The snapshot tag has no wiki summary.
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0answers
18 views
How to Purge old EBS backups?
Anyone knows of a good way to automatically purge old EBS snapshots?
We have a cron script backing up the whole instance from inside, via EC2 API snapshots, but the snapshots tend to accumulate.
I ...
2
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0answers
33 views
What would cause huge amounts of snapshot lag with NetApp Snapvault?
Our NetApp filer shows huge amounts of lag for snapvault operations. What could be possible causes of such large snapshot lag?
Snapvault is ON.
Source Destination ...
2
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2answers
51 views
Is it possible to create an EBS AMI for windows EC2 instance?
We have a Windows server (EBS backed) running in EC2. We make regular snapshots for data backups. I'd like to create a new EC2 instance from one of these snapshots.
Yes, I realise this is the same as ...
3
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2answers
44 views
ext3 Snapshot Support
Does the ext3 filesystem support snapshotting? If so, is can this be done with straight partitions with no LVM?
An example of "straight partitions" would be the following:
/dev/sda1 /boot ext3
...
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0answers
97 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 ...
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1answer
25 views
Reverted snapshot details are not recorded in events
One of my team mate reverted a snapshot without intimating any body.
We tried to find it through Events. But there was no record.
Where we can find the details about reverted snapshot?
-1
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1answer
46 views
Which of snapshots I can safely remove?
If you make periodic snapshots of a volume, the snapshots are
incremental so that only the blocks on the device that have changed
since your last snapshot are incrementally saved in the new ...
1
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3answers
47 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 ...
1
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2answers
125 views
Can NetApp's WAFL export snapshots to files?
An exact copy of a ZFS file system can be made with snapshots using zfs send/receive.
Can something similar be done with NetApp's WAFL, where you make a snapshot and export it to a file?
2
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2answers
77 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 ...
1
vote
1answer
69 views
Snapshot is busy because of unknown
When trying to delete a snapshot on our NetApp using this command:
snap delete home_backup Aug-27
results in this message:
Snapshot Aug-27 is busy because of unknown
Other snapshots are deleted ...
1
vote
1answer
60 views
Amazon EC2: Restoring Windows EBS snapshots into AMIs or Instances?
As my Windows EC2 instance lives, starting and stopping many times a week, it evolves. These changes get saved to it's EBS volume, so state is persistent across reboots.
Now, periodically I backup ...
3
votes
2answers
100 views
open source backup system with user-driven recovery
At my old company we used NetApp, which supported a ".snapshot" feature. Whenever I did something stupid to my files, I could cd .snapshot and find hourly and nightly directories which contain ...
1
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1answer
28 views
Can You Specify Where LVM Snapshots Are (Initially) Stored?
Disclaimer: this is my first time using lvm.
Upon RTFM, it appears that LVM snapshots are automatically stored in the same directory as the original logical volume. In my case, that would mean the ...
1
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2answers
57 views
Configuring high-availability with snapshots
I wanted to know if it is possible to configure HA in VMware vSphere to start virtual servers using snapshots.
For example, if one of my physical server fails, the virtual machine would start on ...
1
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3answers
58 views
LVM snapshot missing /dev and /proc tree
I created a lvm snapshot like so:
lvcreate -L 5G -s -n root-snapshot /dev/VolGroup00/LogVol00
Then I mounted the snapshot like so:
mount /dev/VolGroup00/root-snapshot /mnt/root-snapshot/
Now, ...
0
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1answer
64 views
Netapp SMVI and SMSQL Backup strategies
Netapp VMWare Sql Server VM's using SMVI to backup OS and SMSQL to backup DB's Windows and generic data drive on one volume, SQL MDF's on another, SQL TempDB on another and SQL Logs and SMSQL SI on a ...
1
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1answer
133 views
How to take periodic snapshots of VMs and efficiently transport them off-site
I'm running KVM on Debian Squeeze and have VMs ranging from Debian to Windows Server 2003 to XP and W7
My plan is to move these VMs to qcow2 and use libvirt's snapshot-create to take periodic ...
1
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1answer
36 views
How to get the latest version of a disk from a snapshoted vmware virtual disk when I have only the disk files?
I have a virtual disk with one snapshot. I want to acces the latest data after the snapshot.
One way would be to merge the delta into the disk.
But the rest of the vm does not exist any more. How ...
3
votes
2answers
236 views
Can ESXi (4.1) mount a VMFS datastore alongside a read-only snapshot of it?
I have a ESXi (4.1) server talking with a Windows Server 2008 R2 storage server, which presents some volumes as iSCSI targets using Microsoft's iSCSI software target; ESXi uses them as its datastores. ...
4
votes
3answers
123 views
Is there a reason(s) I should not create a datastore to house a single VM?
I was at a Dell EqualLogic training event and the speaker threw out the idea that it may not be a bad idea to create a single datastore to house a single VM rather than making a large datastore and ...
1
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1answer
248 views
kvm snapshot (libvirt)
Iam managing kvm by libvirt and using qcow2 file format. I can create snapshots of running wm with snapshot-create command, but if I transfer my qcow2 image to another host and define transfered host ...
3
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3answers
227 views
Which filesystems offer snapshot functionality for users to recover data?
I'm working on a project that will teach linux to youth. Knowing they will have a tendency to delete or corrupt items in their home directories we are looking for a good snapshot option. We will not ...
1
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1answer
51 views
How to force commit a snapshot on vmware ESX virtual machine?
I have a virtual machine in ESX with snapshot; unfortunately when trying to commit the snapshots, vmware somehow lost track of the whole structure; the virtual machine got one week back, while on the ...
17
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4answers
610 views
LVM snapshots vs. file system snapshots
As far as I know, LVM makes it possible to take snapshots of a volume. There are also a number of file systems (ZFS, Btrfs, reiserfs, ...) which supports snapshots.
However, I've never understood the ...
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0answers
86 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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0answers
30 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 ...
2
votes
1answer
288 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 ...
1
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1answer
17 views
Merge Publication Data Partition Snapshot generation
I have a merge publication in SQL 2008 R2 with data partitions and I am wondering when I should generate the snapshots for the data partitions. I get an error sometimes when bringing a new subscribe ...
2
votes
3answers
131 views
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 ...
0
votes
1answer
294 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 ...
2
votes
5answers
414 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 ...
3
votes
4answers
509 views
Handling XenServer snapshotting and cloning with ZFS SAN
I'm planning on setting up a XenServer machine that uses a NexentaOS/ZFS-based SAN for storage of the Virtual Disk Images (VDIs) through iSCSI. I know I could just setup a big Storage Repository (SR) ...
0
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2answers
66 views
windows 7 network snapshot application
im looking for a realible backup solution over local network (windows 7 & ubuntu computers) for windows 7
any suggestions? i need to pass a day about 10gb and once a week around 100gb
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2answers
457 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 ...
2
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1answer
200 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
166 views
Using LVM Snapshot To Backup Database Servers
Could we use LVM snapshots to backup database servers?
Or we can only use it for file system backups?
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2answers
344 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:
...
2
votes
2answers
367 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
124 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 ...
1
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3answers
363 views
where are kvm-snapshots stored?
i run several vms on KVM/ubuntu, which all get starteted wirth the -snapshot parameter (the vms only compute several stuff which can be destroyed after reboot).
out of the docs i read, the changes ...
1
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1answer
98 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 ...
2
votes
4answers
348 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
106 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 ...
1
vote
2answers
552 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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2answers
225 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 ...
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1answer
203 views
What is the effect on LVM snapshot size when a file block is rewritten with it's original contents?
I'm exploring using LVM snapshot's to off site incremental archives from a snapshot "master" file system. In essence: simply copy across only the files on the "master" that have changed since the ...
0
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1answer
190 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 ...
1
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1answer
527 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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140 views
ZFS keeps only 1 snapshot instead of many
We two OpenSolaris 2009.06 NFS file servers. Each user home directory has a separate filesystem. Home directories are also grouped into separate filesystems. The hourly service auto-snapshot was ...
