Query the size of the other drives in the vdev, obviously. ;) So long as the replacement is larger than the smallest remaining drive, it'll work. On Sep 5, 2012 8:57 AM, "Yaverot" <yave...@computermail.net> wrote:
> > > --- skiselkov...@gmail.com wrote: > >On 09/05/2012 05:06 AM, Yaverot wrote: > > "What is the smallest sized drive I may use to replace this dead drive?" > > > > That information has to be someplace because ZFS will say that drive Q > is too small. Is there an easy way to query that information? > > >I use fdisk to find this out. For instance say your drive you want to > find the size of is c2t4d0, then do: > > ># fdisk /dev/rdsk/c2t4d0p0 > > I guess that'll teach me yet again to ask the right question. > > Scenario: > machine has multiple pools (rpool, tank) > pool tank has multiple vdevs all raidz2, the drives in the pool vary from > 500G to 3T in capacity. > c64t0d0 has failed and no longer responds to I/O, so it can't be queried > with the fdisk trick above. > I know the failed disk is 1.5T, but before I go buy the replacement, I > want to know if I can replace it with a 1T, or if it needs to be 2T (since > 1.5T was a stopgap size instead of a longterm not-too-big-not-too-small > size I saw it). > ZFS knows that a device I'm about to stick in is too small, so how do I > query that information for required minimum size? > > _______________________________________________ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss >
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