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Storage and Backups-Netapp
How to create aligned partitions in Linux for use with NetApp LUNs, VMDKs, VHDs and other virtual disk containers

Applies to

  • Data ONTAP 8 7-Mode
  • Data ONTAP 7 and earlier

Description

As a best practice, NetApp LUNs should always be partitioned with a single primary partition. The partition serves two purposes. It functions as a label for the LUN or virtual disk which helps the operating system identify the contents of the LUN or virtual disk. The partition is also used to align the host's file system with the LUN or virtual disk. Aligning the host file system is necessary to achieve optimal performance of read and write I/Os.

ATTO FibreBridge contains two different Firmware images

Applies to

  • ATTO 6500N FibreBridge
  • ATTO 7500N FibreBridge
  • ATTO 7600N FibreBridge
  • MetroCluster

Issue

After updating the Firmware on an ATTO FibreBridge, two different Firmware images might be present in the primary and secondary flash.

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Troubleshooting Workflow: permission denied (export rules) mounting the export

Applies to

  • Clustered Data ONTAP 8
  • Troubleshooting
  • NFS

Issue

Failure during the mount of an export: permission denied (export rules) message is displayed.

There can be various causes for this issue. The causes and the procedures to be performed to resolve the issue are described in the Solution section below.

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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.

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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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