Oracle ZFS Storage Appliance: Oracle VM Clients Reporting NFSv4 Locking Issues "Lock reclaim failed"

Asset ID:	1-72-2114196.1
Update Date:	2018-01-05
Keywords:

Solution Type Problem Resolution Sure

Solution 2114196.1 : Oracle ZFS Storage Appliance: Oracle VM Clients Reporting NFSv4 Locking Issues "Lock reclaim failed"

Related Items


Sun ZFS Storage 7320
 Sun Storage 7210 Unified Storage System
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 Oracle ZFS Storage ZS3-4
 Sun Storage 7410 Unified Storage System
 Sun ZFS Storage 7420
 Oracle ZFS Storage ZS4-4
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 Sun Storage 7110 Unified Storage System
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Related Categories


PLA-Support>Sun Systems>DISK>ZFS Storage>SN-DK: ZS

In this Document

Symptoms

Changes

Cause

Solution

References

Created from <SR 3-12223364301>

Applies to:

Oracle ZFS Storage ZS4-4 - Version All Versions to All Versions [Release All Releases]
Oracle ZFS Storage ZS3-4 - Version All Versions to All Versions [Release All Releases]
Oracle ZFS Storage ZS3-2 - Version All Versions to All Versions [Release All Releases]
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]
7000 Appliance OS (Fishworks)

Symptoms

Oracle VM clients reporting lock reclaim failed and locks unavailable.

NFS: nfs4_reclaim_open_state: Lock reclaim failed!

Changes

New installation of Oracle VM 3.3.3 connected to ZFS Storage Appliance.

Cause

NFSv4 read/write delegation is not supported in Oracle VM.

Solution

Disable NFSv4 delegation on the ZFS Storage Appliance.

Configuration -> Services -> NFS -> deselect Enable NFSv4 delegation.

From Oracle VM Release Notes 3.3.3 : http://docs.oracle.com/cd/E50245_01/E63729/html/vmrns-bugs-storage-nfs-delegation-not-supported.html

6.96 NFSv4 Read/Write Delegation Not Supported

As of Release 3.3.1, Oracle VM does not support NFS V4 read/write delegation. NFS V4 delegation must be disabled on network storage devices used for Oracle VM.

Best practice document: Oracle VM 3 with Oracle ZFS Storage Appliance Configuration Best Practices Using NFS v4 Protocol.

http://www.oracle.com/technetwork/server-storage/sun-unified-storage/documentation/ovm3-nfs-120315-2798409.pdf

References

<NOTE:1268557.1> - Exalogic Elastic Cloud Software Known Issues

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