Re: Deleted files cause btrfs-send to fail

[Marc Joliet <marcec@gmx.de>]

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Am Thu, 13 Aug 2015 00:34:19 +0200
schrieb Marc Joliet <marcec@gmx.de>:

[...]
> Since this is the root file system, I haven't gotten a copy of the actual output
> of "btrfs check", though I have run it from an initramfs rescue shell.  The
> output I saw there was much like the following (taken from an Email by Roman
> Mamedov from 2014-12-28):
> 
> root 22730 inode 6236418 errors 2000, link count wrong unresolved ref dir 105512 index 586340 namelen 48 name [redacted].dat.bak filetype 0 errors 3, no dir item, no dir index
> 
> Only in my case, it's "root 5" and "root 4" (I think), and the file names
> (and other file system specifics) are of course different.  I definitely saw
> "errors 2000" (I take it that's supposed to be an error code?).
[...]

Here's the actual output now, obtained via btrfs-progs 4.0.1 from an initramfs
emergency shell:

checking extents
checking free space cache
checking fs roots
root 5 inode 8338813 errors 2000, link count wrong
        unresolved ref dir 26699 index 50500 namelen 4 name root filetype 0 errors 3, no dir item, no dir index
root 5 inode 8338814 errors 2000, link count wrong
        unresolved ref dir 26699 index 50502 namelen 6 name marcec filetype 0 errors 3, no dir item, no dir index
root 5 inode 8338815 errors 2000, link count wrong
        unresolved ref dir 26699 index 50504 namelen 6 name systab filetype 0 errors 3, no dir item, no dir index
root 5 inode 8710030 errors 2000, link count wrong
        unresolved ref dir 26699 index 59588 namelen 6 name marcec filetype 0 errors 3, no dir item, no dir index
root 5 inode 8710031 errors 2000, link count wrong
        unresolved ref dir 26699 index 59590 namelen 4 name root filetype 0 errors 3, no dir item, no dir index
Checking filesystem on /dev/sda1
UUID: 0267d8b3-a074-460a-832d-5d5fd36bae64
found 63467610172 bytes used err is 1
total csum bytes: 59475016
total tree bytes: 1903411200
total fs tree bytes: 1691504640
total extent tree bytes: 130322432
btree space waste bytes: 442495212
file data blocks allocated: 555097092096
 referenced 72887840768
btrfs-progs v4.0.1

Again: is this fixable?

-- 
Marc Joliet
--
"People who think they know everything really annoy those of us who know we
don't" - Bjarne Stroustrup

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