On Wed, September 16, 2009 10:31, Edward Ned Harvey wrote: >> Hi. If I am using slightly more reliable SAS drives versus SATA, SSDs >> for both L2Arc and ZIL and lots of RAM, will a mirrored pool of say 24 >> disks hold any significant advantages over a RAIDZ pool? > > Generally speaking, striping mirrors will be faster than raidz or raidz2, > but it will require a higher number of disks and therefore higher cost to > get the same usable space. The main reason to use raidz or raidz2 instead > of striping mirrors would be to keep the cost down, or to get higher > usable space out of a fixed number of drives.
And if you want space /and/ speed, then ZFS' hybrid storage pools is something worth looking into. _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
