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SnapMirror策略如何与级联关系(A-B-C)配合使用？

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Category:
ontap-9
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DP
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适用场景

ONTAP 9

问题解答

  • mirrror-vault在SnapMirror关系B->C之间将忽略SnapMirror策略、例如
  • 由于卷类型B为DP、无法创建新快照、因此B仅会将所有从A更新到C的快照直接传输。

追加信息

ontap98::> snapmirror policy show
Vserver Policy        Policy Number      Transfer
Name   Name         Type   Of Rules Tries Priority Comment
------- ------------------ ------ -------- ----- -------- ----------

.....

ontap98 MirrorAndVault    mirror-vault  3    8  normal  A unified Asynchronous SnapMirror and SnapVault policy for mirroring the latest active file system and daily and weekly Snapshot copies.
  SnapMirror Label: sm_created             Keep:     1
           daily                      7
           weekly                     52
                         Total Keep:    60

.....
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