This issue with not having RAID on the front end solaris box is what happens when 1 of the backend thumpers dies. I would imagine that the entire zpool would become useless if 1 of the thumpers should die since the data would be across all the thumpers.
Tim wrote: > What you want to do should actually be pretty easy. On the thumper's, > just do your normal raid-z/raid-z2, and export them to the solaris box. > Then on the solaris box, you just create a zpool, and add the LUN's one > at a time. No raid at all. The system should just stripe across all of > the LUN's automagically, and since you're already doing your raid on the > thumper's, they're *protected*. You can keep growing the zpool > indefinitely, I'm not aware of any maximum disk limitation. > > > On Tue, Mar 25, 2008 at 6:12 PM, Larry Lui <[EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]>> wrote: > > Hello, > I have a situation here at the office I would like some advice on. > > I have 6 Sun Fire x4550(Thumper) that I want to aggregate the storage > and create a unified namespace for my client machines. My plan was to > export the zpools from each thumper as an iscsi target to a Solaris > machine and create a RAIDZ zpool from the iscsi targets. I think this > is what they call RAID plaiding(RAID on RAID). This Solaris frontend > machine would then share out this zpool via NFS or CIFS. > > My question is what is the best solution for this? The question i'm > facing is how to add additional thumpers since you cannot expand a RAIDZ > array. > > Thanks for taking the time to read this. > > Larry > _______________________________________________ > zfs-discuss mailing list > zfs-discuss@opensolaris.org <mailto:zfs-discuss@opensolaris.org> > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss > > -- Larry Lui BIRN Coordinating Center UC San Diego 9500 Gilman Drive La Jolla, CA 92093 email: llui at ncmir dot ucsd dot edu phone: 858-822-0702 fax: 858-822-0828 _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss