[#9999] config: Drop blobstor, metabase, writecache configs

Signed-off-by: Dmitrii Stepanov <d.stepanov@yadro.com>

cmd/frostfs-adm/internal/modules/metabase/upgrade.go

@@ -9,8 +9,6 @@ import (
 
 	"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-adm/internal/commonflags"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config"
-	engineconfig "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config/engine"
-	shardconfig "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config/engine/shard"
 	morphconfig "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config/morph"
 	nodeconfig "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config/node"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/container"
@@ -109,12 +107,6 @@ func upgrade(cmd *cobra.Command, _ []string) error {
 
 func getMetabasePaths(appCfg *config.Config) ([]string, error) {
 	var paths []string
-	if err := engineconfig.IterateShards(appCfg, false, func(sc *shardconfig.Config) error {
-		paths = append(paths, sc.Metabase().Path())
-		return nil
-	}); err != nil {
-		return nil, fmt.Errorf("get metabase paths: %w", err)
-	}
 	return paths, nil
 }
 

cmd/frostfs-node/config.go

@@ -8,7 +8,6 @@ import (
 	"net"
 	"os"
 	"os/signal"
-	"path/filepath"
 	"strings"
 	"sync"
 	"sync/atomic"
@@ -21,8 +20,6 @@ import (
 	contractsconfig "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config/contracts"
 	engineconfig "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config/engine"
 	shardconfig "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config/engine/shard"
-	blobovniczaconfig "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config/engine/shard/blobstor/blobovnicza"
-	fstreeconfig "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config/engine/shard/blobstor/fstree"
 	loggerconfig "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config/logger"
 	morphconfig "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config/morph"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config/multinet"
@@ -37,16 +34,11 @@ import (
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/container"
 	frostfsidcore "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/frostfsid"
 	netmapCore "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/netmap"
-	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/blobstor"
-	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/blobstor/blobovniczatree"
-	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/blobstor/fstree"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/engine"
-	meta "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/metabase"
 	lsmetrics "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/metrics"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/pilorama"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/shard"
 	shardmode "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/shard/mode"
-	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/writecache"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/morph/client"
 	containerClient "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/morph/client/container"
 	nmClient "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/morph/client/netmap"
@@ -71,7 +63,6 @@ import (
 	"git.frostfs.info/TrueCloudLab/frostfs-observability/tracing"
 	netmapV2 "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/netmap"
 	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/netmap"
-	objectSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object"
 	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/user"
 	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/version"
 	policy_engine "git.frostfs.info/TrueCloudLab/policy-engine/pkg/engine"
@@ -79,7 +70,6 @@ import (
 	"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
 	neogoutil "github.com/nspcc-dev/neo-go/pkg/util"
 	"github.com/panjf2000/ants/v2"
-	"go.etcd.io/bbolt"
 	"go.uber.org/zap"
 	"go.uber.org/zap/zapcore"
 	"google.golang.org/grpc"
@@ -129,20 +119,8 @@ type shardCfg struct {
 	estimateCompressibility          bool
 	estimateCompressibilityThreshold float64
 
-	smallSizeObjectLimit       uint64
+	uncompressableContentType []string
-	uncompressableContentType  []string
+	mode                      shardmode.Mode
-	refillMetabase             bool
-	refillMetabaseWorkersCount int
-	mode                       shardmode.Mode
-
-	metaCfg struct {
-		path          string
-		perm          fs.FileMode
-		maxBatchSize  int
-		maxBatchDelay time.Duration
-	}
-
-	subStorages []subStorageCfg
 
 	gcCfg struct {
 		removerBatchSize            int
@@ -151,17 +129,6 @@ type shardCfg struct {
 		expiredCollectorWorkerCount int
 	}
 
-	writecacheCfg struct {
-		enabled          bool
-		path             string
-		maxObjSize       uint64
-		flushWorkerCount int
-		sizeLimit        uint64
-		countLimit       uint64
-		noSync           bool
-		flushSizeLimit   uint64
-	}
-
 	piloramaCfg struct {
 		enabled       bool
 		path          string
@@ -178,9 +145,6 @@ func (c *shardCfg) id() string {
 	// This calculation should be kept in sync with
 	// pkg/local_object_storage/engine/control.go file.
 	var sb strings.Builder
-	for i := range c.subStorages {
-		sb.WriteString(filepath.Clean(c.subStorages[i].path))
-	}
 	return sb.String()
 }
 
@@ -256,25 +220,14 @@ func (a *applicationConfiguration) readConfig(c *config.Config) error {
 func (a *applicationConfiguration) updateShardConfig(c *config.Config, oldConfig *shardconfig.Config) error {
 	var newConfig shardCfg
 
-	newConfig.refillMetabase = oldConfig.RefillMetabase()
-	newConfig.refillMetabaseWorkersCount = oldConfig.RefillMetabaseWorkersCount()
 	newConfig.mode = oldConfig.Mode()
 	newConfig.compress = oldConfig.Compress()
 	newConfig.estimateCompressibility = oldConfig.EstimateCompressibility()
 	newConfig.estimateCompressibilityThreshold = oldConfig.EstimateCompressibilityThreshold()
 	newConfig.uncompressableContentType = oldConfig.UncompressableContentTypes()
-	newConfig.smallSizeObjectLimit = oldConfig.SmallSizeLimit()
-
-	a.setShardWriteCacheConfig(&newConfig, oldConfig)
 
 	a.setShardPiloramaConfig(c, &newConfig, oldConfig)
 
-	if err := a.setShardStorageConfig(&newConfig, oldConfig); err != nil {
-		return err
-	}
-
-	a.setMetabaseConfig(&newConfig, oldConfig)
-
 	a.setGCConfig(&newConfig, oldConfig)
 
 	a.EngineCfg.shards = append(a.EngineCfg.shards, newConfig)
@@ -282,22 +235,6 @@ func (a *applicationConfiguration) updateShardConfig(c *config.Config, oldConfig
 	return nil
 }
 
-func (a *applicationConfiguration) setShardWriteCacheConfig(newConfig *shardCfg, oldConfig *shardconfig.Config) {
-	writeCacheCfg := oldConfig.WriteCache()
-	if writeCacheCfg.Enabled() {
-		wc := &newConfig.writecacheCfg
-
-		wc.enabled = true
-		wc.path = writeCacheCfg.Path()
-		wc.maxObjSize = writeCacheCfg.MaxObjectSize()
-		wc.flushWorkerCount = writeCacheCfg.WorkerCount()
-		wc.sizeLimit = writeCacheCfg.SizeLimit()
-		wc.countLimit = writeCacheCfg.CountLimit()
-		wc.noSync = writeCacheCfg.NoSync()
-		wc.flushSizeLimit = writeCacheCfg.MaxFlushingObjectsSize()
-	}
-}
-
 func (a *applicationConfiguration) setShardPiloramaConfig(c *config.Config, newConfig *shardCfg, oldConfig *shardconfig.Config) {
 	if config.BoolSafe(c.Sub("tree"), "enabled") {
 		piloramaCfg := oldConfig.Pilorama()
@@ -312,55 +249,6 @@ func (a *applicationConfiguration) setShardPiloramaConfig(c *config.Config, newC
 	}
 }
 
-func (a *applicationConfiguration) setShardStorageConfig(newConfig *shardCfg, oldConfig *shardconfig.Config) error {
-	blobStorCfg := oldConfig.BlobStor()
-	storagesCfg := blobStorCfg.Storages()
-
-	ss := make([]subStorageCfg, 0, len(storagesCfg))
-	for i := range storagesCfg {
-		var sCfg subStorageCfg
-
-		sCfg.typ = storagesCfg[i].Type()
-		sCfg.path = storagesCfg[i].Path()
-		sCfg.perm = storagesCfg[i].Perm()
-
-		switch storagesCfg[i].Type() {
-		case blobovniczatree.Type:
-			sub := blobovniczaconfig.From((*config.Config)(storagesCfg[i]))
-
-			sCfg.size = sub.Size()
-			sCfg.depth = sub.ShallowDepth()
-			sCfg.width = sub.ShallowWidth()
-			sCfg.openedCacheSize = sub.OpenedCacheSize()
-			sCfg.openedCacheTTL = sub.OpenedCacheTTL()
-			sCfg.openedCacheExpInterval = sub.OpenedCacheExpInterval()
-			sCfg.initWorkerCount = sub.InitWorkerCount()
-			sCfg.rebuildDropTimeout = sub.RebuildDropTimeout()
-		case fstree.Type:
-			sub := fstreeconfig.From((*config.Config)(storagesCfg[i]))
-			sCfg.depth = sub.Depth()
-			sCfg.noSync = sub.NoSync()
-		default:
-			return fmt.Errorf("invalid storage type: %s", storagesCfg[i].Type())
-		}
-
-		ss = append(ss, sCfg)
-	}
-
-	newConfig.subStorages = ss
-	return nil
-}
-
-func (a *applicationConfiguration) setMetabaseConfig(newConfig *shardCfg, oldConfig *shardconfig.Config) {
-	metabaseCfg := oldConfig.Metabase()
-	m := &newConfig.metaCfg
-
-	m.path = metabaseCfg.Path()
-	m.perm = metabaseCfg.BoltDB().Perm()
-	m.maxBatchDelay = metabaseCfg.BoltDB().MaxBatchDelay()
-	m.maxBatchSize = metabaseCfg.BoltDB().MaxBatchSize()
-}
-
 func (a *applicationConfiguration) setGCConfig(newConfig *shardCfg, oldConfig *shardconfig.Config) {
 	gcCfg := oldConfig.GC()
 	newConfig.gcCfg.removerBatchSize = gcCfg.RemoverBatchSize()
@@ -894,33 +782,16 @@ type shardOptsWithID struct {
 	shOpts   []shard.Option
 }
 
-func (c *cfg) shardOpts(ctx context.Context) []shardOptsWithID {
+func (c *cfg) shardOpts() []shardOptsWithID {
 	shards := make([]shardOptsWithID, 0, len(c.EngineCfg.shards))
 
 	for _, shCfg := range c.EngineCfg.shards {
-		shards = append(shards, c.getShardOpts(ctx, shCfg))
+		shards = append(shards, c.getShardOpts(shCfg))
 	}
 
 	return shards
 }
 
-func (c *cfg) getWriteCacheOpts(shCfg shardCfg) []writecache.Option {
-	var writeCacheOpts []writecache.Option
-	if wcRead := shCfg.writecacheCfg; wcRead.enabled {
-		writeCacheOpts = append(writeCacheOpts,
-			writecache.WithPath(wcRead.path),
-			writecache.WithFlushSizeLimit(wcRead.flushSizeLimit),
-			writecache.WithMaxObjectSize(wcRead.maxObjSize),
-			writecache.WithFlushWorkersCount(wcRead.flushWorkerCount),
-			writecache.WithMaxCacheSize(wcRead.sizeLimit),
-			writecache.WithMaxCacheCount(wcRead.countLimit),
-			writecache.WithNoSync(wcRead.noSync),
-			writecache.WithLogger(c.log),
-		)
-	}
-	return writeCacheOpts
-}
-
 func (c *cfg) getPiloramaOpts(shCfg shardCfg) []pilorama.Option {
 	var piloramaOpts []pilorama.Option
 	if prRead := shCfg.piloramaCfg; prRead.enabled {
@@ -938,113 +809,15 @@ func (c *cfg) getPiloramaOpts(shCfg shardCfg) []pilorama.Option {
 	return piloramaOpts
 }
 
-func (c *cfg) getSubstorageOpts(ctx context.Context, shCfg shardCfg) []blobstor.SubStorage {
+func (c *cfg) getShardOpts(shCfg shardCfg) shardOptsWithID {
-	var ss []blobstor.SubStorage
-	for _, sRead := range shCfg.subStorages {
-		switch sRead.typ {
-		case blobovniczatree.Type:
-			blobTreeOpts := []blobovniczatree.Option{
-				blobovniczatree.WithRootPath(sRead.path),
-				blobovniczatree.WithPermissions(sRead.perm),
-				blobovniczatree.WithBlobovniczaSize(sRead.size),
-				blobovniczatree.WithBlobovniczaShallowDepth(sRead.depth),
-				blobovniczatree.WithBlobovniczaShallowWidth(sRead.width),
-				blobovniczatree.WithOpenedCacheSize(sRead.openedCacheSize),
-				blobovniczatree.WithOpenedCacheTTL(sRead.openedCacheTTL),
-				blobovniczatree.WithOpenedCacheExpInterval(sRead.openedCacheExpInterval),
-				blobovniczatree.WithInitWorkerCount(sRead.initWorkerCount),
-				blobovniczatree.WithWaitBeforeDropDB(sRead.rebuildDropTimeout),
-				blobovniczatree.WithLogger(c.log),
-				blobovniczatree.WithObjectSizeLimit(shCfg.smallSizeObjectLimit),
-			}
-
-			if c.metricsCollector != nil {
-				blobTreeOpts = append(blobTreeOpts,
-					blobovniczatree.WithMetrics(
-						lsmetrics.NewBlobovniczaTreeMetrics(sRead.path, c.metricsCollector.BlobobvnizcaTreeMetrics()),
-					),
-				)
-			}
-			ss = append(ss, blobstor.SubStorage{
-				Storage: blobovniczatree.NewBlobovniczaTree(ctx, blobTreeOpts...),
-				Policy: func(_ *objectSDK.Object, data []byte) bool {
-					return uint64(len(data)) < shCfg.smallSizeObjectLimit
-				},
-			})
-		case fstree.Type:
-			fstreeOpts := []fstree.Option{
-				fstree.WithPath(sRead.path),
-				fstree.WithPerm(sRead.perm),
-				fstree.WithDepth(sRead.depth),
-				fstree.WithNoSync(sRead.noSync),
-				fstree.WithLogger(c.log),
-			}
-			if c.metricsCollector != nil {
-				fstreeOpts = append(fstreeOpts,
-					fstree.WithMetrics(
-						lsmetrics.NewFSTreeMetricsWithoutShardID(sRead.path, c.metricsCollector.FSTree()),
-					),
-				)
-			}
-
-			ss = append(ss, blobstor.SubStorage{
-				Storage: fstree.New(fstreeOpts...),
-				Policy: func(_ *objectSDK.Object, _ []byte) bool {
-					return true
-				},
-			})
-		default:
-			// should never happen, that has already
-			// been handled: when the config was read
-		}
-	}
-	return ss
-}
-
-func (c *cfg) getShardOpts(ctx context.Context, shCfg shardCfg) shardOptsWithID {
-	writeCacheOpts := c.getWriteCacheOpts(shCfg)
 	piloramaOpts := c.getPiloramaOpts(shCfg)
-	ss := c.getSubstorageOpts(ctx, shCfg)
-
-	blobstoreOpts := []blobstor.Option{
-		blobstor.WithCompressObjects(shCfg.compress),
-		blobstor.WithUncompressableContentTypes(shCfg.uncompressableContentType),
-		blobstor.WithCompressibilityEstimate(shCfg.estimateCompressibility),
-		blobstor.WithCompressibilityEstimateThreshold(shCfg.estimateCompressibilityThreshold),
-		blobstor.WithStorages(ss),
-		blobstor.WithLogger(c.log),
-	}
-	if c.metricsCollector != nil {
-		blobstoreOpts = append(blobstoreOpts, blobstor.WithMetrics(lsmetrics.NewBlobstoreMetrics(c.metricsCollector.Blobstore())))
-	}
-
-	mbOptions := []meta.Option{
-		meta.WithPath(shCfg.metaCfg.path),
-		meta.WithPermissions(shCfg.metaCfg.perm),
-		meta.WithMaxBatchSize(shCfg.metaCfg.maxBatchSize),
-		meta.WithMaxBatchDelay(shCfg.metaCfg.maxBatchDelay),
-		meta.WithBoltDBOptions(&bbolt.Options{
-			Timeout: 100 * time.Millisecond,
-		}),
-		meta.WithLogger(c.log),
-		meta.WithEpochState(c.cfgNetmap.state),
-	}
-	if c.metricsCollector != nil {
-		mbOptions = append(mbOptions, meta.WithMetrics(lsmetrics.NewMetabaseMetrics(shCfg.metaCfg.path, c.metricsCollector.MetabaseMetrics())))
-	}
 
 	var sh shardOptsWithID
 	sh.configID = shCfg.id()
 	sh.shOpts = []shard.Option{
 		shard.WithLogger(c.log),
-		shard.WithRefillMetabase(shCfg.refillMetabase),
-		shard.WithRefillMetabaseWorkersCount(shCfg.refillMetabaseWorkersCount),
 		shard.WithMode(shCfg.mode),
-		shard.WithBlobStorOptions(blobstoreOpts...),
-		shard.WithMetaBaseOptions(mbOptions...),
 		shard.WithPiloramaOptions(piloramaOpts...),
-		shard.WithWriteCache(shCfg.writecacheCfg.enabled),
-		shard.WithWriteCacheOptions(writeCacheOpts),
 		shard.WithRemoverBatchSize(shCfg.gcCfg.removerBatchSize),
 		shard.WithGCRemoverSleepInterval(shCfg.gcCfg.removerSleepInterval),
 		shard.WithExpiredCollectorBatchSize(shCfg.gcCfg.expiredCollectorBatchSize),
@@ -1097,7 +870,7 @@ func initLocalStorage(ctx context.Context, c *cfg) {
 	c.cfgObject.getSvc = new(getsvc.Service)
 
 	var shardsAttached int
-	for _, optsWithMeta := range c.shardOpts(ctx) {
+	for _, optsWithMeta := range c.shardOpts() {
 		id, err := ls.AddShard(ctx, append(optsWithMeta.shOpts,
 			shard.WithTombstoneSource(c.createTombstoneSource()),
 			shard.WithContainerInfoProvider(c.createContainerInfoProvider(ctx)))...)
@@ -1344,7 +1117,7 @@ func (c *cfg) reloadConfig(ctx context.Context) {
 	// Storage Engine
 
 	var rcfg engine.ReConfiguration
-	for _, optsWithID := range c.shardOpts(ctx) {
+	for _, optsWithID := range c.shardOpts() {
 		rcfg.AddShard(optsWithID.configID, append(optsWithID.shOpts,
 			shard.WithTombstoneSource(c.createTombstoneSource()),
 			shard.WithContainerInfoProvider(c.createContainerInfoProvider(ctx)),

cmd/frostfs-node/config/engine/config_test.go

@@ -8,11 +8,8 @@ import (
 	"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config"
 	engineconfig "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config/engine"
 	shardconfig "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config/engine/shard"
-	blobovniczaconfig "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config/engine/shard/blobstor/blobovnicza"
-	fstreeconfig "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config/engine/shard/blobstor/fstree"
 	gcconfig "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config/engine/shard/gc"
 	piloramaconfig "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config/engine/shard/pilorama"
-	writecacheconfig "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config/engine/shard/writecache"
 	configtest "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config/test"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/shard/mode"
 	"github.com/stretchr/testify/require"
@@ -20,13 +17,10 @@ import (
 
 func TestIterateShards(t *testing.T) {
 	fileConfigTest := func(c *config.Config) {
-		var res []string
 		require.NoError(t,
 			engineconfig.IterateShards(c, false, func(sc *shardconfig.Config) error {
-				res = append(res, sc.Metabase().Path())
 				return nil
 			}))
-		require.Equal(t, []string{"abc", "xyz"}, res)
 	}
 
 	const cfgDir = "./testdata/shards"
@@ -70,10 +64,6 @@ func TestEngineSection(t *testing.T) {
 				num++
 			}()
 
-			wc := sc.WriteCache()
-			meta := sc.Metabase()
-			blob := sc.BlobStor()
-			ss := blob.Storages()
 			pl := sc.Pilorama()
 			gc := sc.GC()
 
@@ -85,55 +75,18 @@ func TestEngineSection(t *testing.T) {
 				require.Equal(t, pl.MaxBatchDelay(), 10*time.Millisecond)
 				require.Equal(t, pl.MaxBatchSize(), 200)
 
-				require.Equal(t, false, wc.Enabled())
-				require.Equal(t, true, wc.NoSync())
-
-				require.Equal(t, "tmp/0/cache", wc.Path())
-				require.EqualValues(t, 134217728, wc.MaxObjectSize())
-				require.EqualValues(t, 30, wc.WorkerCount())
-				require.EqualValues(t, 3221225472, wc.SizeLimit())
-				require.EqualValues(t, 49, wc.CountLimit())
-				require.EqualValues(t, uint64(100), wc.MaxFlushingObjectsSize())
-
-				require.Equal(t, "tmp/0/meta", meta.Path())
-				require.Equal(t, fs.FileMode(0o644), meta.BoltDB().Perm())
-				require.Equal(t, 100, meta.BoltDB().MaxBatchSize())
-				require.Equal(t, 10*time.Millisecond, meta.BoltDB().MaxBatchDelay())
-
 				require.Equal(t, true, sc.Compress())
 				require.Equal(t, []string{"audio/*", "video/*"}, sc.UncompressableContentTypes())
 				require.Equal(t, true, sc.EstimateCompressibility())
 				require.Equal(t, float64(0.7), sc.EstimateCompressibilityThreshold())
 				require.EqualValues(t, 102400, sc.SmallSizeLimit())
 
-				require.Equal(t, 2, len(ss))
-				blz := blobovniczaconfig.From((*config.Config)(ss[0]))
-				require.Equal(t, "tmp/0/blob/blobovnicza", ss[0].Path())
-				require.EqualValues(t, 0o644, blz.BoltDB().Perm())
-				require.EqualValues(t, 4194304, blz.Size())
-				require.EqualValues(t, 1, blz.ShallowDepth())
-				require.EqualValues(t, 4, blz.ShallowWidth())
-				require.EqualValues(t, 50, blz.OpenedCacheSize())
-				require.EqualValues(t, time.Minute, blz.OpenedCacheTTL())
-				require.EqualValues(t, 30*time.Second, blz.OpenedCacheExpInterval())
-				require.EqualValues(t, 10, blz.InitWorkerCount())
-				require.EqualValues(t, 30*time.Second, blz.RebuildDropTimeout())
-
-				require.Equal(t, "tmp/0/blob", ss[1].Path())
-				require.EqualValues(t, 0o644, ss[1].Perm())
-
-				fst := fstreeconfig.From((*config.Config)(ss[1]))
-				require.EqualValues(t, 5, fst.Depth())
-				require.Equal(t, false, fst.NoSync())
-
 				require.EqualValues(t, 150, gc.RemoverBatchSize())
 				require.Equal(t, 2*time.Minute, gc.RemoverSleepInterval())
 				require.Equal(t, 1500, gc.ExpiredCollectorBatchSize())
 				require.Equal(t, 15, gc.ExpiredCollectorWorkerCount())
 
-				require.Equal(t, false, sc.RefillMetabase())
 				require.Equal(t, mode.ReadOnly, sc.Mode())
-				require.Equal(t, 100, sc.RefillMetabaseWorkersCount())
 			case 1:
 				require.Equal(t, "tmp/1/blob/pilorama.db", pl.Path())
 				require.Equal(t, fs.FileMode(0o644), pl.Perm())
@@ -141,53 +94,16 @@ func TestEngineSection(t *testing.T) {
 				require.Equal(t, 5*time.Millisecond, pl.MaxBatchDelay())
 				require.Equal(t, 100, pl.MaxBatchSize())
 
-				require.Equal(t, true, wc.Enabled())
-				require.Equal(t, false, wc.NoSync())
-
-				require.Equal(t, "tmp/1/cache", wc.Path())
-				require.EqualValues(t, 134217728, wc.MaxObjectSize())
-				require.EqualValues(t, 30, wc.WorkerCount())
-				require.EqualValues(t, 4294967296, wc.SizeLimit())
-				require.EqualValues(t, writecacheconfig.CountLimitDefault, wc.CountLimit())
-				require.EqualValues(t, writecacheconfig.MaxFlushingObjectsSizeDefault, wc.MaxFlushingObjectsSize())
-
-				require.Equal(t, "tmp/1/meta", meta.Path())
-				require.Equal(t, fs.FileMode(0o644), meta.BoltDB().Perm())
-				require.Equal(t, 200, meta.BoltDB().MaxBatchSize())
-				require.Equal(t, 20*time.Millisecond, meta.BoltDB().MaxBatchDelay())
-
 				require.Equal(t, false, sc.Compress())
 				require.Equal(t, []string(nil), sc.UncompressableContentTypes())
 				require.EqualValues(t, 102400, sc.SmallSizeLimit())
 
-				require.Equal(t, 2, len(ss))
-
-				blz := blobovniczaconfig.From((*config.Config)(ss[0]))
-				require.Equal(t, "tmp/1/blob/blobovnicza", ss[0].Path())
-				require.EqualValues(t, 4194304, blz.Size())
-				require.EqualValues(t, 1, blz.ShallowDepth())
-				require.EqualValues(t, 4, blz.ShallowWidth())
-				require.EqualValues(t, 50, blz.OpenedCacheSize())
-				require.EqualValues(t, 5*time.Minute, blz.OpenedCacheTTL())
-				require.EqualValues(t, 15*time.Second, blz.OpenedCacheExpInterval())
-				require.EqualValues(t, blobovniczaconfig.InitWorkerCountDefault, blz.InitWorkerCount())
-				require.EqualValues(t, blobovniczaconfig.RebuildDropTimeoutDefault, blz.RebuildDropTimeout())
-
-				require.Equal(t, "tmp/1/blob", ss[1].Path())
-				require.EqualValues(t, 0o644, ss[1].Perm())
-
-				fst := fstreeconfig.From((*config.Config)(ss[1]))
-				require.EqualValues(t, 5, fst.Depth())
-				require.Equal(t, true, fst.NoSync())
-
 				require.EqualValues(t, 200, gc.RemoverBatchSize())
 				require.Equal(t, 5*time.Minute, gc.RemoverSleepInterval())
 				require.Equal(t, gcconfig.ExpiredCollectorBatchSizeDefault, gc.ExpiredCollectorBatchSize())
 				require.Equal(t, gcconfig.ExpiredCollectorWorkersCountDefault, gc.ExpiredCollectorWorkerCount())
 
-				require.Equal(t, true, sc.RefillMetabase())
 				require.Equal(t, mode.ReadWrite, sc.Mode())
-				require.Equal(t, shardconfig.RefillMetabaseWorkersCountDefault, sc.RefillMetabaseWorkersCount())
 			}
 			return nil
 		})

cmd/frostfs-node/config/engine/shard/blobstor/blobovnicza/config.go

@@ -1,180 +0,0 @@
-package blobovniczaconfig
-
-import (
-	"time"
-
-	"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config"
-	boltdbconfig "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config/engine/shard/boltdb"
-	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/blobstor/blobovniczatree"
-)
-
-// Config is a wrapper over the config section
-// which provides access to Blobovnicza configurations.
-type Config config.Config
-
-const (
-	// SizeDefault is a default limit of estimates of Blobovnicza size.
-	SizeDefault = 1 << 30
-
-	// ShallowDepthDefault is a default shallow dir depth.
-	ShallowDepthDefault = 2
-
-	// ShallowWidthDefault is a default shallow dir width.
-	ShallowWidthDefault = 16
-
-	// OpenedCacheSizeDefault is a default cache size of opened Blobovnicza's.
-	OpenedCacheSizeDefault = 16
-
-	// OpenedCacheTTLDefault is a default cache ttl of opened Blobovnicza's.
-	OpenedCacheTTLDefault = 0 // means expiring is off
-
-	// OpenedCacheExpIntervalDefault is a default cache cleanup interval for expired Blobovnicza's.
-	OpenedCacheExpIntervalDefault = 15 * time.Second
-
-	// InitWorkerCountDefault is a default workers count to initialize Blobovnicza's.
-	InitWorkerCountDefault = 5
-
-	// RebuildDropTimeoutDefault is a default timeout value to wait before drop single blobovnicza.
-	RebuildDropTimeoutDefault = 10 * time.Second
-)
-
-// From wraps config section into Config.
-func From(c *config.Config) *Config {
-	return (*Config)(c)
-}
-
-// Type returns the storage type.
-func (x *Config) Type() string {
-	return blobovniczatree.Type
-}
-
-// Size returns the value of "size" config parameter.
-//
-// Returns SizeDefault if the value is not a positive number.
-func (x *Config) Size() uint64 {
-	s := config.SizeInBytesSafe(
-		(*config.Config)(x),
-		"size",
-	)
-
-	if s > 0 {
-		return s
-	}
-
-	return SizeDefault
-}
-
-// ShallowDepth returns the value of "depth" config parameter.
-//
-// Returns ShallowDepthDefault if the value is not a positive number.
-func (x *Config) ShallowDepth() uint64 {
-	d := config.UintSafe(
-		(*config.Config)(x),
-		"depth",
-	)
-
-	if d > 0 {
-		return d
-	}
-
-	return ShallowDepthDefault
-}
-
-// ShallowWidth returns the value of "width" config parameter.
-//
-// Returns ShallowWidthDefault if the value is not a positive number.
-func (x *Config) ShallowWidth() uint64 {
-	d := config.UintSafe(
-		(*config.Config)(x),
-		"width",
-	)
-
-	if d > 0 {
-		return d
-	}
-
-	return ShallowWidthDefault
-}
-
-// OpenedCacheSize returns the value of "opened_cache_capacity" config parameter.
-//
-// Returns OpenedCacheSizeDefault if the value is not a positive number.
-func (x *Config) OpenedCacheSize() int {
-	d := config.IntSafe(
-		(*config.Config)(x),
-		"opened_cache_capacity",
-	)
-
-	if d > 0 {
-		return int(d)
-	}
-
-	return OpenedCacheSizeDefault
-}
-
-// OpenedCacheTTL returns the value of "opened_cache_ttl" config parameter.
-//
-// Returns OpenedCacheTTLDefault if the value is not a positive number.
-func (x *Config) OpenedCacheTTL() time.Duration {
-	d := config.DurationSafe(
-		(*config.Config)(x),
-		"opened_cache_ttl",
-	)
-
-	if d > 0 {
-		return d
-	}
-
-	return OpenedCacheTTLDefault
-}
-
-// OpenedCacheExpInterval returns the value of "opened_cache_exp_interval" config parameter.
-//
-// Returns OpenedCacheExpIntervalDefault if the value is not a positive number.
-func (x *Config) OpenedCacheExpInterval() time.Duration {
-	d := config.DurationSafe(
-		(*config.Config)(x),
-		"opened_cache_exp_interval",
-	)
-
-	if d > 0 {
-		return d
-	}
-
-	return OpenedCacheExpIntervalDefault
-}
-
-// BoltDB returns config instance for querying bolt db specific parameters.
-func (x *Config) BoltDB() *boltdbconfig.Config {
-	return (*boltdbconfig.Config)(x)
-}
-
-// InitWorkerCount returns the value of "init_worker_count" config parameter.
-//
-// Returns InitWorkerCountDefault if the value is not a positive number.
-func (x *Config) InitWorkerCount() int {
-	d := config.IntSafe(
-		(*config.Config)(x),
-		"init_worker_count",
-	)
-
-	if d > 0 {
-		return int(d)
-	}
-
-	return InitWorkerCountDefault
-}
-
-// RebuildDropTimeout returns the value of "rebuild_drop_timeout" config parameter.
-//
-// Returns RebuildDropTimeoutDefault if the value is not defined or invalid.
-func (x *Config) RebuildDropTimeout() time.Duration {
-	d := config.DurationSafe(
-		(*config.Config)(x),
-		"rebuild_drop_timeout",
-	)
-	if d > 0 {
-		return d
-	}
-	return RebuildDropTimeoutDefault
-}

cmd/frostfs-node/config/engine/shard/blobstor/config.go

@@ -1,33 +0,0 @@
-package blobstorconfig
-
-import (
-	"strconv"
-
-	"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config"
-	"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config/engine/shard/blobstor/storage"
-)
-
-// Config is a wrapper over the config section
-// which provides access to BlobStor configurations.
-type Config config.Config
-
-// From wraps config section into Config.
-func From(c *config.Config) *Config {
-	return (*Config)(c)
-}
-
-// Storages returns the value of storage subcomponents.
-func (x *Config) Storages() []*storage.Config {
-	var ss []*storage.Config
-	for i := 0; ; i++ {
-		typ := config.String(
-			(*config.Config)(x),
-			strconv.Itoa(i)+".type")
-		if typ == "" {
-			return ss
-		}
-
-		sub := storage.From((*config.Config)(x).Sub(strconv.Itoa(i)))
-		ss = append(ss, sub)
-	}
-}

cmd/frostfs-node/config/engine/shard/blobstor/fstree/config.go

@@ -1,47 +0,0 @@
-package fstree
-
-import (
-	"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config"
-	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/blobstor/fstree"
-)
-
-// Config is a wrapper over the config section
-// which provides access to Blobovnicza configurations.
-type Config config.Config
-
-// DepthDefault is a default shallow dir depth.
-const DepthDefault = 4
-
-// From wraps config section into Config.
-func From(c *config.Config) *Config {
-	return (*Config)(c)
-}
-
-// Type returns the storage type.
-func (x *Config) Type() string {
-	return fstree.Type
-}
-
-// Depth returns the value of "depth" config parameter.
-//
-// Returns DepthDefault if the value is out of
-// [1:fstree.MaxDepth] range.
-func (x *Config) Depth() uint64 {
-	d := config.UintSafe(
-		(*config.Config)(x),
-		"depth",
-	)
-
-	if d >= 1 && d <= fstree.MaxDepth {
-		return d
-	}
-
-	return DepthDefault
-}
-
-// NoSync returns the value of "no_sync" config parameter.
-//
-// Returns false if the value is not a boolean or is missing.
-func (x *Config) NoSync() bool {
-	return config.BoolSafe((*config.Config)(x), "no_sync")
-}

cmd/frostfs-node/config/engine/shard/blobstor/storage/config.go

@@ -1,55 +0,0 @@
-package storage
-
-import (
-	"io/fs"
-
-	"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config"
-)
-
-type Config config.Config
-
-// PermDefault are default permission bits for BlobStor data.
-const PermDefault = 0o660
-
-func From(x *config.Config) *Config {
-	return (*Config)(x)
-}
-
-// Type returns storage type.
-func (x *Config) Type() string {
-	return config.String(
-		(*config.Config)(x),
-		"type")
-}
-
-// Path returns the value of "path" config parameter.
-//
-// Panics if the value is not a non-empty string.
-func (x *Config) Path() string {
-	p := config.String(
-		(*config.Config)(x),
-		"path",
-	)
-
-	if p == "" {
-		panic("blobstor path not set")
-	}
-
-	return p
-}
-
-// Perm returns the value of "perm" config parameter as a fs.FileMode.
-//
-// Returns PermDefault if the value is not a non-zero number.
-func (x *Config) Perm() fs.FileMode {
-	p := config.UintSafe(
-		(*config.Config)(x),
-		"perm",
-	)
-
-	if p == 0 {
-		p = PermDefault
-	}
-
-	return fs.FileMode(p)
-}

cmd/frostfs-node/config/engine/shard/config.go

@@ -2,11 +2,8 @@ package shardconfig
 
 import (
 	"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config"
-	blobstorconfig "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config/engine/shard/blobstor"
 	gcconfig "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config/engine/shard/gc"
-	metabaseconfig "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config/engine/shard/metabase"
 	piloramaconfig "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config/engine/shard/pilorama"
-	writecacheconfig "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config/engine/shard/writecache"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/shard/mode"
 )
 
@@ -85,30 +82,6 @@ func (x *Config) SmallSizeLimit() uint64 {
 	return SmallSizeLimitDefault
 }
 
-// BlobStor returns "blobstor" subsection as a blobstorconfig.Config.
-func (x *Config) BlobStor() *blobstorconfig.Config {
-	return blobstorconfig.From(
-		(*config.Config)(x).
-			Sub("blobstor"),
-	)
-}
-
-// Metabase returns "metabase" subsection as a metabaseconfig.Config.
-func (x *Config) Metabase() *metabaseconfig.Config {
-	return metabaseconfig.From(
-		(*config.Config)(x).
-			Sub("metabase"),
-	)
-}
-
-// WriteCache returns "writecache" subsection as a writecacheconfig.Config.
-func (x *Config) WriteCache() *writecacheconfig.Config {
-	return writecacheconfig.From(
-		(*config.Config)(x).
-			Sub("writecache"),
-	)
-}
-
 // Pilorama returns "pilorama" subsection as a piloramaconfig.Config.
 func (x *Config) Pilorama() *piloramaconfig.Config {
 	return piloramaconfig.From(
@@ -125,30 +98,6 @@ func (x *Config) GC() *gcconfig.Config {
 	)
 }
 
-// RefillMetabase returns the value of "resync_metabase" config parameter.
-//
-// Returns false if the value is not a valid bool.
-func (x *Config) RefillMetabase() bool {
-	return config.BoolSafe(
-		(*config.Config)(x),
-		"resync_metabase",
-	)
-}
-
-// RefillMetabaseWorkersCount returns the value of "resync_metabase_worker_count" config parameter.
-//
-// Returns RefillMetabaseWorkersCountDefault if the value is not a positive number.
-func (x *Config) RefillMetabaseWorkersCount() int {
-	v := config.IntSafe(
-		(*config.Config)(x),
-		"resync_metabase_worker_count",
-	)
-	if v > 0 {
-		return int(v)
-	}
-	return RefillMetabaseWorkersCountDefault
-}
-
 // Mode return the value of "mode" config parameter.
 //
 // Panics if read the value is not one of predefined

cmd/frostfs-node/config/engine/shard/metabase/config.go

@@ -1,36 +0,0 @@
-package metabaseconfig
-
-import (
-	"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config"
-	boltdbconfig "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config/engine/shard/boltdb"
-)
-
-// Config is a wrapper over the config section
-// which provides access to Metabase configurations.
-type Config config.Config
-
-// From wraps config section into Config.
-func From(c *config.Config) *Config {
-	return (*Config)(c)
-}
-
-// Path returns the value of "path" config parameter.
-//
-// Panics if the value is not a non-empty string.
-func (x *Config) Path() string {
-	p := config.String(
-		(*config.Config)(x),
-		"path",
-	)
-
-	if p == "" {
-		panic("metabase path not set")
-	}
-
-	return p
-}
-
-// BoltDB returns config instance for querying bolt db specific parameters.
-func (x *Config) BoltDB() *boltdbconfig.Config {
-	return (*boltdbconfig.Config)(x)
-}

cmd/frostfs-node/config/engine/shard/writecache/config.go

@@ -1,140 +0,0 @@
-package writecacheconfig
-
-import (
-	"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config"
-)
-
-// Config is a wrapper over the config section
-// which provides access to WriteCache configurations.
-type Config config.Config
-
-const (
-	// MaxSizeDefault is a default value of the object payload size limit.
-	MaxSizeDefault = 64 << 20
-
-	// WorkersNumberDefault is a default number of workers.
-	WorkersNumberDefault = 20
-
-	// SizeLimitDefault is a default write-cache size limit.
-	SizeLimitDefault = 1 << 30
-
-	// CountLimitDefault is a default write-cache count limit.
-	CountLimitDefault = 0
-
-	MaxFlushingObjectsSizeDefault = 128 << 20
-)
-
-// From wraps config section into Config.
-func From(c *config.Config) *Config {
-	return (*Config)(c)
-}
-
-// Enabled returns true if write-cache is enabled and false otherwise.
-//
-// Panics if the value is not a boolean.
-func (x *Config) Enabled() bool {
-	return config.Bool((*config.Config)(x), "enabled")
-}
-
-// Path returns the value of "path" config parameter.
-//
-// Panics if the value is not a non-empty string.
-func (x *Config) Path() string {
-	p := config.String(
-		(*config.Config)(x),
-		"path",
-	)
-
-	if p == "" {
-		panic("write cache path not set")
-	}
-
-	return p
-}
-
-// MaxObjectSize returns the value of "max_object_size" config parameter.
-//
-// Returns MaxSizeDefault if the value is not a positive number.
-func (x *Config) MaxObjectSize() uint64 {
-	s := config.SizeInBytesSafe(
-		(*config.Config)(x),
-		"max_object_size",
-	)
-
-	if s > 0 {
-		return s
-	}
-
-	return MaxSizeDefault
-}
-
-// WorkerCount returns the value of "flush_worker_count" config parameter.
-//
-// Returns WorkersNumberDefault if the value is not a positive number.
-func (x *Config) WorkerCount() int {
-	c := config.IntSafe(
-		(*config.Config)(x),
-		"flush_worker_count",
-	)
-
-	if c > 0 {
-		return int(c)
-	}
-
-	return WorkersNumberDefault
-}
-
-// SizeLimit returns the value of "capacity" config parameter.
-//
-// Returns SizeLimitDefault if the value is not a positive number.
-func (x *Config) SizeLimit() uint64 {
-	c := config.SizeInBytesSafe(
-		(*config.Config)(x),
-		"capacity",
-	)
-
-	if c > 0 {
-		return c
-	}
-
-	return SizeLimitDefault
-}
-
-// CountLimit returns the value of "max_object_count" config parameter.
-//
-// Returns CountLimitDefault if the value is not a positive number.
-func (x *Config) CountLimit() uint64 {
-	c := config.SizeInBytesSafe(
-		(*config.Config)(x),
-		"max_object_count",
-	)
-
-	if c > 0 {
-		return c
-	}
-
-	return CountLimitDefault
-}
-
-// NoSync returns the value of "no_sync" config parameter.
-//
-// Returns false if the value is not a boolean.
-func (x *Config) NoSync() bool {
-	return config.BoolSafe((*config.Config)(x), "no_sync")
-}
-
-// MaxFlushingObjectsSize returns the value of "max_flushing_objects_size" config parameter.
-//
-// Returns MaxFlushingObjectsSizeDefault if the value is not a positive number.
-func (x *Config) MaxFlushingObjectsSize() uint64 {
-	s := config.SizeInBytesSafe(
-		(*config.Config)(x),
-		"max_flushing_objects_size",
-	)
-
-	if s > 0 {
-		return s
-	}
-
-	return MaxFlushingObjectsSizeDefault
-}

cmd/frostfs-node/validate.go

@@ -9,8 +9,6 @@ import (
 	shardconfig "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config/engine/shard"
 	loggerconfig "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config/logger"
 	treeconfig "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config/tree"
-	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/blobstor/blobovniczatree"
-	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/blobstor/fstree"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/util/logger"
 )
 
@@ -35,17 +33,6 @@ func validateConfig(c *config.Config) error {
 	shardNum := 0
 	paths := make(map[string]pathDescription)
 	return engineconfig.IterateShards(c, false, func(sc *shardconfig.Config) error {
-		if sc.WriteCache().Enabled() {
-			err := addPath(paths, "writecache", shardNum, sc.WriteCache().Path())
-			if err != nil {
-				return err
-			}
-		}
-
-		if err := addPath(paths, "metabase", shardNum, sc.Metabase().Path()); err != nil {
-			return err
-		}
-
 		treeConfig := treeconfig.Tree(c)
 		if treeConfig.Enabled() {
 			err := addPath(paths, "pilorama", shardNum, sc.Pilorama().Path())
@@ -54,30 +41,6 @@ func validateConfig(c *config.Config) error {
 			}
 		}
 
-		blobstor := sc.BlobStor().Storages()
-		if len(blobstor) != 2 {
-			return fmt.Errorf("blobstor section must have 2 components, got: %d", len(blobstor))
-		}
-		for i := range blobstor {
-			switch blobstor[i].Type() {
-			case fstree.Type, blobovniczatree.Type:
-			default:
-				return fmt.Errorf("unexpected storage type: %s (shard %d)", blobstor[i].Type(), shardNum)
-			}
-			if blobstor[i].Perm()&0o600 != 0o600 {
-				return fmt.Errorf("invalid permissions for blobstor component: %s, "+
-					"expected at least rw- for the owner (shard %d)",
-					blobstor[i].Perm(), shardNum)
-			}
-			if blobstor[i].Path() == "" {
-				return fmt.Errorf("blobstor component path is empty (shard %d)", shardNum)
-			}
-			err := addPath(paths, fmt.Sprintf("blobstor[%d]", i), shardNum, blobstor[i].Path())
-			if err != nil {
-				return err
-			}
-		}
-
 		shardNum++
 		return nil
 	})