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

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4answers
20k views

Is this how LVM snapshots work?

I'm trying to figure out how LVM snapshots work so I can implement it on my fileserver but I'm having difficulty finding anything on google that explains how it works instead of how to use it for a ...
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3answers
2k views

convert vmware snapshot to vdi

I found plenty of documentation on how to convert a .vmdk file to a .vdi (VirtualBox) file. But they all assume you don't use snapshots. -- Is there a way to convert the vmdk snapshots too?
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3answers
1k views

LVM and snapshots

I have a fileserver that I just setup lvm on. I have two LVM partitions /dev/fileserverLVM/home /dev/fileserverLVM/backup I'd like to take and store the snapshots in /dev/fileserverLVM/backup. The ...
0
votes
1answer
636 views

Speeding Up MSSQL Snapshot Replication to SQLExpress Replica

I have a well-connected remote site that I'm delivering snapshots to twice-daily of certain tables. Snapshot replication is the only method that I can use based on the schema limitations of the ...
7
votes
2answers
9k views

What happens to children when deleting a snapshot in vmware?

I'm new to virtualization and want to make sure I understand what will happen when I delete a snapshot Say I have a tree like this Base SnapshotA SnapshotB SnapshotC Two questions: If I ...
0
votes
1answer
136 views

Backups, JFS2 Snapshots and powerloss

I have recently been tasked with improving the backup strategy of a legacy server supporting 150 users via a terminal based interface. The issue is currently that the server has a single backup taken ...
1
vote
3answers
4k views

VMware Workstation Error: Cannot find a valid peer process

I am running VMware Workstation 6.1.5 (build-126130) on CentOS 5.3 (Final). One of the guest machines is reporting an error when I try to power on the most recent snapshot. Snapshots further back in ...
0
votes
5answers
4k views

What might cause a VMWare snapshot to timeout?

I'm using BackupExec and VCB to backup a few VMs. As I understand it, the pre-job script creates a snapshot of my VMs, mounts them as virtual directories on my backup server, and then my backup exec ...
3
votes
2answers
3k views

Is it possible to convert a LVM2 snapshot to a linear LV?

We have DRBD volumes that are presented to guests, and we often snapshot them with the intention of reverting back to the snapshots. I understand in LVM, snapshoting then working with the snapshot is ...
10
votes
3answers
12k views

Snapshot/rollback for libvirt+KVM?

I've recently begun using KVM for my development/test environment on a Linux host system with 8G memory. Prior, I was using VMware Fusion for my virtual environment, but my Macbook only has 2G memory. ...
0
votes
4answers
812 views

Can I count on VM Snapshot on production machines for system recovery?

I have a Windows 2003 server running on VMware Virtual Machine. One of our developers wanted to install a service on it. So I decided to give VM snapshot a try on the machine in case if the developer ...
1
vote
2answers
2k views

Changing settings in VMWare snapshots

We're a dev shop so we make heavy use of VMs and snapshots for testing. This works great most of the time, but occasionally I discover some setting in a VM that needs to be changed across all my ...
10
votes
3answers
14k views

How to make/compare filesystem/registry snapshots in Windows?

What's a simple way to get a list of all files installed/modified and keys added/removed by a Windows (XP, Vista or 7) program installer? I'd like to take a before and after snapshot, and see what ...
2
votes
1answer
1k views

Backing up SQL NetApp Snapshots using TSM

In our environment we have a 3 node SQL 2005 Cluster which is on NetApp storage. We are currently using SMSQL (NetApp SnapManager for SQL) to take Snapshot backups of the data. This works great, but ...