From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ilya Dryomov Subject: Re: 'filesystem resize max' tries to use devid 1 Date: Tue, 24 Apr 2012 18:39:03 +0300 Message-ID: <20120424153903.GA1928@zambezi.lan> References: <20120424153114.GD3326@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Cc: Jeremy Atkins , linux-btrfs@vger.kernel.org To: Josef Bacik Return-path: In-Reply-To: <20120424153114.GD3326@localhost.localdomain> List-ID: 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 (sd= c5) > > , until I was able to clear out the data at the beginning of my dri= ve. > > When I was ready, I ran `btrfs dev add /dev/sdc4 /` then `btrfs de= v > > del /dev/sdc5 /`, > >=20 > > $ sudo btrfs fi resize max / > > Resize '/' of 'max' > > ERROR: unable to resize '/' - Invalid argument > >=20 > > in dmesg i see: > > [ =C2=A0 72.729685] btrfs: resizer unable to find device 1 > >=20 > > $ sudo btrfs fi df / > > Data: total=3D34.00GB, used=3D17.79GB > > System, DUP: total=3D64.00MB, used=3D20.00KB > > Metadata, DUP: total=3D33.50GB, used=3D394.93MB > >=20 > > $ sudo btrfs fi sh > > Label: none =C2=A0uuid: b0ad55e2-09e0-4658-8cab-d2e11ba03753 > > =C2=A0 =C2=A0 =C2=A0 =C2=A0 Total devices 1 FS bytes used 17.18GB > > =C2=A0 =C2=A0 =C2=A0 =C2=A0 devid =C2=A0 =C2=A02 size 1.62TB used 1= 01.12GB path /dev/sdc4 > >=20 > >=20 > > $ uname -r > > 3.3.2-1.fc16.x86_64 > >=20 > > btrfs-progs version is current git master ( commit 1957076 ) > >=20 > > After writing this email, and searching around the wiki some, I > > discovered the command to resize specific devids, > >=20 > > [antrat@tbox ~]$ sudo btrfs fi resize 2:max / > > Resize '/' of '2:max' > >=20 > > and in dmesg: > > [ 1661.933884] btrfs: resizing devid 2 > > [ 1661.933895] btrfs: new size for /dev/sdc4 is 1995564908544 >=20 > 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 Il= ya? 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. Thanks, Ilya -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" = in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html