On 12/02/08 03:47, River Tarnell wrote:
hi,
i have a system connected to an external DAS (SCSI) array, using ZFS. the
array has an nvram write cache, but it honours SCSI cache flush commands by
flushing the nvram to disk. the array has no way to disable this behaviour.
a
well-known
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hi,
i have a system connected to an external DAS (SCSI) array, using ZFS. the
array has an nvram write cache, but it honours SCSI cache flush commands by
flushing the nvram to disk. the array has no way to disable this behaviour. a
well-known
Peter Tribble writes:
A question regarding zfs_nocacheflush:
The Evil Tuning Guide says to only enable this if every device is
protected by NVRAM.
However, is it safe to enable zfs_nocacheflush when I also have
local drives (the internal system drives) using ZFS, in particular if
A question regarding zfs_nocacheflush:
The Evil Tuning Guide says to only enable this if every device is
protected by NVRAM.
However, is it safe to enable zfs_nocacheflush when I also have
local drives (the internal system drives) using ZFS, in particular if
the write cache is disabled on those
Hello Peter,
Wednesday, July 30, 2008, 9:19:30 AM, you wrote:
PT A question regarding zfs_nocacheflush:
PT The Evil Tuning Guide says to only enable this if every device is
PT protected by NVRAM.
PT However, is it safe to enable zfs_nocacheflush when I also have
PT local drives (the internal
