Re: Support demand on Btrfs crashed fs.

2021-04-01 Thread Thierry Testeur
Thanks for your return, but i think the writing of this type of programs is far away for me. Haven't really coded since the amiga 68k assembly time, so... :/ I have appreciated your efforts to trying to help me, but i can't handle this type of solution. I will let this raid RIP until i will find

Re: Support demand on Btrfs crashed fs.

2021-04-01 Thread Lukas Straub
On Wed, 31 Mar 2021 23:44:28 +0200 Thierry Testeur wrote: > Yep, compression enabled (original fstab before having tried restore > options): compress=lzo Okay, that explains why photorec couldn't recover a lot. If you want to get your hands dirty, I guess you could write a program that does the

Re: Support demand on Btrfs crashed fs.

2021-03-31 Thread Thierry Testeur
Yep, compression enabled (original fstab before having tried restore options): compress=lzo Best regards, Thierry Le mer. 31 mars 2021 à 14:23, Lukas Straub a écrit : > > On Wed, 31 Mar 2021 02:17:48 +0200 > Thierry Testeur wrote: > > > Hello, > > > > if anyone can help me with the problem abov

Re: Support demand on Btrfs crashed fs.

2021-03-31 Thread Lukas Straub
On Wed, 31 Mar 2021 02:17:48 +0200 Thierry Testeur wrote: > Hello, > > if anyone can help me with the problem above? > Have tried a Photorec (even if i know the chance are really poor), and > have got some non-sens files, lkie pdf of 2Gb, most of them are > unusable, except smal size file,

Re: Support demand on Btrfs crashed fs.

2021-03-31 Thread Thierry Testeur
WDC Red with Firmware Version: 80.00A80 Exact, 8 of thems on my array, and have forgotten to disable write cache :/ And all that you decribed is my case. I understand that it could be a very hard situation for expect an massive data recovery, even if the datas are still here, the fs structure is

Re: Support demand on Btrfs crashed fs.

2021-03-30 Thread Chris Murphy
I'm going to fill in some details from the multiday conversation with IRC regulars. We couldn't figure out a way forward. * WDC Red with Firmware Version: 80.00A80, which is highly suspected to deal with power fail and write caching incorrectly, and at least on Btrfs apparently pretty much always

Re: Support demand on Btrfs crashed fs.

2021-03-30 Thread Thierry Testeur
Hello, if anyone can help me with the problem above? Have tried a Photorec (even if i know the chance are really poor), and have got some non-sens files, lkie pdf of 2Gb, most of them are unusable, except smal size file, like jpg pic... thanks for any help. Thierry Le sam. 27 mars 2021 à 12

Support demand on Btrfs crashed fs.

2021-03-27 Thread Thierry Testeur
Dear btrfs support community, after a bad power event, my 9 years old Btrfs has crashed. This Btrfs partirion is on an 8 disk mdadm array. After a few try on different options recovery found on "forums", have alreday tryed some btrfs check --repair btrfs check --init-extent-tree btrfs check --cle