Questions tagged [snapshot]
The snapshot tag has no usage guidance.
170
questions
0
votes
0
answers
13
views
What are the Vagrant limitations for VMware disks with snapshots?
The docs are a bit cryptic about this:
If snapshots exist for a VM, disk functionality will be limited.
What limitations does Vagrant impose exactly on a VMware VM that has snapshots?
0
votes
0
answers
50
views
Btrfs snapshots are empty
I am using btrbk to make snapshots of my @home subvolume, but the snapshots are empty, zero bytes.
I think I need to automount home, somehow.
I see in the Btrfs Assistant File Viewer that the root ...
- 246
0
votes
1
answer
88
views
How to unmount /home on a BTRFS system?
In order to restore a BTRFS snapshot of /home, on NixOS, the Wiki says to first unmount /home.
"home must be unmounted for this operation"
https://nixos.wiki/wiki/Btrfs
So my question is how ...
- 246
1
vote
1
answer
132
views
How extract currently displayed frame with ffmpeg?
I'm conducting a test with a 10-second video that plays at a rate of 1 frame per second. My goal is to capture a specific frame as a snapshot. Currently, I use the following ffmpeg command for this ...
- 23
2
votes
1
answer
119
views
Can I control which file jdupes preserves when using hardlinks?
The jdupes deduplication program allows you to create hardlinks, so that the files are not deleted, but linked together so that the disk space is used only once for multiple copies.
Is there a way to ...
- 1,158
0
votes
0
answers
157
views
Btrfs local Snapshots vs Incremental remote Backup
In a NAS context, I'm wondering about the pros of btrfs local snapshots when incremental remote backup is made on a remote server.
I'm also wondering about the interest to have both snapshots and ...
- 161
1
vote
2
answers
736
views
Accurately taking a snapshot from a video using a command line tool
I am looking for a way to take accurate screenshots from a video. Accurate to the milliseconds. I have tried using ffmpeg using the following command:
ffmepg.exe -ss position-in-hours-minutes-...
- 75
-1
votes
1
answer
92
views
How to avoid noise from light source while taking photo or video in iphone [closed]
I have iphone 13 pro with triple camera on it's rear.
whether it's video or photo there's always unwanted noise coming from light sources and it spoils the video and photos.
Please see the areas that'...
- 107
1
vote
1
answer
241
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
0
votes
1
answer
34
views
Apache Ignite - Automatic Cluster Snapshot Create / Restore Procedure
When trying the Apache Ignite cluster snapshot procedure (snapshot create, restore), the restore operation is not successful.
Before the restore procedure, we have destroyed the cache which we want to ...
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
0
votes
1
answer
134
views
borg backup is processing all files instead of modified
please advise how to correctly make borgbackup to process and copy only modified source files and their diffs to destination?
every week we make our data snapshot in cephfs:
/data/.snap/snap1/
/data/....
- 1
0
votes
1
answer
92
views
SLES 15 SP4: snapper.service is being run, but no timeline snapshot is created
I have to new installations using SLES15 SP4, and I have an older SLES15 SP3 installation that was upgraded from SLES12 SP5.
While the older installation created "timeline" snapshots every ...
- 695
1
vote
1
answer
685
views
Does multiple snapshots influence the performance?
My desktop system(Kubuntu-20.04.4, with LVM2 root-fs) need to be frequently adjusted the configurations, but some configuration would be fault.
I take a new LVM2 snapshot of root fs, before every time ...
- 239
0
votes
2
answers
354
views
Understanding VirtualBox Snapshots
I have a base Windows 10 image that I want to make changes to. I have already cloned it to a working copy.
I understand that the smart thing to do is to create snapshots so that I can roll back the ...
- 599