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a50ea92c64
NOTE: This feature is not retro-active; it will not cater to previous transactions on existing setups. To enable this feature, please set ` _MINIO_DRIVE_QUORUM=on` environment variable as part of systemd service or k8s configmap. Once this has been enabled, you need to also set `list_quorum`. ``` ~ mc admin config set alias/ api list_quorum=auto` ``` A new debugging tool is available to check for any missing counters.
286 lines
10 KiB
Go
286 lines
10 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/v3"
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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, metrics bool) (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, opts DeleteOptions) error
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DeleteVersions(ctx context.Context, volume string, versions []FileInfoVersions, opts DeleteOptions) []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, opts UpdateMetadataOpts) error
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ReadVersion(ctx context.Context, volume, path, versionID string, opts ReadOptions) (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, opts RenameOptions) (uint64, 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, opts 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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CleanAbandonedData(ctx context.Context, volume string, path string) 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, _ bool) (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, opts RenameOptions) (uint64, error) {
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return 0, 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, opts 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 or multiple objects.
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func (p *unrecognizedDisk) DeleteVersions(ctx context.Context, volume string, versions []FileInfoVersions, opts DeleteOptions) (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, opts DeleteOptions) (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, opts UpdateMetadataOpts) (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, opts ReadOptions) (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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func (p *unrecognizedDisk) CleanAbandonedData(ctx context.Context, volume string, path string) error {
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return errDiskNotFound
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}
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