Date: Tue, 5 Jun 2012 12:28:15 +0000 From: Holger Kipp <Holger.Kipp@alogis.com> To: "Patrick M. Hausen" <hausen@punkt.de> Cc: "freebsd-stable@freebsd.org Mailing List" <freebsd-stable@freebsd.org> Subject: Re: ZFS autoexpand when there are 2 raidz2 vdevs Message-ID: <1A593EEC-0D72-450C-8729-0A7F7FE80713@alogis.com> In-Reply-To: <3CC42829-EED0-4F40-A046-7191498B1850@punkt.de> References: <3CC42829-EED0-4F40-A046-7191498B1850@punkt.de>
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Dear Patrick Am 05.06.2012 um 13:29 schrieb "Patrick M. Hausen" <hausen@punkt.de>: > Hi, all, > > during the last couple of years I occasionally increased the capacity > of raidz2 based zpools by replacing one disk at a time and resilvering, > subsequently. After replacing the final disk and a reboot (I guess > zpool export & zpool import would have done the trick, too) the capacity > of the FS on top of that pool was increased according to the size of > the new disk. All of theses systems had a pool built on one single vdev. > > Last week I exchanged all disks of one vdev that is part of a 2 vdev > zpool. According to the Solaris documentation I found that should be > possible. I always assumed vdevs were sort of independent of each > other. > > My observations: > > During resilvering the activity LEDs of all 12 disks were showing heavy > load, not only the ones of the 6 disks being part of the vdev in question= . > > After exchanging all 6 disks the capacity stayed the same. I tried > > zpool export, zpool import > reboot > zpool scrub > > to no avail. I used zpool set autoextend=3Don tank zpool online -e tank da0 zpool online -e tank da1 ... zpool online -e tank da7 to increase the size of a raidz2 here from 5+ to 11+TB. Worked without problems. This was with v28. Please check manages etc. for further explanations. Best regards, Holger -- Holger Kipp Diplom-Mathematiker Senior Consultant Tel. : +49 30 436 58 114 Fax. : +49 30 436 58 214 Mobil: +49 178 36 58 114 Email: holger.kipp@alogis.com alogis AG Alt-Moabit 90b D-10559 Berlin web : http://www.alogis.com ---------------------------------------------------------- alogis AG Sitz/Registergericht: Berlin/AG Charlottenburg, HRB 71484 Vorstand: Arne Friedrichs, Joern Samuelson Aufsichtsratsvorsitzender: Reinhard Mielke
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