[zfs-code] Raid-Z expansion

2007-07-29 Thread MC
> As has been mentioned on this forum, this would > require a significant change > to the way RAID-Z works. To my knowledge there is no > such project at present. > Do you have a use case where this is required? > > Adam > > On Sat, Jul 07, 2007 at 03:37:19PM -0400, Echo B > wrote: > > Apologies

[zfs-code] Raid-Z expansion

2007-07-29 Thread MC
> You can do that with ZFS today. I appreciate what you are saying, but we are talking about different things. RAIDz does not let you do this: Start from one disk, add another disk to mirror the data, add another disk to make it a RAIDz array, and add another disk to increase the size of the

[zfs-code] Raid-Z expansion

2007-07-31 Thread MC
> Do they take the pool offline while they migrate data to the new device in > the RAID stripe or do they do this online? I think they (readynas, drobo, Linux mdadm) can do it online, but either way, getting the job done is what matters most. I'm talking about small consumer systems here, so

[zfs-code] RAIDZ(2) expansion?

2007-12-23 Thread MC
Last I heard there were no plans to implement this. I'd like to see it too, but not everyone knows or cares about it. -- This messages posted from opensolaris.org