>On Thu, May 13, 2010 at 06:09:55PM +0200, Roy Sigurd Karlsbakk wrote:
>> 1. even though they're 5900, not 7200, benchmarks I've seen show they are 
>> quite good 
>
>Minor correction, they are 5400rpm.  Seagate makes some 5900rpm drives.
>
>The "green" drives have reasonable raw throughput rate, due to the
>extremely high platter density nowadays.  however, due to their low
>spin speed, their average-access time is significantly slower than
>7200rpm drives.
>
>For bulk archive data containing large files, this is less of a concern.
>
>Regarding slow reslivering times, in the absence of other disk activity,
>I think that should really be limited by the throughput rate, not the
>relatively slow random i/o performance...again assuming large files
>(and low fragmentation, which if the archive is write-and-never-delete
>is what i'd expect).

My experience is that they resilver fairly quickly and scrbs aren't slow
either. (300GB in 2hrs)

Casper

_______________________________________________
zfs-discuss mailing list
zfs-discuss@opensolaris.org
http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Reply via email to