Hello Christophe, Friday, February 1, 2008, 7:55:31 PM, you wrote:
CR> Hi all CR> we consider using ZFS for various storages (DB, etc). Most CR> features are great, especially the ease of use. CR> Nevertheless, a few questions : CR> - we are using SAN disks, so most JBOD recommandations dont CR> apply, but I did not find many experiences of zpool of a few terabytes on Luns... anybody ? Just works. CR> - we cannot remove a device from a pool. so no way of correcting CR> the attachment of a 200 GB LUN on a 6 TB pool on which oracle runs CR> ... am i the only one worrying ? You are not the only one. It's somewhere on ZFS developers list... CR> - on a sun cluster, luns are seen on both nodes. Can we prevent CR> mistakes like creating a pool on already assigned luns ? for CR> example, veritas wants a "force" flag. With ZFS i can do : CR> node1: zpool create X add lun1 lun2 CR> node2 : zpool create Y add lun1 lun2 CR> and then, results are unexpected, but pool X will never switch CR> again ;-) resource and zone are dead. Actually it should complain and using -f (force) option will have to be used to do something like above. CR> - what could be some interesting tools to test IO perfs ? did CR> someone run iozone and publish baseline, modifications and according results ? Check for filebench (included with recent SXCE). Also check list archives and various blogs (including mine) for some zfs benchmarks. -- Best regards, Robert Milkowski mailto:[EMAIL PROTECTED] http://milek.blogspot.com _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
