recover from multi-device filesystem

2015-12-20 Thread Langhorst, Brad
Hi: I just attempted a recover from a 6 device btrfs fs, but failed. A bunch of data came back, but not the whole file… The "device 6 is missing” (see below for transcript) sounds like btrfs restore can’t find the other disks. Should I be using a UUID here somehow (didn’t see anything in the

Re: need to recover large file

2015-12-17 Thread Langhorst, Brad
, Ph.D. Development Scientist New England Biolabs > On Dec 16, 2015, at 6:01 AM, Duncan <1i5t5.dun...@cox.net> wrote: > > Langhorst, Brad posted on Wed, 16 Dec 2015 03:13:48 + as excerpted: > >> Hi: >> >> I just screwed up  spent the last 3 weeks gener

need to recover large file

2015-12-15 Thread Langhorst, Brad
Hi: I just screwed up… spent the last 3 weeks generting a 400G file (genome assembly) . Went to back it up and swapped the arguments to tar (tar Jcf my_precious my_precious.tar.xz) what was once 400G is now 108 bytes of xz header - argh. This is on a 6-volume btrfs filesystem. I