On Fri, Sep 26, 2008 at 5:46 PM, Ross Becker <[EMAIL PROTECTED]>wrote:
> Okay, after doing some testing, it appears that the issue is on the ZFS > side. I fiddled around a while with options on the areca card, and never > got any better performance results than my first test. So, my best out of > the raidz2 is 42 mb/s write and 43 mb/s read. I also tried turning off > crc's (not how I'd run production, but for testing), and got no performance > gain. > > After fiddling with options, I destroyed my zfs & zpool, and tried some > single-drive bits. I simply used newfs to create filesystems on single > drives, mounted them, and ran some single-drive bonnie++ tests. On a single > drive, I got 50 mb/sec write & 70 mb/sec read. I also tested two > benchmarks on two drives simultaneously, and on each of the tests, the > result dropped by about 2mb/sec, so I got a combined 96 mb/sec write & 136 > mb/sec read with two separate UFS filesystems on two separate disks. > > So.... next steps? > > --ross > -- > This message posted from opensolaris.org > _______________________________________________ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss > Did you try disabling the card cache as others advised? --Tim
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