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

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Azure Snapshot without losing IP

I have several VMs running, but sometimes i have to clone them to make a sandbox server on where i can run trials and procedures, the problem is that everytime i make an image the VM stops and reboots ...
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2answers
130 views

Problems with pid files when restoring OpenVZ snapshot

I am trying different ways to take snapshots of running openvz containers. Following this guide : http://openvz.org/Checkpointing_and_live_migration, I always encounter an issue with pid files ...
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2answers
1k views

xenserver snapshot chain too long

I've been running a XenServer 6.2 server for a month or so and recently one of my VMs will not perform snapshots. I receive the error "The snapshot chain is too long" although I have removed all of ...
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2answers
36 views

Windows Server 2003 activity monitoring and reporting

I have BackupExec 2012 attempting to backup a Windows Server 2003 VMWare instance. I often get unable to quiesce error: "The virtual machine may be too busy to quiesce to take the snapshot." I've ...
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2answers
680 views

Move snapshots between machines

I have two VMs one(VM2) was created from a template of the other(VM1). I added VM1 to SCVMM library without cloning it first, now I can't access it, deploy it, or create VMs using it. To create VM2 I ...
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402 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
292 views

LVM+MongoDB. Dropping in speed of backup creation

Till recent time we have been making mongo backups archiving LVM snapshot on hidden SECONDARY server with RAID10 on SAS disks. Currently operation on making snapshot from volume with 500 Gb of data ...
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1answer
121 views

ZFS snapshots and atomic updates

So I'm tinkering around with ZFS on linux and zrep. I've got 2 VMs on my laptop and I'm running zrep and synchronizing the contents of one filesystem to another. One unexpected situation is this: ...
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1answer
212 views

What will be deleted when I delete snapshot?

Using ESXi 5.0, I had a disk which was converted from VHD to VMDK using Winimage which left me with a sparse VMDK. I tried to snapshot the VM after importing it which caused a problem. I believe I ...
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1answer
251 views

Replication with Veeam causes timeouts on large VM's

I have been trying to replicate two of my larger VM's one being Exchange 2003 and once the snapshot begins to commit the server begins to time out. I have updates my ESX hosts from 4.0.0 to 4.1 and ...
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1answer
132 views

AWS RDS CLI: AccessDenied on CreateDBSnapshot

I want to use the AWS RDS command line tool to create a snapshot of my database my-database using create-db-snapshot. I have created a special backup role in IAM with a policy that allows me to ...
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1answer
96 views

Can't delete a btrfs snapshot

I have a system that creates periodic btrfs snapshots and deletes old ones. Today, I've started receiving warnings that the system can't delete some old snapshots. This is the output I get: ...
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28 views

Removing snapshot after removing guest hard disc

I have a server with ESXi 5.5 installed. I recently wanted to add a new hard disk to one of the guests. After adding the virtual disk to it, I took a snapshot just to be sure that nothing would go ...
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1answer
203 views

How to create a snapshot volume to a remote server using kvm?

I want to backup a few virtual machines to a backup server. Here're the backup steps. suspend a virtual machine create a snapshot of the virtual machine using lvcreate -s resume a virtual machine dd ...
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1answer
60 views

handle multiple calls of rsync, dd and snapshot

The server runs the following operations often. It takes a snapshot of a logical volume, then backup up the content to the remote backup server. It is possible that multiple backups and transfer ...
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1answer
337 views

Hyper-V How to define “auto revert” to a snapshot after each reboot

I'm using the built-in Hyper-V that comes with Windows Server 2012 R2 and I'm looking for the option that lets me to set "auto revert" (or "auto apply") to a specific snapshot after the machine is ...
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1answer
129 views

LVM2: How to copy snapshots?

I read What does an LVM2 Snapshot contain? and LVM Snapshot confusion. What I'm trying to figure out is if there is a way to create a copy of an LVM snapshot for use with different Xen VMs. I know ...
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1answer
110 views

Cloning instance - Original kernel not available when creating AMI

I have a EC2 Ubuntu server on Amazon cloud and I'm trying to clone an instance "X" by creating a snapshot of the instance and creating an AMI from that snapshot. The problem is: When creating the AMI, ...
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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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1answer
128 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 ...
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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 ...
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1answer
124 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 ...
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1answer
34 views

creating snapshot for mongodb

I am trying to create snapshot for mongodb on centos 6.6. root@ ~]# lvscan File descriptor 12 (pipe:[23409]) leaked on lvscan invocation. Parent PID 3579: /bin/bash File descriptor 13 ...
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1answer
109 views

Create centOS6 snapshots

How can I create snapshots of system (similar to what VM have) of a centOS 6 to a network location? That is I need to know what software/package should I use and maybe some ways to work with it.
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52 views

Remove a file from a btrfs snapshot and still use btrfs send/receive?

I'm planing to use btrfs send/receive to synchronize two filesystems and keep a few older snapshots (like a time machine) on the backup. Now what happens if a user ask me to remove a file or ...
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Change the logical volume

I am quite new this snapshot process. Let, I have three logical volumes as A, B, C. I worked on logical volume C. But accidentally when I restart the system, it goes to the snapshot A. How can I ...
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135 views

Windows WMI get a snapshot EnabledState

I am trying to get the EnabledState of a virtual machine snapshot using WMI. That is I try to get the EnabledState that was current for the virtual machine when the snapshot was taken. So far I know ...
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376 views

Downloaded -flat.vmdk from snapshoted machine is different everytime

I have a virtual machine running on VMware ESXi 4.1.0, machine has one Thick provisioned disk stored in VM forder (residing on local datastore). I am planning to move the virtual machine to another ...
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157 views

Repairing OpsCenter rollups60 Results in Snapshot Errors

I am running a 6 node cluster using Apache Cassandra 2.1.2 with DataStax OpsCenter 5.0.2 from the AWS EC2 AMI "DataStax Auto-Clustering AMI 2.5.1-hvm" (DataStax Community AMI). When I try to run a ...
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122 views

Mysql table doesnt exist error after trying run from lvm snapshot

I'm trying to set up mysql replication by making lvm snapshot of master datadir and copying it to slave. The procedure is quite simple, on master server I execute "FLUSH TABLES WITH READ LOCK" and on ...
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0answers
66 views

lvm archive and backup files not purging

I do hourly backups doing snapshots, and every time I do it creates files in /etc/lvm/archive. But lvm doesn't appear to pay any attention to the "retain_days" parameter under "backup" in ...
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76 views

LVM2 Thin pool transaction_id mismatch

I believe we trashed some LVM thinpool metadata while moving 2 volume groups to a different machine. We now trying to reactivate the volume groups on the original machine. The physical volumes, volume ...
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69 views

Snapshot of BTRFS Device on top of luks Volume

I have the following problem: I can't figure out, how to create a snapshot of a btrfs volume residing on a crypted disk. This is the setup: /dev/sdb is a 1TB USB 3 disk. it has a partition ...
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260 views

How to incrementally backup XenServer VMs

I am looking for a way to backup XenServer (or XAPI) VMs incrementally. backup just changed data every time. without performance penalty, slowing down the server after the backup is done (snapshots ...
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0answers
127 views

Windows 2012R2 as RDSH and rollback to clean state

I am in the process of installing a new Windows 2012R2 server in Remote Desktop Session Host mode that will work as a "terminal server" inside a classroom. The idea then is that after the server is ...
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220 views

reclaim space from xen server

i found xencenter stotage => general tah display 1096.6 GB used of 1107.7 GB total (708.5 GB allocated) seen some space have been eaten and not release. the SMLog show that [13816] 2014-03-28 ...
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466 views

Samba 3.5 Shadow Copy for Windows 7

Over the past several days I have been trying to get the shadow to work with samba but haven’t been successful. Can someone check below config and let me know if I am missing something? We are using ...
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126 views

TFS 2010 and SCVMM to manage snapshots

I have a VM with TFS 2010 and SCVMM 2008 installed on (I know you're told not to do that). I have SCVMM linked to the host and that's working good, and have configured the scvmm on the lab management ...
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2k views

Troubleshooting 'Could Not Start' scheduled task error:

I'm trying to run snapshot on my server to back up the drive onto a local NAS server. I'm currently using this on a Win2k, Win2k3, and Win2k8 servers. Both the Win2k and Win2k8 servers are correctly ...
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191 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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58 views

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 ...
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55 views

Backup / restoring a snapshot on Linode

I am trying to automate a process of creating an image/snapshot/backup (whatever it is called) of my disk at a certain point, and then restoring it back to that point later. So I am experimenting ...
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271 views

“Failed to Snapshot” error when converting a physical server to a VHD in XenConvert version 2.5

Problem While using XenConvert 2.5.0.2918 to convert a physical Windows 2008 R2 server to a Virtual Hard Disk (VHD), I receive the error "Failed to Snapshot" in the logs and the conversion does not ...
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86 views

bad inodes in KVM guests

I ran a script to snapshot all logical volumes from KVM guests and backup. But /var/log/messages reported these errors: Jun 02 09:57:08 server lvm[24245]: Monitoring snapshot ...
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0answers
93 views

Hyper-v takes a long time to create snapshots

I'm not sure when, but I've noticed as of recently, whenever I go to make a snapshot of certain machines, it hangs at 2% for a good while and then eventually finishes (fairly quickly, actually). I ...
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126 views

ESX: allowing users to snapshot VMs without vSphere Client Access

I am using ESX (latest free version 5.X) to host multiple VMs (mainly Windows with some Linux). Users will have control of these VMs and should be able to snapshot them, however I don't want to deal ...
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How to Create and Restore a Snapshot of CentOS from one to another Server

I own a server at SoYouStart (OVH), I have installed CentOS 7. PHP, Apache, PostgreSQL, Varnish, etc ... I want to clone the same server with the same configurations and software to my new server on ...