Andy wrote:
The UIDs and GIDs from the restored directory appear to be out of sync
with those of the original directory.
Have I done something wrong, or should I be concerned that there is a
problem with the meta-data stored in BackupPC?
I am the OP. Having just run a full backup and done some further
analysis I am replying to my own message with additional information.
Below I include a sample from the XFER log for the most recent backup:
create d 700 103/0 4096 var/spool/postfix/active
create d 700 103/0 4096 var/spool/postfix/corrupt
create d 700 103/0 4096 var/spool/postfix/defer
create d 700 103/0 4096 var/spool/postfix/deferred
create d 755 0/0 4096 var/spool/postfix/etc
create d 700 103/0 4096 var/spool/postfix/flush
create d 700 103/0 4096 var/spool/postfix/hold
create d 700 103/0 4096 var/spool/postfix/incoming
create d 755 0/0 4096 var/spool/postfix/lib
create d1730 103/106 4096 var/spool/postfix/maildrop
create d 755 103/0 4096 var/spool/postfix/pid
create d 700 103/0 4096 var/spool/postfix/private
create d2710 103/106 4096 var/spool/postfix/public
create d 700 103/0 4096 var/spool/postfix/saved
create d 700 103/0 4096 var/spool/postfix/trace
create d 755 0/0 4096 var/spool/postfix/usr
And a directory listing, this time using ls -lan to show numeric UIDs
and GIDs:
~# ls /var/spool/postfix -lan
drwx------ 18 103 0 4096 Apr 18 2005 active
drwx------ 18 103 0 4096 Jul 25 04:00 bounce
drwx------ 2 103 0 4096 Apr 15 2005 corrupt
drwx------ 18 103 0 4096 Jun 14 17:14 defer
drwx------ 18 103 0 4096 Jun 14 17:14 deferred
drwxr-xr-x 2 0 0 4096 Oct 31 17:16 etc
drwx------ 9 103 0 4096 Oct 25 15:51 flush
drwx------ 2 103 0 4096 Apr 15 2005 hold
drwx------ 18 103 0 4096 Dec 2 15:53 incoming
drwxr-xr-x 2 0 0 4096 Oct 31 17:16 lib
drwx-wx--T 2 103 106 4096 Dec 2 06:36 maildrop
drwxr-xr-x 2 103 0 4096 Oct 31 17:17 pid
drwx------ 2 103 0 4096 Oct 31 17:16 private
drwx--s--- 2 103 106 4096 Oct 31 17:16 public
drwx------ 2 103 0 4096 Apr 15 2005 saved
drwx------ 2 103 0 4096 Apr 15 2005 trace
drwxr-xr-x 3 0 0 4096 Apr 15 2005 usr
I see that the UIDs and GIDs recorded in the XFER log match those from
the directory listing. Great.
I have downloaded and restored the tar archive from the most recent
backup, this time using the -p option to preserve permissions:
~# tar xpvf restore.tar
Yet when I list the restored directory I still see differing UIDs and GIDs:
~# ls /root/postfix -lan
drwx------ 18 105 0 4096 Dec 2 16:01 active
drwx------ 18 105 0 4096 Dec 2 16:01 bounce
drwx------ 2 105 0 4096 Apr 15 2005 corrupt
drwx------ 18 105 0 4096 Dec 2 16:01 defer
drwx------ 18 105 0 4096 Dec 2 16:01 deferred
drwxr-xr-x 2 0 0 4096 Dec 2 16:01 etc
drwx------ 9 105 0 4096 Dec 2 16:01 flush
drwx------ 2 105 0 4096 Apr 15 2005 hold
drwx------ 18 105 0 4096 Dec 2 16:01 incoming
drwxr-xr-x 2 0 0 4096 Dec 2 16:01 lib
drwx-wx--T 2 105 107 4096 Dec 2 06:36 maildrop
drwxr-xr-x 2 105 0 4096 Dec 2 16:01 pid
drwx------ 2 105 0 4096 Oct 31 17:16 private
-rw------- 1 0 0 1024 Dec 2 13:54 prng_exch
drwx--s--- 2 105 107 4096 Dec 2 16:01 public
drwx------ 2 105 0 4096 Apr 15 2005 saved
drwx------ 2 105 0 4096 Apr 15 2005 trace
drwxr-xr-x 3 0 0 4096 Dec 2 16:01 usr
I dont understand why. If this is the result of my own stupidity then
please feel free to point it out.
Otherwise, does anyone have any suggestions?
Thanks, Andy
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