Re: how to repair a damaged filesystem with btrfs raid5

2015-02-03 Thread Alexander Fieroch
Am 03.02.2015 um 01:24 schrieb Tobias Holst: > Hi. Hi, > There is a known bug when you re-plug in a missing hdd of a btrfs raid > without wiping the device before. In worst case this results in a > totally corrupted filesystem as it did sometimes during my tests of > the raid6 implementation. Wit

Re: how to repair a damaged filesystem with btrfs raid5

2015-02-02 Thread Tobias Holst
Hi. There is a known bug when you re-plug in a missing hdd of a btrfs raid without wiping the device before. In worst case this results in a totally corrupted filesystem as it did sometimes during my tests of the raid6 implementation. With raid1 it may just "go back in time" to the point when you

Re: how to repair a damaged filesystem with btrfs raid5

2015-01-27 Thread Duncan
Alexander Fieroch posted on Tue, 27 Jan 2015 10:12:35 +0100 as excerpted: > I'm testing btrfs RAID5 on three encrypted hdds (dm-crypt) and I'm > simulating a harddisk failure by unplugging one device while writing > some files. > Now the filesystem is damaged. By now is there any chance to repair

how to repair a damaged filesystem with btrfs raid5

2015-01-27 Thread Alexander Fieroch
Hello, I'm testing btrfs RAID5 on three encrypted hdds (dm-crypt) and I'm simulating a harddisk failure by unplugging one device while writing some files. Now the filesystem is damaged. By now is there any chance to repair the filesystem? My operating system is ubuntu server (vivid) with ker