[Borgbackup] tag A or U when files are updated ?

Ernest Chiarello ernest.chiarello at univ-fcomte.fr
Thu Sep 2 05:59:30 EDT 2021


Hi all,

i am new in that list... and I am using borgbackup to back up data 
managed by libvirt / kvm.

i want to backup /var/lib/libvirt/backups/onlyoffice folder with 
borgbackup, it has some xml files and some snapshots (.bimg), as well as 
qcow2 image.

the image weighs 14 GB.

|root at kvm610:~ # ls -lh 
/var/lib/libvirt/backups/onlyoffice/onlyoffice.qcow2 -rwxr-xr-x 1 
libvirt-qemu kvm 14G avril 12 07:17 
/var/lib/libvirt/backups/onlyoffice/onlyoffice.qcow2* |

the first borgbackup backup lasts 2m37, all the files are tagged A, 
because "added".

|root at kvm610:~ # time borg create --list 
/var/lib/libvirt/borgbackup/kvm610::trial4 
/var/lib/libvirt/backups/onlyoffice A 
/var/lib/libvirt/backups/onlyoffice/onlyoffice_2021-08-28_06:25:22.xml A 
/var/lib/libvirt/backups/onlyoffice/onlyoffice_2021-08-23_06:25:35.xml A 
/var/lib/libvirt/backups/onlyoffice/onlyoffice_2021-09-02_06:25:03.xml A 
/var/lib/libvirt/backups/onlyoffice/onlyoffice_2021-08-26_06:25:35.xml A 
/var/lib/libvirt/backups/onlyoffice/onlyoffice_2021-08-29_06:25:14.xml A 
/var/lib/libvirt/backups/onlyoffice/onlyoffice_2021-08-30_06:25:17.xml A 
/var/lib/libvirt/backups/onlyoffice/onlyoffice_2021-08-31_06:25:26.xml A 
/var/lib/libvirt/backups/onlyoffice/onlyoffice_2021-09-01_06:25:10.xml A 
/var/lib/libvirt/backups/onlyoffice/onlyoffice_2021-08-22_06:25:08.xml A 
/var/lib/libvirt/backups/onlyoffice/onlyoffice_2021-08-24_06:25:51.xml A 
/var/lib/libvirt/backups/onlyoffice/onlyoffice_2021-08-25_06:25:23.xml A 
/var/lib/libvirt/backups/onlyoffice/onlyoffice_2021-08-27_06:25:14.xml A 
/var/lib/libvirt/backups/onlyoffice/onlyoffice.bimg-20210412-141702 A 
/var/lib/libvirt/backups/onlyoffice/onlyoffice.bimg-20210412-131701 A 
/var/lib/libvirt/backups/onlyoffice/onlyoffice.bimg-20210412-121701 A 
/var/lib/libvirt/backups/onlyoffice/onlyoffice.bimg-20210412-111701 A 
/var/lib/libvirt/backups/onlyoffice/onlyoffice.bimg-20210412-101701 A 
/var/lib/libvirt/backups/onlyoffice/onlyoffice.bimg-20210412-091701 A 
/var/lib/libvirt/backups/onlyoffice/onlyoffice.bimg-20210412-081701 A 
/var/lib/libvirt/backups/onlyoffice/onlyoffice.bimg-20210412-071702 A 
/var/lib/libvirt/backups/onlyoffice/onlyoffice.qcow2 d 
/var/lib/libvirt/backups/onlyoffice real 2m37,093s user 1m46,503s sys 
0m11,726s |

I then restart the same backup, in the same warehouse but with a 
different archive name (trial5). all the xml and bimg files are tagged 
U, like "updatedb", but the qcow2 image is still tagged A, even though 
it hasn't moved ... the VM has been shut down since April.

|root at kvm610:~ # time borg create --list 
/var/lib/libvirt/borgbackup/kvm610::trial5 
/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 d 
/var/lib/libvirt/backups/onlyoffice real 2m36,473s user 1m45,359s sys 
0m11,831s |

you have an idea to explain this?

and the backup time is the same ... 2m37 / 2m36

thanks in advance,


Ernest.

-- 
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
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Tel : 03 81 66 53 66           Mob : 07 82 99 11 08

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