[#661] blobovniczatree: Add Rebuild implementation

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

internal/logs/logs.go

@@ -531,4 +531,10 @@ const (
 	BlobovniczaTreeFixingFileExtensionFailed                                = "failed to fix blobovnicza file extension"
 	BlobstorRebuildFailedToRebuildStorages                                  = "failed to rebuild storages"
 	BlobstorRebuildRebuildStoragesCompleted                                 = "storages rebuild completed"
+	BlobovniczaTreeCollectingDBToRebuild                                    = "collecting blobovniczas to rebuild..."
+	BlobovniczaTreeCollectingDBToRebuildFailed                              = "collecting blobovniczas to rebuild failed"
+	BlobovniczaTreeCollectingDBToRebuildSuccess                             = "collecting blobovniczas to rebuild completed successfully"
+	BlobovniczaTreeRebuildingBlobovnicza                                    = "rebuilding blobovnicza..."
+	BlobovniczaTreeRebuildingBlobovniczaFailed                              = "rebuilding blobovnicza failed"
+	BlobovniczaTreeRebuildingBlobovniczaSuccess                             = "rebuilding blobovnicza completed successfully"
 )

pkg/local_object_storage/blobstor/blobovniczatree/active.go

@@ -21,8 +21,8 @@ func (db *activeDB) Close() {
 	db.shDB.Close()
 }
 
-func (db *activeDB) Path() string {
-	return db.shDB.Path()
+func (db *activeDB) SystemPath() string {
+	return db.shDB.SystemPath()
 }
 
 // activeDBManager manages active blobovnicza instances (that is, those that are being used for Put).
@@ -192,7 +192,7 @@ func (m *activeDBManager) hasActiveDB(lvlPath string) (bool, uint64) {
 	if !ok {
 		return false, 0
 	}
-	return true, u64FromHexString(filepath.Base(db.Path()))
+	return true, u64FromHexString(filepath.Base(db.SystemPath()))
 }
 
 func (m *activeDBManager) replace(lvlPath string, shDB *sharedDB) (*sharedDB, bool) {

pkg/local_object_storage/blobstor/blobovniczatree/blobovnicza.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"strconv"
 	"strings"
+	"sync"
 
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/blobstor/common"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/blobstor/compression"
@@ -58,6 +59,8 @@ type Blobovniczas struct {
 	commondbManager *dbManager
 	activeDBManager *activeDBManager
 	dbCache         *dbCache
+	dbFilesGuard    *sync.RWMutex
+	rebuildGuard    *sync.RWMutex
 }
 
 var _ common.Storage = (*Blobovniczas)(nil)
@@ -84,6 +87,8 @@ func NewBlobovniczaTree(opts ...Option) (blz *Blobovniczas) {
 	blz.commondbManager = newDBManager(blz.rootPath, blz.blzOpts, blz.readOnly, blz.metrics.Blobovnicza(), blz.log)
 	blz.activeDBManager = newActiveDBManager(blz.commondbManager, blz.blzLeafWidth)
 	blz.dbCache = newDBCache(blz.openedCacheSize, blz.commondbManager)
+	blz.dbFilesGuard = &sync.RWMutex{}
+	blz.rebuildGuard = &sync.RWMutex{}
 
 	return blz
 }

pkg/local_object_storage/blobstor/blobovniczatree/cache.go

@@ -15,8 +15,9 @@ import (
 type dbCache struct {
 	cacheGuard *sync.RWMutex
 	cache      simplelru.LRUCache[string, *sharedDB]
-	pathLock   *utilSync.KeyLocker[string]
+	pathLock   *utilSync.KeyLocker[string] // the order of locks is important: pathLock first, cacheGuard second
 	closed     bool
+	nonCached  map[string]struct{}
 
 	dbManager *dbManager
 }
@@ -34,6 +35,7 @@ func newDBCache(size int, dbManager *dbManager) *dbCache {
 		cache:      cache,
 		dbManager:  dbManager,
 		pathLock:   utilSync.NewKeyLocker[string](),
+		nonCached:  make(map[string]struct{}),
 	}
 }
 
@@ -59,6 +61,27 @@ func (c *dbCache) GetOrCreate(path string) *sharedDB {
 	return c.create(path)
 }
 
+func (c *dbCache) EvictAndMarkNonCached(path string) {
+	c.pathLock.Lock(path)
+	defer c.pathLock.Unlock(path)
+
+	c.cacheGuard.Lock()
+	defer c.cacheGuard.Unlock()
+
+	c.cache.Remove(path)
+	c.nonCached[path] = struct{}{}
+}
+
+func (c *dbCache) RemoveFromNonCached(path string) {
+	c.pathLock.Lock(path)
+	defer c.pathLock.Unlock(path)
+
+	c.cacheGuard.Lock()
+	defer c.cacheGuard.Unlock()
+
+	delete(c.nonCached, path)
+}
+
 func (c *dbCache) getExisted(path string) *sharedDB {
 	c.cacheGuard.Lock()
 	defer c.cacheGuard.Unlock()
@@ -94,7 +117,9 @@ func (c *dbCache) put(path string, db *sharedDB) bool {
 	c.cacheGuard.Lock()
 	defer c.cacheGuard.Unlock()
 
-	if !c.closed {
+	_, isNonCached := c.nonCached[path]
+
+	if !isNonCached && !c.closed {
 		c.cache.Add(path, db)
 		return true
 	}

pkg/local_object_storage/blobstor/blobovniczatree/delete.go

@@ -43,6 +43,12 @@ func (b *Blobovniczas) Delete(ctx context.Context, prm common.DeletePrm) (res co
 		return common.DeleteRes{}, common.ErrReadOnly
 	}
 
+	if b.rebuildGuard.TryRLock() {
+		defer b.rebuildGuard.RUnlock()
+	} else {
+		return common.DeleteRes{}, errRebuildInProgress
+	}
+
 	var bPrm blobovnicza.DeletePrm
 	bPrm.SetAddress(prm.Address)
 

pkg/local_object_storage/blobstor/blobovniczatree/iterate.go

@@ -181,6 +181,11 @@ func (b *Blobovniczas) iterateExistingDBPaths(ctx context.Context, f func(string
 }
 
 func (b *Blobovniczas) iterateExistingDBPathsDFS(ctx context.Context, path string, f func(string) (bool, error)) (bool, error) {
+	if path == "" {
+		b.dbFilesGuard.RLock()
+		defer b.dbFilesGuard.RUnlock()
+	}
+
 	sysPath := filepath.Join(b.rootPath, path)
 	entries, err := os.ReadDir(sysPath)
 	if os.IsNotExist(err) && b.readOnly && path == "" { // non initialized tree in read only mode
@@ -222,6 +227,11 @@ func (b *Blobovniczas) iterateSortedDBPaths(ctx context.Context, addr oid.Addres
 }
 
 func (b *Blobovniczas) iterateSordedDBPathsInternal(ctx context.Context, path string, addr oid.Address, f func(string) (bool, error)) (bool, error) {
+	if path == "" {
+		b.dbFilesGuard.RLock()
+		defer b.dbFilesGuard.RUnlock()
+	}
+
 	sysPath := filepath.Join(b.rootPath, path)
 	entries, err := os.ReadDir(sysPath)
 	if os.IsNotExist(err) && b.readOnly && path == "" { // non initialized tree in read only mode

pkg/local_object_storage/blobstor/blobovniczatree/manager.go

@@ -1,7 +1,9 @@
 package blobovniczatree
 
 import (
+	"errors"
 	"fmt"
+	"os"
 	"path/filepath"
 	"sync"
 	"sync/atomic"
@@ -12,9 +14,11 @@ import (
 	"go.uber.org/zap"
 )
 
+var errClosingClosedBlobovnicza = errors.New("closing closed blobovnicza is not allowed")
+
 // sharedDB is responsible for opening and closing a file of single blobovnicza.
 type sharedDB struct {
-	guard    *sync.RWMutex
+	cond     *sync.Cond
 	blcza    *blobovnicza.Blobovnicza
 	refCount uint32
 
@@ -31,8 +35,9 @@ func newSharedDB(options []blobovnicza.Option, path string, readOnly bool,
 	metrics blobovnicza.Metrics, openDBCounter *openDBCounter, closedFlag *atomic.Bool, log *logger.Logger,
 ) *sharedDB {
 	return &sharedDB{
-		guard: &sync.RWMutex{},
-
+		cond: &sync.Cond{
+			L: &sync.RWMutex{},
+		},
 		options:       options,
 		path:          path,
 		readOnly:      readOnly,
@@ -48,8 +53,8 @@ func (b *sharedDB) Open() (*blobovnicza.Blobovnicza, error) {
 		return nil, errClosed
 	}
 
-	b.guard.Lock()
-	defer b.guard.Unlock()
+	b.cond.L.Lock()
+	defer b.cond.L.Unlock()
 
 	if b.refCount > 0 {
 		b.refCount++
@@ -77,11 +82,12 @@ func (b *sharedDB) Open() (*blobovnicza.Blobovnicza, error) {
 }
 
 func (b *sharedDB) Close() {
-	b.guard.Lock()
-	defer b.guard.Unlock()
+	b.cond.L.Lock()
+	defer b.cond.L.Unlock()
 
 	if b.refCount == 0 {
 		b.log.Error(logs.AttemtToCloseAlreadyClosedBlobovnicza, zap.String("id", b.path))
+		b.cond.Broadcast()
 		return
 	}
 
@@ -99,9 +105,38 @@ func (b *sharedDB) Close() {
 	}
 
 	b.refCount--
+	if b.refCount == 1 {
+		b.cond.Broadcast()
+	}
 }
 
-func (b *sharedDB) Path() string {
+func (b *sharedDB) CloseAndRemoveFile() error {
+	b.cond.L.Lock()
+	if b.refCount > 1 {
+		b.cond.Wait()
+	}
+	defer b.cond.L.Unlock()
+
+	if b.refCount == 0 {
+		return errClosingClosedBlobovnicza
+	}
+
+	if err := b.blcza.Close(); err != nil {
+		b.log.Error(logs.BlobovniczatreeCouldNotCloseBlobovnicza,
+			zap.String("id", b.path),
+			zap.String("error", err.Error()),
+		)
+		return fmt.Errorf("failed to close blobovnicza (path = %s): %w", b.path, err)
+	}
+
+	b.refCount = 0
+	b.blcza = nil
+	b.openDBCounter.Dec()
+
+	return os.Remove(b.path)
+}
+
+func (b *sharedDB) SystemPath() string {
 	return b.path
 }
 
@@ -166,6 +201,13 @@ func (m *levelDbManager) getOrCreateDB(idx uint64) *sharedDB {
 	return db
 }
 
+func (m *levelDbManager) hasAnyDB() bool {
+	m.dbMtx.RLock()
+	defer m.dbMtx.RUnlock()
+
+	return len(m.databases) > 0
+}
+
 // dbManager manages the opening and closing of blobovnicza instances.
 //
 // The blobovnicza opens at the first request, closes after the last request.
@@ -203,6 +245,17 @@ func (m *dbManager) GetByPath(path string) *sharedDB {
 	return levelManager.GetByIndex(curIndex)
 }
 
+func (m *dbManager) CleanResources(path string) {
+	lvlPath := filepath.Dir(path)
+
+	m.levelToManagerGuard.Lock()
+	defer m.levelToManagerGuard.Unlock()
+
+	if result, ok := m.levelToManager[lvlPath]; ok && !result.hasAnyDB() {
+		delete(m.levelToManager, lvlPath)
+	}
+}
+
 func (m *dbManager) Open() {
 	m.closedFlag.Store(false)
 }

pkg/local_object_storage/blobstor/blobovniczatree/option.go

@@ -2,6 +2,7 @@ package blobovniczatree
 
 import (
 	"io/fs"
+	"time"
 
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/blobovnicza"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/blobstor/compression"
@@ -21,28 +22,31 @@ type cfg struct {
 	compression     *compression.Config
 	blzOpts         []blobovnicza.Option
 	// reportError is the function called when encountering disk errors.
-	reportError func(string, error)
-	metrics     Metrics
+	reportError      func(string, error)
+	metrics          Metrics
+	waitBeforeDropDB time.Duration
 }
 
 type Option func(*cfg)
 
 const (
-	defaultPerm            = 0o700
-	defaultOpenedCacheSize = 50
-	defaultBlzShallowDepth = 2
-	defaultBlzShallowWidth = 16
+	defaultPerm             = 0o700
+	defaultOpenedCacheSize  = 50
+	defaultBlzShallowDepth  = 2
+	defaultBlzShallowWidth  = 16
+	defaultWaitBeforeDropDB = 10 * time.Second
 )
 
 func initConfig(c *cfg) {
 	*c = cfg{
-		log:             &logger.Logger{Logger: zap.L()},
-		perm:            defaultPerm,
-		openedCacheSize: defaultOpenedCacheSize,
-		blzShallowDepth: defaultBlzShallowDepth,
-		blzShallowWidth: defaultBlzShallowWidth,
-		reportError:     func(string, error) {},
-		metrics:         &noopMetrics{},
+		log:              &logger.Logger{Logger: zap.L()},
+		perm:             defaultPerm,
+		openedCacheSize:  defaultOpenedCacheSize,
+		blzShallowDepth:  defaultBlzShallowDepth,
+		blzShallowWidth:  defaultBlzShallowWidth,
+		reportError:      func(string, error) {},
+		metrics:          &noopMetrics{},
+		waitBeforeDropDB: defaultWaitBeforeDropDB,
 	}
 }
 
@@ -106,3 +110,9 @@ func WithMetrics(m Metrics) Option {
 		c.metrics = m
 	}
 }
+
+func WithWaitBeforeDropDB(t time.Duration) Option {
+	return func(c *cfg) {
+		c.waitBeforeDropDB = t
+	}
+}

pkg/local_object_storage/blobstor/blobovniczatree/put.go

@@ -104,7 +104,7 @@ func (i *putIterator) iterate(ctx context.Context, lvlPath string) (bool, error)
 			i.B.reportError(logs.BlobovniczatreeCouldNotPutObjectToActiveBlobovnicza, err)
 		} else {
 			i.B.log.Debug(logs.BlobovniczatreeCouldNotPutObjectToActiveBlobovnicza,
-				zap.String("path", active.Path()),
+				zap.String("path", active.SystemPath()),
 				zap.String("error", err.Error()),
 				zap.String("trace_id", tracingPkg.GetTraceID(ctx)))
 		}
@@ -112,7 +112,7 @@ func (i *putIterator) iterate(ctx context.Context, lvlPath string) (bool, error)
 		return false, nil
 	}
 
-	idx := u64FromHexString(filepath.Base(active.Path()))
+	idx := u64FromHexString(filepath.Base(active.SystemPath()))
 	i.ID = NewIDFromBytes([]byte(filepath.Join(lvlPath, u64ToHexString(idx))))
 
 	return true, nil

pkg/local_object_storage/blobstor/blobovniczatree/rebuild.go

@@ -2,10 +2,160 @@ package blobovniczatree
 
 import (
 	"context"
+	"errors"
+	"os"
+	"path/filepath"
+	"time"
 
+	"git.frostfs.info/TrueCloudLab/frostfs-node/internal/logs"
+	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/blobovnicza"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/blobstor/common"
+	oid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id"
+	"go.uber.org/zap"
 )
 
-func (b *Blobovniczas) Rebuild(_ context.Context, _ common.RebuildPrm) (common.RebuildRes, error) {
-	return common.RebuildRes{}, nil
+var errRebuildInProgress = errors.New("rebuild is in progress, the operation cannot be performed")
+
+func (b *Blobovniczas) Rebuild(ctx context.Context, prm common.RebuildPrm) (common.RebuildRes, error) {
+	if b.readOnly {
+		return common.RebuildRes{}, common.ErrReadOnly
+	}
+
+	b.rebuildGuard.Lock()
+	defer b.rebuildGuard.Unlock()
+
+	b.log.Debug(logs.BlobovniczaTreeCollectingDBToRebuild)
+	var res common.RebuildRes
+	dbsToMigrate, err := b.getDBsToRebuild(ctx)
+	if err != nil {
+		b.log.Warn(logs.BlobovniczaTreeCollectingDBToRebuildFailed, zap.Error(err))
+		return res, err
+	}
+	b.log.Info(logs.BlobovniczaTreeCollectingDBToRebuildSuccess, zap.Int("blobovniczas_to_rebuild", len(dbsToMigrate)))
+	for _, db := range dbsToMigrate {
+		b.log.Debug(logs.BlobovniczaTreeRebuildingBlobovnicza, zap.String("path", db))
+		movedObjects, err := b.rebuildDB(ctx, db, prm.MetaStorage)
+		res.ObjectsMoved += movedObjects
+		if err != nil {
+			b.log.Warn(logs.BlobovniczaTreeRebuildingBlobovniczaFailed, zap.String("path", db), zap.Uint64("moved_objects_count", movedObjects), zap.Error(err))
+			return res, err
+		}
+		b.log.Debug(logs.BlobovniczaTreeRebuildingBlobovniczaSuccess, zap.String("path", db), zap.Uint64("moved_objects_count", movedObjects))
+		res.FilesRemoved++
+	}
+
+	return res, nil
+}
+
+func (b *Blobovniczas) getDBsToRebuild(ctx context.Context) ([]string, error) {
+	dbsToMigrate := make(map[string]struct{})
+	if err := b.iterateExistingDBPaths(ctx, func(s string) (bool, error) {
+		dbsToMigrate[s] = struct{}{}
+		return false, nil
+	}); err != nil {
+		return nil, err
+	}
+	if err := b.iterateSortedLeaves(ctx, nil, func(s string) (bool, error) {
+		delete(dbsToMigrate, s)
+		return false, nil
+	}); err != nil {
+		return nil, err
+	}
+	result := make([]string, 0, len(dbsToMigrate))
+	for db := range dbsToMigrate {
+		result = append(result, db)
+	}
+	return result, nil
+}
+
+func (b *Blobovniczas) rebuildDB(ctx context.Context, path string, meta common.MetaStorage) (uint64, error) {
+	shDB := b.getBlobovnicza(path)
+	blz, err := shDB.Open()
+	if err != nil {
+		return 0, err
+	}
+	shDBClosed := false
+	defer func() {
+		if shDBClosed {
+			return
+		}
+		shDB.Close()
+	}()
+
+	migratedObjects, err := b.moveObjects(ctx, blz, meta)
+	if err != nil {
+		return migratedObjects, err
+	}
+	shDBClosed, err = b.dropDB(ctx, path, shDB)
+	return migratedObjects, err
+}
+
+func (b *Blobovniczas) moveObjects(ctx context.Context, blz *blobovnicza.Blobovnicza, meta common.MetaStorage) (uint64, error) {
+	var result uint64
+
+	var prm blobovnicza.IteratePrm
+	prm.DecodeAddresses()
+	prm.SetHandler(func(ie blobovnicza.IterationElement) error {
+		e := b.moveObject(ctx, ie.Address(), ie.ObjectData(), meta)
+		if e == nil {
+			result++
+		}
+		return e
+	})
+
+	_, err := blz.Iterate(ctx, prm)
+	return result, err
+}
+
+func (b *Blobovniczas) moveObject(ctx context.Context, addr oid.Address, data []byte, metaStore common.MetaStorage) error {
+	var pPrm common.PutPrm
+	pPrm.Address = addr
+	pPrm.RawData = data
+	pRes, err := b.Put(ctx, pPrm)
+	if err != nil {
+		return err
+	}
+	return metaStore.UpdateStorageID(ctx, addr, pRes.StorageID)
+}
+
+func (b *Blobovniczas) dropDB(ctx context.Context, path string, shDb *sharedDB) (bool, error) {
+	select {
+	case <-ctx.Done():
+		return false, ctx.Err()
+	case <-time.After(b.waitBeforeDropDB): // to complete requests with old storage ID
+	}
+
+	b.dbCache.EvictAndMarkNonCached(path)
+	defer b.dbCache.RemoveFromNonCached(path)
+
+	b.dbFilesGuard.Lock()
+	defer b.dbFilesGuard.Unlock()
+
+	if err := shDb.CloseAndRemoveFile(); err != nil {
+		return false, err
+	}
+	b.commondbManager.CleanResources(path)
+	if err := b.dropDirectoryIfEmpty(filepath.Dir(path)); err != nil {
+		return true, err
+	}
+	return true, nil
+}
+
+func (b *Blobovniczas) dropDirectoryIfEmpty(path string) error {
+	if path == "." {
+		return nil
+	}
+
+	sysPath := filepath.Join(b.rootPath, path)
+	entries, err := os.ReadDir(sysPath)
+	if err != nil {
+		return err
+	}
+	if len(entries) > 0 {
+		return nil
+	}
+	if err := os.Remove(sysPath); err != nil {
+		return err
+	}
+	return b.dropDirectoryIfEmpty(filepath.Dir(path))
 }

pkg/local_object_storage/blobstor/blobovniczatree/rebuild_test.go

@@ -0,0 +1,132 @@
+package blobovniczatree
+
+import (
+	"context"
+	"sync"
+	"testing"
+
+	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/object"
+	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/blobstor/common"
+	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/blobstor/internal/blobstortest"
+	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/util/logger/test"
+	oid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id"
+	"github.com/stretchr/testify/require"
+	"golang.org/x/sync/errgroup"
+)
+
+func TestBlobovniczaTreeRebuild(t *testing.T) {
+	t.Parallel()
+
+	t.Run("width increased", func(t *testing.T) {
+		t.Parallel()
+		testBlobovniczaTreeRebuildHelper(t, 2, 2, 2, 3, false)
+	})
+
+	t.Run("width reduced", func(t *testing.T) {
+		t.Parallel()
+		testBlobovniczaTreeRebuildHelper(t, 2, 2, 2, 1, true)
+	})
+
+	t.Run("depth increased", func(t *testing.T) {
+		t.Parallel()
+		testBlobovniczaTreeRebuildHelper(t, 1, 2, 2, 2, true)
+	})
+
+	t.Run("depth reduced", func(t *testing.T) {
+		t.Parallel()
+		testBlobovniczaTreeRebuildHelper(t, 2, 2, 1, 2, true)
+	})
+}
+
+func testBlobovniczaTreeRebuildHelper(t *testing.T, sourceDepth, sourceWidth, targetDepth, targetWidth uint64, shouldMigrate bool) {
+	dir := t.TempDir()
+	b := NewBlobovniczaTree(
+		WithLogger(test.NewLogger(t, true)),
+		WithObjectSizeLimit(2048),
+		WithBlobovniczaShallowWidth(sourceWidth),
+		WithBlobovniczaShallowDepth(sourceDepth),
+		WithRootPath(dir),
+		WithBlobovniczaSize(100*1024*1024),
+		WithWaitBeforeDropDB(0),
+		WithOpenedCacheSize(1000))
+	require.NoError(t, b.Open(false))
+	require.NoError(t, b.Init())
+
+	eg, egCtx := errgroup.WithContext(context.Background())
+	storageIDs := make(map[oid.Address][]byte)
+	storageIDsGuard := &sync.Mutex{}
+	for i := 0; i < 1000; i++ {
+		eg.Go(func() error {
+			obj := blobstortest.NewObject(1024)
+			data, err := obj.Marshal()
+			if err != nil {
+				return err
+			}
+			var prm common.PutPrm
+			prm.Address = object.AddressOf(obj)
+			prm.RawData = data
+			res, err := b.Put(egCtx, prm)
+			if err != nil {
+				return err
+			}
+			storageIDsGuard.Lock()
+			storageIDs[prm.Address] = res.StorageID
+			storageIDsGuard.Unlock()
+			return nil
+		})
+	}
+
+	require.NoError(t, eg.Wait())
+	require.NoError(t, b.Close())
+
+	b = NewBlobovniczaTree(
+		WithLogger(test.NewLogger(t, true)),
+		WithObjectSizeLimit(2048),
+		WithBlobovniczaShallowWidth(targetWidth),
+		WithBlobovniczaShallowDepth(targetDepth),
+		WithRootPath(dir),
+		WithBlobovniczaSize(100*1024*1024),
+		WithWaitBeforeDropDB(0),
+		WithOpenedCacheSize(1000))
+	require.NoError(t, b.Open(false))
+	require.NoError(t, b.Init())
+
+	for addr, storageID := range storageIDs {
+		var gPrm common.GetPrm
+		gPrm.Address = addr
+		gPrm.StorageID = storageID
+		_, err := b.Get(context.Background(), gPrm)
+		require.NoError(t, err)
+	}
+
+	metaStub := &storageIDUpdateStub{
+		storageIDs: storageIDs,
+	}
+	var rPrm common.RebuildPrm
+	rPrm.MetaStorage = metaStub
+	rRes, err := b.Rebuild(context.Background(), rPrm)
+	require.NoError(t, err)
+	dataMigrated := rRes.ObjectsMoved > 0 || rRes.FilesRemoved > 0 || metaStub.updatedCount > 0
+	require.Equal(t, shouldMigrate, dataMigrated)
+
+	for addr, storageID := range storageIDs {
+		var gPrm common.GetPrm
+		gPrm.Address = addr
+		gPrm.StorageID = storageID
+		_, err := b.Get(context.Background(), gPrm)
+		require.NoError(t, err)
+	}
+
+	require.NoError(t, b.Close())
+}
+
+type storageIDUpdateStub struct {
+	storageIDs   map[oid.Address][]byte
+	updatedCount uint64
+}
+
+func (s *storageIDUpdateStub) UpdateStorageID(ctx context.Context, addr oid.Address, storageID []byte) error {
+	s.storageIDs[addr] = storageID
+	s.updatedCount++
+	return nil
+}

pkg/local_object_storage/blobstor/common/rebuild.go

@@ -3,7 +3,7 @@ package common
 import (
 	"context"
 
-	objectSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object"
+	oid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id"
 )
 
 type RebuildRes struct {
@@ -16,5 +16,5 @@ type RebuildPrm struct {
 }
 
 type MetaStorage interface {
-	UpdateStorageID(ctx context.Context, obj *objectSDK.Object, storageID []byte) error
+	UpdateStorageID(ctx context.Context, addr oid.Address, storageID []byte) error
 }

pkg/local_object_storage/blobstor/rebuild.go

@@ -5,12 +5,12 @@ import (
 
 	"git.frostfs.info/TrueCloudLab/frostfs-node/internal/logs"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/blobstor/common"
-	objectSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object"
+	oid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id"
 	"go.uber.org/zap"
 )
 
 type StorageIDUpdate interface {
-	UpdateStorageID(ctx context.Context, obj *objectSDK.Object, storageID []byte) error
+	UpdateStorageID(ctx context.Context, addr oid.Address, storageID []byte) error
 }
 
 func (b *BlobStor) Rebuild(ctx context.Context, upd StorageIDUpdate) error {

pkg/local_object_storage/shard/rebuilder.go

@@ -9,7 +9,7 @@ import (
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/blobstor"
 	meta "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/metabase"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/util/logger"
-	objectSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object"
+	oid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id"
 	"go.uber.org/zap"
 )
 
@@ -77,13 +77,20 @@ type mbStorageIDUpdate struct {
 	mb *meta.DB
 }
 
-func (u *mbStorageIDUpdate) UpdateStorageID(ctx context.Context, obj *objectSDK.Object, storageID []byte) error {
+func (u *mbStorageIDUpdate) UpdateStorageID(ctx context.Context, addr oid.Address, storageID []byte) error {
+	select {
+	case <-ctx.Done():
+		return ctx.Err()
+	default:
+	}
+
 	if u.mb == nil {
 		return errMBIsNotAvailable
 	}
-	var prm meta.PutPrm
-	prm.SetObject(obj)
+
+	var prm meta.UpdateStorageIDPrm
+	prm.SetAddress(addr)
 	prm.SetStorageID(storageID)
-	_, err := u.mb.Put(ctx, prm)
+	_, err := u.mb.UpdateStorageID(ctx, prm)
 	return err
 }