Snapshots allow users to create images of a specified filesystem. Use this tag if you have problems or questions about creating Snapshots in Ubuntu.

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1answer
214 views

rsync creating target directory with old date

I have a script that automates backups - hourly snapshots of my xubuntu 12.04LTS workstation. It creates a directory named according to the date and time, ie: 20140316-1033, representing 10:33 this ...
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1answer
195 views

LVM: unable to create snapshot due to failed merge of prior snapshot

I inadvertently created a situation where I deleted an LVM snapshot that was pending a merge (yes - bonehead move). Now I can neither finish the merge nor create a new snapshot on the original logical ...
0
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1answer
159 views

Btrfs snapshot marked as deleted

I am using Btrfs v3.12 and each time I delete a snapshot it is not deleted, marked as "DELETED" but the global size of the volume doesn't change. I have never seen that in older version of BTRFS. ...
0
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1answer
336 views

Can I Recover The Files in the Directory /usr from a btrfs Snapshot?

Some time ago, I moved the folder /usr to its own partition. Before this it had lived in the / partition which has a btrfs filesystem. Accidentally, I formatted my /usr partition from my Windows XP ...
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0answers
34 views

How make LVM Snapshots to back in time, in case of bad or non working instalation

I have LVM in my ubuntu installation and i want to know how I can make a snapshot of the whole system, if possible, for example if I install a experimental software and i don't like it, go back in ...
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0answers
193 views

BTRFS cannot delete snapshot - operation not permited

I cannot delete a the btrfs subvolume "2014-07-28" which is a snapshot of the "@" created by the kubuntu installer to serve as the kubuntu root. teneighty@teneighty-MS-7924:/$ sudo mount -o ...
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16 views

Unable to mount secondary BTRFS filesystem to specific subvolume

So I'm trying to wrap my head around BTRFS and set up my fileserver using BTRFS filesystems. Here is my setup: /dev/sda1 : BTRFS filesystem, contains @, @home subvolumes mounted to / and /home. ...
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8 views

Backup lvm thin pool metadata

Usually, if you want to backup a volume, you create a snapshot and then dd it to some location, but it doesn't work with pool metadata: # lvcreate -s "vg_oktestdb1/pool_tmeta" --name metasnap -l ...
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10 views

Ubuntu (guest) freezes after a snapshot

My host OS is windows 7 and i have ubuntu 14.10 as a guest on my virtual box(v4.3.26). I took a snapshot of ubuntu before I began an installation, ever since then, when I save machine state and ...
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81 views

How to recursive delete btrfs snapshot?

How can I delete a snapshot that contain in itself other snapshots? The normal sudo btrfs subvolume delete will give a error.
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35 views

How to properly restore a btrfs snapshot?

My / and /home partitions of my Ubuntu 14.10 system are formatted with btrfs. What is the proper way to restore a snapshot I made with out using any third party software?
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27 views

kernel.yama.protected_nonaccess_hardlinks is an unknown key

I want to clear the snapshots of Cassandra using : nodetool -h localhost -p 7199 clearsnapshot but it gives me an exception : Exception in thread "main" FSWriteError in ...
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0answers
90 views

Vagrant snapshot installation problem. Ubuntu 14.10

I have some troubles with vagrant snapshot installation. I have vagrant(1.4.3) and virtualbox(4.3.18). I'm trying to install snapshot plugin via sudo vagrant plugin install vagrant-vbox-snapshot and ...
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43 views

Snapshot Boot - Ubuntu

I am trying to implement snapshot boot in Ubuntu 12.04 LTS. I know that writing disk to /sys/power/state will put my system in hibernation. Next time, when I boot, it restores from that point. I want ...
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0answers
129 views

Snapshot revert fails in my KVM setup

I am trying to revert a snapshot and I am getting the below error message in my KVM setup . Reverting to a snapshot is failing. #virsh snapshot-revert TestImg Deployed-Stage --force error: An error ...
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0answers
20 views

Errors when attempting to setup snapshot post LVM setup

I have been given assistance in setting up my LVM to be able to use snapshot in a previous ubuntu thread though at this point I just cannot figure out how to get my snapshot setup so that I could feel ...
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44 views

“Last known working configuraition”

Is there a way to make Ubuntu have a last known working configuration. Windows has this as standard and can be accessed at the boot menu. I’ve asked this question in the irc channels and the best ...