0
votes
1answer
37 views

Linux snapshotting issues [duplicate]

Is there any way to deal with incoming writes while a backup is in progress in linux. Example, you are writing to your sql database and lvm snapshotting at the same time. This will result in corrupted ...
1
vote
2answers
44 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 ...
4
votes
1answer
80 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
893 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 ...
2
votes
1answer
638 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 ...
3
votes
1answer
158 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 ...