Questions tagged [snapshot]

A snapshot is a copy of data taken at a specific point in time.

A snapshot is a copy of data taken at a specific point in time.

460 questions
3
votes
2 answers

LVM-snapshot based KVM VMs

As far as I know, LVM snapshots basically don't take any "real" space on hard drives. I'm using KVM virtualization on my hosts and let's say I create an LVM volume for my Linux VM, then install it properly, shut it down and take LVM snapshot of it.…
Paul Basov
  • 163
  • 7
3
votes
1 answer

How to find corresponding snapshot file in VMware?

I am using ESXi 4.1. I am a having VM with 3 snapshots. When exploring datastore , snapshot vmdk name doesn't contain any word from snapshot name. How to find snapshot vmdk for corresponding snapshot? For ex. "ie88nt8ksvm081-000004.vmdk" Does the…
Samselvaprabu
  • 1,311
  • 5
  • 14
  • 27
3
votes
2 answers

Do VirtualBox snapshots take up space?

When I remove a snapshot, it just says 'Merging differencing image'. I don't know how much room each snapshot is taking. It's certainly not copying everything.
AlxVallejo
  • 1,086
  • 4
  • 11
  • 19
3
votes
2 answers

Is it possible to create an EBS AMI for windows EC2 instance?

We have a Windows server (EBS backed) running in EC2. We make regular snapshots for data backups. I'd like to create a new EC2 instance from one of these snapshots. Yes, I realise this is the same as yanking out the power and turning a machine on,…
Matt Connolly
  • 157
  • 1
  • 6
3
votes
2 answers

ext3 Snapshot Support

Does the ext3 filesystem support snapshotting? If so, is can this be done with straight partitions with no LVM? An example of "straight partitions" would be the following: /dev/sda1 /boot ext3 /dev/sda2 / ext3 /dev/sda3 swap
U85
  • 121
  • 4
3
votes
2 answers

open source backup system with user-driven recovery

At my old company we used NetApp, which supported a ".snapshot" feature. Whenever I did something stupid to my files, I could cd .snapshot and find hourly and nightly directories which contain snapshots of my current directory. I get the file I need…
bukzor
  • 263
  • 3
  • 9
3
votes
2 answers

Disable automatic snapshots on vmware server

Is there a way turn off the automatic snapshot feature in vmware server? (Or is that a bad idea for some reason?) We have the files on the machine backed up separately, so I don't see the need for snapshots, and it seriously slows down the host…
Paul Lynch
  • 181
  • 1
  • 8
3
votes
2 answers

Can ESXi (4.1) mount a VMFS datastore alongside a read-only snapshot of it?

I have a ESXi (4.1) server talking with a Windows Server 2008 R2 storage server, which presents some volumes as iSCSI targets using Microsoft's iSCSI software target; ESXi uses them as its datastores. All fine and good. Microsoft's iSCSI…
Massimo
  • 70,200
  • 57
  • 200
  • 323
3
votes
2 answers

Recovering a Hyper-V vhd from a snapshot

I'm going to leave out tons of related info that I hope isn't relevant to keep this lean - feel free to ask for detail. My host is a Windows Server 2008 Standard SP2 (not R2). Last February we had created a snapshot on a virtual machine and then…
Kevin Donn
  • 179
  • 1
  • 4
3
votes
5 answers

Backup solution for 10TB using ubuntu

I am setting up a backup server with roughly ten 2TB hard drives raided. The purpose of this machine is simply to back up about 3-10TB of data from another server. What is the best way to achieve this backup. It would be nice to have version…
aznnico
  • 31
  • 2
3
votes
5 answers

Handling XenServer snapshotting and cloning with ZFS SAN

I'm planning on setting up a XenServer machine that uses a NexentaOS/ZFS-based SAN for storage of the Virtual Disk Images (VDIs) through iSCSI. I know I could just setup a big Storage Repository (SR) on the SAN and let XenServer take care of…
Alex
  • 471
  • 7
  • 18
3
votes
3 answers

How to take snapshot of the filesystem in linux (files, their sizes only, not their data)

We need to take a snapshot of your linux server. We don't want to backup the data, just a snapshot we can compare against changes.
gAMBOOKa
  • 999
  • 6
  • 19
  • 34
3
votes
3 answers

Immutable hard links on ext3/4?

In my research on file versioning at the fs level, snapshotting, and related ideas, I took a look at hard-links and exactly what they are and how they behave. Using rsync you can get a pretty slick poor man's snapshotting system up and running on…
Dale Forester
  • 241
  • 2
  • 5
3
votes
4 answers

libvirt and qemu/kvm -snapshot option

Using libvirt, I want to use QEMU's '-snapshot' option. That way, when the machine shuts down, all of the disk changes that were made get destroyed. Here is the manual for the -snapshot option: Write to temporary files instead of disk image files.…
user34480
3
votes
1 answer

What path on disk does a containerd snapshot key map to?

I want to remove a snapshot from a node in our Kubernates cluster: /var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/NNNN But I am unable to map this path to any snapshots as reported by ctr -n k8s.io snapshots list. I have tried…
Gunnar
  • 151
  • 2