Am 29.11.2012 16:48, schrieb [email protected]:
Beware, the intel 313 ssd seems to have no power loss protection:
http://ark.intel.com/products/66290/Intel-SSD-313-Series-24GB-mSATA-3Gbs-25nm-SLC
zil is relying on this feature.
(from Michael)
and
Anyhow, if at all possible - do back up your data before trying this all:)
(from Jim)
I have chosen a device without a supercap because my environment is based on
non-enterprise HW. The server has only a single PSU with the option to get a
second one. The shelf where the ZIL disk resides has dual PSUs connected. The
whole thing is connected to a single phase UPS.
The data that will be affected are for test databases.
As far as I am aware, the loss of the ZIL is no longer fatal for the pool in
current zfs versions. As well, even with a corrupted ZIL, the pool should be
recoverable. Hence, I was so far not worried too much. Should I better be?
BR
Sebastian
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