Mailinglist Archive: yast-devel (100 mails)

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[yast-devel] Question about snapper.
  • From: Stef Bon <stefbon@xxxxxxxxx>
  • Date: Wed, 28 Jan 2015 15:07:28 +0100
  • Message-id: <CANXojczt20s79tso5on5JQBJGjsq4yrpf531Do2jKdEPE=Hj0Q@mail.gmail.com>
Hi,

I'm working on a backup program which offers the ability for users to
backup a directory based upon mimetypes. Only the mimetypes of choice
will be processed.

Also it offers access via fuse fs to different versions/snaphots of files, like:

sbon [ /srv/backupbtrfs/mount/home/sbon/Projects/fuse/fuse-backup ]$
ls -al fuse-backup-opendir.c
total 23
drwxr-xr-x 2 sbon users 11 Jan 28 14:56 .
drwxr-xr-x 67 sbon users 4096 Jan 27 19:22 ..
-rw-r--r-- 1 sbon users 14041 Jan 23 10:51 201501231350
-rw-r--r-- 1 sbon users 14137 Jan 25 18:06 201501251807
-rw-r--r-- 1 sbon users 14192 Jan 25 23:30 201501252251
-rw-r--r-- 1 sbon users 14210 Jan 26 00:06 201501260032
-rw-r--r-- 1 sbon users 14516 Jan 26 15:57 201501261554
-rw-r--r-- 1 sbon users 14295 Jan 26 15:59 201501261559
-rw-r--r-- 1 sbon users 15681 Jan 27 15:50 201501271440
-rw-r--r-- 1 sbon users 15775 Jan 27 17:53 201501271553
-rw-r--r-- 1 sbon users 15775 Jan 27 18:11 201501271754
-rw-r--r-- 1 sbon users 16244 Jan 27 19:09 201501271816
-rw-r--r-- 1 sbon users 16287 Jan 27 19:22 201501271919

This shows the different versions of the file fuse-backup-opendir.c in
/home/sbon/Projects/fuse/fuse-backup.
Note that in this fuse fs a file is presented as a directory. This is
required to show the different versions as files in this
directory.

Which directory, and with what options, are processed is stored in a
mysql db. It uses btrfs to create snapshots, and rsync to synchronize
the directory with the backup.

My intention is to create a plugin/extension for filemanagers to get
easy access to these versions in a very userfriendly manner.

I know snapper offers also backup functionality, and I would like to
test it. I've got a recent linuxfromscratch system, so familiar with
building from source. Is snapper also possible on other systems than
opensuse?

Stef Bon
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