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From: Alex Powell <>
Subject: Unable to delete device
Date: Sun, 10 Nov 2019 11:44:36 +1030
Message-ID: <> (raw)

Hi all,
I had a disk fail on my BTRFS RAID5 array. It is still mounting but
there are bad sectors which will switch the array to read only mode
when used.

I used "btrfs device delete /dev/sdd /mnt/data" to remove it from the
array. However it seems that it is only partially removing it from the
array and when it gets to the bad sectors it fails.

localhost ~ # btrfs device delete /dev/sdd /mnt/data
ERROR: error removing device '/dev/sdd': Input/output error

What is best practice for removing the drive from the array in this situation?

Kind Regards,
Alex Powell

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Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-10  1:14 Alex Powell [this message]
2019-11-10  3:41 ` Qu Wenruo
2019-11-10  3:48 ` Anand Jain

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