Date: Wed, 17 Dec 2014 13:50:32 -0700 From: jd1008 <jd1008@gmail.com> To: Mike Tancsa <mike@sentex.net>, freebsd-questions@freebsd.org Subject: Re: zfs and 512/4096 sector sizes Message-ID: <5491EC98.3000507@gmail.com> In-Reply-To: <5491EBA1.6080606@sentex.net> References: <5491E462.2020902@sentex.net> <5491E5A0.9090306@gmail.com> <5491E61B.9070505@bluerosetech.com> <5491E775.5010403@gmail.com> <5491E82D.8090105@sentex.net> <5491EA62.2080401@gmail.com> <5491EBA1.6080606@sentex.net>
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On 12/17/2014 01:46 PM, Mike Tancsa wrote: > 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 > > > Can you not dismantle the pool without destroying the data? I mean what if you took it offline, rebuilt the pool with the same drives in the same slots (one at a time - and recheck status)?
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