[Borgbackup] tag A or U when files are updated ?
Ernest Chiarello
ernest.chiarello at univ-fcomte.fr
Thu Sep 2 09:08:13 EDT 2021
Vielen Dank, Thorsten,
I'm not sure I fully understand what is written in the documentation...
but i tried to add a new small file in the archive, as suggested. 😎
Le 02.09.21 à 13:01, Thorsten Schöning a écrit :
> You can make sure by creating an additional, small file in the backup
> source folder:
>
>> If you want to avoid unnecessary chunking, just create or touch a
>> small or empty file in your backup source file set (so that one has
>> the latest timestamp, not your 50GB VM disk image) and, if you do
>> snapshots, do the snapshot after that.
the new added file is passwd... the first backup (with passwd) takes the
same time as the previous one: 2m34
root at kvm610:/var/lib/libvirt/backups/onlyoffice # time borg create
--list /var/lib/libvirt/borgbackup/kvm610::essai6
/var/lib/libvirt/backups/onlyoffice
U /var/lib/libvirt/backups/onlyoffice/onlyoffice_2021-08-28_06:25:22.xml
U /var/lib/libvirt/backups/onlyoffice/onlyoffice_2021-08-23_06:25:35.xml
U /var/lib/libvirt/backups/onlyoffice/onlyoffice_2021-09-02_06:25:03.xml
U /var/lib/libvirt/backups/onlyoffice/onlyoffice_2021-08-26_06:25:35.xml
U /var/lib/libvirt/backups/onlyoffice/onlyoffice_2021-08-29_06:25:14.xml
U /var/lib/libvirt/backups/onlyoffice/onlyoffice_2021-08-30_06:25:17.xml
U /var/lib/libvirt/backups/onlyoffice/onlyoffice_2021-08-31_06:25:26.xml
U /var/lib/libvirt/backups/onlyoffice/onlyoffice_2021-09-01_06:25:10.xml
U /var/lib/libvirt/backups/onlyoffice/onlyoffice_2021-08-22_06:25:08.xml
U /var/lib/libvirt/backups/onlyoffice/onlyoffice_2021-08-24_06:25:51.xml
U /var/lib/libvirt/backups/onlyoffice/onlyoffice_2021-08-25_06:25:23.xml
U /var/lib/libvirt/backups/onlyoffice/onlyoffice_2021-08-27_06:25:14.xml
U /var/lib/libvirt/backups/onlyoffice/onlyoffice.bimg-20210412-141702
U /var/lib/libvirt/backups/onlyoffice/onlyoffice.bimg-20210412-131701
U /var/lib/libvirt/backups/onlyoffice/onlyoffice.bimg-20210412-121701
U /var/lib/libvirt/backups/onlyoffice/onlyoffice.bimg-20210412-111701
U /var/lib/libvirt/backups/onlyoffice/onlyoffice.bimg-20210412-101701
U /var/lib/libvirt/backups/onlyoffice/onlyoffice.bimg-20210412-091701
U /var/lib/libvirt/backups/onlyoffice/onlyoffice.bimg-20210412-081701
U /var/lib/libvirt/backups/onlyoffice/onlyoffice.bimg-20210412-071702
A /var/lib/libvirt/backups/onlyoffice/onlyoffice.qcow2
A /var/lib/libvirt/backups/onlyoffice/passwd
d /var/lib/libvirt/backups/onlyoffice
real 2m34,957s
user 1m44,797s
sys 0m12,468s
but the next backup is immediate: 0m07 !!
root at kvm610:/var/lib/libvirt/backups/onlyoffice # time borg create
--list /var/lib/libvirt/borgbackup/kvm610::essai7
/var/lib/libvirt/backups/onlyoffice
U /var/lib/libvirt/backups/onlyoffice/onlyoffice_2021-08-28_06:25:22.xml
U /var/lib/libvirt/backups/onlyoffice/onlyoffice_2021-08-23_06:25:35.xml
U /var/lib/libvirt/backups/onlyoffice/onlyoffice_2021-09-02_06:25:03.xml
U /var/lib/libvirt/backups/onlyoffice/onlyoffice_2021-08-26_06:25:35.xml
U /var/lib/libvirt/backups/onlyoffice/onlyoffice_2021-08-29_06:25:14.xml
U /var/lib/libvirt/backups/onlyoffice/onlyoffice_2021-08-30_06:25:17.xml
U /var/lib/libvirt/backups/onlyoffice/onlyoffice_2021-08-31_06:25:26.xml
U /var/lib/libvirt/backups/onlyoffice/onlyoffice_2021-09-01_06:25:10.xml
U /var/lib/libvirt/backups/onlyoffice/onlyoffice_2021-08-22_06:25:08.xml
U /var/lib/libvirt/backups/onlyoffice/onlyoffice_2021-08-24_06:25:51.xml
U /var/lib/libvirt/backups/onlyoffice/onlyoffice_2021-08-25_06:25:23.xml
U /var/lib/libvirt/backups/onlyoffice/onlyoffice_2021-08-27_06:25:14.xml
U /var/lib/libvirt/backups/onlyoffice/onlyoffice.bimg-20210412-141702
U /var/lib/libvirt/backups/onlyoffice/onlyoffice.bimg-20210412-131701
U /var/lib/libvirt/backups/onlyoffice/onlyoffice.bimg-20210412-121701
U /var/lib/libvirt/backups/onlyoffice/onlyoffice.bimg-20210412-111701
U /var/lib/libvirt/backups/onlyoffice/onlyoffice.bimg-20210412-101701
U /var/lib/libvirt/backups/onlyoffice/onlyoffice.bimg-20210412-091701
U /var/lib/libvirt/backups/onlyoffice/onlyoffice.bimg-20210412-081701
U /var/lib/libvirt/backups/onlyoffice/onlyoffice.bimg-20210412-071702
U /var/lib/libvirt/backups/onlyoffice/onlyoffice.qcow2
A /var/lib/libvirt/backups/onlyoffice/passwd
d /var/lib/libvirt/backups/onlyoffice
real 0m0,682s
user 0m0,454s
sys 0m0,146s
and the qcow2 file is tagged "U", as expected.
but I don't see how to avoid this type of problem when saving large
files from time to time (qcow2 images)... 😕
What do you think ?
Ernest.
> https://borgbackup.readthedocs.io/en/stable/faq.html#i-am-seeing-a-added-status-for-an-unchanged-file
>
> Mit freundlichen Grüßen
>
> Thorsten Schöning
>
--
Ernest CHIARELLO - Ernest.Chiarello at univ-fcomte.fr
UMR6049 ThéMA - CNRS / Université de Franche-Comté
Service de gestion et production de l'information
32 rue Mégevand - F 25030 BESANCON Cedex
Tel : 03 81 66 53 66 Mob : 07 82 99 11 08
USR3124 MSHE Ledoux - CNRS / UFC
Plateforme technologique SHERPA
1 rue Charles Nodier - F 25030 BESANCON Cedex
Tel : 03 81 66 53 66 Mob : 07 82 99 11 08
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://mail.python.org/pipermail/borgbackup/attachments/20210902/b73de7e8/attachment-0001.html>
More information about the Borgbackup
mailing list