On 24 September 2010 07:41, Lubos Kolouch <[email protected]> wrote: > Hello, > > I added disk to raid5 array on one of the backup hosts, running btrfs. > > So on /dev/md2 I have plenty of space now. > > However when I run > > btrfs filesystem resize max /dev/md2 > > I get > > Resize '/dev/md2' of 'max' > ERROR: unable to resize '/dev/md2' > > The same result when I try resize +1g. > > strace gives me http://paste.pocoo.org/show/266523/ > > Any ideas why and how can I extend the filesystem to fill the whole > volume? > > Thank you > > Lubos > > -- > To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in > the body of a message to [email protected] > More majordomo info at http://vger.kernel.org/majordomo-info.html >
Hi Lubos, Firstly if I understood the documentation right, you have to specify the mount point rather than the drive itself. Secondly, I posted about this issue a while ago. It seems that it will only extend the filesystem on the hard drive that has devid 1. If you do not have any drives with devid 1 (e.g because you removed it), you can't resize your drive. I hope this is something that the btrfs developers will look into ASAP, because as it is now, resizing the FS on RAID arrays is impossible. Regards, Sebastian J. -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
