Thanks relling. I suppose at the end of the day any file system/volume manager has it's flaws so perhaps it's better to look at the positives of each and decide based on them.
So, back to my question above, is there a deciding argument [i]against[/i] putting data on the install volume (rpool). Forget about mirroring for a sec; 1) Select 3 disks during install creating raidz1. Create a further 4x 3 drive raidz1's, giving me a 10TB rpool with no spare disks 2) Select 5 disks during install creating raidz1. Create a further 2x 5 drive raidsz1's giving me a 12TB rpool with no spare disks 3) Select 7 disks during install creating raidz1. Create a further 7 drive raidz1 giving me 12TB rpool with 1 spare disk As there is no space gain between 2) and 3) there is no point going for 3), other than having a spare disk, but resilver times would be slower. So it becomes between 1) and 2). Neither offer spare disks but 1) would offer faster resilver times with upto 5 simultaneous disk failures and 2) would offer 2TB extra space with upto 3 simultaneous disk failures. FYI, I am using Samsung SpinPoint F2's, which have the variable RPM speeds (http://www.scan.co.uk/products/1tb-samsung-hd103si-ecogreen-f2-sata-3gb-s-32mb-cache-89-ms-ncq) I may wait at least until I get the next 4 drives in (I actually have 6 at the mo, not 5) taking me to 10, before migrating to ZFS so plenty of time to think about it and hopefully time for them to fix resilvering! ;-) Thanks again... -- This message posted from opensolaris.org _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
