On Sun, Feb 8, 2009 at 1:29 AM, Frank Cusack <fcus...@fcusack.com> wrote: > > what mirror? there is no mirror. you have a raidz. you can have 1 > disk failure.
Thanks for the correction. I was thinking RAIDZ, but typed "mirror". I have only RAIDZs on my servers. > >> - if disks a and c fail, then I will be be able to read from disks b >> and d. Is this understanding correct ? > > no. you will lose all the data if 2 disks fail. > > The part of the slides you are referring to is in reference to ditto > blocks, which allow failure of PARTS of a SINGLE disk. > Thanks. I've started to read the various ZFS documentation. -- Sriram _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss