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Message-ID: <b410963b0903220341o43ea38afx6d2af6443e306118@mail.gmail.com> Date: Sun, 22 Mar 2009 12:41:25 +0200 From: roma1390 <roma1390@...il.com> To: roma1390 <roma1390@...il.com>, linux-kernel@...r.kernel.org Subject: Re: raid6 grow "hangs" on 2.6.27 with mounted FS On Sun, Mar 22, 2009 at 11:20, martin f krafft <madduck@...duck.net> wrote: > also sprach roma1390 <roma1390@...il.com> [2009.03.21.2129 +0100]: >> # add block device and grow, wait for resync >> mdadm --add /dev/md2 /dev/loop5 >> mdadm --grow /dev/md2 --raid-devices=5 >> sleep 3 >> >> # dmesg prints: VFS: busy inodes on changed media. >> # umount hangs ... >> umount /dev/md2 > > I suggest unmounting before growing? So this hang is by design? I think it must return EBUSY if can't continue operation. Documentation claims than Linux MD can grow online for raid5 and raid6, like You can resize online ext3 FS. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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