Re: raid 10 corruption from single drive failure

2013-07-01 Thread D. Spindel
On lör, 2013-06-29 at 03:08 -0600, cwillu wrote: Not sure I entirely follow: mounting with -o degraded (not -o recovery) is how you're supposed to mount if there's a disk missing. What I'm wondering about is why btrfsck segfaults, why it won't claim which drive is supposedly corrupt in a

raid 10 corruption from single drive failure

2013-06-29 Thread D. Spindel
Hi, I'm evaluating btrfs for a future deployment, and managed to (repeatedly ) get btrfs to the state where the system can't mount, can't fsck and can't recover. The test setup is pretty small, 6 devices of various size: butter-1.5GA vg_dolt -wi-a 1.50g butter-1.5GB vg_dolt

Re: raid 10 corruption from single drive failure

2013-06-29 Thread cwillu
Making this with all 6 devices from the beginning and btrfsck doesn't segfault. But it also doesn't repair the system enough to make it mountable. ( nether does -o recover, however -o degraded works, and files are then accessible ) Not sure I entirely follow: mounting with -o degraded (not