From: Bob Friesenhahn [mailto:bfrie...@simple.dallas.tx.us]
Sent: Tuesday, December 28, 2010 9:23 PM
The question of IOPS here is relevant to conversation because of ZIL
dedicated log. If you have advanced short-stroking to get the write
latency
of a log device down to zero, then it can
You do seem to misunderstand ZIL.
ZIL is quite simply write cache and using a short stroked rotating drive is
never going to provide a performance increase that is worth talking about
and more importantly ZIL was designed to be used with a RAM/Solid State
Disk.
We use sata2 *HyperDrive5* RAM
HyperDrive5 = ACard ANS9010
I have personally been wanting to try one of these for some time as a
ZIL device.
On 12/29/2010 06:35 PM, Kevin Walker wrote:
You do seem to misunderstand ZIL.
ZIL is quite simply write cache and using a short stroked rotating
drive is never going to provide a
I do the same with ACARD…
Works well enough.
Fred
From: zfs-discuss-boun...@opensolaris.org
[mailto:zfs-discuss-boun...@opensolaris.org] On Behalf Of Jason Warr
Sent: 星期四, 十二月 30, 2010 8:56
To: zfs-discuss@opensolaris.org
Subject: Re: [zfs-discuss] SAS/short stroking vs. SSDs for ZIL
On 12/29/2010 4:55 PM, Jason Warr wrote:
HyperDrive5 = ACard ANS9010
I have personally been wanting to try one of these for some time as a
ZIL device.
Yes, but do remember these require a half-height 5.25 drive bay, and
you really, really should buy the extra CF card for backup.
Also,
Had not even noticed the LVD version.
The biggest issue for me is not the form factor but the how hard it would be to
get the client I work for to accept them in the env given support issues.
- Reply message -
From: Erik Trimble erik.trim...@oracle.com
Date: Wed, Dec 29, 2010 19:52
