In the first two posts of this series (here and here) we saw the Virtual Storage Console and the SnapManager for Virtual Infrastructure and how they integrate together. In this part I try to show what happens to the snapshots if the volume is replicated to a remote site. For remote replication NetApp has a very efficient tool, called SnapMirror. SnapMirror works pretty well with Flexible Volumes, Thin Provisioning, and of course with deduplication. SnapMirror today has compression support, and these things together helps to reduce bandwidth utilization.
SnapMirror is quite easy, a lot of blog and howto posts are available and of course the official documentation. I don’t take care of the SnapMirror setup in this post, I assume it’s OK. At this point I have a source volume (srmvol) and a destination volume (srmvolsm) which are in sync. Deduplication and compression are enabled.
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In the previous part I started to present how NetApp Virtual Storage Console and SnapManager for Virtual Infrastructure integration works. I’ve created a backup then checked it on the controller and finally made a restore. In that example the restore handled the whole volume, so the other VMs running there were also affected (restored). In this post I’ll show how can be the restore handled more efficiently and how the single file restore works.
For today’s example I created a backup called ‘smvi-singlefile-2′ of the same virtual machine, then removed the kernel of the operating system. With the single file restore I can mount the backup today and copy out whatever I need. Let’s see how to do it:
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I’ve already shown a couple of features of the NetApp Virtual Storage Console (VSC). With this post I start to present the backup and restore related stuff. For backup and recovery the VSC 2.0.1 integrates (and the installer actually installs) the SnapManager for Virtual Infrastructure. With SMVI the NetApp created snapshots can be handled more efficiently.
Simplify management and increase productivity for your backup, restore, and disaster recovery operations in a VMware environment.
I like using NetApp technology instead of the standard snapshots in vSphere, because
- I can have a lot of snapshots without performance issues
- I can mount the snapshot and have single file restore
- I can integrate with SnapMirror, and restore on the remote site
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Most of you will ask “What is it for? Tape’s dead.” It’s not. Even if you just duplicate data or archive for long time you will need a host with tape storage access. Backup servers are typically working when the others are not, so it’s perfect, let’s virtualize! When I say virtualize, I mean VMware vSphere.
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