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Le 09/07/2010 01:37, Edward Ned Harvey a écrit :
From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss-
boun...@opensolaris.org] On Behalf Of Philippe Schwarz
.
But if you're impressed with performance by enabling writeback, you can
still
On 7/11/2010 3:21 AM, Philippe Schwarz wrote:
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Hi,
i bought a little SSD (OCZ Agility 30GB) and added half to L2ARC and
second half to ZIL:
zpool add zfsda1 log da3s2
zpool add zfsda1 cache da3s1
zpool status
pool: zfsda1
state: ONLINE
On Sun, 11 Jul 2010, Philippe Schwarz wrote:
But, at the end of the copy process (copy a 1GB file from to the same
pool), the used capacity of the ZIL remains unchanged... Puzzling..
- - And ,last but not least... the copy isn't faster at all!
Note that the slog device is only used for
Instead, create Single Disk arrays for each disk.
I have a question related to this but with a different controller: If I'm using
a RAID controller to provide non-RAID single-disk volumes, do I still lose out
on the hardware-independence advantage of software RAID that I would get from a
On 7/10/2010 1:14 AM, Graham McArdle wrote:
Instead, create Single Disk arrays for each disk.
I have a question related to this but with a different controller: If I'm using
a RAID controller to provide non-RAID single-disk volumes, do I still lose out
on the hardware-independence
On Jul 10, 2010, at 5:46 AM, Erik Trimble erik.trim...@oracle.com wrote:
On 7/10/2010 1:14 AM, Graham McArdle wrote:
Instead, create Single Disk arrays for each disk.
I have a question related to this but with a different controller: If I'm
using a RAID controller to provide non-RAID
On Jul 8, 2010, at 4:37 PM, Edward Ned Harvey wrote:
From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss-
boun...@opensolaris.org] On Behalf Of Philippe Schwarz
3Ware cards
Any drawback (except that without BBU, i've got a pb in case of power
loss) in enabling the WC with ZFS
You want the write cache enabled, for sure, with ZFS. ZFS will do the
right thing about ensuring write cache is flushed when needed.
For the case of a single JBOD, I don't find it surprising that UFS beats
ZFS. ZFS is designed for more complex configurations, and provides much
better data
On Thu, Jul 8, 2010 at 6:10 AM, Philippe Schwarz p...@schwarz-fr.net wrote:
With dual-Xeon, 4GB of Ram (will be 8GB in a couple of weeks), two PCI-X
3Ware cards 7 Sata disks (750G 1T) over FreeBSD 8.0 (But i think it's
OS independant), i made some tests.
The disks are exported as JBOD, but i
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Le 08/07/2010 18:52, Freddie Cash a écrit :
On Thu, Jul 8, 2010 at 6:10 AM, Philippe Schwarz p...@schwarz-fr.net wrote:
With dual-Xeon, 4GB of Ram (will be 8GB in a couple of weeks), two PCI-X
3Ware cards 7 Sata disks (750G 1T) over FreeBSD 8.0
On 8 jul 2010, at 17.23, Garrett D'Amore wrote:
You want the write cache enabled, for sure, with ZFS. ZFS will do the
right thing about ensuring write cache is flushed when needed.
That is not for sure at all, it all depends on what the right thing
is, which depends on the application and/or
On Fri, 2010-07-09 at 00:23 +0200, Ragnar Sundblad wrote:
On 8 jul 2010, at 17.23, Garrett D'Amore wrote:
You want the write cache enabled, for sure, with ZFS. ZFS will do the
right thing about ensuring write cache is flushed when needed.
That is not for sure at all, it all depends on
From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss-
boun...@opensolaris.org] On Behalf Of Philippe Schwarz
3Ware cards
Any drawback (except that without BBU, i've got a pb in case of power
loss) in enabling the WC with ZFS ?
If you don't have a BBU, and you care about your
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