Thank you all for reply. I will do the recommendation and see if there is any change in performance. I had seen the documents in the link but I needed to make sure that we can not do anything to improve the performance before going to storage guys. Thanks again, Vahid.
On Tue, Mar 3, 2009 at 9:44 PM, David Magda <dma...@ee.ryerson.ca> wrote: > > 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). > > > _______________________________________________ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss > -- This e-mail address is not monitored so please do not send me anything important here. Thanks.
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