[Gluster-users] HA NFS

Shehjar Tikoo shehjart at gluster.com
Wed Jul 14 07:15:16 UTC 2010


Layer7 Consultancy wrote:
> Hello Vikas,
> 
> How do the NFS clients react to such a failover? Will the I/O just
> temporarily stall and then proceed once connectivity is resumed or
> will running transactions be aborted?
> 

There may be some delay as the IP migrates but overall, the NFS client's 
retransmission behaviour will be able continue the transactions with no 
interruptions.

> Best regards,
> Koen
> 
> 2010/7/13 Vikas Gorur <vikas at gluster.com>:
>  Your understanding is correct. Whether using the native NFS
> translator or re-export through unfsd, NFS clients only connect to the
> management IP. If you want failover for the NFS server, you'd setup a
> virtual IP using ucarp (http://www.ucarp.org) and the clients would
> only use this virtual IP.
>> ------------------------------
>> Vikas Gorur
>> Engineer - Gluster, Inc.
>> ------------------------------
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