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f939d1c183
Do completely independent multipart uploads. In distributed mode, a lock was held to merge each multipart upload as it was added. This lock was highly contested and retries are expensive (timewise) in distributed mode. Instead, each part adds its metadata information uniquely. This eliminates the per object lock required for each to merge. The metadata is read back and merged by "CompleteMultipartUpload" without locks when constructing final object. Co-authored-by: Harshavardhana <harsha@minio.io>
282 lines
9.8 KiB
Go
282 lines
9.8 KiB
Go
// Copyright (c) 2015-2021 MinIO, Inc.
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//
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// This file is part of MinIO Object Storage stack
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package cmd
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import (
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"context"
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"io"
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"time"
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"github.com/minio/madmin-go"
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)
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// StorageAPI interface.
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type StorageAPI interface {
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// Stringified version of disk.
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String() string
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// Storage operations.
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// Returns true if disk is online and its valid i.e valid format.json.
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// This has nothing to do with if the drive is hung or not responding.
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// For that individual storage API calls will fail properly. The purpose
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// of this function is to know if the "drive" has "format.json" or not
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// if it has a "format.json" then is it correct "format.json" or not.
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IsOnline() bool
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// Returns the last time this disk (re)-connected
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LastConn() time.Time
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// Indicates if disk is local or not.
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IsLocal() bool
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// Returns hostname if disk is remote.
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Hostname() string
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// Returns the entire endpoint.
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Endpoint() Endpoint
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// Close the disk, mark it purposefully closed, only implemented for remote disks.
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Close() error
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// Returns the unique 'uuid' of this disk.
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GetDiskID() (string, error)
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// Set a unique 'uuid' for this disk, only used when
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// disk is replaced and formatted.
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SetDiskID(id string)
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// Returns healing information for a newly replaced disk,
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// returns 'nil' once healing is complete or if the disk
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// has never been replaced.
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Healing() *healingTracker
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DiskInfo(ctx context.Context) (info DiskInfo, err error)
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NSScanner(ctx context.Context, cache dataUsageCache, updates chan<- dataUsageEntry, scanMode madmin.HealScanMode) (dataUsageCache, error)
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// Volume operations.
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MakeVol(ctx context.Context, volume string) (err error)
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MakeVolBulk(ctx context.Context, volumes ...string) (err error)
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ListVols(ctx context.Context) (vols []VolInfo, err error)
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StatVol(ctx context.Context, volume string) (vol VolInfo, err error)
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DeleteVol(ctx context.Context, volume string, forceDelete bool) (err error)
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// WalkDir will walk a directory on disk and return a metacache stream on wr.
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WalkDir(ctx context.Context, opts WalkDirOptions, wr io.Writer) error
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// Metadata operations
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DeleteVersion(ctx context.Context, volume, path string, fi FileInfo, forceDelMarker bool) error
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DeleteVersions(ctx context.Context, volume string, versions []FileInfoVersions) []error
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WriteMetadata(ctx context.Context, volume, path string, fi FileInfo) error
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UpdateMetadata(ctx context.Context, volume, path string, fi FileInfo) error
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ReadVersion(ctx context.Context, volume, path, versionID string, readData bool) (FileInfo, error)
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ReadXL(ctx context.Context, volume, path string, readData bool) (RawFileInfo, error)
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RenameData(ctx context.Context, srcVolume, srcPath string, fi FileInfo, dstVolume, dstPath string) error
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// File operations.
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ListDir(ctx context.Context, volume, dirPath string, count int) ([]string, error)
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ReadFile(ctx context.Context, volume string, path string, offset int64, buf []byte, verifier *BitrotVerifier) (n int64, err error)
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AppendFile(ctx context.Context, volume string, path string, buf []byte) (err error)
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CreateFile(ctx context.Context, volume, path string, size int64, reader io.Reader) error
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ReadFileStream(ctx context.Context, volume, path string, offset, length int64) (io.ReadCloser, error)
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RenameFile(ctx context.Context, srcVolume, srcPath, dstVolume, dstPath string) error
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CheckParts(ctx context.Context, volume string, path string, fi FileInfo) error
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Delete(ctx context.Context, volume string, path string, deleteOpts DeleteOptions) (err error)
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VerifyFile(ctx context.Context, volume, path string, fi FileInfo) error
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StatInfoFile(ctx context.Context, volume, path string, glob bool) (stat []StatInfo, err error)
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ReadMultiple(ctx context.Context, req ReadMultipleReq, resp chan<- ReadMultipleResp) error
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// Write all data, syncs the data to disk.
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// Should be used for smaller payloads.
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WriteAll(ctx context.Context, volume string, path string, b []byte) (err error)
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// Read all.
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ReadAll(ctx context.Context, volume string, path string) (buf []byte, err error)
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GetDiskLoc() (poolIdx, setIdx, diskIdx int) // Retrieve location indexes.
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SetDiskLoc(poolIdx, setIdx, diskIdx int) // Set location indexes.
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}
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type unrecognizedDisk struct {
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storage StorageAPI
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}
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func (p *unrecognizedDisk) WalkDir(ctx context.Context, opts WalkDirOptions, wr io.Writer) (err error) {
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return errDiskNotFound
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}
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func (p *unrecognizedDisk) String() string {
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return p.storage.String()
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}
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func (p *unrecognizedDisk) IsOnline() bool {
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return false
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}
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func (p *unrecognizedDisk) LastConn() time.Time {
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return p.storage.LastConn()
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}
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func (p *unrecognizedDisk) IsLocal() bool {
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return p.storage.IsLocal()
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}
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func (p *unrecognizedDisk) Endpoint() Endpoint {
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return p.storage.Endpoint()
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}
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func (p *unrecognizedDisk) Hostname() string {
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return p.storage.Hostname()
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}
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func (p *unrecognizedDisk) Healing() *healingTracker {
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return nil
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}
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func (p *unrecognizedDisk) NSScanner(ctx context.Context, cache dataUsageCache, updates chan<- dataUsageEntry, scanMode madmin.HealScanMode) (dataUsageCache, error) {
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return dataUsageCache{}, errDiskNotFound
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}
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func (p *unrecognizedDisk) GetDiskLoc() (poolIdx, setIdx, diskIdx int) {
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return -1, -1, -1
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}
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func (p *unrecognizedDisk) SetDiskLoc(poolIdx, setIdx, diskIdx int) {
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}
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func (p *unrecognizedDisk) Close() error {
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return p.storage.Close()
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}
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func (p *unrecognizedDisk) GetDiskID() (string, error) {
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return "", errDiskNotFound
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}
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func (p *unrecognizedDisk) SetDiskID(id string) {
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}
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func (p *unrecognizedDisk) DiskInfo(ctx context.Context) (info DiskInfo, err error) {
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return info, errDiskNotFound
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}
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func (p *unrecognizedDisk) MakeVolBulk(ctx context.Context, volumes ...string) (err error) {
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return errDiskNotFound
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}
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func (p *unrecognizedDisk) MakeVol(ctx context.Context, volume string) (err error) {
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return errDiskNotFound
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}
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func (p *unrecognizedDisk) ListVols(ctx context.Context) ([]VolInfo, error) {
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return nil, errDiskNotFound
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}
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func (p *unrecognizedDisk) StatVol(ctx context.Context, volume string) (vol VolInfo, err error) {
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return vol, errDiskNotFound
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}
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func (p *unrecognizedDisk) DeleteVol(ctx context.Context, volume string, forceDelete bool) (err error) {
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return errDiskNotFound
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}
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func (p *unrecognizedDisk) ListDir(ctx context.Context, volume, dirPath string, count int) ([]string, error) {
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return nil, errDiskNotFound
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}
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func (p *unrecognizedDisk) ReadFile(ctx context.Context, volume string, path string, offset int64, buf []byte, verifier *BitrotVerifier) (n int64, err error) {
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return 0, errDiskNotFound
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}
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func (p *unrecognizedDisk) AppendFile(ctx context.Context, volume string, path string, buf []byte) (err error) {
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return errDiskNotFound
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}
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func (p *unrecognizedDisk) CreateFile(ctx context.Context, volume, path string, size int64, reader io.Reader) error {
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return errDiskNotFound
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}
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func (p *unrecognizedDisk) ReadFileStream(ctx context.Context, volume, path string, offset, length int64) (io.ReadCloser, error) {
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return nil, errDiskNotFound
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}
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func (p *unrecognizedDisk) RenameFile(ctx context.Context, srcVolume, srcPath, dstVolume, dstPath string) error {
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return errDiskNotFound
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}
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func (p *unrecognizedDisk) RenameData(ctx context.Context, srcVolume, srcPath string, fi FileInfo, dstVolume, dstPath string) error {
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return errDiskNotFound
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}
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func (p *unrecognizedDisk) CheckParts(ctx context.Context, volume string, path string, fi FileInfo) (err error) {
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return errDiskNotFound
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}
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func (p *unrecognizedDisk) Delete(ctx context.Context, volume string, path string, deleteOpts DeleteOptions) (err error) {
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return errDiskNotFound
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}
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// DeleteVersions deletes slice of versions, it can be same object
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// or multiple objects.
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func (p *unrecognizedDisk) DeleteVersions(ctx context.Context, volume string, versions []FileInfoVersions) (errs []error) {
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errs = make([]error, len(versions))
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for i := range errs {
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errs[i] = errDiskNotFound
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}
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return errs
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}
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func (p *unrecognizedDisk) VerifyFile(ctx context.Context, volume, path string, fi FileInfo) error {
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return errDiskNotFound
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}
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func (p *unrecognizedDisk) WriteAll(ctx context.Context, volume string, path string, b []byte) (err error) {
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return errDiskNotFound
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}
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func (p *unrecognizedDisk) DeleteVersion(ctx context.Context, volume, path string, fi FileInfo, forceDelMarker bool) (err error) {
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return errDiskNotFound
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}
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func (p *unrecognizedDisk) UpdateMetadata(ctx context.Context, volume, path string, fi FileInfo) (err error) {
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return errDiskNotFound
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}
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func (p *unrecognizedDisk) WriteMetadata(ctx context.Context, volume, path string, fi FileInfo) (err error) {
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return errDiskNotFound
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}
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func (p *unrecognizedDisk) ReadVersion(ctx context.Context, volume, path, versionID string, readData bool) (fi FileInfo, err error) {
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return fi, errDiskNotFound
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}
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func (p *unrecognizedDisk) ReadXL(ctx context.Context, volume, path string, readData bool) (rf RawFileInfo, err error) {
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return rf, errDiskNotFound
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}
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func (p *unrecognizedDisk) ReadAll(ctx context.Context, volume string, path string) (buf []byte, err error) {
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return nil, errDiskNotFound
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}
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func (p *unrecognizedDisk) StatInfoFile(ctx context.Context, volume, path string, glob bool) (stat []StatInfo, err error) {
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return nil, errDiskNotFound
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}
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func (p *unrecognizedDisk) ReadMultiple(ctx context.Context, req ReadMultipleReq, resp chan<- ReadMultipleResp) error {
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close(resp)
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return errDiskNotFound
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}
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