Btrfs devel - Nov 2013 - Btrfs resize problem after device add/delete

I create a new btrfs filesystem and then add a new device and delete
the original device. When I run ''btrfs filesystem show'', the
total
device is two and there is an error that some devices are missing.


I also tried to resize the filesystem but didn''t work. Resizing
without device id have an error that there is no such device. When the
device id is explicitly pass, an error ''invalid argument'' is
displayed.

I tried to unmount and then remount and the first problem disappeared
while the second one didn''t.

3.11.6-1-ARCH #1 SMP PREEMPT Fri Oct 18 23:22:36 CEST 2013 x86_64 GNU/Linux

Btrfs v0.20-rc1-358-g194aa4a-dirty
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On 2013-11-08 23:09, Lester B wrote:
> I create a new btrfs filesystem and then add a new device and delete
> the original device. When I run ''btrfs filesystem show'',
the total
> device is two and there is an error that some devices are missing.
See my answer below.
> 
> I also tried to resize the filesystem but didn''t work. Resizing
> without device id have an error that there is no such device. When the
> device id is explicitly pass, an error ''invalid argument''
is
> displayed.
We need more info:
- what is the output of "btrfs filesystem df <path>"
- which is a raid level involved (RAID1/DUP/...), if any ?
- which command you perform to shrink/enlarge the partition and which
one to resize the filesystem (these are two separate steps) ?

> 
> I tried to unmount and then remount and the first problem disappeared
> while the second one didn''t.
Unfortunately "btrfs filesystem show" read the data from the disk,
that
time to time is outdated.
> 
> 3.11.6-1-ARCH #1 SMP PREEMPT Fri Oct 18 23:22:36 CEST 2013 x86_64 GNU/Linux
> 
> Btrfs v0.20-rc1-358-g194aa4a-dirty
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