On 2013/10/27 07:33 PM, Hans-Kristian Bakke wrote:
Hi
Today I tried removing two devices from a multidevice btrfs RAID10
volume using the following command:
---
btrfs device delete /dev/sdl /dev/sdk /btrfs
---
It first removed device sdl and then sdk. What I did not expect
however was that btrfs didn't remove sdk from the available drives
when removing and rebalancing data from the first device. This
resultated in that over 300GB of data was actually added to sdk during
removal of sdl, only to make the removal process of sdk longer.
This seems to me as a rather non-intelligent way to do this. I would
expect that all drives given as input to the btrfs device delete
command was removed from the list of drives available for rebalancing
of the data during removal of the drives.
This is a known issue I'm sure will be addressed. It has annoyed me in
the past as well. Perhaps add it to the wiki:
https://btrfs.wiki.kernel.org/index.php/Project_ideas
--
__________
Brendan Hide
http://swiftspirit.co.za/
http://www.webafrica.co.za/?AFF1E97
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