[zfs-discuss] Migration of a Thumper to bigger HDDs

2012-05-15 Thread Jim Klimov
Hello all, I'd like some practical advice on migration of a Sun Fire X4500 (Thumper) from aging data disks to a set of newer disks. Some questions below are my own, others are passed from the customer and I may consider not all of them sane - but must ask anyway ;) 1) They hope to use 3Tb disks,

Re: [zfs-discuss] Migration of a Thumper to bigger HDDs

2012-05-15 Thread Casper . Dik
Hello all, I'd like some practical advice on migration of a Sun Fire X4500 (Thumper) from aging data disks to a set of newer disks. Some questions below are my own, others are passed from the customer and I may consider not all of them sane - but must ask anyway ;) 1) They hope to use 3Tb disks,

Re: [zfs-discuss] Migration of a Thumper to bigger HDDs

2012-05-15 Thread Jim Klimov
Urgent interrupt processed, I got back to my questions :) Thanks Casper for his suggestion, the box is scheduled to reboot soon and I'll try newer Solaris (oi_151a3 probably) as well. UPDATE: Yes, oi_151a3 has seen all 2.73Tb of the disk, so my old question is resolved: the original Thumper (Sun

Re: [zfs-discuss] Migration of a Thumper to bigger HDDs

2012-05-15 Thread Bob Friesenhahn
You forgot IDEA #6 where you take advantage of the fact that zfs can be told to use sparse files as partitions. This is rather like your IDEA #3 but does not require that disks be partitioned. This opens up many possibilities. Whole vdevs can be virtualized to files on (i.e. moved onto)