All posts in category LeftHand

Using LeftHand Snapshot techniques within a VMware Environment

I recently got a question from the backup architect asking me about LeftHand snapshot techniques to make backups of VM’s. The current storage design classifies VM’s based on their Recovery Point Objective (RPO) per LUN as shown in the overview below. Within this storage design it could be a good solution if we automate LeftHand […]

Creating easy to identify LeftHand Volumes on ESX/vSphere

Coming from mostly HP EVA environments I got used to identify a Volume/LUN by there LUN number which was a real unique identifier. I could always “talk” LUN number and be sure that it was understood and unique. So ever since I’ve been working with our LeftHand environment I disliked the way that every Volume/LUN is marked […]

vSphere: Freezing VMs after deleting a volume from the SAN

We are running a newly designed vSphere 4.0 environment connected to a very big LeftHand iSCSI environment. Lately we discovered some major problems with a couple of VM’s totally freezing for about 30 seconds, this problem seemed to only occur on several VM’s from one specific host, so time to do some research on this […]