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Storage and Backups-Netapp

How to enter the filer's CIFS shares in the DFS root tree

Applies to

Data ONTAP 7

Description

Distributed File System for Microsoft Windows NT Server (DFS) allows distributed file systems capabilities on Windows NT Server. A distributed file system provides a single tree structure for multiple shared volumes located on different servers. A user accessing a share using DFS doesn't need to know the name of the server where the share resides.

If a file server goes down, or if you need to move a volume from one server to another, you can do so without informing users of the change. You can increase data availability and transparently distribute load across multiple servers by using duplicate storage points for a single volume.

SyncMirror could not create resynchronization snapshot (1045120)

Applies to

  • SyncMirror
  • FlashPool
  • MetroCluster
  • ONTAP 9.1 and earlier
  • SYNCMIRROR SNAPSHOTS NOT ROTATING autosupport message

Issue

There is no space left on aggregate with Flashpool (Hybrid Aggregates) configured.
Fri FebFri Feb 7 09:10:11 CET [systemname:raid.mirror.resync.snapcrtfail:warning]: Aggregate <aggr_name>: could not create mirror resynchronization snapshot mirror_resync. (No space left on device)

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SyncMirror could not create resynchronization snapshot (SSD space)

Applies to

  • SyncMirror
  • FlashPool
  • MetroCluster
  • ONTAP 9.2 and later
  • SSD space lower than 1%

Issue

There is no space left on aggregate with Flashpool configured 

Fri FebFri Feb 7 09:10:11 CET [systemname:raid.mirror.resync.snapcrtfail:warning]: Aggregate <aggr_name>: could not create mirror resynchronization snapshot mirror_resync. (No space left on device)
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MetroCluster cluster name mismatch after changing cluster name

Applies to

  • ONTAP 9
  • MetroCluster
  • Cluster renamed

Issue

"metrocluster show" reports different peer cluster names

Cluster A Local: ClusterA    Remote: cluster_oldB
Cluster B Local: ClusterB    Remote: cluster_oldA

ClusterA::> metrocluster show

Configuration: fabric

Cluster                        Entry Name    State
------------------------------ ---------------------- ---------------------
Local: ClusterA
Configuration State  configured
Mode  normal
AUSO Failure Domain  auso-on-cluster-disaster
Remote: cluster_oldB
Configuration State  configured
Mode  normal
AUSO Failure Domain auso-on-cluster-disaster

ClusterA::> cluster peer show
Peer Cluster Name         Cluster Serial Number Availability   Authentication
------------------------- --------------------- -------------- --------------
ClusterB                  1-80-000011           Available      ok

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Can a Volume ID be reused in Element Software?

Applies to

Element Software.

Answer

No. The Volume ID is uniquely generated for every volume that is created.  Even if a volume is deleted, the number will always increment when a new volume is created based on the last Volume ID that was used.

Additional Information

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Data ONTAP 8: How to accurately determine CPU utilization of a Data ONTAP 8.0 Cluster-Mode cluster

Applies to

  • Clustered Data ONTAP 8
  • PERF

Description

How to use the various statistics commands to determine which controller and CPU is running hot in a Data ONTAP 8.0 Cluster-Mode cluster?

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