From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss-
boun...@opensolaris.org] On Behalf Of Chris Twa
My plan now is to buy the ssd's and do extensive testing. I want to
focus my performance efforts on two zpools (7x146GB 15K U320 + 7x73GB
10k U320). I'd really like two ssd's for
On Fri, August 13, 2010 07:52, Edward Ned Harvey wrote:
If you have ZIL disabled, then sync=async. Up to 30sec of all writes are
lost. Period.
But there is no corruption or data written out-of-order. The end result
is as-if you halted the server suddenly, flushed all the buffers to disk,
I have three zpools on a server and want to add a mirrored pair of ssd's for
the ZIL. Can the same pair of SSDs be used for the ZIL of all three zpools or
is it one ZIL SLOG device per zpool?
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On 12/08/2010 07:27, Chris Twa wrote:
I have three zpools on a server and want to add a mirrored pair of ssd's for
the ZIL. Can the same pair of SSDs be used for the ZIL of all three zpools or
is it one ZIL SLOG device per zpool?
Only if you partition it up and give slices to the pools,
From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss-
boun...@opensolaris.org] On Behalf Of Chris Twa
I have three zpools on a server and want to add a mirrored pair of
ssd's for the ZIL. Can the same pair of SSDs be used for the ZIL of
all three zpools or is it one ZIL SLOG
People are always tempted to put more than one log onto a SSD because
Hey,
the system could never use more than 8G, but I've got a 32G drive!
What a
waste of money! Which has some truth in it. But the line of thought
you
should have is Hey, the system will do its best to max out the
Thank you everyone for your answers.
Cost is a factor, but the main obstacle is that the chassis will only support
four SSDs (and that's with using the spare 5.25 bay for a 4x2.5 hotswap bay).
My plan now is to buy the ssd's and do extensive testing. I want to focus my
performance efforts