On Tue, Apr 24, 2012 at 11:42:26AM -0400, Josef Bacik wrote: > On Tue, Apr 24, 2012 at 06:39:03PM +0300, Ilya Dryomov wrote: > > On Tue, Apr 24, 2012 at 11:31:15AM -0400, Josef Bacik wrote: > > > On Sun, Apr 22, 2012 at 11:03:06PM -0400, Jeremy Atkins wrote: > > > > Back story: > > > > I started my pool with a 200gb partition at the end of my drive (sdc5) > > > > , until I was able to clear out the data at the beginning of my drive. > > > > When I was ready, I ran `btrfs dev add /dev/sdc4 /` then `btrfs dev > > > > del /dev/sdc5 /`, > > > > > > > > $ sudo btrfs fi resize max / > > > > Resize '/' of 'max' > > > > ERROR: unable to resize '/' - Invalid argument > > > > > > > > in dmesg i see: > > > > [ 72.729685] btrfs: resizer unable to find device 1 > > > > > > > > $ sudo btrfs fi df / > > > > Data: total=34.00GB, used=17.79GB > > > > System, DUP: total=64.00MB, used=20.00KB > > > > Metadata, DUP: total=33.50GB, used=394.93MB > > > > > > > > $ sudo btrfs fi sh > > > > Label: none uuid: b0ad55e2-09e0-4658-8cab-d2e11ba03753 > > > > Total devices 1 FS bytes used 17.18GB > > > > devid 2 size 1.62TB used 101.12GB path /dev/sdc4 > > > > > > > > > > > > $ uname -r > > > > 3.3.2-1.fc16.x86_64 > > > > > > > > btrfs-progs version is current git master ( commit 1957076 ) > > > > > > > > After writing this email, and searching around the wiki some, I > > > > discovered the command to resize specific devids, > > > > > > > > [antrat@tbox ~]$ sudo btrfs fi resize 2:max / > > > > Resize '/' of '2:max' > > > > > > > > and in dmesg: > > > > [ 1661.933884] btrfs: resizing devid 2 > > > > [ 1661.933895] btrfs: new size for /dev/sdc4 is 1995564908544 > > > > > > Hrm, if we're using filesystem resize max we should probably just max out > > > all > > > the devices and not require one specific device, what do you think Ilya? > > > > I'd keep the devid:max syntax for maxing out a single device and add a > > new fs:max or similar to resize all devices. ABI here is just a string, > > so I think it can be easily done. > > > > Right I think the devid:max thing is handy for people who want to do specific > things, but I think just a normal btrfs fi resize max should do all devices > for > simplicity and easy of use, no need for a fs:max. Thanks, >
Agreed, I hadn't thought of it this way in the past, but I can see people expecting max to mean max out all the devices. -chris -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
