Date: Mon, 02 Aug 2010 19:27:27 -0400 From: Dan Langille <dan@langille.org> To: freebsd-stable@freebsd.org Subject: Re: Where's the space? raidz2 Message-ID: <4C57545F.2050907@langille.org> In-Reply-To: <4C5750A4.7050104@langille.org> References: <4C5750A4.7050104@langille.org>
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On 8/2/2010 7:11 PM, Dan Langille wrote: > I recently altered an existing raidz2 pool from using 7 vdevs of about > 931G to 1.81TB. In fact, the existing pool used half of each HDD. I then > wanted to go to using [almost] all of each HDD. > > I offline'd each vdev, adjusted the HDD paritions using gpart, then > replaced the vdev. After letting the resilver occur, I did the next vdev. > > The space available after this process did not go up as I expected. I > have about 4TB in the pool, not the 8 or 9TB I expected. This fixed it: # df -h Filesystem Size Used Avail Capacity Mounted on /dev/mirror/gm0s1a 989M 508M 402M 56% / devfs 1.0K 1.0K 0B 100% /dev /dev/mirror/gm0s1e 3.9G 500K 3.6G 0% /tmp /dev/mirror/gm0s1f 58G 4.6G 48G 9% /usr /dev/mirror/gm0s1d 3.9G 156M 3.4G 4% /var storage 512G 1.7G 510G 0% /storage storage/pgsql 512G 1.7G 510G 0% /storage/pgsql storage/bacula 3.7T 3.2T 510G 87% /storage/bacula storage/Retored 510G 39K 510G 0% /storage/Retored # zpool export storage # zpool import storage # df -h Filesystem Size Used Avail Capacity Mounted on /dev/mirror/gm0s1a 989M 508M 402M 56% / devfs 1.0K 1.0K 0B 100% /dev /dev/mirror/gm0s1e 3.9G 500K 3.6G 0% /tmp /dev/mirror/gm0s1f 58G 4.6G 48G 9% /usr /dev/mirror/gm0s1d 3.9G 156M 3.4G 4% /var storage 5.0T 1.7G 5.0T 0% /storage storage/Retored 5.0T 39K 5.0T 0% /storage/Retored storage/bacula 8.2T 3.2T 5.0T 39% /storage/bacula storage/pgsql 5.0T 1.7G 5.0T 0% /storage/pgsql -- Dan Langille - http://langille.org/
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