Re: not excluding socket dir?

[Derek Atkins]

Hi Eric,

Strangely, I can't reproduce it now, either!  Even more, my nightly backup
is not repeating it.

So consider this closed.

Sorry for the noise.

-derek

On Sat, May 9, 2020 2:01 am, EricZolf wrote:
> Hi Derek,
>
> On 08/05/2020 02:31, Derek Atkins wrote:
>> Hi,
>>
>> I am trying to backup a mail server but it's complaining about a socket
>> error..  BUT I thought I was excluding that directory.  The command I'm
>> using:
>>
>> /usr/bin/rdiff-backup --exclude /mnt/snap/dev --exclude
>> /mnt/snap/lost+found --exclude /mnt/snap/media --exclude /mnt/snap/mnt
>> --exclude /mnt/snap/proc --exclude /mnt/snap/run --exclude /mnt/snap/sys
>> --include /mnt/snap/var/www --include /mnt/snap/var/spool/imap --include
>> /mnt/snap/var/spool/mail --include /mnt/snap/var/spool/postfix --include
>> /mnt/snap/var/spool/rsvp --include /mnt/snap/var/lib/postfix --exclude
>> /mnt/snap/var/lib/imap/socket --include /mnt/snap/var/lib/imap --include
>> /mnt/snap/var/lib/squirrelmail --include /mnt/snap/var/spool/cron
>> --include /mnt/snap/usr/local --exclude /mnt/snap/bin --exclude
>> /mnt/snap/lib --exclude /mnt/snap/lib64 --exclude /mnt/snap/sbin
>> --exclude
>> /mnt/snap/tmp --exclude /mnt/snap/usr --exclude /mnt/snap/var
>> mail_backup::/mnt/snap/ /mnt/backup/backups/mail
>>
>> And I get this output:
>>
>> SpecialFileError var/lib/imap/socket/idle.10314 Socket error: AF_UNIX
>> path
>> too long
>> SpecialFileError var/lib/imap/socket/idle.10325 Socket error: AF_UNIX
>> path
>> too long
>> [snip]
>>
>> Aren't I excluding the directory properly?
>
> I don't know, I tried to re-create your issue locally, with the attached
> script, and I don't get any error message, and the socket file and its
> directory I create aren't backed-up:
>
>
> $ tree /var/tmp/snap
> /var/tmp/snap
> └── var
>     └── lib
>         └── imap
>             └── socket
>                 └── idle.12345
>
> 4 directories, 1 file
>
>
> $ tree /var/tmp/backup
> /var/tmp/backup
> └── backups
>     └── mail
>         ├── rdiff-backup-data
>         │   ├── access_control_lists.2020-05-09T07:36:39+02:00.snapshot
>         │   ├── backup.log
>         │   ├── chars_to_quote
>         │   ├── current_mirror.2020-05-09T07:36:39+02:00.data
>         │   ├── error_log.2020-05-09T07:36:39+02:00.data
>         │   ├── extended_attributes.2020-05-09T07:36:39+02:00.snapshot.gz
>         │   ├── file_statistics.2020-05-09T07:36:39+02:00.data.gz
>         │   ├── increments
>         │   │   └── var
>         │   │       └── lib
>         │   ├── mirror_metadata.2020-05-09T07:36:39+02:00.snapshot.gz
>         │   ├── session_statistics.2020-05-09T07:36:39+02:00.data
>         │   └── special_escapes
>         └── var
>             └── lib
>                 └── imap
>
> 9 directories, 10 files
>
>
> This is with 2.0.0 on Fedora 32. Which version(s) are you using on which
> OS(s)? There was an issue covered by a test called test_long_socket_name
> in testing/longnametest.py. You're actually rather far away from the
> limit of 107 characters, but it could still be your issue. Sockets are
> IMHO not worth being saved so you could use `--exclude-sockets`.
>
> KR, Eric
>


-- 
       Derek Atkins                 617-623-3745
       address@hidden             www.ihtfp.com
       Computer and Internet Security Consultant