Questions tagged [snapshot]
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177 questions
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Trying to understand ZFS Backup strategy and related snapshot deletion?
I currently use a USB HDD for backing up my main zfs pool using snapshots. The main pool is "zfspool" the backup pool is "backup". The process for the backup is as follows:
# ...
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How to view all VM's with snapshots in vCenter 8?
I'm on modern vCenter 8. I've found answers for older versions of vCenter or vSphere but not for 8.
We have hundreds of VM's. Some have snapshots. I can look at an individual VM, right-click, and ...
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rsync consistent and integrity state (LVM/no-snapshot)
On my ubuntu server, I have a directory which has around 800 GB data (filesystem is ext4), this data is written and get changed very frequently, it is on the lvm but the vg doesn't have any free ...
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How to setup Arch Linux on legacy BIOS with BTRFS snapshots?
I have a 13 year old PC with legacy bios. I have installed Arch Linux on it using gpt partitioning. The existing installation uses ext4 and is divided into 5 partitions: /, /boot, /home, swap and the ...
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Should I create subvolume in BTRFS data partition or use it directly?
I plan to use a separate hard disk for data that has one BTRFS partition.
It is currently mounted like this in /etc/fstab:
UUID=9c76582a-95c4-437c-abf2-81e3542665ae /media/data btrfs defaults 0 0
I ...
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Does Debian 12 have software that can perform BTRFS rollback the way Synology does?
When I look at Synology videos from Youtube then there I can see that it is possible to rollback BTRFS snapshots for data without rolling back OS.
My root file system and data are both BTRFS and ...
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Is there something that would look like snapshots, but for NTFS?
I contribute to a software development project which has a specificity:
Multiple versions coexist, and there is a way to run any of those versions locally (to test a new feature or a bug fix).
A ...
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Why don't I recover disk space after a btrfs subvolume snapshot deletion?
To save disk space, I have done a btrfs subvolume delete /mnt/snapshots/some_snapshot. The result is I have not recovered any space, controlled with df -h.
This result is very surprising because there ...
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725
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ZFS Snapshots empty - what am I missing
I am having problems with ZFS Snapshots (on an Ubuntu 20.04 server).
I am using zfs-auto-snapshot to keep incremental backups of snapshots, but the problem appears even with manual snapshots.
I can ...
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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?
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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 ...
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506
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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 ...
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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 ...
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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-...
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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'...