Questions tagged [snapshot]
The snapshot tag has no usage guidance.
58
questions with no upvoted or accepted answers
6
votes
0
answers
3k
views
comparing between two VM snapshots?
I already know some programs can compare between two snapshots but they only work on my real machine but I want to know how to know the difference between two virtual machine snapshots
Example :
-&...
- 203
4
votes
0
answers
3k
views
How to prevent VirtualBox VM crashing into "Aborted" when resuming it from a snapshot with running OpenGL application inside?
When I try snapshot/restore-state in VirtualBox 4.0.4, it works.
Hovewer, if I try restoring snapshot when some OpenGL-enabled application is running inside VM, VM crashes immediately after starting.
...
- 17.3k
3
votes
0
answers
628
views
Does ZFS support something like "nodatacow" of BTRFS?
This is a follow up to a former question about BTRFS and in the end I want to have a file system supporting at least the manual creation of snapshots for backup and test purposes. The data I'm hosting ...
3
votes
1
answer
876
views
How to make (and restore) an application snapshot in runtime?
I'm trying to make a snapshot of a running application, in runtime, and restore it afterwards. By 'snapshot' I mean complete state of my application - I suppose that's just memory pages and CPU ...
- 141
3
votes
0
answers
70
views
Is it possible to open someone's Xcode snapshot in my Xcode?
My boss sent me a Xcode Snapshot of the project that he is working on, but I don't know how to open it and I am not sure if it's possible to open it. Can someone teach me?
- 31
3
votes
1
answer
1k
views
Shadow Copies are properly created, but in Explorer I can’t access to “previous versions” (reported as not available)
Windows 7 Ultimate 64 bit: I always utilized the shadow copies, not only to restore the OS to a previous version: I mainly use the shadow copies to restore single files, by using the "Previous ...
- 61
2
votes
1
answer
491
views
rebase virtualbox snapshot to another parent
I'm excessively using VirtualBox snapshots (for use in CI-builders), so typically I have a number of snapshots on a single VM.
Often I find my self "forking" a new snapshot from an existing ...
- 451
2
votes
0
answers
408
views
How to prevent GRUB from scanning lvm snapshot?
My root file system is a LVM2 logic volume, and there are few snapshots of it beside.
Every time when I run update-grub, it always add menu entries for those snapshots as if they are normal volumes. ...
- 239
2
votes
1
answer
590
views
Btrfs automatically bitrot correction with snapshots?
I want to set up a notebook (debian) with 1 SSD and 1 HDD each with Luks and Btrfs on it. Because the SSD and the HDD doesn't have the same speed, i don't want to use Btrfs' Raid-1 on it, but i also ...
- 21
2
votes
0
answers
176
views
Delete VirtualBox snapshot's running state
I have several VirtualBox snapshots depending in an tree-like hierarchy. Some of them however are saved running.
How can I drop the running state and just keep the harddisk state of snapshots inside ...
- 1,908
2
votes
1
answer
115
views
Deleting Snapshots from LinkedClone Corrupts other LinkedClones
I am currently having a problem in which I have 3 LinkedClones created from the same parent snapshot.
The tasks I do consists of creating a lot of snapshots per virtual machine, therefore having the ...
- 689
1
vote
1
answer
244
views
Where is mounted LVM snapshot volume's size come from?
I'm learning to do backup database with LVM snapshot.
While on it, I found some behavior of snapshot that I can't get it.
Here is my setup:
1 Physical Volume and Volume Group from it with size 1.95T (...
- 11
1
vote
0
answers
30
views
How to determine how the data was set when creating the ext4 on the raid0 LVM
I am working on consistent snapshots verifications. We snapshotted the raw device attached (saying two drives sdb and sdc) to a host and want to check the data was preserved with the desired orders as ...
- 21
1
vote
0
answers
470
views
Is it possible to save browser tab, including javascript variables, content of form fields, cookies, etc. for offline viewing later?
I'm trying to save a state of card in browser (preferably firefox or chrome). Is it possible? Something like snapshot in VirtualBox.
Let's say I'm using javascript app that doesn't have save feature ...
- 33
1
vote
1
answer
4k
views
For automating a full backup of a VM, is exporting as an appliance better than cloning the VM?
I recently had a mishap on my VM, where for somereason the settings of my
BridgeNetwork got changed randomly. I had to spend quite a bit of time to
figure out the root cause. Rightnow, I manually copy ...
- 1,053