On Jun 21, 2007, at 3:25 PM, Bryan Wagoner wrote:
Quick question,
Are there any tunables, or is there any way to specify devices in a
pool to use for the ZIL specifically? I've been thinking through
architectures to mitigate performance problems on SAN and various
other storage technologies where disabling ZIL or cache flushes has
been necessary to make up for performance and was wondering if
there would be a way to specify a specific device or set of devices
for the ZIL to use separate of the data devices so I wouldn't have
to disable it in those circumstances.
See:
6339640 Make ZIL use NVRAM when available.
Neil has done some really nice work and is very close to putting
back... wait a couple of days...
eric
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