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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.

460 questions
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Backing up VirtualBox VMs

Does anyone have a good complete strategy for backing up a bunch of virtual machines running under VirtualBox? I intend to run a handful of virtual machines on a single hardware platform and back them up nightly to external disks, which will be…
James Green
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Correct process for starting new EC2 Instance from an EBS snapshot

I have an EC2 instance running the Ubuntu 12.04 32bit AMI (available in the first page the Classic wizard for launching a new instance). The root device is an EBS volume. I then follow these steps: Stop the server Right click on volume from…
Matt
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vmware esxi 5, cant create snapshots and consolidate fails, how to delete old or consolidate redo logs?

I have a VM that seems to be working ok, but when VMWare DR (or I) tries to create a snap shot, it fails, and when I view the summary page of the VM it has a warning at the top showing that the disks need to be consolidated. So I go to snapshot…
Scott Szretter
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What does zfs receive -F do?

When I read man zfs for zfs receive I see -F Force a rollback of the file system to the most recent snap- shot before performing the receive operation. If receiving an incremental replication stream (for example,…
Sandra
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AWS snapshot automation

Sorry bit new here. I had to take over managing aws for a small company with about 10 ec2 instances. it looks like the instances are being backed up via snapshots everyday. Currently there are over 400 snapshots. What I can't figured out is how they…
Jay
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VirtualBox Snapshot - How to stop them to grow and take more and more space?

I am using VirtualBox on Ubuntu with some programs installed in it. And the snapshot file does not stop to grow. I don't need this feature. I just want my data to be saved on the virtual windows hard drive. How can I remove the snapshot of 20GB…
Natim
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Can a big VMware snapshot be deleted this way?

I heard that if you have a big snapshot to delete (keep the modifications) you should take a small snapshot again and then "delete all" so that the consolidation takes place in background. Is it a good way to manage big snapshots?
Pozinux
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Large number of snapshots on a ZFS system

Here's my scenario: I have two servers (well many more, but two for this scenario), one is a Solaris backup server, the second is a CentOS Linux Server. Every night the CentOS server runs a cron job to rsync itself to the Solaris backup server.…
Josh
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Is there anything I can do to speed up snapshot speeds?

I have 3 SSD EBS volumes mounted to my database server. The main data volume is 10TB, the journal volume is 1TB, and a 3rd volume is 100GB. When I take a snapshot of the 3 volumes, the 1TB journal volume consistently takes much, much longer to…
chris
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Shutting down machine while deleting large snapshot

On ESXi 5.1, i started deleting a snapshot some hours ago.. A big snapshot of about 800gb. the machine is an SQL Server. It is only at 34% on deleting. can i just shutdown the machine while deleting, in order to do it faster? Aftermath: Well just…
e4rthdog
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VMWare/ESX Snapshots vs Libvirt snapshots vs LVM2 snapshots

In VMWare, when a snapshot is taken, my understanding is that it creates delta disks, and any writes that occur after the snapshot is created will be written to these new delta disk images, and not the primary vmdk image. This is part of the copy…
user160910
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1 answer

MongoDB Disaster Prep on AWS

I'm looking for best practice advice covering MongoDB disaster recovery within an AWS hosted environment. Our setup is fairly standard at this point, replica set of 3 servers (1 primary, 1 secondary, and 1 arbitrator), the mongo volumes on primary…
John
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How do I delete ESXi vm snapshots using the least additional space possible?

We have a tree of about 15 snapshots of a virtual machine that runs Win2k8, as you may guessed our datastore is soon to run out of space. My objective is to delete all the snapshots, as it seems it was a huge mistake to use snapshots for backup…
m0s
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VMWare Snapshots

Is it a good idea to take snapshots of production servers at regular intervals. I am reading a lot of website that suggest that you should not take snapshots of production systems, stating that it can effect network and machine performance. …
dmckenna
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How to have ZFS make snapshots of a directory only when files are changed?

Is it possible to have ZFS make snapshots of a filesystem i.e. pool/filesystem/ only when files are changed? Instead of using cron or something to automatically create a snapshot every 5 minutes is it possible to have ZFS automatically take…
caleban
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