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为何更改聚合跨卷实时重复数据删除设置

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适用场景

ONTAP 9.4或更高版本。

问题解答

SnapMirror中断时AFF 设置中目标RW卷的默认卷效率设置(9.4及更高版本):

  1. 卷效率状态(已启用)
  2. 卷实时压缩(on)
  3. 卷实时重复数据删除(启用)
  4. 后台数据压缩(打开)
  5. 数据缩减(启用)
  6. 跨卷实时重复数据删除(启用)
  7. 跨卷后台重复数据删除(启用)
  8. 策略(自动)

例如:

The existed status for the aggregate Cross Volume Inline Deduplication:
cluster1::*> snapmirror show
                                    Progress
Source       Destination Mirror  Relationship   Total        Last
Path     Type  Path     State   Status      Progress  Healthy Updated
----------- ---- ------------ ------- -------------- --------- ------- --------
svm1:vol3   XDP  svm1:vol3dp  Snapmirrored
                    Idle       -      true   -
2 entries were displayed.

cluster1::*> volume efficiency show -fields cross-volume-inline-dedupe -volume vol3
vserver volume cross-volume-inline-dedupe
------- ------ --------------------------
svm1   vol3   false

cluster1::*> aggr efficiency show -aggregate aggr2

               Aggregate: aggr2
                  Node: cluster1-02
Cross Volume Background Deduplication: true
   Cross Volume Inline Deduplication: false
Has Cross Volume Deduplication Savings: true
Has Auto Adaptive Compression Savings: true

cluster1::*>

对vol3执行一次SnapMirror还原:


cluster1::*> snapmirror restore -destination-path svm1:vol3 -source-path svm1:vol3dp

Warning: All data newer than Snapshot copy
     snapmirror.aa1c00c8-2e93-11ed-8e6c-00a098d52e71_2161360053.2022-09-07_1
     50744 on volume svm1:vol3 will be deleted.
     Export policies currently enforced on the qtrees of volume "svm1:vol3"
     will not change during this operation. If the currently enforced
     export policies are different from those in Snapshot copy
     "snapmirror.aa1c00c8-2e93-11ed-8e6c-00a098d52e71_2161360053.2022-09-07_
     150744", reassign the export policies of the qtrees on this volume
     after this operation.
Do you want to continue? {y|n}: y
[Job 44] Job is queued: snapmirror restore from source "svm1:vol3dp".

cluster1::*> snapmirror show
                                    Progress
Source       Destination Mirror  Relationship   Total        Last
Path     Type  Path     State   Status      Progress  Healthy Updated
----------- ---- ------------ ------- -------------- --------- ------- --------
svm1:vol3   XDP  svm1:vol3dp  Snapmirrored
                    Idle       -      true   -
svm1:vol3dp RST  svm1:vol3   Broken-off
                    Queued      -      true   -
3 entries were displayed.

cluster1::*> snapmirror show
                                    Progress
Source       Destination Mirror  Relationship   Total        Last
Path     Type  Path     State   Status      Progress  Healthy Updated
----------- ---- ------------ ------- -------------- --------- ------- --------
svm1:vol3   XDP  svm1:vol3dp  Snapmirrored
                    Idle       -      true   -
svm1:vol3dp RST  svm1:vol3   Snapmirrored
                    Idle       -      true   -
3 entries were displayed.

cluster1::*> snapmirror show
                                    Progress
Source       Destination Mirror  Relationship   Total        Last
Path     Type  Path     State   Status      Progress  Healthy Updated
----------- ---- ------------ ------- -------------- --------- ------- --------
svm1:vol3   XDP  svm1:vol3dp  Snapmirrored
                    Idle       -      true   -
2 entries were displayed.

cluster1::*> volume efficiency show -fields cross-volume-inline-dedupe -volume vol3
vserver volume cross-volume-inline-dedupe
------- ------ --------------------------
svm1   vol3   true

cluster1::*> aggr efficiency show -aggregate aggr2

               Aggregate: aggr2
                  Node: cluster1-02
Cross Volume Background Deduplication: true
   Cross Volume Inline Deduplication: true
Has Cross Volume Deduplication Savings: true
Has Auto Adaptive Compression Savings: true

cluster1::*> event log show
Time         Node        Severity    Event
------------------- ---------------- ------------- ---------------------------
9/7/2022 15:10:29   cluster1-02 NOTICE     sm.break.enable.se: "Storage efficiency" feature has been enabled on the destination volume svm1:vol3 due to a SnapMirror break operation.
9/7/2022 15:10:09   cluster1-02 INFORMATIONAL wafl.scan.ownblocks.done: Completed block ownership calculation on volume vol3@vserver:aa1c00c8-2e93-11ed-8e6c-00a098d52e71. The scanner took 1 ms.
9/7/2022 15:10:09   cluster1-02 INFORMATIONAL wafl.vol.blks_used.done: type="Volume", owner="", vol="vol3", app="", volident="@vserver:aa1c00c8-2e93-11ed-8e6c-00a098d52e71", run_time="110"
9/7/2022 15:10:09   cluster1-02 INFORMATIONAL wafl.vol.snap_create.done: type="Volume", owner="", vol="vol3", app="", volident="@vserver:aa1c00c8-2e93-11ed-8e6c-00a098d52e71", run_time="42"
9/7/2022 15:10:09   cluster1-02 DEBUG      wafl.scan.start: Starting redirect on volume vol3@vserver:aa1c00c8-2e93-11ed-8e6c-00a098d52e71.
9/7/2022 15:10:09   cluster1-02 INFORMATIONAL wafl.snaprestore.revert: Reverting volume vol3@vserver:aa1c00c8-2e93-11ed-8e6c-00a098d52e71 to a previous Snapshot copy with snapid 2.   

 

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