Any success stories for HAST + ZFS?

Mikolaj Golub trociny at freebsd.org
Mon Mar 28 10:52:52 UTC 2011


On Mon, 28 Mar 2011 10:47:22 +0100 Pete French wrote:

 >> It is not a hastd crash, but a kernel crash triggered by hastd process.
 >>
 >> I am not sure I got the same crash as you but apparently the race is possible
 >> in g_gate on device creation.
 >>
 >> I got the following crash starting many hast providers simultaneously:

 PF> This is very interestng to me - my successful ZFS+HAST only had
 PF> a single drive, but in my new setup I am intending to use two
 PF> HAST processes and then mirror across thhem under ZFS, so I am
 PF> likely to hit this bug. Are the processes stable once launched ?

Yes, you may hit it only on hast devices creation. The workaround is to avoid
using 'hastctl role primary all', start providers one by one instead.

-- 
Mikolaj Golub


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