On 3/4/08, Brian Hechinger <[EMAIL PROTECTED]> wrote: > > I realize I can't remove devices from a vdev, which, well, sucks and > all, but I'm not going to complain about that. ;) > > I have 4x500G disks in a RAIDZ. I'd like to repurpose one of them as > I'm finding that all that space isn't really needed and that one disk > would serve me much better elsewhere (as the second half of a mirror > in a machine going into colo). > > SYS1 124G 1.21T 29.9K /SYS1 > > the only other storage in the machine is the small 60G pool made up of > the remains of the OS disks, which is not going to be enough space to > hold this all while I rebuild the array. > > Is there any way that I could possibly get one of the disks out of the > pool long enough to be used as temp space while I rebuild the array with > just 3 disks? > > I'm thinking either to pull it out of the machine and scribble all over > it in another machine so that it no longer has its ZFS bits on it. If > this plan works, then it would just be a blank disk (although it will > have the same dev id, so I don't know if zfs will pick it back up anyway). > > The other plan is to replace it with a file that resides on the 60G > partition. This seems more likely to work, but I don't know how that'd > work out with the fact that the file would be a lot smaller than the > actual pool. Maybe a thinly provisioned dev would do the trick, as I > could then make it look like 500G, but it would only really use what > it needed to resync the pool. > > Is this logic all correct based on how ZFS works on snv_64a? > > I could also upgrade first if that's at all recommended, it's something > I've been meaning to do anyway. > > -brian > -- > "Perl can be fast and elegant as much as J2EE can be fast and elegant. > In the hands of a skilled artisan, it can and does happen; it's just > that most of the shit out there is built by people who'd be better > suited to making sure that my burger is cooked thoroughly." -- Jonathan > Patschke > _______________________________________________ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss >
I'd suggest going the "pull one disk" route. Stick it into another machine, reformat it with gparted (http://gparted-livecd.tuxfamily.org/), and you're on your way.
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