コピーペア操作を指定するための条件と,指定できるコピーペア操作を説明します。
指定できるコピーペア操作は,詳細コピーペア状態とコピー種別の組み合わせによって異なります。指定できるコピーペア操作を,オープン系システムとメインフレーム系システムに分けて示します。
オープン系システムでは,対象が単一または複数のコピーペアの場合と,コピーグループまたはスナップショットグループの場合に分けて示します。
(1) コピーペア操作を指定するための条件
指定できるコピーペア操作は,ストレージシステム種別やコピーペア操作の対象によって異なります。その条件を次に示します。
(2) 指定できるコピーペア操作(オープン系システム)(対象が単一または複数のコピーペアの場合)
対象が単一または複数のコピーペアの場合に,詳細コピーペア状態とコピー種別の組み合わせに対して変更できるコピーペア状態を,ベーシック操作とアドバンスド操作に分けて説明します。
選択した複数のコピーペア内に,コピーペア種別が異なるコピーペアが存在する場合,ペア状態は変更できません。
表5-15 指定できるコピーペアベーシック操作(オープン系システム)(対象が単一または複数のコピーペアの場合)
正ボリュームの詳細コピーペア状態 | SI | TCS | TCA | TCE | TI/COW/QS※1 | UR |
---|---|---|---|---|---|---|
Copying | split resync restore delete | split resync restore delete | split resync restore delete | split resync restore delete | split resync restore delete | split resync restore delete |
Copying (Reverse) | - | - | - | - | ||
Deleting | - | split resync restore delete | split resync restore delete | split resync restore delete | ||
Error (HOLDER) | - | - | - | - | ||
Error (PSUE) | split resync restore delete | split resync restore delete | split resync restore delete | split resync restore delete | split resync restore delete | split resync restore delete |
Error in LUSE | - | |||||
Pair | split resync restore delete | |||||
Pair (Full) | ||||||
Pair (PAIR or PFUL) | ||||||
Simplex (SMPL)※2 | - | - | - | - | - | - |
Split | split resync restore delete | split resync restore delete | split resync restore delete | split resync restore delete | split resync restore delete | split resync restore delete |
Split (Full) | ||||||
Split (HOLD) | - | - | - | - | - | - |
Split (SW) | split resync restore delete | split resync restore delete | split resync restore delete | split resync restore delete | split resync restore delete | split resync restore delete |
Suspending | - | - | ||||
Unknown | split resync restore delete | split resync restore delete |
表5-16 指定できるコピーペアアドバンスド操作(オープン系システム)(対象が単一または複数のコピーペアの場合)
正ボリュームの詳細コピーペア状態 | TrueCopy Sync | TrueCopy Async | Universal Replicator |
---|---|---|---|
Copying | takeover force-split swap takeover-recovery(resync)※1 takeover-recovery(recreate)※2 | takeover swap takeover-recovery(resync)※1 takeover-recovery(recreate)※2 | takeover swap takeover-recovery(resync)※1 takeover-recovery(recreate)※2 |
Copying (Reverse) | |||
Deleting | |||
Error (HOLDER)※3 | |||
Error (PSUE) | |||
Error in LUSE | |||
Pair | |||
Pair (Full) | |||
Pair (PAIR or PFUL) | |||
Simplex (SMPL)※4 | |||
Split | |||
Split (Full) | |||
Split (HOLD)※3 | |||
Split (SW) | |||
Suspending | |||
Unknown |
(3) 指定できるコピーペア操作(オープン系システム)(対象がコピーグループまたはスナップショットグループの場合)
対象がコピーグループまたはスナップショットグループの場合に,詳細コピーペア状態とコピー種別の組み合わせに対して変更できるコピーペア状態を,ベーシック操作とアドバンスド操作に分けて説明します。
選択したコピーグループまたはスナップショットグループ内に含まれるコピーペアの状態によって,次のように動作します。
表5-17 指定できるコピーペアベーシック操作(オープン系システム)(対象がコピーグループまたはスナップショットグループの場合)
正ボリュームの詳細コピーペア状態 | SI | TCS | TCA | TCE | TI/COW/QS※1 | UR |
---|---|---|---|---|---|---|
Copying | split resync restore delete | split resync restore delete | split resync restore delete | split resync restore delete | split resync restore delete | split resync restore delete |
Copying (Reverse) | - | - | - | - | ||
Deleting | - | split resync restore delete | split resync restore delete | split resync restore delete | ||
Error (HOLDER) | - | - | - | - | ||
Error (PSUE) | split resync restore delete | split resync restore delete | split resync restore delete | split resync restore delete | split resync restore delete | split resync restore delete |
Error in LUSE | - | |||||
Pair | split resync restore delete | |||||
Pair (Full) | ||||||
Pair (PAIR) | split resync restore syncwait delete | split resync restore syncwait delete | split resync restore syncwait delete | |||
Pair (PFUL) | split resync restore delete | split resync restore delete | split resync restore delete | |||
Simplex (SMPL)※2 | - | - | - | - | - | - |
Split | split resync restore delete | split resync restore delete | split resync restore delete | split resync restore delete | split resync restore delete | split resync restore delete |
Split (Full) | ||||||
Split (HOLD) | - | - | - | - | - | - |
Split (SW) | split resync restore delete | split resync restore delete | split resync restore delete | split resync restore delete | split resync restore delete | split resync restore delete |
Suspending | - | - | ||||
Unknown | split resync restore delete | split resync restore delete |
表5-18 指定できるコピーペアアドバンスド操作(オープン系システム)(対象がコピーグループの場合)
正ボリュームの詳細コピーペア状態 | TrueCopy Sync | TrueCopy Async | Universal Replicator |
---|---|---|---|
Copying | takeover force-split swap takeover-recovery(resync)※1 takeover-recovery(recreate)※2 | takeover swap takeover-recovery(resync)※1 takeover-recovery(recreate)※2 | takeover swap takeover-recovery(resync)※1 takeover-recovery(recreate)※2 |
Copying (Reverse) | |||
Deleting | |||
Error (HOLDER)※3 | |||
Error (PSUE) | |||
Error in LUSE | |||
Pair | |||
Pair (Full) | |||
Pair (PAIR or PFUL) | |||
Simplex (SMPL)※3 | |||
Split | |||
Split (Full) | |||
Split (HOLD)※4 | |||
Split (SW) | |||
Suspending | |||
Unknown |
(4) 指定できるコピーペア操作(メインフレーム系システム)
メインフレーム系システムの場合に,詳細コピーペア状態とコピー種別の組み合わせに対して指定できるコピーペア操作を,次の表に示します。
表5-19 指定できるコピーペア操作(メインフレーム系システム)
コピーグループまたはコピーペア状態の詳細 | ShadowImage | TrueCopy Sync | TrueCopy Async | Universal Replicator |
---|---|---|---|---|
Copying (Pending or Resync) | split delete | split delete | split delete | split delete |
Copying (Resync-R) | delete | delete | delete | delete |
Error (HOLDER) | - | - | - | |
Error (SUSPCU) | resync/restore delete | resync/restore delete | resync/restore delete | resync/restore delete |
Error (SUSPER) | ||||
Invalid | - | - | - | - |
Pair (DUPLEX) | split delete | split delete | split delete | split delete |
Simplex (SIMPLEX) | - | - | - | - |
Split (HOLD) | resync※ delete | |||
Split (HOLDTRNS) | delete | |||
Split (NODELTA) | resync※ delete | |||
Split (SUSPOP) | resync/restore delete | resync/restore delete | resync/restore delete | resync/restore delete |
Split (SUSPVS) | ||||
Split (SWAPPING) | resync/restore | resync/restore | resync/restore | resync/restore |
Suspending or Deleting (TRANS) | delete | delete | delete | delete |
Unknown | - | - | - | - |
ペア状態ごとの,ペア定義および実体のコピー方向と実行できるペア操作との対応を次の表に示します。
表5-20 ペア定義および実体のコピー方向と実行できるペア操作との対応(メインフレーム系システム)
ペア定義および実体のコピー方向 | ペア状態 | ペア操作 |
---|---|---|
一致する | Split (SUSPOP) Split (SUSPVS) Error (SUSPCU) Error (SUSPER) | resync |
Split (SWAPPING) | restore | |
異なる | Split (SUSPOP) Split (SUSPVS) Error (SUSPCU) Error (SUSPER) | restore |
Split (SWAPPING) | resync |