Hello Marcio,
On 12/6/21 19:24, Márcio (Departamento de Informática - PMI) wrote:
Hello everyone
Investigating a little more about what might be happening, I compared the
records (from the Bacula catalog in the database) of a file that was backed up
by 9.6.7 and 11.0.5, without having changed during these two jobs .
I noticed that the "lstat" field of the "filename" table is calculated
differently between the two versions, although the file hashes, stored in the
"md5" field are the same, see:
jobid | pathid | filename | lstat | md5
-------+--------+------------+------------------------------------------------------------+-----------------------------
14469 | 83108 | BPAGAR.DBF | A BAAAAAQCz IH/ B A A A Iu A A BOk0Kn xxyqA
BQdcaU A A M g | TYUkCmxYjmRvmCoTaOBDO+CRJx8
14749 | 83108 | BPAGAR.DBF | A A IH/ B A A A Iu A A BOk0Kn xxyqA xxyqA A A M
g | TYUkCmxYjmRvmCoTaOBDO+CRJx8
Now, why is this field calculated differently?
I'm not sure that part of the code changed a lot on Linux, however on Windows it
has been updated to use the snapshot to get file attributes and handle some
specific Windows files and corner cases. I don't know if your filedaemon is a
linux or a windows one.
The .bvfs_decode_lstat bconsole function can be used to decode this field, and
we can see in your example a lot of "funny" values
*.bvfs_decode_lstat lstat="A BAAAAAQCz IH/ B A A A Iu A A BOk0Kn xxyqA BQdcaU A
A M g"
st_nlink=1
st_mode=33279
perm=-rwxrwxrwx
st_uid=0
st_gid=0
st_size=558
st_blocks=0
st_ino=281474976776371
st_ctime=1349895828
st_mtime=835136128
st_atime=1318273703
st_dev=0
LinkFI=0
*.bvfs_decode_lstat lstat="A A IH/ B A A A Iu A A BOk0Kn xxyqA xxyqA A A M g"
st_nlink=1
st_mode=33279
perm=-rwxrwxrwx
st_uid=0
st_gid=0
st_size=558
st_blocks=0
st_ino=0
st_ctime=835136128
st_mtime=835136128
st_atime=1318273703
st_dev=0
LinkFI=0
One time the ino value is 0, and other time it's probably -1, the mtime does not
correspond to the ctime. You can get these attributes with the shell command
stat and compare with what Bacula has computed.
Hope it helps!
Best Regards,
Eric
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