[zfs-discuss] Unable to set global hot spares in OmniOS?
locane at gmail.com
Fri Dec 16 14:48:29 EST 2016
Thanks for the reply Chris.
ZFS on Linux handles global hot spares just fine, it's the native ZFS on
Solaris derivatives like the OmniOS I was on that has this quirk.
My coworker found the article you linked too, so I've actually seen that
already. My role at my company is to execute on the configurations, not
question them, so I will send that link to them for their future reference.
On Fri, Dec 16, 2016 at 11:37 AM, Chris Siebenmann <cks at cs.toronto.edu>
> > Apparently, using the "-f" (force) flag causes the error, and omitting
> > it does not.
> > This should probably be reported somewhere.
> > On Thu, Dec 15, 2016 at 6:46 PM, Locane <locane at gmail.com> wrote:
> > > I have a system running OmniOS, where a customer wants some large
> > > zpools set up. There are 2 pools with the attached disks, and the
> > > intent is to share the hot spare drives among them.
> Whoops, I missed this message the first time around.
> While our experience with shared spares is almost a decade old by
> now (and on Solaris 10), it was not positive. I have an old writeup
> from 2010 here:
> We wound up moving to a system where we had a separate spares management
> system that held 'spare' disks in reserve and deployed them into pools
> as needed. We had to do this by hand, but these days with ZFS on Linux
> I believe you could build a ZED script to do it easily and on the spot
> (driven by failures reported to ZED).
> It's possible that shared spares have been disabled in modern versions
> of ZFS because no one could fix all the bugs and get them to work well.
> - cks
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