[sheepdog] [sheepdog-users] HA in SBD

Hitoshi Mitake mitake.hitoshi at gmail.com
Fri Apr 1 06:25:34 CEST 2016


Hi Lakis,

Sorry for my late reply.

SBD doesn't support high availability mechanism. iSCSI interface can
support multipath without external solutions like HAProxy.

Thanks,
Hitoshi

On Thu, Mar 24, 2016 at 11:36 PM, Lakis, Jacek <jacek.lakis at intel.com>
wrote:

> Hi all.
>
> I got a quick question about the SBD volumes. Does the sheepdog provides
> High Availability mechanism for Sheepdog Block Device?
> I mean, when we map the block device, we're echoing single zookeeper's IP
> to /sys/bus/.... In this case, we're not resistant for loosing this
> specific zookeeper node.
> So question is: do the Sheepdog prevents this SPOF case itself? (Without
> using external solutions like HAProxy)
>
> Best regards,
> JJ
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