On Tue, May 4, 2010 at 11:34 AM, Brandon High wrote:
> On Tue, May 4, 2010 at 10:19 AM, Tony MacDoodle
> wrote:
> > How would one determine if I should have a separate ZIL disk? We are
> using
> > ZFS as the backend of our Guest Domains boot drives using LDom's. And we
> are
> > seeing bad/very
On May 6, 2010, at 8:34 AM, Edward Ned Harvey
wrote:
From: Pasi Kärkkäinen [mailto:pa...@iki.fi]
In neither case do you have data or filesystem corruption.
ZFS probably is still OK, since it's designed to handle this (?),
but the data can't be OK if you lose 30 secs of writes.. 30 secs o
> From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss-
> boun...@opensolaris.org] On Behalf Of Ragnar Sundblad
>
> But if you have an application, protocol and/or user that demands
> or expects persistant storage, disabling ZIL of course could be fatal
> in case of a crash. Examples are
> From: Pasi Kärkkäinen [mailto:pa...@iki.fi]
>
> > In neither case do you have data or filesystem corruption.
> >
>
> ZFS probably is still OK, since it's designed to handle this (?),
> but the data can't be OK if you lose 30 secs of writes.. 30 secs of
> writes
> that have been ack'd being done
On 6 maj 2010, at 08.17, Pasi Kärkkäinen wrote:
> On Wed, May 05, 2010 at 11:32:23PM -0400, Edward Ned Harvey wrote:
>>> From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss-
>>> boun...@opensolaris.org] On Behalf Of Robert Milkowski
>>>
>>> if you can disable ZIL and compare the perfor
On Wed, May 05, 2010 at 11:32:23PM -0400, Edward Ned Harvey wrote:
> > From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss-
> > boun...@opensolaris.org] On Behalf Of Robert Milkowski
> >
> > if you can disable ZIL and compare the performance to when it is off it
> > will give you an estim
> From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss-
> boun...@opensolaris.org] On Behalf Of Robert Milkowski
>
> if you can disable ZIL and compare the performance to when it is off it
> will give you an estimate of what's the absolute maximum performance
> increase (if any) by having
On 04/05/2010 18:19, Tony MacDoodle wrote:
How would one determine if I should have a separate ZIL disk? We are
using ZFS as the backend of our Guest Domains boot drives using
LDom's. And we are seeing bad/very slow write performance?
if you can disable ZIL and compare the performance to when
On Tue, May 4, 2010 at 10:19 AM, Tony MacDoodle wrote:
> How would one determine if I should have a separate ZIL disk? We are using
> ZFS as the backend of our Guest Domains boot drives using LDom's. And we are
> seeing bad/very slow write performance?
There's a dtrace script that Richard Elling
How would one determine if I should have a separate ZIL disk? We are using
ZFS as the backend of our Guest Domains boot drives using LDom's. And we are
seeing bad/very slow write performance?
Thanks
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