Re: [zfs-discuss] Downgrading a zpool

2008-11-06 Thread Mark J Musante
On Thu, 6 Nov 2008, Chris Ridd wrote: > I probably need to downgrade a machine from 10u5 to 10u3. The zpool on > u5 is a v4 pool, and AIUI 10u3 only supports up to v3 pools. The only difference between a v4 pool and a v3 pool is that v4 added history ('zpool history '). I would expect a v3 poo

Re: [zfs-discuss] Downgrading a zpool

2008-11-06 Thread Chris Ridd
On 6 Nov 2008, at 10:19, Christian Vallo wrote: > Hi Chris, > > i think there is no way to downgrade. I think you must copy/sync the > data from one pool (v4) to another pool (v3). Darn. I've managed to push back on doing the downgrade for now anyway... Cheers, Chris

Re: [zfs-discuss] Downgrading a zpool

2008-11-06 Thread Chris Ridd
On 6 Nov 2008, at 09:53, Ian Collins wrote: > Chris Ridd wrote: >> I probably need to downgrade a machine from 10u5 to 10u3. The zpool >> on >> u5 is a v4 pool, and AIUI 10u3 only supports up to v3 pools. >> >> Will this pool automatically import when I downgrade the OS? >> >> > No you are out

Re: [zfs-discuss] Downgrading a zpool

2008-11-06 Thread Ian Collins
Chris Ridd wrote: > I probably need to downgrade a machine from 10u5 to 10u3. The zpool on > u5 is a v4 pool, and AIUI 10u3 only supports up to v3 pools. > > Will this pool automatically import when I downgrade the OS? > > No you are out of luck. > Assuming I'm not that lucky, can I use 10u5'

[zfs-discuss] Downgrading a zpool

2008-11-06 Thread Chris Ridd
I probably need to downgrade a machine from 10u5 to 10u3. The zpool on u5 is a v4 pool, and AIUI 10u3 only supports up to v3 pools. Will this pool automatically import when I downgrade the OS? Assuming I'm not that lucky, can I use 10u5's zfs send to take a backup of the filesystems, and zfs