Date: Thu, 30 Jun 2011 00:29:00 -0600 From: Kurt Touet <ktouet@gmail.com> To: freebsd-fs@freebsd.org Subject: ZFS v28 array doesn't expand with larger disks in mirror Message-ID: <BANLkTimx1Y=xXXEqGvnpOk5asPuOftJFLw@mail.gmail.com>
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I have an admittedly odd zfs v28 array configuration under stable/8 r223484: # zpool status storage pool: storage state: ONLINE scan: resilvered 1.21T in 10h50m with 0 errors on Wed Jun 29 23:21:46 2011 config: NAME STATE READ WRITE CKSUM storage ONLINE 0 0 0 raidz1-0 ONLINE 0 0 0 ad14 ONLINE 0 0 0 ad6 ONLINE 0 0 0 ad12 ONLINE 0 0 0 ad4 ONLINE 0 0 0 mirror-1 ONLINE 0 0 0 ad20 ONLINE 0 0 0 ad18 ONLINE 0 0 0 This was simply due to the need to expand the size of the original raidz1 only array and constraints within the box. All drives in the box _were_ 1.5TB. I had a drive in the mirror die this week, and I had 2 spare 2TB drives on hand. So, I decided to replace both of the 1.5TB drives in the array with 2TB drives (and free up a little more space on the box). However, after replacing both drives, the array did not expand in size. It still acts as if the mirror contains 1.5TB drives: storage 6.28T 548G raidz1 5.07T 399G mirror 1.21T 150G Is this normal behaviour? It was my understanding that zfs automatically adapted to having additional drive space in vdevs. -kurt
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