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哪种情况会导致 SnapMirror show 命令显示 " 上次传输大小: -" ?

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Votes:
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Category:
ontap-9
Specialty:
dp
Last Updated:

适用于

 ONTAP

解答

  • 条件 1 )Last Transfer Type无法成功标识。

示例:

::> snapmirror show voldest

               Source Path: SVM1:volsrc
            Destination Path: SVM1:voldest
            Relationship Type: DP
         Relationship Group Type: none
           SnapMirror Schedule: -
         SnapMirror Policy Type: async-mirror
            SnapMirror Policy: DPDefault
               Tries Limit: -
            Throttle (KB/sec): unlimited
              Mirror State: Snapmirrored
           Relationship Status: Quiesced
         File Restore File Count: -
         File Restore File List: -
            Transfer Snapshot: -
            Snapshot Progress: -
             Total Progress: -
        Network Compression Ratio: -
           Snapshot Checkpoint: -
             Newest Snapshot: snapmirror.ca05c9c9-9530-11e8-8ac2-005056a07220_2153244767.2020-03-08_040544
        Newest Snapshot Timestamp: 03/08 04:05:51
            Exported Snapshot: snapmirror.ca05c9c9-9530-11e8-8ac2-005056a07220_2153244767.2020-03-08_040544
       Exported Snapshot Timestamp: 03/08 04:05:51
                 Healthy: true
            Unhealthy Reason: -
        Constituent Relationship: false
         Destination Volume Node: node1
             Relationship ID: 8c3c6e0e-562e-11ea-9cbd-005056a07220
          Current Operation ID: -
              Transfer Type: -
             Transfer Error: -
            Current Throttle: -
        Current Transfer Priority: -
           Last Transfer Type: -
           Last Transfer Error: -
           Last Transfer Size: -
Last Transfer Network Compression Ratio: -
         Last Transfer Duration: -
           Last Transfer From: -
       Last Transfer End Timestamp: -
          Progress Last Updated: -
         Relationship Capability: 8.2 and above
                Lag Time: 1051:52:13
      Identity Preserve Vserver DR: -
         Volume MSIDs Preserved: -
         Is Auto Expand Enabled: -
      Number of Successful Updates: 0
        Number of Failed Updates: 0
      Number of Successful Resyncs: 0
        Number of Failed Resyncs: 0
       Number of Successful Breaks: 0
         Number of Failed Breaks: 0
          Total Transfer Bytes: 0
     Total Transfer Time in Seconds: 0

 

  • 条件 2 )Last Transfer Error表示 SnapMirror 传输无法启动。

示例:

::> snapmirror show voldest2

               Source Path: SVM2:volsrc2
            Destination Path: SVM2:voldest2
            Relationship Type: DP
         Relationship Group Type: none
           SnapMirror Schedule: mirror2
         SnapMirror Policy Type: async-mirror
            SnapMirror Policy: DPDefault
               Tries Limit: -
            Throttle (KB/sec): unlimited
              Mirror State: Snapmirrored
           Relationship Status: Transferring
         File Restore File Count: -
         File Restore File List: -
            Transfer Snapshot: snapmirror.ca05c9c9-9530-11e8-8ac2-005056a07220_2153244784.2020-04-08_084807
            Snapshot Progress: 1.97TB
             Total Progress: 1.97TB
        Network Compression Ratio: 1:1
           Snapshot Checkpoint: 1.97TB
             Newest Snapshot: snapmirror.ca05c9c9-9530-11e8-8ac2-005056a07220_2153244784.2020-03-07_090000
        Newest Snapshot Timestamp: 03/07 20:01:29
            Exported Snapshot: snapmirror.ca05c9c9-9530-11e8-8ac2-005056a07220_2153244784.2020-03-07_090000
       Exported Snapshot Timestamp: 03/07 20:01:29
                 Healthy: false
            Unhealthy Reason: Scheduled update failed to start. (Scheduled update was delayed because another SnapMirror operation for the relationship is in progress.)
        Constituent Relationship: false
         Destination Volume Node: BEATOMNODE06
             Relationship ID: abf2ff7c-64a1-11e9-b4af-005056a07220          
          Current Operation ID: 3b00000a-792a-11ea-b342-00a01234567f
              Transfer Type: update
             Transfer Error: -
            Current Throttle: unlimited
        Current Transfer Priority: normal
           Last Transfer Type: update
           Last Transfer Error: Transfer did not start. The relationship is quiesced, or Vserver peering between source and destination Vservers has been suspended or removed.
           Last Transfer Size: -
Last Transfer Network Compression Ratio: -
         Last Transfer Duration: -
           Last Transfer From: SVM2:volsrc2
       Last Transfer End Timestamp: 03/14 17:05:08
          Progress Last Updated: 04/20 23:58:04
         Relationship Capability: 8.2 and above
                Lag Time: 1059:56:46
      Identity Preserve Vserver DR: -
         Volume MSIDs Preserved: -
         Is Auto Expand Enabled: -
      Number of Successful Updates: 55
        Number of Failed Updates: 0
      Number of Successful Resyncs: 0
        Number of Failed Resyncs: 0
       Number of Successful Breaks: 0
         Number of Failed Breaks: 0
          Total Transfer Bytes: 20172269412352
     Total Transfer Time in Seconds: 6214749

其他信息

 

 

 

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