On Jul 31, 2010, at 8:56 PM, Gregory Gee wrote:
> I was thinking of adding an SDD ZIL to my pool, but then read this in the
> 'Best Practice Guide'.
>
> *
> Prior to pool version 19, if you have an unmirrored log device that fails,
> your whole pool is permanently lost.
> Prior to pool v
On Sun, 1 Aug 2010, Jim Doyle wrote:
You probably would not notice the performance effects of a SSD ZIL
on a home network ; so the price of the ticket may not be worth the
ride for you. OTOH,
There are cases where the SSD ZIL will offer tremendous improvement.
One of the common cases is when
> From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss-
> boun...@opensolaris.org] On Behalf Of Gregory Gee
>
> Edward, disabling ZIL might be ok, but let me characterize what my home
> server does and tell me if disabling ZIL is ok.
You should understand what it all means, and make your
On Sun, Aug 01, 2010 at 12:36:28PM -0700, Gregory Gee wrote:
> Jim, that ACARD looks really nice, but out of the price range for a
> home server.
>
> Edward, disabling ZIL might be ok, but let me characterize what my
> home server does and tell me if disabling ZIL is ok.
>
> My home OpenSolaris s
Jim, that ACARD looks really nice, but out of the price range for a home server.
Edward, disabling ZIL might be ok, but let me characterize what my home server
does and tell me if disabling ZIL is ok.
My home OpenSolaris server is only used for storage. I have a separate linux
box that runs
You probably would not notice the performance effects of a SSD ZIL on a home
network ; so the price of the ticket may not be worth the ride for you. OTOH,
you would notice a significant improvement by using that SSD as an L2ARC
device. Because the head latency on consumer 1TB drives is so long, t
On Sat, 31 Jul 2010, Gregory Gee wrote:
The maximum size of a log device should be approximately 1/2 the
size of physical memory because that is the maximum amount of
potential in-play data that can be stored. For example, if a system
has 16 Gbytes of physical memory, consider a maximum log de
> From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss-
> boun...@opensolaris.org] On Behalf Of Gregory Gee
>
> Prior to pool version 19, mirroring the log device is highly
> recommended.
>
> I have the following.
>
> This system is currently running ZFS pool version 14.
>
> This r
I was thinking of adding an SDD ZIL to my pool, but then read this in the 'Best
Practice Guide'.
*
Prior to pool version 19, if you have an unmirrored log device that fails, your
whole pool is permanently lost.
Prior to pool version 19, mirroring the log device is highly recommended.
***
