A snapshot is a copy of data taken at a specific point in time.
0
votes
1answer
2k views
SQL Server 2008 R2 - Cannot create database snapshot
Server: Windows Server 2008 R2 X64 Enterprise
SQL: SQL Server 2008 R2 Enterprise X64
I have a default SQL Server instance, the SQL Server service account is running as a domain user.
I am trying ...
-2
votes
0answers
11 views
How to assign the correct drive letter during windows boots with snapshot [migrated]
I´am using Drive Snapshot http://www.drivesnapshot.de/en/restboot.htm to restore a windows image during windows reboot.
I got the C:\ Partition and a CD-ROM drive.
I copied the image on a external ...
-1
votes
1answer
22 views
Hyper-V Missing Virtual Server From Hyper-V Manager List
We are running Hyper-V on a Window 2008 server that doesn't have a desktop (only console login is provided).
We access Hyper-V using Hyper-V Manager which connects to this host-server and it provides ...
0
votes
1answer
32 views
Is it possible to quiesce a snapshot of a running server on an Esxi and back it up to a remote network several times a day?
There's an outside consulting company claiming that they are taking a snapshot of our local servers which reside on a VMWare Esxi, 4 times a daily while our servers are running. This snapshot is then ...
0
votes
1answer
60 views
Snapshot a KVM guest with non-file storage
I am preparing at least one Windows 7 guest on a KVM Linux (ubuntu) host. I have made an LVM-based storage pool which I would like to use. My main concern is snapshots. The disk-image will be ...
0
votes
1answer
3k views
NetBackup with VSS and Instant Recovery - Failing to delete old snapshots
We are attempting to implement Microsoft VSS for snap-shotting in our NetBackup 6.5.3.1 environment. The clients are both 32 & 64 bit Windows 2003 Server.
Snapshot parameters are:
Instant ...
4
votes
9answers
268 views
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 ...
2
votes
1answer
2k views
VSS fails on creating snapshot - various VSS writers failed state, timed out
I have several errors in my log. My environment is:
Server 2008 R2 (virtual machines on Server Core stack).
AppAssure Replay 4 as the backup solution.
In the evening backup goes okay usually, ...
0
votes
2answers
70 views
Quickest way to merge snapshots in VirtualBox
I have vdi with quite a number of snapshots taken from it - say, 50 or 70 snapshots.
I want to have one plain vdi with a current state. These snapshots take way too much disk space and are not needed ...
4
votes
5answers
2k views
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 ...
2
votes
1answer
37 views
Multi-Generation Snapshots using Device Mapper (Linux)
LVM is an amazingly useful tool, however, it seems to still lack support for snapshotting a drive that is already a snapshot. I made a script to handle this automatically but ran into some troubles.
...
2
votes
3answers
35 views
vmware 5.1 Upgrading and Snapshots
I'm planning on upgrading my environment to vmware 5.1 soon and was wondering if anyone here might know anything regarding snapshots taken prior to the upgrade:
Will I need to take a snap shot after ...
1
vote
2answers
147 views
How to determine optimal size for LVM snapshot?
I'd like to create a backup script that uses LVM snapshots during backup. This script will run on several Linux machines.
I'd like to avoid creating snapshot that is too small and gets full during ...
0
votes
1answer
43 views
lvconvert --merge how to undo?
I have created a script for users who work on KVM virtual machines to be able to perform lvm snapshots on the logical volumes where their VMs are installed. Snapshot restores are performed via ...
0
votes
1answer
30 views
LVM Snapshot confusion
I think I understand some of the lvm snapshot concept, but am confused about one last thing. After you take the snapshot, if you don't mount it, will it be active? What I really want to know is will ...
1
vote
4answers
51 views
What does an LVM2 Snapshot contain? [duplicate]
Everything I read makes me think an lvm snapshot is a direct copy of the logical volume that was snapshot(ed), but how can that be when it takes 10 seconds to snapshot a 90 gig logical volume? If I ...
0
votes
0answers
67 views
KVM: LVM snapshots on qcow2 images
I have an LVM2 logical volume that is formatted with ext4 and mounted to a directory on /opt. On that volume is a qcow2 KVM image for a Windows 7 guest. Can I snapshot the LVM logical volume for a ...
1
vote
3answers
78 views
Is it possible to copy a snapshot and associate it to another VM (which has same configuration)?
I am having two virtual machines with same OS and software list. (In fact they were cloned).
Now I have installed an application in a VM and taken a snapshot.
Is it possible to copy this snapshot ...
5
votes
2answers
125 views
What are the tradeoffs between using hypervisor- vs. storage-array-based snapshots as backup sources?
Suppose you have some virtual machines (running in eg. ESXi) that are stored on an iSCSI storage array (eg. EqualLogic PS4110). Now suppose you want to set up a backup and restore regime that looks ...
1
vote
1answer
53 views
How do I sync disks in a Windows guest before doing a snapshot?
In general, before doing a disk snapshot of a virtual machine instance, the disk has to be synced to ensure that all buffers have been written to disk.
If the guest operating system is Linux, you can ...
2
votes
0answers
24 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 ...
2
votes
1answer
139 views
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 ...
1
vote
0answers
31 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 ...
1
vote
1answer
98 views
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 ...
1
vote
2answers
483 views
How to hot backup/snapshot an ext4 partition (in the absence of LVM)?
I'm currently tasked with bringing up a existing server to (at least more) professional standards - with as little disruption as possible to end-users. To have a proper rollback, I need to backup the ...
2
votes
1answer
651 views
Possible to make a script to simulate a VM Snapshot with pass-through disk?
I have Windows Server 2008 R2 with Hyper-V and one VM with a Pass-Through disk. Naturally I can't take a snapshot (it's a limitation of Hyper-V) but can I use a scrip to the unmount disk, take a ...
6
votes
2answers
3k views
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 ...
0
votes
1answer
45 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, ...
0
votes
2answers
740 views
Snapshot copy a VM to USB attached to ESXi 5.1 host
I was trying to script a snapshot backup of running VMs to a USB drive attached to the host. We are using the free hypervisor version of ESXi and do not want to purchase 3rd party products to do this.
...
4
votes
1answer
89 views
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, ...
1
vote
2answers
723 views
Do VirtualBox snapshots take up space?
When I remove a snapshot, it just says 'Merging differencing image'. I don't know how much room each snapshot is taking. It's certainly not copying everything.
0
votes
1answer
127 views
Hyper-V snapshots exist after Shut Down
I'm running a virtual machine (hyper-v) on an Windows Server 2008 R2 64-bit machine.
I want to increase the hard drive size but the edit button is not enabled. The notice says "...snapshots exists ...
1
vote
1answer
138 views
Hyper-V - Not your standard V2V
The main question is:
Can I perform a Virtual to Virtual Conversion from one Hyper-V Server to another Hyper-V Server?
Why I need to convert instead of a myriad of other options:
We've got a RHEL 5 ...
2
votes
2answers
295 views
Disable automatic snapshots on vmware server
Is there a way turn off the automatic snapshot feature in vmware server? (Or is that a bad idea for some reason?) We have the files on the machine backed up separately, so I don't see the need for ...
2
votes
2answers
2k views
Recovering a Hyper-V vhd from a snapshot
I'm going to leave out tons of related info that I hope isn't relevant to keep this lean - feel free to ask for detail.
My host is a Windows Server 2008 Standard SP2 (not R2). Last February we had ...
10
votes
2answers
286 views
Why are all of my ZFS snapshot directories empty?
I'm running an Oracle 11 box as a ZFS storage appliance, and I'm taking regular snapshots of the ZFS filesystems, via cron.
In the past, I know that if I wanted to grab a particular file from a ...
2
votes
1answer
219 views
vSphere Replication Guest OS Quiescing
I am using vSphere Replication 5.1 to send virtual machines to a separate datastore every 24 hours. One option in configuring each VMs replication is the Guest OS Quiescing option. Options are None ...
3
votes
2answers
236 views
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 ...
0
votes
0answers
30 views
How to create a new instance from a snapshot of Amazon EC2? [closed]
How to restore an instance or create a new instance from a snapshot in Amazon EC2 Micro instance?
I tried many guides but nothing worked. I already tried it 25 times but failed all the time,
25 ...
1
vote
0answers
126 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 ...
1
vote
1answer
87 views
windows server creation from amazon ec2 snapshot
I created a windows 2003 instance on Amazon EC2, I created the snapshot for backup. Now I am creating the volume from that snapshot and try to attach to a new windows 2003 server.
I am able to up ...
1
vote
1answer
88 views
XenServer and Quiesced snapshots
At work we use XenServer to administrate all the VM's. Now I wrote a script which enables Linux machines quiesced support. The script works absolutely fine. It activates if someone triggers a quiesced ...
2
votes
1answer
175 views
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:
...
0
votes
0answers
82 views
Amazon EC2 EBS image reset to default after restart
Here is the flow: i created an instance from a community AMI (including Nginx with wordpress).
Then i modified a lot of the changes and i want to create a new AMI that will have all those changes (in ...
0
votes
0answers
78 views
Creating a snapshot of an attached EBS volume is not working
I'm trying to create a snapshot of an 8GB volume attached to another instance whose device is named sdh5. I originally created this volume myself and mounted it as an ext4 filesystem. Now I'm trying ...
3
votes
4answers
1k views
How to keep or drop LVM snapshot?
I have made an LVM snapshop by
lvcreate --name snap --size 10G -s /dev/vg00/vm
What command should I write if I want to drop the snapshot, and not keep the changes that have happened since the ...
0
votes
0answers
236 views
backup of KVM VM's running on Ubuntu 12.4.1 precise edition from a remote machine
I am creating a library API which will take the backup of all the VM's running on KVM hypervisor. My VM's can be of any type. I am taking this backup from a remote machine and need to put the backup ...
1
vote
3answers
62 views
Revert a VM client from within the VM Client - is it possible?
I am creating a test VM (esxi V5) client for our QA department.
Once it's installed, my options will be:
Use a snapshot
Use non persistent disk on the hard disk.
For either options, I can give ...
4
votes
4answers
2k views
How to delete all but last [n] ZFS snapshots?
I'm currently snapshotting my ZFS-based NAS nightly and weekly, a process that has saved my ass a few times. However, while the creation of the snapshot is automatic (from cron), the deletion of old ...
4
votes
1answer
2k views
Robocopy, do not overwrite existing files, but copy the changed / new ones
Is it possible to mirror the two directories without overwritting the files in destination directory with new/changed/deleted files. Something like snapshots.
Example:
Copy the source directory with ...
