Thanks for the reply.
I don't want to replace the drive. I want to remove.
Also tried in degraded mode. I get the exact same error.
I'm not sure but i think i formated the drive on Kernel 4.11.
I am on Kernel 4.13 now.
I have the bad feeling that i will never get rid of that small drive
unless i re-format.
Am 29.09.2017 um 23:04 schrieb Goffredo Baroncelli:
On 09/29/2017 10:00 PM, Dirk Diggler wrote:
Hi,
is there any chance to get my device removed?
I simulated a device removing in KVM with
echo 1 >/sys/block/sdj/device/delete
then
btrfs dev del 6 /mnt/....
And I got success. But I am not sure if this is the right thing todo.
You can use "btrfs replace start -r ....". But you need another device.
Otherwise, you can shutdown the filesystem, removing (physically) the disk then remount with a "mount -o degraded ...." followed by a "btrfs dev del missing /..."
Before doing so, please tell us which kernel you are using.
RAID5/6 until few months ago has a lot of bugs, so if you have an old kernel it is very difficult to remove a device with success.
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