On Wed, Jun 11, 2014 at 8:12 PM, Paul B. Henson <hen...@acm.org> wrote:
> On Wed, Jun 11, 2014 at 07:01:01PM +0200, Natxo Asenjo wrote: > > > 1. c4t13d1 <ATA-WDCWD1600BJKT-7-1A11 cyl 19454 alt 2 hd 255 sec > 63> > > /pci@0,0/pci1022,9603@2/pci1014,3b1@0/sd@d,1 > > 2. c4t14d1 <ATA-WDCWD2500BPVT-0-1A01 cyl 30398 alt 2 hd 255 sec > 63> > > /pci@0,0/pci1022,9603@2/pci1014,3b1@0/sd@e,1 > [...] > > # zpool attach -f rpool c4t13d1s0 c4t14d1s0 > > cannot attach c4t14d1s0 to c4t13d1s0: devices have different sector > > alignment > > > > Any ideas? > > Looks like the WD2500BPVT has "Advanced Format Technology", ie 4k > sectors: > > http://www.newegg.com/Product/Product.aspx?Item=N82E16822136565 > > Whereas the WD1600BJKT is a classic 512 byte sector device. > > You can't currently add a 4k sector drive to a vdev using 512 byte sectors. > Any chance you could do the initial install to the 4k device, and then > add the 512 byte device as the second half of the mirror? I think that > would work. Or you could trick the OS into thinking the 512 byte device > actually has 4k sectors... > > http://blog.delphix.com/gwilson/2012/11/15/4k-sectors-and-zfs/ > thanks for the info. I think I will reinstall to the WD2500BPVT after a quick read of both your link and Dale's ... -- regards, natxo
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