Re: Unable to mount, corrupt leaf

2019-05-28 Thread Cesar Strauss
On 05/28/2019 15:54, Hugo Mills wrote: > >You have bad RAM. > On 05/28/2019 15:56, Hans van Kranenburg wrote: > So, what you're observing here is a bitflip. One of the zeros flipped > into a one, which caused the 14634 to suddenly become 268450090. Indeed, I had RAM trouble some time ago.

Unable to mount, corrupt leaf

2019-05-28 Thread Cesar Strauss
Hello, After a BTRFS partition becoming read-only under use, it cannot be mounted anymore. The output is: # mount /dev/sdb5 /mnt/disk1 mount: /mnt/disk1: wrong fs type, bad option, bad superblock on /dev/sdb5, missing codepage or helper program, or other error. Kernel output: [ 2042.106654

Re: Filesystem forced to readonly after use

2016-09-13 Thread Cesar Strauss
On 13-09-2016 16:39, Chris Murphy wrote: I just wouldn't use btrfs repair with this version of progs, go back to v4.6.1 or upgrade to 4.7.2. Thanks for the tip. I upgraded to 4.7.2. Cesar -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to maj

Re: Filesystem forced to readonly after use

2016-09-13 Thread Cesar Strauss
On 13-09-2016 16:49, Austin S. Hemmelgarn wrote: I'd be kind of curious to see the results from btrfs check run without repair, but I doubt that will help narrow things down any further. Attached. As of right now, the absolute first thing I'd do is check your logs to see if you can find any

Filesystem forced to readonly after use

2016-09-13 Thread Cesar Strauss
Hello, I have a BTRFS filesystem that is reverting to read-only after a few moments of use. There is a stack trace visible in the kernel log, which is attached. Here is my system information: # uname -a Linux rescue 4.7.2-1-ARCH #1 SMP PREEMPT Sat Aug 20 23:02:56 CEST 2016 x86_64 GNU/Linux

Finding the objid of a subvolume on an unmounted filesystem

2013-05-01 Thread Cesar Strauss
Hello, I would like to" btrfs restore" a broken btrfs filesystem before I attempt to recover it. However, I only need to recover a subvolume inside of it. It seems the -r option should do the job, but I do not know the objid number of the subvolume I want, only the path. Is there a way to know the