You can zpool replace a bad slog device now.
From which kernel release is this implemented/working?
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On Sun, Aug 23 at 14:11, Tristan Ball wrote:
Hang on, in reading that his initial results were 50 writes a second, with
the default xfs write barriers, which to me implies that the drive is
honouring the cache flush. The fact that write rate jumps so significantly
when he turns off
On Aug 23, 2009, at 12:11 AM, Tristan Ball tristan.b...@leica-microsystems.com
wrote:
Ross Walker wrote:
[snip]
We turned up our X4540s, and this same tar unpack took over 17
minutes! We disabled the ZIL for testing, and we dropped this to
under 1 minute. With the X25-E as a
On Aug 23, 2009, at 9:59 AM, Ross Walker rswwal...@gmail.com wrote:
On Aug 23, 2009, at 12:11 AM, Tristan Ball tristan.b...@leica-microsystems.com
wrote:
Ross Walker wrote:
[snip]
We turned up our X4540s, and this same tar unpack took over 17
minutes! We disabled the ZIL for
On 08/20/09 06:41, Greg Mason wrote:
Something our users do quite a bit of is untarring archives with a lot
of small files. Also, many small, quick writes are also one of the many
workloads our users have.
Real-world test: our old Linux-based NFS server allowed us to unpack a
particular
On Aug 22, 2009, at 5:21 PM, Neil Perrin neil.per...@sun.com wrote:
On 08/20/09 06:41, Greg Mason wrote:
Something our users do quite a bit of is untarring archives with a
lot of small files. Also, many small, quick writes are also one of
the many workloads our users have.
Real-world
On Aug 22, 2009, at 7:33 PM, Ross Walker rswwal...@gmail.com wrote:
On Aug 22, 2009, at 5:21 PM, Neil Perrin neil.per...@sun.com wrote:
On 08/20/09 06:41, Greg Mason wrote:
Something our users do quite a bit of is untarring archives with a
lot of small files. Also, many small, quick
who has experience
with this, not just Greg.
Monish
- Original Message - From: Greg Mason gma...@msu.edu
To: HUGE | David Stahl dst...@hugeinc.com
Cc: zfs-discuss zfs-discuss@opensolaris.org
Sent: Thursday, August 20, 2009 4:04 AM
Subject: Re: [zfs-discuss] Ssd for zil on a dell 2950
Something our users do quite a bit of is untarring
archives with a lot
of small files. Also, many small, quick writes are
also one of the many
workloads our users have.
Real-world test: our old Linux-based NFS server
allowed us to unpack a
particular tar file (the source for boost
How about the bug removing slog not possible? What if this slog fails? Is
there a plan for such situation (pool becomes inaccessible in this case)?
You can zpool replace a bad slog device now.
-Greg
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Greg Mason wrote:
How about the bug removing slog not possible? What if this slog
fails? Is there a plan for such situation (pool becomes inaccessible
in this case)?
You can zpool replace a bad slog device now.
And I can testify that it works as described.
Steve
--
Stephen Green
Greg Mason wrote:
How about the bug removing slog not possible?
What if this slog
fails? Is there a plan for such situation (pool
becomes inaccessible
in this case)?
You can zpool replace a bad slog device now.
And I can testify that it works as described.
I meant this
We have a setup with ZFS/ESX/NFS and I am looking to move our zil to a solid
state drive.
So far I am looking into this one
http://www.newegg.com/Product/Product.aspx?Item=N82E16820167013
Does anyone have any experience with this drive as a poorman¹s logzilla?
And also what have other people
To: HUGE | David Stahl dst...@hugeinc.com
Cc: zfs-discuss zfs-discuss@opensolaris.org
Sent: Thursday, August 20, 2009 4:04 AM
Subject: Re: [zfs-discuss] Ssd for zil on a dell 2950
Hi David,
We are using them in our Sun X4540 filers. We are actually using 2 SSDs
per pool, to improve throughput (since
: [zfs-discuss] Ssd for zil on a dell 2950
Hi David,
We are using them in our Sun X4540 filers. We are actually using 2 SSDs
per pool, to improve throughput (since the logbias feature isn't in an
official release of OpenSolaris yet). I kind of wish they made an 8G or
16G part, since the 32G
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