SMTapeを使用すると、クラスタ管理者は、テープ シーディングを実行してデータ保護ミラー関係のデスティネーションFlexVolを初期化できます。SMTapeを使用した低帯域幅接続でのこのデスティネーション ボリュームの初期化は、snapmirror initializeコマンドを使用した場合よりも短時間で完了します。
32ビット ボリュームをバックアップした場合は、Data ONTAP 8.2リリース ファミリーでのみリストアできます。
clus1::> vol snapshot show -vserver vs1 -volume vol1 (volume snapshot show) Vserver Volume Snapshot State Size Total% Used% -------- ------ ---------- -------------------------------- ---- ------ vs1 vol1 hourly.2013-01-25_0005 valid 224KB 0% 0% daily.2013-01-25_0010 valid 92KB 0% 0% hourly.2013-01-25_0105 valid 228KB 0% 0% hourly.2013-01-25_0205 valid 236KB 0% 0% hourly.2013-01-25_0305 valid 244KB 0% 0% hourly.2013-01-25_0405 valid 244KB 0% 0% hourly.2013-01-25_0505 valid 244KB 0% 0% 7 entries were displayed.
clus1::> volume snapshot create -vserver vs1 -volume src1 -snapshot mysnap clus1::> volume snapshot show -vserver vs1 -volume src1 -snapshot mysnap Vserver: vs1 Volume: src1 Snapshot: mysnap Creation Time: Thu Aug 09 12:03:46 2012 Snapshot Busy: false List of Owners: - Snapshot Size: 52KB Percentage of Total Blocks: 0% Percentage of Used Blocks: 1% Comment: 7-Mode Snapshot: false Label for SnapMirror Operations: - Snapshot State: valid Constituent Snapshot: false
clus1::> storage tape position -node clus1-01 -name nrst01 -operation rewind Note: Rewind operation in progress. Use the "storage tape show -status" command to view the status of the operation.
clus1::> storage tape show -status -device-name-nr nrst01 -node clus1-01 Device ID: fc215-21:5.126L1 Description: IBM LTO 4 ULTRIUM Device Type: tape drive WWNN: 5:00a:098200:01dc69 WWPN: 5:10a:098200:01dc69 Serial Number: bdf31432387ba0980a026c Errors: - Node Alias Device Status FileNo BlockNo Resid -------- ------ ------------------ ------- -------- ------ clus-01 st01 read-write-enabled 0 0 0
clus1::> system smtape backup -vserver vs1 -volume src1 -backup-snapshot mysnap -tape /clus1-01/nrst0l Session 35 created successfully
clus1::> system smtape status show -session 35 -instance Session Identifier: 35 Node Name: clus1-01 Operation Type: backup Session Status: ACTIVE Path Name: /vs1/src1 Device Name: /clus1-01/nrst0l Bytes Transferred: 0B Start Time: 8/9/2012 12:03:55 End Time: - Snapshot Name: mysnap Tape Block Size: 240 Error Description: None
clus1::> smtape status show (system smtape status show) Session Type Status Progress Path Device Node ------- ------- --------- -------- ------------ ------------------ ---------- 35 backup COMPLETED 6.01MB /vs1/src1 /clus1-01/nrst0l clus1-01
表示されたステータス | 操作 |
---|---|
COMPLETED | 手順7に進みます。
ベースライン転送が完了しています。 |
WAITING |
|
FAILED |
SMTapeバックアップ処理が失敗する原因としては、ネットワーク接続を確立できない、指定したSnapshotにアクセスできない、Snapshotが見つからないなどが考えられます。問題を解決してから処理を再実行する必要があります。 |
ACTIVE |
SMTapeバックアップがアクティブな状態のときは次のメッセージが表示されます。 The SMTape backup is in progress. |
clus1::> storage tape position -node clus1-01 -name nrst01 -operation rewind Note: Rewind operation in progress. Use the "storage tape show -status" command to view the status of the operation.
clus1::> storage tape show -status -device-name-nr nrst01 -node clus1-01 Device ID: fc215-21:5.126L1 Description: IBM LTO 4 ULTRIUM Device Type: tape drive WWNN: 5:00a:098200:01dc69 WWPN: 5:10a:098200:01dc69 Serial Number: bdf31432387ba0980a026c Errors: - Node Alias Device Status FileNo BlockNo Resid -------- ------ ------------------ ------- -------- ------ clus-01 st01 read-write-enabled 0 0 0
clus1::> system smtape status show -session 36 -instance Session Identifier: 36 Node Name: clus1-01 Operation Type: restore Session Status: ACTIVE Path Name: /vs1/dst1 Device Name: /clus1-01/nrst0l Bytes Transferred: 0B Start Time: 8/9/2012 12:04:15 End Time: - Snapshot Name: None Tape Block Size: 240 Error Description: None
clus1::> system smtape status show Session Type Status Progress Path Device Node ------- ------- --------- -------- ------------ ------------------ ---------- 36 restore COMPLETED 6.01MB /vs1/dst1 /clus1-01/nrst0l clus1-01 35 backup COMPLETED 6.01MB /vs1/src1 /clus1-01/nrst0l clus1-01 2 entries were displayed.
表示されたステータス | 操作 |
---|---|
COMPLETED | 手順14に進みます。
ベースライン転送が完了しています。 |
WAITING |
|
clus1::> system smtape break -vserver vs1 -volume dst1 Operation succeeded: snapmirror break for destination vs1:dst1
clus1::> snapmirror resync -destination-path vs1:dst1 -source-path vs1:src1 -type DP [Job 85] Job is queued: initiate snapmirror resync to destination "vs1:dst1". [Job 85] [Job 85] Job succeeded: SnapMirror Resync Transfer Queued
clus1::> snapmirror show -destination-path vs1:dst1 Source Path: vs1:src1 Destination Path: vs1:dst1 Relationship Type: DP SnapMirror Schedule: - Tries Limit: - Throttle (KB/sec): unlimited Mirror State: - Relationship Status: Transferring Transfer Snapshot: snapmirror.58621f01-e214-11e1-833d-123478563412_2147484708.2012-08-09_120444 Snapshot Progress: 0B Total Progress: 0B Snapshot Checkpoint: - Newest Snapshot: - Newest Snapshot Timestamp: - Exported Snapshot: - Exported Snapshot Timestamp: - Healthy: true Constituent Relationship: false Relationship ID: 6485d262-e21a-11e1-833d-123478563412 Transfer Type: resync Transfer Error: - Current Throttle: 103079214 Current Transfer Priority: normal Last Transfer Type: - Last Transfer Error: - Last Transfer Size: - Last Transfer Duration: - Last Transfer From: - Progress Last Updated: 08/09 12:04:45 Relationship Capability: 8.2 and above Lag Time: - Policy: DPDefault
clus1::> snapmirror show -destination-path vs1:dst1 Source Path: vs1:src1 Destination Path: vs1:dst1 Relationship Type: DP SnapMirror Schedule: - Tries Limit: - Throttle (KB/sec): unlimited Mirror State: Snapmirrored Relationship Status: Idle Transfer Snapshot: - Snapshot Progress: - Total Progress: - Snapshot Checkpoint: - Newest Snapshot: snapmirror.58621f01-e214-11e1-833d-123478563412_2147484708.2012-08-09_120444 Newest Snapshot Timestamp: 08/09 12:04:44 Exported Snapshot: snapmirror.58621f01-e214-11e1-833d-123478563412_2147484708.2012-08-09_120444 Exported Snapshot Timestamp: 08/09 12:04:44 Healthy: true Constituent Relationship: false Relationship ID: 6485d262-e21a-11e1-833d-123478563412 Transfer Type: resync Transfer Error: - Current Throttle: 103079214 Current Transfer Priority: normal Last Transfer Type: resync Last Transfer Error: - Last Transfer Size: 72KB Last Transfer Duration: 0:0:7 Last Transfer From: vs1:src1 Progress Last Updated: - Relationship Capability: 8.2 and above Lag Time: 0:0:7 Policy: DPDefault