On Mar 3, 2009, at 20:51, Richard Elling wrote:
This seems unusual, unless the EMC is mismatched wrt how they may have
implemented cache flush. The issues around this are described in
the Evil
Tuning Guide
http://www.solarisinternals.com/wiki/index.php/ZFS_Evil_Tuning_Guide#Cache_Flushes
Under the 5/08 and snv_72 note, the following text appears:
The sd and ssd drivers should properly handle the SYNC_NV bit, so no
changes should be needed.
I'm assuming this relates to:
http://bugs.opensolaris.org/bugdatabase/view_bug.do?bug_id=6462690
So the caching-flushing scenario shouldn't be a problem with newer
Solaris releases on higher-end arrays (assuming they support SBC-2's
SYNV_NV).
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