Sun Storage 7000 Unified Storage System: Error "Directory is currently in use by another share" when cloning a snapshot

Asset ID:	1-72-1548704.1
Update Date:	2013-09-02
Keywords:

Solution Type Problem Resolution Sure

Solution 1548704.1 : Sun Storage 7000 Unified Storage System: Error "Directory is currently in use by another share" when cloning a snapshot

Applies to:

Sun Storage 7110 Unified Storage System - Version All Versions to All Versions [Release All Releases]
Sun Storage 7210 Unified Storage System - Version All Versions to All Versions [Release All Releases]
Sun ZFS Storage 7420 - Version All Versions to All Versions [Release All Releases]
Sun ZFS Storage 7320 - Version All Versions to All Versions [Release All Releases]
Sun Storage 7310 Unified Storage System - Version All Versions to All Versions [Release All Releases]
7000 Appliance OS (Fishworks)

Symptoms

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When cloning a snapshot the following error is received:

error: invalid property value "/export/<share_mountpoint>" for "mountpoint": Directory is
currently in use by another share
error: failed to commit changes

Cause

The mountpoint is used by another share.

The mountpoints must be unique.

Solution

When cloning a snapshot and the share the snapshot is taken from is not set to inherit the mountpoint, you must manually set the mountpoint to a unique name before committing the clone creation.

Example:

set mountpoint=/export/<unique mountpoint>

If a Share is not configured to inherit its mountpoint from the project, then when creating a clone of snapshot from that share, the mountpoint of the clone defaults to the same mountpoint as the snapshot.

Example when the mountpoint is NOT inherited:

ZFS-SA:> shares select TestProject select TestShare get mountpoint
mountpoint = /export/TestShare

Note: the share does not list the mountpoint as "Inherited".

ZFS-SA> shares select TestProject select TestShare snapshots select TestSnap clone TestClone
ZFS_SA:shares TestProject/TestClone (uncommitted clone)> commit
error: invalid property value "/export/TestShare" for "mountpoint": Directory is
currently in use by another share
error: failed to commit changes
ZFS_SA:shares TestProject/TestClone (uncommitted clone)> get mountpoint
mountpoint = /export/TestShare (default)
ZFS_SA:shares Jay/TestClone (uncommitted clone)> abort
Leaving will abort creation of "TestClone". Are you sure? (Y/N)
ZFS-SA>

Example when the mountpoint IS inherited:

ZFS-SA:> shares select TestProject select TestShare get mountpoint
mountpoint = /export/snap-off (inherited)

Note: the share displays the mountpoint as "Inherited".

ZFS-SA> shares select TestProject select TestShare snapshots select TestSnap clone TestClone
ZFS_SA:shares TestProject/TestClone (uncommitted clone)> get mountpoint
mountpoint = /export/TestClone (inherited)
ZFS_SA:shares TestProject/TestClone (uncommitted clone)> commit
ZFS-SA:>

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