It happened here again. 8/24 ext4 corruption 9/14 ext4 corruption 9/29 update/reboot 10/16 ext4 corruption
This time the corruption was severe. 1743 files from multiple directories got moved into lost+found. It took me almost 2 hours this morning to verify & fix everything. Fortunately every time this has happened, all the files were dated prior to the daily backup and "diff -qr ..." shows exactly what was lost. As far as I can tell this is not a memory issue and the ext4 FS is using 10G out of 100G. Every time the corruption has been in /var/mail. However the VM is mostly used for mail so it may not be significant. The /var/mail branch itself is 4.3G 3.16.0-4-amd64 #1 SMP Debian 3.16.7-ckt11-1+deb8u4 (2015-09-19) x86_64 GNU/Linux I'm holding back the kernels on other VM's so this is the only VM with the problem. Is anyone able to reproduce this on demand? I really need to do something because this is causing downtime during normal business hours. I'll probably try one of the following: 1. Rebuild the FS from scratch and see if ext4 corruption continues. 2. Use ext3 or something else. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1423672 Title: ext4_mb_generate_buddy:756: group N, block bitmap and bg descriptor inconsistent: X vs Y To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1423672/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
