Server Fault Stack Exchange
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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.

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How do snapshot backups work?

How are snapshot backups different from traditional backups? I know that snapshot backups take a minimum of time, but I don't understand how they can do this. Can anyone explain this to me?
waiwai933
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Where are diskshadow snapshots stored?

I am evaluating DISKSHADOW utility to take MSSQL database snapshots. I use the below set context persistent set option rollbackrecover txfrecover set verbose on begin backup add volume d: alias dbshadow create I can see that a snapshot is created.…
M N Manikantan
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qemu-img snapshot on live VM

I have created multiple KVM VMs using QCOW2 images. Each VM has its own qcow2 file and is not based on any backing file. My question is specifically related to snapshots of QCow2 images on these running VMs. If I run the following command on a…
user1066991
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Linux live hot backup snapshot

I have a VPS with linode and they have hot backup of running system. I have multiple times restored the image when I do something stupid or mess up some install etc How do they do live hot backup , how can I do it on my local linux machine or Mac ?…
doesnt_matter
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ESXi alerts to consolidate but there were no snapshots taken

I recently came a cross a disk failure on our server and got the disk replaced. Due to this disk failure there were certain issues which raised and now its going up and down. What my problem is that, on our ESXi we've set-up ghettoVCB script to…
AzkerM
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bad page map bug during snapshot

I ran the following command to create a snapshot volume. But the kernel received a bug and the kvm hypervisor stopped responding. Why is the error and how to fix it? lvcreate -L20G -s -n volume_A_backup /dev/vgroup/volumeA Error Log: Mar 10…
Purres
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How to replace QEMU binary with newer version for libvirt live snapshots

This is my first post, so please be gentle. :) My CentOS 6.5 box has a QEMU binary that does not support live external snapshots. This is the command I attempt on the virsh CLI, and its output: virsh # snapshot-create-as myvm snapshot1 "snapshot1…
billyw
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Server Backup Strategy for Amazon EC2

Where and how should I backup my EC2 / EBS based snapshots OUTSIDE of EC2? EC2 provides a great product with their EBS based snapshots. However it is also a high risk point that someone could obtain our credentials and delete all the snapshots. …
csi
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export XenServer snapshot as file via console

I have created a snapshot of a Citrix XenServer virtual machine using XenCenter, and now I would like to save this snapshot as an *.xva file, just as if I right-click on the snapshot icon in XenCenter and choose "Export to file...". However since…
nn4l
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Unremovable invisible snapshot

We are running ESX 3.5.0 and are using VCB for making backups. Yesterday VCB failed to remove its snapshot. That has happened a couple of times before, and I removed it manually as usual. But this time the VCB snapshot got replaced by a "Consolidate…
David Eliason
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I can't mount a LVM snapshot on a XEN host

I'd like to backup my XEN VMs by copying-rsyncing a LVM snapshot. I'm trying to mount a snapshot that contains a XEN guest's virtual disk (ext4). Below are all the steps I follow. I can't mount the snapshot and it seems there's no partition table in…
Icu
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Checking for orphaned snapshots - ESXi5

So we had some issues with our passive mail node over the weekend doing vmtools updates and to resolve a problem we had to revert to a snapshot and then reseed all the databases across. All in all everything seemed fine, the server works and CCR…
user35213
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Export snapshot from VMWare Workstation 8

How can I export a virtual machine from VMWare Workstation 8 to another physical computer which has VMWare Workstation 8? i.e. how can I move snapshots between different instances of VMWare Workstation 8? Virtual machine host's are Linux…
MyTitle
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OpenBSD and filesystem snapshots

What is the best solution, if any, for carrying out LVM style filesystem snapshots on OpenBSD?
Moo
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Is it a bad idea to do an OVF Export of a VM with snapshot data?

I'm currently using a VM running on ESXi 5.0 to dry-run installation procedures for a software product. We're trying a whole different bunch of things, so I'm making extensive use of snapshots to save my place at various points. Now, I know a thing…
Vishal Kotcherlakota
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