How can I verify if the ZIL has been disabled or not?
I am trying to see how much benefit I might get by using an SSD as a ZIL. I
disabled the ZIL via the ZFS Evil Tuning Guide:
echo zil_disable/W0t1 | mdb -kw
and then rebooted. However, I do not see any benefits for my NFS workload.
Thanks,
On 09/23/09 10:59, Scott Meilicke wrote:
How can I verify if the ZIL has been disabled or not?
I am trying to see how much benefit I might get by using an SSD as a ZIL. I
disabled the ZIL via the ZFS Evil Tuning Guide:
echo zil_disable/W0t1 | mdb -kw
- this only temporarily disables the
Le 23 sept. 09 à 19:07, Neil Perrin a écrit :
On 09/23/09 10:59, Scott Meilicke wrote:
How can I verify if the ZIL has been disabled or not? I am trying
to see how much benefit I might get by using an SSD as a ZIL. I
disabled the ZIL via the ZFS Evil Tuning Guide:
echo zil_disable/W0t1
Thank you both, much appreciated.
I ended up having to put the flag into /etc/system. When I disabled the ZIL and
umount/mounted without a reboot, my ESX host would not see the NFS export, nor
could I create a new NFS connection from my ESX host. I could get into the file
system from the host
On 23 September, 2009 - Scott Meilicke sent me these 0,5K bytes:
Thank you both, much appreciated.
I ended up having to put the flag into /etc/system. When I disabled
the ZIL and umount/mounted without a reboot, my ESX host would not see
the NFS export, nor could I create a new NFS
zfs share -a
Ah-ha! Thanks.
FYI, I got between 2.5x and 10x improvement in performance, depending on the
test. So tempting :)
-Scott
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