Re: Need help with potential ~45TB dataloss

2018-12-04 Thread Patrick Dijkgraaf
Hi, thanks again. Please see answers inline. -- Groet / Cheers, Patrick Dijkgraaf On Mon, 2018-12-03 at 08:35 +0800, Qu Wenruo wrote: > > On 2018/12/2 下午5:03, Patrick Dijkgraaf wrote: > > Hi Qu, > > > > Thanks for helping me! > > > > Please see the r

Re: Need help with potential ~45TB dataloss

2018-12-04 Thread Patrick Dijkgraaf
Hi Chris, See the output below. Any suggestions based on it? Thanks! -- Groet / Cheers, Patrick Dijkgraaf On Mon, 2018-12-03 at 20:16 -0700, Chris Murphy wrote: > Also useful information for autopsy, perhaps not for fixing, is to > know whether the SCT ERC value for every drive is les

Re: Need help with potential ~45TB dataloss

2018-12-02 Thread Patrick Dijkgraaf
Hi Qu, Thanks for helping me! Please see the reponses in-line. Any suggestions based on this? Thanks! On Sat, 2018-12-01 at 07:57 +0800, Qu Wenruo wrote: > On 2018/11/30 下午9:53, Patrick Dijkgraaf wrote: > > Hi all, > > > > I have been a happy BTRFS user for quite s

Re: Need help with potential ~45TB dataloss

2018-12-02 Thread Patrick Dijkgraaf
recoverable... ☹ -- Groet / Cheers, Patrick Dijkgraaf On Sun, 2018-12-02 at 10:03 +0100, Patrick Dijkgraaf wrote: > Hi Qu, > > Thanks for helping me! > > Please see the reponses in-line. > Any suggestions based on this? > > Thanks! > > > On Sat, 2018-12-0

Need help with potential ~45TB dataloss

2018-11-30 Thread Patrick Dijkgraaf
Hi all, I have been a happy BTRFS user for quite some time. But now I'm facing a potential ~45TB dataloss... :-( I hope someone can help! I have Server A and Server B. Both having a 20-devices BTRFS RAID6 filesystem. Because of known RAID5/6 risks, Server B was a backup of Server A. After