Release v0.27.7

Signed-off-by: Alex Vanin <alexey@nspcc.ru>

CHANGELOG.md

@@ -3,6 +3,30 @@ Changelog for NeoFS Node
 
 ## [Unreleased]
 
+## [0.27.7] - 2022-03-30
+
+### Fixed
+- Shard ID is now consistent between restarts (#1204)
+
+### Added
+- More N3 RPC caches in object service (#1278)
+
+## [0.27.6] - 2022-03-28
+
+### Fixed
+- Allow empty passwords in neofs-cli config (#1136)
+- Set correct audit range hash type in neofs-ir (#1180)
+- Read objects directly from blobstor in case of shard inconsistency (#1186)
+- Fix `-w` flag in subnet commands of neofs-adm (#1223)
+- Do not use explicit mutex lock in chain caches (#1236)
+- Force gRPC server stop if it can't shut down gracefully in storage node (#1270)
+- Return non-zero exit code in `acl extended create` command failures and fix
+  help message (#1259)
+
+### Added
+- Interactive storage node configurator in neofs-adm (#1090)
+- Logs in metabase operations (#1188)
+
 ## [0.27.5] - 2022-01-31
 
 ### Fixed
@@ -916,7 +940,9 @@ NeoFS-API v2.0 support and updated brand-new storage node application.
 
 First public review release.
 
-[Unreleased]: https://github.com/nspcc-dev/neofs-node/compare/v0.27.5...master
+[Unreleased]: https://github.com/nspcc-dev/neofs-node/compare/v0.27.7...master
+[0.27.7]: https://github.com/nspcc-dev/neofs-node/compare/v0.27.6...v0.27.7
+[0.27.6]: https://github.com/nspcc-dev/neofs-node/compare/v0.27.5...v0.27.6
 [0.27.5]: https://github.com/nspcc-dev/neofs-node/compare/v0.27.4...v0.27.5
 [0.27.4]: https://github.com/nspcc-dev/neofs-node/compare/v0.27.3...v0.27.4
 [0.27.3]: https://github.com/nspcc-dev/neofs-node/compare/v0.27.2...v0.27.3

cmd/neofs-adm/internal/modules/morph/subnet.go

@@ -770,6 +770,7 @@ var cmdSubnetNode = &cobra.Command{
 	Short: "Manage nodes of the NeoFS subnet.",
 	PreRun: func(cmd *cobra.Command, _ []string) {
 		viperBindFlags(cmd,
+			flagSubnetWallet,
 			flagSubnetNode,
 			flagSubnetNodeSubnet,
 		)
@@ -882,8 +883,10 @@ func init() {
 
 	// subnet node flags
 	nodeFlags := cmdSubnetNode.PersistentFlags()
+	nodeFlags.StringP(flagSubnetWallet, "w", "", "Path to file with wallet")
+	_ = cmdSubnetNode.MarkFlagRequired(flagSubnetWallet)
 	nodeFlags.String(flagSubnetNode, "", "Hex-encoded public key of the node")
-	_ = cmdSubnetAdmin.MarkFlagRequired(flagSubnetNode)
+	_ = cmdSubnetNode.MarkFlagRequired(flagSubnetNode)
 	nodeFlags.String(flagSubnetNodeSubnet, "", "ID of the subnet to manage nodes")
 	_ = cmdSubnetNode.MarkFlagRequired(flagSubnetNodeSubnet)
 

cmd/neofs-adm/internal/modules/root.go

@@ -5,6 +5,7 @@ import (
 
 	"github.com/nspcc-dev/neofs-node/cmd/neofs-adm/internal/modules/config"
 	"github.com/nspcc-dev/neofs-node/cmd/neofs-adm/internal/modules/morph"
+	"github.com/nspcc-dev/neofs-node/cmd/neofs-adm/internal/modules/storagecfg"
 	"github.com/nspcc-dev/neofs-node/misc"
 	"github.com/nspcc-dev/neofs-node/pkg/util/autocomplete"
 	"github.com/spf13/cobra"
@@ -34,6 +35,7 @@ func init() {
 
 	rootCmd.AddCommand(config.RootCmd)
 	rootCmd.AddCommand(morph.RootCmd)
+	rootCmd.AddCommand(storagecfg.RootCmd)
 
 	rootCmd.AddCommand(autocomplete.Command("neofs-adm"))
 }

cmd/neofs-adm/internal/modules/storagecfg/config.go

@@ -0,0 +1,143 @@
+package storagecfg
+
+const configTemplate = `logger:
+  level: info  # logger level: one of "debug", "info" (default), "warn", "error", "dpanic", "panic", "fatal"
+
+node:
+  wallet:
+    path: {{ .Wallet.Path }}  # path to a NEO wallet; ignored if key is presented
+    address: {{ .Wallet.Account }}  # address of a NEO account in the wallet; ignored if key is presented
+    password: {{ .Wallet.Password }}  # password for a NEO account in the wallet; ignored if key is presented
+  addresses:  # list of addresses announced by Storage node in the Network map
+    - {{ .AnnouncedAddress }}
+  attribute_0: UN-LOCODE:{{ .Attribute.Locode }}
+  relay: {{ .Relay }}  # start Storage node in relay mode without bootstrapping into the Network map
+  subnet:
+    exit_zero: false # toggle entrance to zero subnet (overrides corresponding attribute and occurrence in entries)
+    entries: [] # list of IDs of subnets to enter in a text format of NeoFS API protocol (overrides corresponding attributes)
+
+grpc:
+  num: 1  # total number of listener endpoints
+  0:
+    endpoint: {{ .Endpoint }}  # endpoint for gRPC server
+    tls:{{if .TLSCert}}
+      enabled: true  # enable TLS for a gRPC connection (min version is TLS 1.2)
+      certificate: {{ .TLSCert }}  # path to TLS certificate
+      key: {{ .TLSKey }}  # path to TLS key
+    {{- else }}
+      enabled: false # disable TLS for a gRPC connection
+    {{- end}}
+
+control:
+  authorized_keys:  # list of hex-encoded public keys that have rights to use the Control Service
+    {{- range .AuthorizedKeys }}
+    - {{.}}{{end}}
+  grpc:
+    endpoint: {{.ControlEndpoint}}  # endpoint that is listened by the Control Service
+
+morph:
+  dial_timeout: 20s  # timeout for side chain NEO RPC client connection
+  disable_cache: false  # use TTL cache for side chain GET operations
+  rpc_endpoint:  # side chain N3 RPC endpoints
+    {{- range .MorphRPC }}
+    - https://{{.}}{{end}}
+  notification_endpoint:  # side chain N3 RPC notification endpoints
+    {{- range .MorphRPC }}
+    - wss://{{.}}/ws{{end}}
+{{if not .Relay }}
+storage:
+  shard_pool_size: 15  # size of per-shard worker pools used for PUT operations
+  shard_num: 1  # total number of shards
+
+  default: # section with the default shard parameters
+    metabase:
+      perm: 0644  # permissions for metabase files(directories: +x for current user and group)
+
+    blobstor:
+      perm: 0644  # permissions for blobstor files(directories: +x for current user and group)
+      depth: 2  # max depth of object tree storage in FS
+      small_object_size: 102400  # 100KiB, size threshold for "small" objects which are stored in key-value DB, not in FS, bytes
+      compress: true  # turn on/off Zstandard compression (level 3) of stored objects
+      compression_exclude_content_types:
+        - audio/*
+        - video/*
+
+      blobovnicza:
+        size: 1073741824  # approximate size limit of single blobovnicza instance, total size will be: size*width^(depth+1), bytes
+        depth: 1  # max depth of object tree storage in key-value DB
+        width: 4   # max width of object tree storage in key-value DB
+        opened_cache_capacity: 50  # maximum number of opened database files
+
+    gc:
+      remover_batch_size: 200  # number of objects to be removed by the garbage collector
+      remover_sleep_interval: 5m  # frequency of the garbage collector invocation
+
+  shard:
+    0:
+      mode: "read-write"  # mode of the shard, must be one of the: "read-write" (default), "read-only"
+
+      metabase:
+        path: {{ .MetabasePath }}  # path to the metabase
+
+      blobstor:
+        path: {{ .BlobstorPath }}  # path to the blobstor
+{{end}}`
+
+const (
+	neofsMainnetAddress   = "2cafa46838e8b564468ebd868dcafdd99dce6221"
+	balanceMainnetAddress = "dc1ec98d9d0c5f9dfade16144defe08cffc5ca55"
+	neofsTestnetAddress   = "b65d8243ac63983206d17e5221af0653a7266fa1"
+	balanceTestnetAddress = "e0420c216003747626670d1424569c17c79015bf"
+)
+
+var n3config = map[string]struct {
+	MorphRPC        []string
+	RPC             []string
+	NeoFSContract   string
+	BalanceContract string
+}{
+	"testnet": {
+		MorphRPC: []string{
+			"rpc01.morph.testnet.fs.neo.org:51331",
+			"rpc02.morph.testnet.fs.neo.org:51331",
+			"rpc03.morph.testnet.fs.neo.org:51331",
+			"rpc04.morph.testnet.fs.neo.org:51331",
+			"rpc05.morph.testnet.fs.neo.org:51331",
+			"rpc06.morph.testnet.fs.neo.org:51331",
+			"rpc07.morph.testnet.fs.neo.org:51331",
+		},
+		RPC: []string{
+			"rpc01.testnet.n3.nspcc.ru:21331",
+			"rpc02.testnet.n3.nspcc.ru:21331",
+			"rpc03.testnet.n3.nspcc.ru:21331",
+			"rpc04.testnet.n3.nspcc.ru:21331",
+			"rpc05.testnet.n3.nspcc.ru:21331",
+			"rpc06.testnet.n3.nspcc.ru:21331",
+			"rpc07.testnet.n3.nspcc.ru:21331",
+		},
+		NeoFSContract:   neofsTestnetAddress,
+		BalanceContract: balanceTestnetAddress,
+	},
+	"mainnet": {
+		MorphRPC: []string{
+			"rpc1.morph.fs.neo.org:40341",
+			"rpc2.morph.fs.neo.org:40341",
+			"rpc3.morph.fs.neo.org:40341",
+			"rpc4.morph.fs.neo.org:40341",
+			"rpc5.morph.fs.neo.org:40341",
+			"rpc6.morph.fs.neo.org:40341",
+			"rpc7.morph.fs.neo.org:40341",
+		},
+		RPC: []string{
+			"rpc1.n3.nspcc.ru:10331",
+			"rpc2.n3.nspcc.ru:10331",
+			"rpc3.n3.nspcc.ru:10331",
+			"rpc4.n3.nspcc.ru:10331",
+			"rpc5.n3.nspcc.ru:10331",
+			"rpc6.n3.nspcc.ru:10331",
+			"rpc7.n3.nspcc.ru:10331",
+		},
+		NeoFSContract:   neofsMainnetAddress,
+		BalanceContract: balanceMainnetAddress,
+	},
+}

cmd/neofs-adm/internal/modules/storagecfg/root.go

@@ -0,0 +1,413 @@
+package storagecfg
+
+import (
+	"bytes"
+	"context"
+	"encoding/hex"
+	"errors"
+	"fmt"
+	"io/ioutil"
+	"math/big"
+	"math/rand"
+	"net"
+	"os"
+	"path/filepath"
+	"strconv"
+	"strings"
+	"text/template"
+	"time"
+
+	"github.com/chzyer/readline"
+	"github.com/nspcc-dev/neo-go/cli/flags"
+	"github.com/nspcc-dev/neo-go/cli/input"
+	"github.com/nspcc-dev/neo-go/pkg/core/native/nativenames"
+	"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
+	"github.com/nspcc-dev/neo-go/pkg/encoding/address"
+	"github.com/nspcc-dev/neo-go/pkg/encoding/fixedn"
+	"github.com/nspcc-dev/neo-go/pkg/rpc/client"
+	"github.com/nspcc-dev/neo-go/pkg/smartcontract"
+	"github.com/nspcc-dev/neo-go/pkg/smartcontract/trigger"
+	"github.com/nspcc-dev/neo-go/pkg/util"
+	"github.com/nspcc-dev/neo-go/pkg/vm"
+	"github.com/nspcc-dev/neo-go/pkg/wallet"
+	"github.com/spf13/cobra"
+)
+
+const (
+	walletFlag  = "wallet"
+	accountFlag = "account"
+)
+
+const (
+	defaultControlEndpoint = "127.0.0.1:8090"
+	defaultDataEndpoint    = "127.0.0.1"
+)
+
+// RootCmd is a root command of config section.
+var RootCmd = &cobra.Command{
+	Use:   "storage-config [-w wallet] [-a acccount] [<path-to-config>]",
+	Short: "Section for storage node configuration commands.",
+	Run:   storageConfig,
+}
+
+func init() {
+	fs := RootCmd.Flags()
+
+	fs.StringP(walletFlag, "w", "", "path to wallet")
+	fs.StringP(accountFlag, "a", "", "wallet account")
+}
+
+type config struct {
+	AnnouncedAddress string
+	AuthorizedKeys   []string
+	ControlEndpoint  string
+	Endpoint         string
+	TLSCert          string
+	TLSKey           string
+	MorphRPC         []string
+	Attribute        struct {
+		Locode string
+	}
+	Wallet struct {
+		Path     string
+		Account  string
+		Password string
+	}
+	Relay        bool
+	BlobstorPath string
+	MetabasePath string
+}
+
+func storageConfig(cmd *cobra.Command, args []string) {
+	var outPath string
+	if len(args) != 0 {
+		outPath = args[0]
+	} else {
+		outPath = getPath("File to write config at [./config.yml]: ")
+		if outPath == "" {
+			outPath = "./config.yml"
+		}
+	}
+
+	historyPath := filepath.Join(os.TempDir(), "neofs-adm.history")
+	readline.SetHistoryPath(historyPath)
+
+	var c config
+
+	c.Wallet.Path, _ = cmd.Flags().GetString(walletFlag)
+	if c.Wallet.Path == "" {
+		c.Wallet.Path = getPath("Path to the storage node wallet: ")
+	}
+
+	w, err := wallet.NewWalletFromFile(c.Wallet.Path)
+	fatalOnErr(err)
+
+	c.Wallet.Account, _ = cmd.Flags().GetString(accountFlag)
+	if c.Wallet.Account == "" {
+		addr := address.Uint160ToString(w.GetChangeAddress())
+		c.Wallet.Account = getWalletAccount(w, fmt.Sprintf("Wallet account [%s]: ", addr))
+		if c.Wallet.Account == "" {
+			c.Wallet.Account = addr
+		}
+	}
+
+	accH, err := flags.ParseAddress(c.Wallet.Account)
+	fatalOnErr(err)
+
+	acc := w.GetAccount(accH)
+	if acc == nil {
+		fatalOnErr(errors.New("can't find account in wallet"))
+	}
+
+	c.Wallet.Password, err = input.ReadPassword(fmt.Sprintf("Account password for %s: ", c.Wallet.Account))
+	fatalOnErr(err)
+
+	err = acc.Decrypt(c.Wallet.Password, keys.NEP2ScryptParams())
+	fatalOnErr(err)
+
+	c.AuthorizedKeys = append(c.AuthorizedKeys, hex.EncodeToString(acc.PrivateKey().PublicKey().Bytes()))
+
+	var network string
+	for {
+		network = getString("Choose network [mainnet]/testnet: ")
+		switch network {
+		case "":
+			network = "mainnet"
+		case "testnet", "mainnet":
+		default:
+			cmd.Println(`Network must be either "mainnet" or "testnet"`)
+			continue
+		}
+		break
+	}
+
+	c.MorphRPC = n3config[network].MorphRPC
+
+	depositGas(cmd, acc, network)
+
+	c.Attribute.Locode = getString("UN-LOCODE attribute in [XX YYY] format: ")
+	var addr, port string
+	for {
+		c.AnnouncedAddress = getString("Publicly announced address: ")
+		addr, port, err = net.SplitHostPort(c.AnnouncedAddress)
+		if err != nil {
+			cmd.Println("Address must have form A.B.C.D:PORT")
+			continue
+		}
+
+		ip, err := net.ResolveIPAddr("ip", addr)
+		if err != nil {
+			cmd.Printf("Can't resolve IP address %s: %v\n", addr, err)
+			continue
+		}
+
+		if !ip.IP.IsGlobalUnicast() {
+			cmd.Println("IP must be global unicast.")
+			continue
+		}
+		cmd.Printf("Resolved IP address: %s\n", ip.String())
+
+		_, err = strconv.ParseUint(port, 10, 16)
+		if err != nil {
+			cmd.Println("Port must be an integer.")
+			continue
+		}
+
+		break
+	}
+
+	defaultAddr := net.JoinHostPort(defaultDataEndpoint, port)
+	c.Endpoint = getString(fmt.Sprintf("Listening address [%s]: ", defaultAddr))
+	if c.Endpoint == "" {
+		c.Endpoint = defaultAddr
+	}
+
+	c.ControlEndpoint = getString(fmt.Sprintf("Listening address (control endpoint) [%s]: ", defaultControlEndpoint))
+	if c.ControlEndpoint == "" {
+		c.ControlEndpoint = defaultControlEndpoint
+	}
+
+	c.TLSCert = getPath("TLS Certificate (optional): ")
+	if c.TLSCert != "" {
+		c.TLSKey = getPath("TLS Key: ")
+	}
+
+	c.Relay = getConfirmation(false, "Use node as a relay? yes/[no]: ")
+	if !c.Relay {
+		p := getPath("Path to the storage directory (all available storage will be used): ")
+		c.BlobstorPath = filepath.Join(p, "blob")
+		c.MetabasePath = filepath.Join(p, "meta")
+	}
+
+	out := applyTemplate(c)
+	fatalOnErr(ioutil.WriteFile(outPath, out, 0644))
+
+	cmd.Println("Node is ready for work! Run `neofs-node -config " + outPath + "`")
+}
+
+func getWalletAccount(w *wallet.Wallet, prompt string) string {
+	addrs := make([]readline.PrefixCompleterInterface, len(w.Accounts))
+	for i := range w.Accounts {
+		addrs[i] = readline.PcItem(w.Accounts[i].Address)
+	}
+
+	readline.SetAutoComplete(readline.NewPrefixCompleter(addrs...))
+	defer readline.SetAutoComplete(nil)
+
+	s, err := readline.Line(prompt)
+	fatalOnErr(err)
+	return strings.TrimSpace(s) // autocompleter can return a string with a trailing space
+}
+
+func getString(prompt string) string {
+	s, err := readline.Line(prompt)
+	fatalOnErr(err)
+	if s != "" {
+		_ = readline.AddHistory(s)
+	}
+	return s
+}
+
+type filenameCompleter struct{}
+
+func (filenameCompleter) Do(line []rune, pos int) (newLine [][]rune, length int) {
+	prefix := string(line[:pos])
+	dir := filepath.Dir(prefix)
+	de, err := os.ReadDir(dir)
+	if err != nil {
+		return nil, 0
+	}
+
+	for i := range de {
+		name := filepath.Join(dir, de[i].Name())
+		if strings.HasPrefix(name, prefix) {
+			tail := []rune(strings.TrimPrefix(name, prefix))
+			if de[i].IsDir() {
+				tail = append(tail, filepath.Separator)
+			}
+			newLine = append(newLine, tail)
+		}
+	}
+	if pos != 0 {
+		return newLine, pos - len([]rune(dir))
+	}
+	return newLine, 0
+}
+
+func getPath(prompt string) string {
+	readline.SetAutoComplete(filenameCompleter{})
+	defer readline.SetAutoComplete(nil)
+
+	p, err := readline.Line(prompt)
+	fatalOnErr(err)
+
+	if p == "" {
+		return p
+	}
+
+	_ = readline.AddHistory(p)
+
+	abs, err := filepath.Abs(p)
+	if err != nil {
+		fatalOnErr(fmt.Errorf("can't create an absolute path: %w", err))
+	}
+
+	return abs
+}
+
+func getConfirmation(def bool, prompt string) bool {
+	for {
+		s, err := readline.Line(prompt)
+		fatalOnErr(err)
+
+		switch strings.ToLower(s) {
+		case "y", "yes":
+			return true
+		case "n", "no":
+			return false
+		default:
+			if len(s) == 0 {
+				return def
+			}
+		}
+	}
+}
+
+func applyTemplate(c config) []byte {
+	tmpl, err := template.New("config").Parse(configTemplate)
+	fatalOnErr(err)
+
+	b := bytes.NewBuffer(nil)
+	fatalOnErr(tmpl.Execute(b, c))
+
+	return b.Bytes()
+}
+
+func fatalOnErr(err error) {
+	if err != nil {
+		_, _ = fmt.Fprintf(os.Stderr, "Error: %v\n", err)
+		os.Exit(1)
+	}
+}
+
+func depositGas(cmd *cobra.Command, acc *wallet.Account, network string) {
+	sideClient := initClient(n3config[network].MorphRPC)
+	balanceHash, _ := util.Uint160DecodeStringLE(n3config[network].BalanceContract)
+
+	res, err := sideClient.InvokeFunction(balanceHash, "balanceOf", []smartcontract.Parameter{{
+		Type:  smartcontract.Hash160Type,
+		Value: acc.Contract.ScriptHash(),
+	}}, nil)
+	fatalOnErr(err)
+
+	if res.State != vm.HaltState.String() {
+		fatalOnErr(fmt.Errorf("invalid response from balance contract: %s", res.FaultException))
+	}
+
+	var balance *big.Int
+	if len(res.Stack) != 0 {
+		balance, _ = res.Stack[0].TryInteger()
+	}
+
+	if balance == nil {
+		fatalOnErr(errors.New("invalid response from balance contract"))
+	}
+
+	ok := getConfirmation(false, fmt.Sprintf("Current NeoFS balance is %s, make a deposit? y/[n]: ",
+		fixedn.ToString(balance, 12)))
+	if !ok {
+		return
+	}
+
+	amountStr := getString("Enter amount in GAS: ")
+	amount, err := fixedn.FromString(amountStr, 8)
+	if err != nil {
+		fatalOnErr(fmt.Errorf("invalid amount: %w", err))
+	}
+
+	mainClient := initClient(n3config[network].RPC)
+	neofsHash, _ := util.Uint160DecodeStringLE(n3config[network].NeoFSContract)
+
+	gasHash, err := mainClient.GetNativeContractHash(nativenames.Gas)
+	fatalOnErr(err)
+
+	tx, err := mainClient.CreateNEP17TransferTx(acc, neofsHash, gasHash, amount.Int64(), 0, nil, nil)
+	fatalOnErr(err)
+
+	txHash, err := mainClient.SignAndPushTx(tx, acc, nil)
+	fatalOnErr(err)
+
+	cmd.Print("Waiting for transactions to persist.")
+	tick := time.NewTicker(time.Second / 2)
+	defer tick.Stop()
+
+	timer := time.NewTimer(time.Second * 20)
+	defer timer.Stop()
+
+	at := trigger.Application
+
+loop:
+	for {
+		select {
+		case <-tick.C:
+			_, err := mainClient.GetApplicationLog(txHash, &at)
+			if err == nil {
+				cmd.Print("\n")
+				break loop
+			}
+			cmd.Print(".")
+		case <-timer.C:
+			cmd.Printf("\nTimeout while waiting for transaction to persist.\n")
+			if getConfirmation(false, "Continue configuration? yes/[no]: ") {
+				return
+			}
+			os.Exit(1)
+		}
+	}
+}
+
+func initClient(rpc []string) *client.Client {
+	var c *client.Client
+	var err error
+
+	shuffled := make([]string, len(rpc))
+	copy(shuffled, rpc)
+	rand.Shuffle(len(shuffled), func(i, j int) { shuffled[i], shuffled[j] = shuffled[j], shuffled[i] })
+
+	for _, endpoint := range shuffled {
+		c, err = client.New(context.Background(), "https://"+endpoint, client.Options{
+			DialTimeout:    time.Second * 2,
+			RequestTimeout: time.Second * 5,
+		})
+		if err != nil {
+			continue
+		}
+		if err = c.Init(); err != nil {
+			continue
+		}
+		return c
+	}
+
+	fatalOnErr(fmt.Errorf("can't create N3 client: %w", err))
+	panic("unreachable")
+}

cmd/neofs-cli/modules/acl/extended/create.go

@@ -7,6 +7,7 @@ import (
 	"errors"
 	"fmt"
 	"io/ioutil"
+	"os"
 	"strings"
 
 	"github.com/flynn-archive/go-shlex"
@@ -30,7 +31,10 @@ Operation is an object service verb: 'get', 'head', 'put', 'search', 'delete', '
 Filter consists of <typ>:<key><match><value>
   Typ is 'obj' for object applied filter or 'req' for request applied filter. 
   Key is a valid unicode string corresponding to object or request header key. 
-  Match is '==' for matching and '!=' for non-matching filter.
+    Well-known system object headers start with '$Object:' prefix.
+    User defined headers start without prefix.
+    Read more about filter keys at github.com/nspcc-dev/neofs-api/blob/master/proto-docs/acl.md#message-eaclrecordfilter
+  Match is '=' for matching and '!=' for non-matching filter.
   Value is a valid unicode string corresponding to object or request header value.
 
 Target is 
@@ -64,20 +68,20 @@ func createEACL(cmd *cobra.Command, _ []string) {
 
 	containerID := cid.New()
 	if err := containerID.Parse(cidArg); err != nil {
-		cmd.Printf("invalid container ID: %v", err)
-		return
+		cmd.PrintErrf("invalid container ID: %v\n", err)
+		os.Exit(1)
 	}
 
 	rulesFile, err := getRulesFromFile(fileArg)
 	if err != nil {
-		cmd.Printf("can't read rules from file : %v", err)
-		return
+		cmd.PrintErrf("can't read rules from file: %v\n", err)
+		os.Exit(1)
 	}
 
 	rules = append(rules, rulesFile...)
 	if len(rules) == 0 {
-		cmd.Println("no extended ACL rules has been provided")
-		return
+		cmd.PrintErrln("no extended ACL rules has been provided")
+		os.Exit(1)
 	}
 
 	tb := eacl.NewTable()
@@ -85,14 +89,14 @@ func createEACL(cmd *cobra.Command, _ []string) {
 	for _, ruleStr := range rules {
 		r, err := shlex.Split(ruleStr)
 		if err != nil {
-			cmd.Printf("can't parse rule '%s': %v)", ruleStr, err)
-			return
+			cmd.PrintErrf("can't parse rule '%s': %v\n", ruleStr, err)
+			os.Exit(1)
 		}
 
 		err = parseTable(tb, r)
 		if err != nil {
-			cmd.Printf("can't create extended ACL record from rule '%s': %v", ruleStr, err)
-			return
+			cmd.PrintErrf("can't create extended ACL record from rule '%s': %v\n", ruleStr, err)
+			os.Exit(1)
 		}
 	}
 
@@ -100,15 +104,15 @@ func createEACL(cmd *cobra.Command, _ []string) {
 
 	data, err := tb.MarshalJSON()
 	if err != nil {
-		cmd.Println(err)
-		return
+		cmd.PrintErrln(err)
+		os.Exit(1)
 	}
 
 	buf := new(bytes.Buffer)
 	err = json.Indent(buf, data, "", "  ")
 	if err != nil {
-		cmd.Println(err)
-		return
+		cmd.PrintErrln(err)
+		os.Exit(1)
 	}
 
 	if len(outArg) == 0 {
@@ -118,7 +122,8 @@ func createEACL(cmd *cobra.Command, _ []string) {
 
 	err = ioutil.WriteFile(outArg, buf.Bytes(), 0644)
 	if err != nil {
-		cmd.Println(err)
+		cmd.PrintErrln(err)
+		os.Exit(1)
 	}
 }
 

cmd/neofs-cli/modules/root.go

@@ -215,9 +215,11 @@ func getKeyNoGenerate() (*ecdsa.PrivateKey, error) {
 }
 
 func getPassword() (string, error) {
-	if pass := viper.GetString(password); pass != "" {
-		return pass, nil
+	// this check allows empty passwords
+	if viper.IsSet(password) {
+		return viper.GetString(password), nil
 	}
+
 	return input.ReadPassword("Enter password > ")
 }
 

cmd/neofs-node/cache.go

@@ -1,7 +1,6 @@
 package main
 
 import (
-	"sync"
 	"time"
 
 	lru "github.com/hashicorp/golang-lru"
@@ -25,8 +24,6 @@ type valueWithTime struct {
 
 // entity that provides TTL cache interface.
 type ttlNetCache struct {
-	mtx sync.Mutex
-
 	ttl time.Duration
 
 	sz int
@@ -55,9 +52,6 @@ func newNetworkTTLCache(sz int, ttl time.Duration, netRdr netValueReader) *ttlNe
 //
 // returned value should not be modified.
 func (c *ttlNetCache) get(key interface{}) (interface{}, error) {
-	c.mtx.Lock()
-	defer c.mtx.Unlock()
-
 	val, ok := c.cache.Peek(key)
 	if ok {
 		valWithTime := val.(*valueWithTime)
@@ -83,29 +77,21 @@ func (c *ttlNetCache) get(key interface{}) (interface{}, error) {
 }
 
 func (c *ttlNetCache) remove(key interface{}) {
-	c.mtx.Lock()
-	defer c.mtx.Unlock()
-
 	c.cache.Remove(key)
 }
 
 func (c *ttlNetCache) keys() []interface{} {
-	c.mtx.Lock()
-	defer c.mtx.Unlock()
-
 	return c.cache.Keys()
 }
 
 // entity that provides LRU cache interface.
 type lruNetCache struct {
-	mtx sync.Mutex
-
 	cache *lru.Cache
 
 	netRdr netValueReader
 }
 
-// complicates netValueReader with LRU caching mechanism.
+// newNetworkLRUCache returns wrapper over netValueReader with LRU cache.
 func newNetworkLRUCache(sz int, netRdr netValueReader) *lruNetCache {
 	cache, err := lru.New(sz)
 	fatalOnErr(err)
@@ -122,9 +108,6 @@ func newNetworkLRUCache(sz int, netRdr netValueReader) *lruNetCache {
 //
 // returned value should not be modified.
 func (c *lruNetCache) get(key interface{}) (interface{}, error) {
-	c.mtx.Lock()
-	defer c.mtx.Unlock()
-
 	val, ok := c.cache.Get(key)
 	if ok {
 		return val, nil
@@ -336,3 +319,39 @@ func (s *ttlContainerLister) InvalidateContainerListByCID(id *cid.ID) {
 		}
 	}
 }
+
+type cachedIRFetcher ttlNetCache
+
+func newCachedIRFetcher(f interface{ InnerRingKeys() ([][]byte, error) }) *cachedIRFetcher {
+	const (
+		irFetcherCacheSize = 1 // we intend to store only one value
+
+		// Without the cache in the testnet we can see several hundred simultaneous
+		// requests (neofs-node #1278), so limiting the request rate solves the issue.
+		//
+		// Exact request rate doesn't really matter because Inner Ring list update
+		// happens extremely rare, but there is no side chain events for that as
+		// for now (neofs-contract v0.15.0 notary disabled env) to monitor it.
+		irFetcherCacheTTL = 30 * time.Second
+	)
+
+	irFetcherCache := newNetworkTTLCache(irFetcherCacheSize, irFetcherCacheTTL,
+		func(key interface{}) (interface{}, error) {
+			return f.InnerRingKeys()
+		},
+	)
+
+	return (*cachedIRFetcher)(irFetcherCache)
+}
+
+// InnerRingKeys returns cached list of Inner Ring keys. If keys are missing in
+// the cache or expired, then it returns keys from side chain and updates
+// the cache.
+func (f *cachedIRFetcher) InnerRingKeys() ([][]byte, error) {
+	val, err := (*ttlNetCache)(f).get("")
+	if err != nil {
+		return nil, err
+	}
+
+	return val.([][]byte), nil
+}

cmd/neofs-node/config.go

@@ -116,6 +116,8 @@ type cfg struct {
 	clientCache *cache.ClientCache
 
 	persistate *state.PersistentStorage
+
+	netMapSource netmapCore.Source
 }
 
 type cfgGRPC struct {
@@ -175,8 +177,6 @@ type cfgNodeInfo struct {
 }
 
 type cfgObject struct {
-	netMapSource netmapCore.Source
-
 	cnrSource container.Source
 
 	eaclSource eacl.Source

cmd/neofs-node/container.go

@@ -105,7 +105,7 @@ func initContainerService(c *cfg) {
 
 	loadPlacementBuilder := &loadPlacementBuilder{
 		log:    c.log,
-		nmSrc:  c.cfgNetmap.wrapper,
+		nmSrc:  c.netMapSource,
 		cnrSrc: cnrSrc,
 	}
 

cmd/neofs-node/control.go

@@ -31,7 +31,7 @@ func initControlService(c *cfg) {
 		controlSvc.WithKey(&c.key.PrivateKey),
 		controlSvc.WithAuthorizedKeys(rawPubs),
 		controlSvc.WithHealthChecker(c),
-		controlSvc.WithNetMapSource(c.cfgNetmap.wrapper),
+		controlSvc.WithNetMapSource(c.netMapSource),
 		controlSvc.WithNodeState(c),
 		controlSvc.WithDeletedObjectHandler(func(addrList []*object.Address) error {
 			prm := new(engine.DeletePrm).WithAddresses(addrList...)

cmd/neofs-node/grpc.go

@@ -4,6 +4,7 @@ import (
 	"crypto/tls"
 	"fmt"
 	"net"
+	"time"
 
 	grpcconfig "github.com/nspcc-dev/neofs-node/cmd/neofs-node/config/grpc"
 	"github.com/nspcc-dev/neofs-node/pkg/util/logger"
@@ -95,7 +96,19 @@ func stopGRPC(name string, s *grpc.Server, l *logger.Logger) {
 
 	l.Info("stopping gRPC server...")
 
+	// GracefulStop() may freeze forever, see #1270
+	done := make(chan struct{})
+	go func() {
 		s.GracefulStop()
+		close(done)
+	}()
+
+	select {
+	case <-done:
+	case <-time.After(1 * time.Minute):
+		l.Info("gRPC cannot shutdown gracefully, forcing stop")
+		s.Stop()
+	}
 
 	l.Info("gRPC server stopped successfully")
 }

cmd/neofs-node/morph.go

@@ -99,7 +99,7 @@ func initMorphComponents(c *cfg) {
 		netmapSource = newCachedNetmapStorage(c.cfgNetmap.state, wrap)
 	}
 
-	c.cfgObject.netMapSource = netmapSource
+	c.netMapSource = netmapSource
 	c.cfgNetmap.wrapper = wrap
 }
 

cmd/neofs-node/object.go

@@ -185,7 +185,7 @@ func initObjectService(c *cfg) {
 
 	clientConstructor := &reputationClientConstructor{
 		log:              c.log,
-		nmSrc:            c.cfgObject.netMapSource,
+		nmSrc:            c.netMapSource,
 		netState:         c.cfgNetmap.state,
 		trustStorage:     c.cfgReputation.localTrustStorage,
 		basicConstructor: c.clientCache,
@@ -228,7 +228,7 @@ func initObjectService(c *cfg) {
 		policer.WithLocalStorage(ls),
 		policer.WithContainerSource(c.cfgObject.cnrSource),
 		policer.WithPlacementBuilder(
-			placement.NewNetworkMapSourceBuilder(c.cfgObject.netMapSource),
+			placement.NewNetworkMapSourceBuilder(c.netMapSource),
 		),
 		policer.WithRemoteHeader(
 			headsvc.NewRemoteHeader(keyStorage, clientConstructor),
@@ -251,7 +251,7 @@ func initObjectService(c *cfg) {
 		policer.WithNodeLoader(c),
 	)
 
-	traverseGen := util.NewTraverserGenerator(c.cfgObject.netMapSource, c.cfgObject.cnrSource, c)
+	traverseGen := util.NewTraverserGenerator(c.netMapSource, c.cfgObject.cnrSource, c)
 
 	c.workers = append(c.workers, pol)
 
@@ -261,7 +261,7 @@ func initObjectService(c *cfg) {
 		putsvc.WithMaxSizeSource(c),
 		putsvc.WithLocalStorage(ls),
 		putsvc.WithContainerSource(c.cfgObject.cnrSource),
-		putsvc.WithNetworkMapSource(c.cfgObject.netMapSource),
+		putsvc.WithNetworkMapSource(c.netMapSource),
 		putsvc.WithNetmapKeys(c),
 		putsvc.WithFormatValidatorOpts(
 			objectCore.WithDeleteHandler(objInhumer),
@@ -285,7 +285,7 @@ func initObjectService(c *cfg) {
 				placement.WithoutSuccessTracking(),
 			),
 		),
-		searchsvc.WithNetMapSource(c.cfgNetmap.wrapper),
+		searchsvc.WithNetMapSource(c.netMapSource),
 		searchsvc.WithKeyStorage(keyStorage),
 	)
 
@@ -303,7 +303,7 @@ func initObjectService(c *cfg) {
 				placement.SuccessAfter(1),
 			),
 		),
-		getsvc.WithNetMapSource(c.cfgNetmap.wrapper),
+		getsvc.WithNetMapSource(c.netMapSource),
 		getsvc.WithKeyStorage(keyStorage),
 	)
 
@@ -348,8 +348,8 @@ func initObjectService(c *cfg) {
 		acl.WithSenderClassifier(
 			acl.NewSenderClassifier(
 				c.log,
-				irFetcher,
-				c.cfgNetmap.wrapper,
+				newCachedIRFetcher(irFetcher),
+				c.netMapSource,
 			),
 		),
 		acl.WithContainerSource(

cmd/neofs-node/reputation.go

@@ -37,8 +37,7 @@ func initReputationService(c *cfg) {
 
 	localKey := c.key.PublicKey().Bytes()
 
-	// consider sharing this between application components
-	nmSrc := newCachedNetmapStorage(c.cfgNetmap.state, c.cfgNetmap.wrapper)
+	nmSrc := c.netMapSource
 
 	// storing calculated trusts as a daughter
 	c.cfgReputation.localTrustStorage = truststorage.New(

config/testnet/docker-compose.yml

@@ -3,7 +3,7 @@
 version: "2.4"
 services:
   storage01:
-    image: nspccdev/neofs-storage-testnet:0.27.5
+    image: nspccdev/neofs-storage-testnet:0.27.7
     container_name: neofs-testnet
     env_file: node_config.env
     network_mode: host

go.mod

@@ -3,6 +3,7 @@ module github.com/nspcc-dev/neofs-node
 go 1.16
 
 require (
+	github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e
 	github.com/flynn-archive/go-shlex v0.0.0-20150515145356-3f9db97f8568
 	github.com/google/go-github/v39 v39.2.0
 	github.com/google/uuid v1.2.0

go.sum

@@ -90,8 +90,11 @@ github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghf
 github.com/cespare/xxhash/v2 v2.1.0/go.mod h1:dgIUBU3pDso/gPgZ1osOZ0iQf77oPR28Tjxl5dIMyVM=
 github.com/cespare/xxhash/v2 v2.1.1 h1:6MnRN8NT7+YBpUIWxHtefFZOKTAPgGjpQSxqLNn0+qY=
 github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
+github.com/chzyer/logex v1.1.10 h1:Swpa1K6QvQznwJRcfTfQJmTE72DqScAa40E+fbHEXEE=
 github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
+github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e h1:fY5BOSpyZCqRo5OhCuC+XN+r/bBCmeuuJtjz+bCNIf8=
 github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
+github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1 h1:q763qf9huN11kDQavWsoZXJNW3xEE4JJyHa5Q25/sd8=
 github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=

pkg/innerring/internal/client/client.go

@@ -238,6 +238,7 @@ func (x Client) HashPayloadRange(prm HashPayloadRangePrm) (res HashPayloadRangeR
 
 	cliPrm.WithAddress(prm.objAddr)
 	cliPrm.WithRangeList(prm.rng)
+	cliPrm.TZ()
 
 	cliRes, err := x.c.HashObjectPayloadRanges(prm.ctx, &cliPrm,
 		client.WithKey(x.key),

pkg/local_object_storage/blobstor/blobovnicza.go

@@ -325,12 +325,16 @@ func (b *blobovniczas) getRange(prm *GetRangeSmallPrm) (res *GetRangeSmallRes, e
 
 		res, err = b.getRangeFromLevel(prm, p, !ok)
 		if err != nil {
-			if !errors.Is(err, object.ErrNotFound) {
+			outOfBounds := errors.Is(err, object.ErrRangeOutOfBounds)
+			if !errors.Is(err, object.ErrNotFound) && !outOfBounds {
 				b.log.Debug("could not get object from level",
 					zap.String("level", p),
 					zap.String("error", err.Error()),
 				)
 			}
+			if outOfBounds {
+				return true, err
+			}
 		}
 
 		activeCache[dirPath] = struct{}{}

pkg/local_object_storage/blobstor/get_range_big.go

@@ -1,9 +1,11 @@
 package blobstor
 
 import (
+	"errors"
 	"fmt"
 
 	"github.com/nspcc-dev/neofs-node/pkg/core/object"
+	"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/blobstor/fstree"
 )
 
 // GetRangeBigPrm groups the parameters of GetRangeBig operation.
@@ -27,6 +29,10 @@ func (b *BlobStor) GetRangeBig(prm *GetRangeBigPrm) (*GetRangeBigRes, error) {
 	// get compressed object data
 	data, err := b.fsTree.Get(prm.addr)
 	if err != nil {
+		if errors.Is(err, fstree.ErrFileNotFound) {
+			return nil, object.ErrNotFound
+		}
+
 		return nil, fmt.Errorf("could not read object from fs tree: %w", err)
 	}
 

pkg/local_object_storage/engine/control_test.go

@@ -3,8 +3,10 @@ package engine
 import (
 	"errors"
 	"os"
+	"path/filepath"
 	"testing"
 
+	"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/shard"
 	cidtest "github.com/nspcc-dev/neofs-sdk-go/container/id/test"
 	"github.com/stretchr/testify/require"
 )
@@ -48,3 +50,38 @@ func TestExecBlocks(t *testing.T) {
 	// try to resume
 	require.Error(t, e.ResumeExecution())
 }
+
+func TestPersistentShardID(t *testing.T) {
+	dir, err := os.MkdirTemp("", "*")
+	require.NoError(t, err)
+
+	e, _, id := newEngineWithErrorThreshold(t, dir, 1)
+
+	checkShardState(t, e, id[0], shard.ModeReadWrite)
+	require.NoError(t, e.Close())
+
+	e, _, newID := newEngineWithErrorThreshold(t, dir, 1)
+	require.Equal(t, id, newID)
+	require.NoError(t, e.Close())
+
+	p1 := e.shards[id[0].String()].DumpInfo().MetaBaseInfo.Path
+	p2 := e.shards[id[1].String()].DumpInfo().MetaBaseInfo.Path
+	tmp := filepath.Join(dir, "tmp")
+	require.NoError(t, os.Rename(p1, tmp))
+	require.NoError(t, os.Rename(p2, p1))
+	require.NoError(t, os.Rename(tmp, p2))
+
+	e, _, newID = newEngineWithErrorThreshold(t, dir, 1)
+	require.Equal(t, id[1], newID[0])
+	require.Equal(t, id[0], newID[1])
+	require.NoError(t, e.Close())
+
+}
+
+func checkShardState(t *testing.T, e *StorageEngine, id *shard.ID, mode shard.Mode) {
+	e.mtx.RLock()
+	sh := e.shards[id.String()]
+	e.mtx.RUnlock()
+
+	require.Equal(t, mode, sh.GetMode())
+}

pkg/local_object_storage/engine/error_test.go

@@ -0,0 +1,110 @@
+package engine
+
+import (
+	"errors"
+	"fmt"
+	"os"
+	"path/filepath"
+	"strconv"
+	"testing"
+
+	"github.com/nspcc-dev/neofs-node/pkg/core/object"
+	"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/blobstor"
+	meta "github.com/nspcc-dev/neofs-node/pkg/local_object_storage/metabase"
+	"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/shard"
+	cidtest "github.com/nspcc-dev/neofs-sdk-go/container/id/test"
+	"github.com/stretchr/testify/require"
+	"go.uber.org/zap/zaptest"
+)
+
+const errSmallSize = 256
+
+func newEngineWithErrorThreshold(t *testing.T, dir string, errThreshold uint32) (*StorageEngine, string, [2]*shard.ID) {
+	if dir == "" {
+		var err error
+
+		dir, err = os.MkdirTemp("", "*")
+		require.NoError(t, err)
+		t.Cleanup(func() { _ = os.RemoveAll(dir) })
+	}
+
+	e := New(
+		WithLogger(zaptest.NewLogger(t)),
+		WithShardPoolSize(1))
+
+	var ids [2]*shard.ID
+	var err error
+
+	for i := range ids {
+		ids[i], err = e.AddShard(
+			shard.WithLogger(zaptest.NewLogger(t)),
+			shard.WithBlobStorOptions(
+				blobstor.WithRootPath(filepath.Join(dir, strconv.Itoa(i))),
+				blobstor.WithShallowDepth(1),
+				blobstor.WithBlobovniczaShallowWidth(1),
+				blobstor.WithBlobovniczaShallowDepth(1),
+				blobstor.WithSmallSizeLimit(errSmallSize),
+				blobstor.WithRootPerm(0700)),
+			shard.WithMetaBaseOptions(
+				meta.WithPath(filepath.Join(dir, fmt.Sprintf("%d.metabase", i))),
+				meta.WithPermissions(0700)))
+		require.NoError(t, err)
+	}
+	require.NoError(t, e.Open())
+	require.NoError(t, e.Init())
+
+	return e, dir, ids
+}
+
+// Issue #1186.
+func TestBlobstorFailback(t *testing.T) {
+	dir, err := os.MkdirTemp("", "*")
+	require.NoError(t, err)
+	t.Cleanup(func() { require.NoError(t, os.RemoveAll(dir)) })
+
+	e, _, id := newEngineWithErrorThreshold(t, dir, 1)
+
+	objs := make([]*object.Object, 0, 2)
+	for _, size := range []int{15, errSmallSize + 1} {
+		obj := generateRawObjectWithCID(t, cidtest.ID())
+		obj.SetPayload(make([]byte, size))
+
+		prm := new(shard.PutPrm).WithObject(obj.Object())
+		e.mtx.RLock()
+		_, err = e.shards[id[0].String()].Put(prm)
+		e.mtx.RUnlock()
+		require.NoError(t, err)
+		objs = append(objs, obj.Object())
+	}
+
+	for i := range objs {
+		_, err = e.Get(&GetPrm{addr: objs[i].Address()})
+		require.NoError(t, err)
+		_, err = e.GetRange(&RngPrm{addr: objs[i].Address()})
+		require.NoError(t, err)
+	}
+
+	require.NoError(t, e.Close())
+
+	p1 := e.shards[id[0].String()].DumpInfo().BlobStorInfo.RootPath
+	p2 := e.shards[id[1].String()].DumpInfo().BlobStorInfo.RootPath
+	tmp := filepath.Join(dir, "tmp")
+	require.NoError(t, os.Rename(p1, tmp))
+	require.NoError(t, os.Rename(p2, p1))
+	require.NoError(t, os.Rename(tmp, p2))
+
+	e, _, id = newEngineWithErrorThreshold(t, dir, 1)
+
+	for i := range objs {
+		getRes, err := e.Get(&GetPrm{addr: objs[i].Address()})
+		require.NoError(t, err)
+		require.Equal(t, objs[i], getRes.Object())
+
+		rngRes, err := e.GetRange(&RngPrm{addr: objs[i].Address(), off: 1, ln: 10})
+		require.NoError(t, err)
+		require.Equal(t, objs[i].Payload()[1:11], rngRes.Object().Payload())
+
+		_, err = e.GetRange(&RngPrm{addr: objs[i].Address(), off: errSmallSize + 10, ln: 1})
+		require.True(t, errors.Is(err, object.ErrRangeOutOfBounds), "got: %v", err)
+	}
+}

pkg/local_object_storage/engine/get.go

@@ -64,6 +64,8 @@ func (e *StorageEngine) get(prm *GetPrm) (*GetRes, error) {
 
 		outSI    *objectSDK.SplitInfo
 		outError = object.ErrNotFound
+
+		shardWithMeta hashedShard
 	)
 
 	shPrm := new(shard.GetPrm).
@@ -72,6 +74,9 @@ func (e *StorageEngine) get(prm *GetPrm) (*GetRes, error) {
 	e.iterateOverSortedShards(prm.addr, func(_ int, sh *shard.Shard) (stop bool) {
 		res, err := sh.Get(shPrm)
 		if err != nil {
+			if res.HasMeta() {
+				shardWithMeta = hashedShard{sh: sh}
+			}
 			switch {
 			case errors.Is(err, object.ErrNotFound):
 				return false // ignore, go to next shard
@@ -116,9 +121,25 @@ func (e *StorageEngine) get(prm *GetPrm) (*GetRes, error) {
 	}
 
 	if obj == nil {
+		if shardWithMeta.sh == nil || !errors.Is(outError, object.ErrNotFound) {
 			return nil, outError
 		}
 
+		// If the object is not found but is present in metabase,
+		// try to fetch it from blobstor directly. If it is found in any
+		// blobstor, increase the error counter for the shard which contains the meta.
+		shPrm = shPrm.WithIgnoreMeta(true)
+
+		e.iterateOverSortedShards(prm.addr, func(_ int, sh *shard.Shard) (stop bool) {
+			res, err := sh.Get(shPrm)
+			obj = res.Object()
+			return err == nil
+		})
+		if obj == nil {
+			return nil, outError
+		}
+	}
+
 	return &GetRes{
 		obj: obj,
 	}, nil

pkg/local_object_storage/engine/range.go

@@ -82,6 +82,8 @@ func (e *StorageEngine) getRange(prm *RngPrm) (*RngRes, error) {
 
 		outSI    *objectSDK.SplitInfo
 		outError = object.ErrNotFound
+
+		shardWithMeta hashedShard
 	)
 
 	shPrm := new(shard.RngPrm).
@@ -91,6 +93,9 @@ func (e *StorageEngine) getRange(prm *RngPrm) (*RngRes, error) {
 	e.iterateOverSortedShards(prm.addr, func(_ int, sh *shard.Shard) (stop bool) {
 		res, err := sh.GetRange(shPrm)
 		if err != nil {
+			if res.HasMeta() {
+				shardWithMeta = hashedShard{sh: sh}
+			}
 			switch {
 			case errors.Is(err, object.ErrNotFound):
 				return false // ignore, go to next shard
@@ -137,9 +142,29 @@ func (e *StorageEngine) getRange(prm *RngPrm) (*RngRes, error) {
 	}
 
 	if obj == nil {
+		if shardWithMeta.sh == nil || !errors.Is(outError, object.ErrNotFound) {
 			return nil, outError
 		}
 
+		// If the object is not found but is present in metabase,
+		// try to fetch it from blobstor directly. If it is found in any
+		// blobstor, increase the error counter for the shard which contains the meta.
+		shPrm = shPrm.WithIgnoreMeta(true)
+
+		e.iterateOverSortedShards(prm.addr, func(_ int, sh *shard.Shard) (stop bool) {
+			res, err := sh.GetRange(shPrm)
+			if errors.Is(err, object.ErrRangeOutOfBounds) {
+				outError = object.ErrRangeOutOfBounds
+				return true
+			}
+			obj = res.Object()
+			return err == nil
+		})
+		if obj == nil {
+			return nil, outError
+		}
+	}
+
 	return &RngRes{
 		obj: obj,
 	}, nil

pkg/local_object_storage/engine/shards.go

@@ -25,26 +25,34 @@ func (e *StorageEngine) AddShard(opts ...shard.Option) (*shard.ID, error) {
 	e.mtx.Lock()
 	defer e.mtx.Unlock()
 
-	id, err := generateShardID()
-	if err != nil {
-		return nil, fmt.Errorf("could not generate shard ID: %w", err)
-	}
-
 	pool, err := ants.NewPool(int(e.shardPoolSize), ants.WithNonblocking(true))
 	if err != nil {
 		return nil, err
 	}
 
-	strID := id.String()
+	id, err := generateShardID()
+	if err != nil {
+		return nil, fmt.Errorf("could not generate shard ID: %w", err)
+	}
 
-	e.shards[strID] = shard.New(append(opts,
+	sh := shard.New(append(opts,
 		shard.WithID(id),
 		shard.WithExpiredObjectsCallback(e.processExpiredTombstones),
 	)...)
 
+	if err := sh.UpdateID(); err != nil {
+		return nil, fmt.Errorf("could not open shard: %w", err)
+	}
+
+	strID := sh.ID().String()
+	if _, ok := e.shards[strID]; ok {
+		return nil, fmt.Errorf("shard with id %s was already added", strID)
+	}
+
+	e.shards[strID] = sh
 	e.shardPools[strID] = pool
 
-	return id, nil
+	return sh.ID(), nil
 }
 
 func generateShardID() (*shard.ID, error) {

pkg/local_object_storage/metabase/delete.go

@@ -6,6 +6,7 @@ import (
 	"fmt"
 
 	"github.com/nspcc-dev/neofs-node/pkg/core/object"
+	storagelog "github.com/nspcc-dev/neofs-node/pkg/local_object_storage/internal/log"
 	objectSDK "github.com/nspcc-dev/neofs-sdk-go/object"
 	"go.etcd.io/bbolt"
 )
@@ -47,9 +48,17 @@ type referenceCounter map[string]*referenceNumber
 
 // Delete removed object records from metabase indexes.
 func (db *DB) Delete(prm *DeletePrm) (*DeleteRes, error) {
-	return new(DeleteRes), db.boltDB.Update(func(tx *bbolt.Tx) error {
+	err := db.boltDB.Update(func(tx *bbolt.Tx) error {
 		return db.deleteGroup(tx, prm.addrs)
 	})
+	if err == nil {
+		for i := range prm.addrs {
+			storagelog.Write(db.log,
+				storagelog.AddressField(prm.addrs[i]),
+				storagelog.OpField("metabase DELETE"))
+		}
+	}
+	return new(DeleteRes), err
 }
 
 func (db *DB) deleteGroup(tx *bbolt.Tx, addrs []*objectSDK.Address) error {

pkg/local_object_storage/metabase/put.go

@@ -7,6 +7,7 @@ import (
 	"github.com/nspcc-dev/neo-go/pkg/io"
 	"github.com/nspcc-dev/neofs-node/pkg/core/object"
 	"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/blobovnicza"
+	storagelog "github.com/nspcc-dev/neofs-node/pkg/local_object_storage/internal/log"
 	"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/util"
 	objectSDK "github.com/nspcc-dev/neofs-sdk-go/object"
 	"go.etcd.io/bbolt"
@@ -68,6 +69,11 @@ func (db *DB) Put(prm *PutPrm) (res *PutRes, err error) {
 	err = db.boltDB.Batch(func(tx *bbolt.Tx) error {
 		return db.put(tx, prm.obj, prm.id, nil)
 	})
+	if err == nil {
+		storagelog.Write(db.log,
+			storagelog.AddressField(prm.obj.Address()),
+			storagelog.OpField("metabase PUT"))
+	}
 
 	return
 }

pkg/local_object_storage/metabase/shard_id.go

@@ -0,0 +1,36 @@
+package meta
+
+import (
+	"github.com/nspcc-dev/neo-go/pkg/util/slice"
+	"go.etcd.io/bbolt"
+)
+
+var (
+	shardInfoBucket = []byte(invalidBase58String + "i")
+	shardIDKey      = []byte("id")
+)
+
+// ReadShardID reads shard id from db.
+// If id is missing, returns nil, nil.
+func (db *DB) ReadShardID() ([]byte, error) {
+	var id []byte
+	err := db.boltDB.View(func(tx *bbolt.Tx) error {
+		b := tx.Bucket(shardInfoBucket)
+		if b != nil {
+			id = slice.Copy(b.Get(shardIDKey))
+		}
+		return nil
+	})
+	return id, err
+}
+
+// WriteShardID writes shard it to db.
+func (db *DB) WriteShardID(id []byte) error {
+	return db.boltDB.Update(func(tx *bbolt.Tx) error {
+		b, err := tx.CreateBucketIfNotExists(shardInfoBucket)
+		if err != nil {
+			return err
+		}
+		return b.Put(shardIDKey, id)
+	})
+}

pkg/local_object_storage/shard/control.go

@@ -26,7 +26,6 @@ func (s *Shard) Open() error {
 			return fmt.Errorf("could not open %T: %w", component, err)
 		}
 	}
-
 	return nil
 }
 

pkg/local_object_storage/shard/get.go

@@ -19,11 +19,13 @@ type storFetcher = func(stor *blobstor.BlobStor, id *blobovnicza.ID) (*object.Ob
 // GetPrm groups the parameters of Get operation.
 type GetPrm struct {
 	addr     *objectSDK.Address
+	skipMeta bool
 }
 
 // GetRes groups resulting values of Get operation.
 type GetRes struct {
 	obj     *object.Object
+	hasMeta bool
 }
 
 // WithAddress is a Get option to set the address of the requested object.
@@ -37,11 +39,23 @@ func (p *GetPrm) WithAddress(addr *objectSDK.Address) *GetPrm {
 	return p
 }
 
+// WithIgnoreMeta is a Get option try to fetch object from blobstor directly,
+// without accessing metabase.
+func (p *GetPrm) WithIgnoreMeta(ignore bool) *GetPrm {
+	p.skipMeta = ignore
+	return p
+}
+
 // Object returns the requested object.
 func (r *GetRes) Object() *object.Object {
 	return r.obj
 }
 
+// HasMeta returns true if info about the object was found in the metabase.
+func (r *GetRes) HasMeta() bool {
+	return r.hasMeta
+}
+
 // Get reads an object from shard.
 //
 // Returns any error encountered that
@@ -76,15 +90,16 @@ func (s *Shard) Get(prm *GetPrm) (*GetRes, error) {
 		return res.Object(), nil
 	}
 
-	obj, err := s.fetchObjectData(prm.addr, big, small)
+	obj, hasMeta, err := s.fetchObjectData(prm.addr, prm.skipMeta, big, small)
 
 	return &GetRes{
 		obj:     obj,
+		hasMeta: hasMeta,
 	}, err
 }
 
 // fetchObjectData looks through writeCache and blobStor to find object.
-func (s *Shard) fetchObjectData(addr *objectSDK.Address, big, small storFetcher) (*object.Object, error) {
+func (s *Shard) fetchObjectData(addr *objectSDK.Address, skipMeta bool, big, small storFetcher) (*object.Object, bool, error) {
 	var (
 		err error
 		res *object.Object
@@ -93,7 +108,7 @@ func (s *Shard) fetchObjectData(addr *objectSDK.Address, big, small storFetcher)
 	if s.hasWriteCache() {
 		res, err = s.writeCache.Get(addr)
 		if err == nil {
-			return res, nil
+			return res, false, nil
 		}
 
 		if errors.Is(err, object.ErrNotFound) {
@@ -103,18 +118,27 @@ func (s *Shard) fetchObjectData(addr *objectSDK.Address, big, small storFetcher)
 		}
 	}
 
+	if skipMeta {
+		res, err = small(s.blobStor, nil)
+		if err == nil || errors.Is(err, object.ErrRangeOutOfBounds) {
+			return res, false, err
+		}
+		res, err = big(s.blobStor, nil)
+		return res, false, err
+	}
+
 	exists, err := meta.Exists(s.metaBase, addr)
 	if err != nil {
-		return nil, err
+		return nil, false, err
 	}
 
 	if !exists {
-		return nil, object.ErrNotFound
+		return nil, false, object.ErrNotFound
 	}
 
 	blobovniczaID, err := meta.IsSmall(s.metaBase, addr)
 	if err != nil {
-		return nil, fmt.Errorf("can't fetch blobovnicza id from metabase: %w", err)
+		return nil, true, fmt.Errorf("can't fetch blobovnicza id from metabase: %w", err)
 	}
 
 	if blobovniczaID != nil {
@@ -123,5 +147,5 @@ func (s *Shard) fetchObjectData(addr *objectSDK.Address, big, small storFetcher)
 		res, err = big(s.blobStor, nil)
 	}
 
-	return res, err
+	return res, true, err
 }

pkg/local_object_storage/shard/id.go

@@ -23,3 +23,25 @@ func (id ID) String() string {
 func (s *Shard) ID() *ID {
 	return s.info.ID
 }
+
+// UpdateID reads shard ID saved in the metabase and updates it if it is missing.
+func (s *Shard) UpdateID() (err error) {
+	if err = s.metaBase.Open(); err != nil {
+		return err
+	}
+	defer func() {
+		cErr := s.metaBase.Close()
+		if err == nil {
+			err = cErr
+		}
+	}()
+	id, err := s.metaBase.ReadShardID()
+	if err != nil {
+		return err
+	}
+	if len(id) != 0 {
+		s.info.ID = NewIDFromBytes(id)
+		return nil
+	}
+	return s.metaBase.WriteShardID(*s.info.ID)
+}

pkg/local_object_storage/shard/range.go

@@ -14,11 +14,14 @@ type RngPrm struct {
 	off uint64
 
 	addr *objectSDK.Address
+
+	skipMeta bool
 }
 
 // RngRes groups resulting values of GetRange operation.
 type RngRes struct {
 	obj     *object.Object
+	hasMeta bool
 }
 
 // WithAddress is a Rng option to set the address of the requested object.
@@ -41,6 +44,13 @@ func (p *RngPrm) WithRange(off uint64, ln uint64) *RngPrm {
 	return p
 }
 
+// WithIgnoreMeta is a Get option try to fetch object from blobstor directly,
+// without accessing metabase.
+func (p *RngPrm) WithIgnoreMeta(ignore bool) *RngPrm {
+	p.skipMeta = ignore
+	return p
+}
+
 // Object returns the requested object part.
 //
 // Instance payload contains the requested range of the original object.
@@ -48,6 +58,11 @@ func (r *RngRes) Object() *object.Object {
 	return r.obj
 }
 
+// HasMeta returns true if info about the object was found in the metabase.
+func (r *RngRes) HasMeta() bool {
+	return r.hasMeta
+}
+
 // GetRange reads part of an object from shard.
 //
 // Returns any error encountered that
@@ -94,9 +109,10 @@ func (s *Shard) GetRange(prm *RngPrm) (*RngRes, error) {
 		return obj.Object(), nil
 	}
 
-	obj, err := s.fetchObjectData(prm.addr, big, small)
+	obj, hasMeta, err := s.fetchObjectData(prm.addr, prm.skipMeta, big, small)
 
 	return &RngRes{
 		obj:     obj,
+		hasMeta: hasMeta,
 	}, err
 }

pkg/local_object_storage/shard/shard.go

@@ -96,7 +96,7 @@ func New(opts ...Option) *Shard {
 	return s
 }
 
-// WithID returns option to set shard identifier.
+// WithID returns option to set the default shard identifier.
 func WithID(id *ID) Option {
 	return func(c *cfg) {
 		c.info.ID = id

pkg/services/replicator/process.go

@@ -52,7 +52,9 @@ func (p *Replicator) HandleTask(ctx context.Context, task *Task) {
 
 	obj, err := engine.Get(p.localStorage, task.addr)
 	if err != nil {
-		p.log.Error("could not get object from local storage")
+		p.log.Error("could not get object from local storage",
+			zap.Stringer("object", task.addr),
+			zap.Error(err))
 
 		return
 	}