[zfs-discuss] cannot replace X with Y: devices have different sector alignment

2012-09-23 Thread LIC mesh
Well this is a new one Illumos/Openindiana let me add a device as a hot spare that evidently has a different sector alignment than all of the other drives in the array. So now I'm at the point that I /need/ a hot spare and it doesn't look like I have it. And, worse, the other spares I have

Re: [zfs-discuss] cannot replace X with Y: devices have different sector alignment

2012-09-23 Thread Timothy Coalson
I think you can fool a recent Illumos kernel into thinking a 4k disk is 512 (incurring a performance hit for that disk, and therefore the vdev and pool, but to save a raidz1, it might be worth it): http://wiki.illumos.org/display/illumos/ZFS+and+Advanced+Format+disks , see Overriding the Physical