Difference between revisions of "NFS Support"

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== NFS for Backups ==
== NFS for Backups ==

Revision as of 13:10, 31 March 2015

Admin Article

Article Information

This article applies to the following ZCS versions.

ZCS 8.0 Article ZCS 8.0

ZCS 7.0 Article ZCS 7.0
ZCS 6.0 Article ZCS 6.0
ZCS 5.0 Article ZCS 5.0

NFS for Backups

Zimbra will support customers that store backups (e.g. /opt/zimbra/backup) on an NFS-mounted partition. Note that this does not relieve the customer from the responsibility of providing a storage system with a performance level appropriate to their desired backup and restore times. In our experience, network-based storage access is more likely to encounter latency or disconnects than is equivalent storage attached by fiber channel or direct SCSI.

Zimbra continues to view NFS storage of other parts of the system as unsupported. Our testing has shown poor read and write performance for small files over NFS implementations, and as such we view it unlikely that this policy will change for the index and database stores. The binary database products used in ZCS such as MySQL, Berkeley DB (Sleepycat), and Lucene each have respective risks and warnings with running on NFS. Zimbra will continue to evaluate support for NFS for the message store as customer demand warrants.

When working with Zimbra Support on related issues, the customer must disclose that the backup storage used is NFS.

Virtualizing Zimbra on vSphere and NFS

Note for ZCS 6.0.11 or later virtualized on vSphere 4.1 or later with NFS datastores: all Zimbra storage components encapsulated in VMDKs that sit on NFS datastores is a supported configuration: http://bugzilla.zimbra.com/show_bug.cgi?id=50635

See also the Technical White Paper Virtualizing VMware Zimbra with VMware vSphere and NetApp NFS.

CIFS (Windows SMB or Samba)

CIFS volumes (Windows SMB file share or Samba) are not recommended or supported in any way. We have seen terrible IO performance issues with CIFS. CIFS is not supported for any volume type - neither store/, db/, index/ nor backup/ can be used with CIFS successfully.

Verified Against: ZCS 6.0.x Date Created: 12/18/2009
Article ID: https://wiki.zimbra.com/index.php?title=NFS_Support Date Modified: 2015-03-31

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