zfs and 512/4096 sector sizes

Mike Tancsa mike at sentex.net
Wed Dec 17 20:46:31 UTC 2014


On 12/17/2014 3:41 PM, jd1008 wrote:
> One last suggestion:
> dismantle the whole pool (i.e. remove the drives)
> and rebuild it fresh using only 512 byte sector drives.
> Whole adding the drives back in, one at a time,
> recheck the status after each add and see if the
> error status appears.

I was hoping for a rather less intrusive option than backing up 10TB of 
data. Although its a backup of a backup (ie offsite) I was hoping there 
was a less drastic option available.

I am confident if I "started fresh" with just the 512k sector drives, it 
will work fine.   The question which remains is, if I replace a single 
512 sector drive with a 4k sector drive, and then replace the 4k with 
another 512k, is there a way to remove said warning, or has something 
changed about the pool that cannot be undone

	---Mike



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Mike Tancsa, tel +1 519 651 3400
Sentex Communications, mike at sentex.net
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