The snapshot tag has no wiki summary.
4
votes
3answers
620 views
Performing accurate snapshot and incremental backups to a remote server
I have a few Ubuntu (and potentially RHEL) servers I'd like to back up to a central backup server (via rsh/SSH). I'd like to do both snapshot and incremental backups. The goal is that if one of the ...
4
votes
1answer
76 views
Do LVM snapshots ultimately cause fragmentation?
I'm planning on using LVM in order to be able to take atomic snapshots of large files and rsync them to a remote site.
What I'd like to know is whether there is any long-term impact on the main ...
3
votes
3answers
884 views
Temporary restore LVM snapshot of root
I have a snapshot of the root filesystem that I want to boot with - bring the machine into a state it was a few days ago, run some tests and then go back to where I am right now.
I tried editing ...
3
votes
1answer
157 views
Create Logical Volume Snapshot at boot and before mount
I'm using Kubuntu 11.10 and before I upgrade to 12.04, I want to make snapshots of my filesystems. Coming to think of that, I realized that it can be very useful to create snapshots of logical volumes ...
2
votes
2answers
93 views
`cp -al` snapshot whose hard links get directed to a new file when edited
I am trying to take snapshots of a massive folder regularly.
I have read here: http://www.mikerubel.org/computers/rsync_snapshots/#Incremental
that cp -al takes a snapshot of a folder by simply ...
2
votes
1answer
627 views
How much can the space allocated for an LVM snapshot be reduced?
I created an LVM snapshot, then I modified the original logical volume, and now I see that I probably allocated too much space to hold the snapshot. And I want to reclaim some free space by reducing ...
2
votes
0answers
45 views
Compiling and running Snapper for Ubuntu
I am trying to get snapper working in my Mint 14. (The version from launchpad is old and not compatible with Ubuntu 12.10. The OpenSuSe's build project failed to build it, too). So I try my luck with ...
1
vote
2answers
41 views
Should I be worried? Segfaults reported in syslog when merging LVM snapshot (reverting the original back to the snapshot)
I was just experimenting with snapshots in LVM on Ubuntu 12.10. I created a snapshot logical volume of 6.5 GiB, and after making some changes to the origin decided to merge the snapshot back in to ...
1
vote
1answer
23 views
Back up snapshots without being admin
I would like to make a back up/snapshot of a folder where I have built various programs (~4.1 GB in size). The idea is to be able to quickly restore everything in this path to it's original state in ...
1
vote
1answer
106 views
Online remount btrfs of root filesystem with different subvolume (snapshot)
Let's say you have a btrfs root filesystem on an online system. You want to revert the filesystem to an earlier state, of which you have a snapshot:
remount /dev/sdaX / -o remount,subvol=snapshots/Y
...
