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

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Replication or?

Recently, we have been hammered by Google Bots and all kinds of other bots( 60% of the website traffic that we experience on an average are from Bots. We are trying to segment out the Google Bot ...
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2answers
425 views

How to automate Hyper-V Snapshots?

I have a Windows 2008 server with two virtual machines in Hyper-V, how can I automate the process of taking a daily snapshot and automatically deleting those older than 7 days?
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1answer
796 views

Automatic snapshots won't run on BackupExec CPS 2010

I am running Symantec BackupExec CPS 2010 on Server 2008 R2. I have everything set up ok, the backups are running and I can perform restores. I also have configured the snapshots, but they do not ...
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1answer
1k views

What can go wrong with dmsetup suspend / resume?

I have a backup procedure for ec2 instances with lvm spanned volumes that does the following: 1) ssh to the box as root using an ssh forced command to dmsetup suspend the spanned volume. 2) take an ...
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5answers
1k views

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 ...
0
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1answer
132 views

What VM control panels support snapshots?

Which web based control panels provide snapshots? Please include free software and paid software < $1000. If you can, be specific as to if it supports: VMWare Xen Virtuozzzo OpenVZ Other ...
5
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2answers
4k views

After restoring a HyperV snapshot, I get “the trust relationship between this workstation and the primary domain failed”

I have a Windows Server 2008 R2 HyperV machine. I had to restore it to an old snapshot, and now I'm getting the following error when logging in through remote desktop using a domain ID: "the trust ...
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2answers
12k 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 ...
2
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1answer
611 views

Virtualbox snapshot manager

I'm using Oracle Virtualbox from commandline to manage my VMs. I'm talking a daily snapshot of them in a cronjob. But after all I just want to keep the 7 newest snapshots. Is there a way I can do ...
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2answers
1k views

Automatic ZFS Snapshots on Solaris 10

I'm trying to enable automatic ZFS snapshotting on a Solaris 10 server. From extensive googling, I've managed to understand that there are/were some automated services to do this, like: http://mij....
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3answers
3k 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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2answers
3k views

How to export a specific virtualbox snapshot as a raw disk image

I created a Linux appliance for my friends. It's a small Ubuntu installation with Trac, lighthttp and ufw configured. I made it using VirtualBox. Now I want to export the latest snapshot version ...
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0answers
193 views

VMWare ESX4 snapshot failing with “file is larger than the maximum size supported”

I created my virtual machine hard drives with thin provisioning at the maximum of the block size (256gb for 1mb blocks) and then tried to snapshot them, failing with the error "file is larger than the ...
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1answer
295 views

Synchronization of volume snapshots when doing whole system backups

Is there a way to guarantee consistency across volumes when doing backups from LVM snapshots? Consider this scenario: Some system upgrade is in progress. It will write some files to the /usr ...
3
votes
4answers
5k views

Hidden Periodic Screenshots on a corporate workstation?

Can anyone recommend something that allows us to take hidden periodic screenshots of a workstation? We have a user who we believe is abusing his computer privileges. We have our suspicions that he ...
1
vote
1answer
190 views

EC2 AMI, does it mean state or just the program files and OS?

I was wondering if creating an EC2 AMI backup, which means taking a snapshot would just save the OS, along with its settings or say, if a program were running and during that I take an EC2 AMI ...
0
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1answer
207 views

Huge Server: Backing Up Many TB of Data with Instant Failover?

We have a very challenging system to back up: 1. We have 20 TB of data right now. 2. Each month we get another 3 TB of data, and about 5 TB of data changes each month. 3. We are currently a Windows-...
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2answers
3k views

Are ZFS snapshots + S3 a viable backup system for several VMs and general fileserver storage?

I've been tasked with setting up a backup system for my small office (around 12 people). Most of our production stuff is on the AWS cloud, so what I need to back up are some small office/development ...
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1answer
2k views

VMware ESXi 4.1 snapshot of server 2008R2 machine generates 2 indentical snapshots

I have 2 VMs that are failing to get veeam backups, and it appears that the culprit is vmware snapshots. We are running Vsphere ESXi 4.1 build 320092, we have multiple server 2008R2 machines that take ...
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2answers
2k views

Browse files inside a Hyper-V snapshot

If it possible to browse the inside of a snapshot file for a specific file? It is not possible for us to merge this particular snapshot file so we are looking for an alternative to recover a specific ...
0
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1answer
367 views

Does xfs_freeze suffice to snaphot MySQL db?

I am writing a script to snapshot EBS volumes on AWS. One of the volumes contains the data for a mysql database. I am aware that I need to somehow stop data being written to the database while the ...
5
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4answers
2k views

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 ...
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3answers
250 views

NAS solution for server image backups

We need at least 1TB of redundant storage for server image snapshots to be backed-up using shadow protect. What do you recommend for $1K or so budget? What else should I be considering for this ...
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2answers
2k views

Help finding ZFS .zfs/snapshots directory in OpenSolaris

My home directory in OpenSolaris 0906 is part of the zpool rpool. I can view the pool in zpool list. I can view the file system in zfs list. I can create snapshots. I can use zfs list and see a list ...
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2answers
1k views

What's a good backup system to use on ubuntu?

I'm running an internal network LAMP server on ubuntu 10.10. I have another ubuntu running on an older ppc g5 with a 640gb drive in it. I'd like to run some software on that G5 that does some snapshot ...
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1answer
405 views

Taking Hyper-V Snapshots to a Network Location

Is it possible to take snapshots in Hyper-V (on Windows Server 2008 R2) directly to a network location? I want to set the Snapshot Location under Settings on the VM to \server\c$\StoreVMsHere. We ...
12
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3answers
14k 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
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1answer
829 views

Strange log messages from LVM and server hang

On one of our OpenSUSE (11.3) virtualization servers we have had some stability problems recently. The server is pretty heavily loaded, with up to 100 virtual domains, all running on LVM snapshots. We ...
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3answers
324 views

LVM snapshot keeps changing file timestamps

I searched the web but did not find any info about this. I'm mounting an LVM snapshot and I notice the timestamps of the files there keep changing. I though LVM snapshot was a one time freeze in time ...
0
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1answer
460 views

LVM snapshot of linux 2.2 KVM guest

I have a KVM host running a linux 2.2 guest. The virtual disk for the guest is an LVM logical volume. This is seen by the guest as a real disk, so it's partitioned, has a boot sector, etc. Now my ...
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2answers
631 views

Question about Consolidate Helper - 0

Recently I had an issue where a virtual machine had ran out of space and was suspended, a restart was able to to fix the issue but when I SSH'd in I noticed there were two large files (both delta.vmdk ...
0
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1answer
184 views

LVM 2 snapshots and free blocks

LVM 2 snapshots works as COW. However the block may change even if it is not used anymore. As SSD disks may need marking of free/used blocks to better manage blocks, the API was introduced into Linux ...
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2answers
149 views

VirtualBox problem: cannot take snapshot

I have just setup a Lucid Lynx desktop machine. I have installed VirtualBox 3.2.6 on this machine to run several server. I have created a new Lucid Lynx server in one VM, the VM creation is fine but ...
0
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1answer
127 views

Problems with USB-Devices using VDR

I'm using VDR on vSphere4. It works sucessfully. I've already backuped several VMs with VDR and I like it very much. But now we got a problem. We have 2 VMs, using an USB-Device Server with a stick ...
2
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1answer
443 views

VirtualBox, physical disks, and snapshots

I have an Ubuntu guest installed on a raw HDD (entire disk, not a partition). It runs just fine under WinXP. In addition, I was able to boot directly into it (using the BIOS boot-device selector). At ...
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votes
3answers
720 views

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.
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2answers
3k views

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 ...
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2answers
535 views

CentOS and Snapshots

I'm planning on purchasing a virtual-dedicated server today and would like to pass a quick question by the community here before I do. I'm likely going to be getting CentOS, as that seems to be a ...
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2answers
2k views

Restoring snapshot for Microsoft Exchange server

The background: I need to do some testing with Microsoft exchange server. Specifically, I'll be installing some software on the Microsoft exchange server machine and uninstalling that same software ...
2
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2answers
543 views

In place SQL 2008 upgrade vs. Side by side?

I have a SQL 2005 Std edition server with 5 databases in production, 4 db's are used by web-based apps the 5th is a desktop application. My question is should I perform an in-place upgrade or a side-...
0
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1answer
1k views

Make a snapshot of a live mySQL database with myISAM & innoDB tables without locking

We have a live database in production where we are running out of space on the server. So I would like to transfer to a new server without any downtime (or as little downtime as possible). In general, ...
3
votes
3answers
891 views

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 ...
0
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2answers
216 views

Deploy virtual PC based on snapshot using Hyper-V

I have a server with Hyper-V configured, it is easy to create a new virtual machine using the management tools, but it can take some time. I often see those hosts that say "We can have your server ...
2
votes
2answers
550 views

SAN based Snapshots and Disaster Recovery

I wanted to know if anyone has has any expirience of using SAN based snapshots and replication between SANs for disaster recovery. My main worries are around databases and applications like Exchange ...
0
votes
2answers
489 views

VMware Server 2 Snapshots Crashing Ubuntu Guests

I have about 20+ Ubuntu Guests running on Vmware Server 2.0.2 and every night a backup script takes a snapshot of all running VMs, backs them up, then removes the snapshots. Every morning I check the ...
3
votes
6answers
11k views

How do I best archive VMWare VMs for reuse?

I'm using VMWare ESX 3.5. I've just created a couple of different-flavour VMs (a Windows 2008 one and a Windows 2003 one), installed windows updates, and am generally happy with their pristine nature....
0
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1answer
215 views

is CBT used for snapshots?

1) Just wondering, is Change Block Tracking utilised for snapshots (ESX 4.x)? or is the mechanism the same as ESX 3.x 2) I know its used for SVM after reading a punching clouds article (http://www....
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3answers
4k views

VMware ESXi running on dual NFS NAS Configuration using rsync and snapshot scheduling [closed]

I'm considering a setup for a client. GOALS 10 users 2 servers maximum redundance (with minimal costs) maximum scalability (with minimal costs) HARDWARE Here's the hardware I'm considering: 2 x Dell ...
2
votes
2answers
2k views

Schedule Recreate Snapshot and Reinitialize Subscriptions - SQL 2005

Monthly I have to generate a new snapshot for replication and reinitialize subscriptions in SQL 2005. I would really like to automate and schedule this, but I'm not having much luck discovering how. ...
2
votes
1answer
884 views

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 ...