Comments (6)
BACKUP_FROM_SNAPSHOT
is supposed to be used in the following situation:
- you cannot stop your containers while taking the backup (this should always be the preferred option)
- you are backing up a highly volatile file system that will change while writing the tar archive, see #32
In your particular case it looks as if a file in the backup target gets deleted while / right before you are trying to copy it. This is probably an upstream issue in package copy
(https://github.com/otiai10/copy), maybe we should open an issue there or see if it has been reported before.
In the meantime, is stopping the containers during backup a workable option for you? You could also try running the backup without stopping containers and without using the snapshot option, but I would assume this fails as well, exposing the behavior described in #32
from docker-volume-backup.
Thank you for your answer.
I create backup of prometheus container. Backup time - 40 minutes. If i stop prometheus for this time it will be not good.
From other side i can send to prometheus container some command like that
curl -XPOST -u $prom_user:$prom_pass http://prometheus/api/v1/admin/tsdb/snapshot
to create snapshot
But how can i send this curl request from your docker_backup solution before start backuping?
Also i have many containers such as svn
, postgres
in which always write any dynamical data and this container can't stop on during backup process and i can't use BACKUP_FROM_SNAPSHOT
because is just not working as need :(
from docker-volume-backup.
But how can i send this curl request from your docker_backup solution before start backuping?
Right now you can't, see #45
Also i have many containers such as svn, postgres in which always write any dynamical data and this container can't stop on during backup process and i can't use BACKUP_FROM_SNAPSHOT because is just not working as need :(
I'm not sure what is happening exactly, but maybe a good start would be creating an issue in the upstream repository about this https://github.com/otiai10/copy
from docker-volume-backup.
I created an upstream issue here otiai10/copy#72
from docker-volume-backup.
Not fixing the underlying issue, but running pre/post commands for preparing backups is now supported as of v2.13.0
from docker-volume-backup.
An upstream fix is now included in v2.26.1
from docker-volume-backup.
Related Issues (20)
- loadConfigsFromEnvFiles does not ignore comments in file configs HOT 3
- "Page not found" error when using with balena HOT 9
- Hard to understand error message during exec HOT 3
- archive-pre is triggered on each container backup instead of just container with exec-label HOT 3
- Health Check HOT 6
- Notifications Delay HOT 1
- Replace Log line feeds with HTML <br> tag HOT 3
- Backup the entire content without directory HOT 4
- Backup to subfolders HOT 2
- Resolve date in AWS_S3_PATH HOT 1
- Can't get stop during backup working HOT 2
- Remove local backup after upload to S3 HOT 3
- Invalid memory address crash when running a backup HOT 16
- Fail to configure cron schedule HOT 3
- Docker swarm error HOT 5
- "swarm exec" support HOT 1
- "input/output error" when copying file to NFS mount HOT 4
- Azure storage: Support access tier HOT 2
- schedule the docker-volume-backup? HOT 1
- [Feature] Automated backups of all named volumes HOT 6
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from docker-volume-backup.