zfs replace will copy across on to the disk with the same old ashift=9, whereas you want ashift=12 for 4KB drives. (size = 2^ashift)
You'd need to make a new pool (or add a vdev to an existing pool) with the modified tools in order to get proper performance out of 4KB drives. On 7 January 2011 17:43, Matthew Angelo <bang...@gmail.com> wrote: > Hi ZFS Discuss, > > I have a 8x 1TB RAIDZ running on Samsung 1TB 5400rpm drives with 512b > sectors. > > I will be replacing all of these with 8x Western Digital 2TB drives > with support for 4K sectors. The replacement plan will be to swap out > each of the 8 drives until all are replaced and the new size (~16TB) > is available with a `zfs scrub`. > > My question is, how do I do this and also factor in the new 4k sector > size? or should I find a 2TB drive that still uses 512b sectors? > > > Thanks > _______________________________________________ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss >
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