Date: Mon, 12 May 2014 14:43:10 +0200 From: Matthias Fechner <idefix@fechner.net> To: freebsd-questions@freebsd.org Subject: Change block size on ZFS pool Message-ID: <5370C1DE.4010805@fechner.net>
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Hi, I upgraded now a FreeBSD 9 to version 10. Now my zpool says: pool: zroot state: ONLINE status: One or more devices are configured to use a non-native block size. Expect reduced performance. action: Replace affected devices with devices that support the configured block size, or migrate data to a properly configured pool. scan: scrub repaired 0 in 42h48m with 0 errors on Mon May 5 06:36:10 2014 config: NAME STATE READ WRITE CKSUM zroot ONLINE 0 0 0 mirror-0 ONLINE 0 0 0 gptid/504acf1f-5487-11e1-b3f1-001b217b3468 ONLINE 0 0 0 block size: 512B configured, 4096B native gpt/disk1 ONLINE 0 0 0 block size: 512B configured, 4096B native My partition are aligned to 4k: => 34 3907029101 ada2 GPT (1.8T) 34 6 - free - (3.0K) 40 128 1 freebsd-boot (64K) 168 8388608 2 freebsd-swap (4.0G) 8388776 3898640352 3 freebsd-zfs (1.8T) 3907029128 7 - free - (3.5K) But it seems that the ZFS pool is not aligned correctly. Is there a possibility to correct that online without taking the pool offline? Gruß Matthias -- "Programming today is a race between software engineers striving to build bigger and better idiot-proof programs, and the universe trying to produce bigger and better idiots. So far, the universe is winning." -- Rich Cook
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