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Missing read stats for zpool iostat?

807557Mar 17 2010 — edited Mar 18 2010

All,

I'm working on benchmarking a T5240 w/ ZFS storage pools and a new Hitachi AMS2300. I'm using iozone and bonnie++ to benchmark. Iozone gives me stats for read performance, but the Hitachi doesn't record and read commands. Odd. Using zpool iostat <storage pool> also doesn't report and read commands for any of the tests I've done. Even if i cp a large zip file to the fs and then unzip it, I only get write stats, no read stats. What am I missing here? Do these missing stats have something to do with ZFS?

How can I get reliable performance stats about each zpools workload and performance?

Thanks,

Demian

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Locked on Apr 15 2010

Added on Mar 17 2010

#oracle-solaris, #solaris-10

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