Re: heterogeneous raid1

2012-03-25 Thread Chris Samuel
On Saturday 24 March 2012 04:35:39 Bob McElrath wrote: I'm still dreaming of a fs/admin tool that I can throw disks at, and not have to spend so much time with the details of partitioning/raid/lvm/fs. There was a tool called System Storage Manager (ssm) that someone from RedHat posted about

Re: Recovering parent transid verify failed

2012-03-25 Thread Yo'av Moshe
Anything new? I'm still trying to fix my FS every once in a while, none of the tools helps. This is what find-root gives: http://pastebin.com/KycgzhaP Btrfsck still only gives this: # sudo ./btrfsck --repair /dev/sda4 enabling repair mode parent transid verify failed on 216925220864 wanted

attempt to access beyond end of device and livelock

2012-03-25 Thread Daniel J Blueman
Hi Dongyang, Yan, When testing BTRFS with RAID 0 metadata on linux-3.3, we see discard ranges exceeding the end of the block device [1], potentially causing dataloss; when this occurs, filesystem writeback becomes catatonic due to continual resubmission. The reproducer is quite simple [2]. Hope

Is btrfsck really required?

2012-03-25 Thread Waxhead
After playing around with btrfs for a while, reading about it and also watching Avi Miller's presentation on youtube I am starting to wonder why one would need btrfsck at all. I am no expert in filesystems so I apologize if any of these questions may sound a bit stupid. 1. How self-healing is

Re: btrfs crash after disk reconnect

2012-03-25 Thread Liu Bo
On 03/23/2012 08:07 PM, Jan Engelhardt wrote: Observed on Linux 3.2.9 after the controller/disk flaked in-out. (The world still needs a SCSI error decoding tool to tell normal people what cmd and res are about.) I'm not that sure if your 3.2.9-jng4-default build contains this commit or not: