Hi,
I ran btrfsctl resize -r -3gb /dev/sda2 using wireless-testing.git
based on 2.6.38-rc6 and all seemed good. df reported reduced size so
I repartitioned and rebooted. Filesystem can no longer be mounted:
[10560.129038] device fsid b2408c2e83f55cc2-5f7a14e35f176484 devid 1 transid
341132
Hi,
Alexey A Nikitin wrote:
I went experimenting with btrfs RAID0 on my USB setup .. because
I'm a reckless experimenter when it doesn't involve production
systems.
I encountered the same broken root node issue. (see thread resize ate
my root node) and I'd like to understand it better.
Pau Iranzo wrote:
I installed Ubuntu on my girlfriend's laptop using btrfs as a
filesystem. But a few weeks ago something happened: the system
wouldn't boot and always show these messages:
http://dl.dropbox.com/u/120126/btrfs/IMG_20110313_122119.jpg
Jérôme Poulin wrote:
Those I tried and confirmed not working are
CablesToGo: http://www.cablestogo.com/product.asp?cat_id=941sku=30504
StarTech: http://us.startech.com/product/USB2SATAIDE-USB-20-to-IDE-or-SATA-Adapter-Cable
I don't have them handy but I can confirm you the chipset if you'd
Pau Iranzo wrote:
it's been years since I last installed Windows on one of my
computers (2003 maybe?).
Again, Windows or not is irrelevant.
The hard drive is physically broken and that would have happened at
the same point in time regardless of anything that software has been
doing.
The
Hubert Kario wrote:
btrfs is supposed to be an ext3/4 replacement
Maybe not just yet. :)
//Peter
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Martin Fahr wrote:
btrfsck: disk-io.c:741: open_ctree_fd: Assertion `!(!tree_root-node)' failed.
My fs is also broken this way, though for me it happened after
resizing the fs and then partition. I still need to go back to the
list thread and do some work on my image.
The usual questions: Is
Goffredo Baroncelli wrote:
If you don't want to use udev you have two choices:
- use devtmpfs
- create manually a device. But nobody guarantee that the minor/major
will not change.
- use a udev replacement intended for embedded systems, such as mdev
//Peter
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Helmut Hullen wrote:
If the value of available is unresolvable then btrfs should not
show any value.
Disagree strongly. I think a pessimistic estimate would be much
better to show, than no value at all. This may be what is currently
shown.
As for solving this with a high degree of usability,
Hej Maria!
ma...@ponstudios.se wrote:
The computer was idle when the first bug happened
Ouch.
and after the reboot btrfs can't be mounted.
Can you get some messages out of btrfs tools run against the file
system when offline, or an image of it? Maybe hook the fs up to
another machine.
Sorry for not following up on this until now. :( I've been busy and
have been using a backup. But I'm still very interested in restoring
the btrfs and finding this bug! Let me know if I should refresh any
details.
Chris Mason wrote:
In any case changing the partition table shouldn't affect the
Chris Mason wrote:
Which tool and which version of the tool did you use to delete the
partition?
fdisk from util-linux-2.18
Straight from util-linux, or with distro patches?
Yes a few Gentoo patches, but nothing that seems relevant:
epatch ${FILESDIR}/${P}-ncursesw.patch
Subject:
Maik Zumstrull wrote:
Bug at fs/btrfs/free-space-cache.c:1246
Bug type: invalid opcode:
Kernel not tainted, running on an ASUSTek 1005HAG
EIP is at btrfs_add_free_space+0x285/0x39a [btrfs]
You will probably need to provide a more complete copy of the panic
message.
I thought
Yan, Zheng wrote:
'btrfs-convert /dev/sdc1' .. segfaulted.
The crash was caused by the hard links per directory limit in btrfs.
In short, your ext4 is not convertible.
The failure mode is of course unacceptable. Does btrfs-convert have a
dry-run mode which could be used to check that
Mitch Harder wrote:
To defragment your entire volume, you'll need a command like:
# for file in $(find PATH/TO/BTRFS/VOL/ -type f); do btrfs
filesystem defragment ${file}; done
Suggest:
find /path/to/btrfs/vol -type f -exec btrfs filesystem defragment '{}' ';'
If you just want to see
Peter Stuge wrote:
Sorry for not following up on this until now. :( I've been busy and
have been using a backup. But I'm still very interested in restoring
the btrfs and finding this bug! Let me know if I should refresh any
details.
Ping?
I've created a small btrfs to see if I can learn
Chris Mason wrote:
We've had trouble in the past with block dev flushing code kicking
in as devices are resized.
Might this be the problem with my root node? I wish my problem was
in only one directory. :)
//Peter
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cac...@quantum-sci.com wrote:
I don't understand this.
Clearly. Please continue the discussion in a debian or grub forum..
It really has nothing to do with btrfs.
//Peter
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cac...@quantum-sci.com wrote:
# update-grub
/usr/sbin/grub-probe: error: cannot find a device for / (is /dev mounted?).
# update-grub -v
grub-mkconfig (GRUB) 1.99~rc1-13
#
It's still BTRFS incompatibility.
Either that, or maybe something has broken in your many attempts to
solve the
cac...@quantum-sci.com wrote:
Clearly. Please continue the discussion in a debian or grub forum..
It really has nothing to do with btrfs.
No thanks. This is a BTRFS problem, and if you people don't want to
face it, that's fine.
A problem that happens when you use btrfs is not
Hugo Mills wrote:
You can check whether it's likely to be of use by running btrfsck
-s 1 on your filesystem. If it passes OK, then btrfs-select-super
should be useful.
Inspired by this I cloned latest btrfs-progs-unstable and tried it on
my broken 60-something GB btrfs, but no luck:
$
Hi Zach,
Zach Brown wrote:
In order to restore only a single folder somewhere in the btrfs
tree, it is unfortunately neccessary to construct a slightly
nontrivial regex, e.g.:
restore -m '^/(|home(|/username(|/Desktop(|/.*$' /dev/sdb2 /output
But that example is just bonkers
I
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