Category Archives: VMWare

VMware Storage Path settings for vSphere5

Posted on July 4, 2012 by loopbackconnector

A while back I wrote on VMware and ALUA path preferences.. well the info is good, it is just that with vSphere 5 they decided to change the commands around a bit.  Here are the updated commands: Here is the … Continue reading →

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VMWare lun size / how many VM’s Per lun / Thin Provisioning Primer

Posted on May 1, 2012 by loopbackconnector

Being a storage admin in the age of VMWare two of the most common questions are: How large should my LUNs be that I present to VMWare? How many VMs should I run per lun? These two questions tie into … Continue reading →

Posted in Lun Size, Thin Provisioning, VMs per Lun, VMWare | Leave a comment

Avamar VM Backup snapshot removal error

Posted on September 20, 2011 by loopbackconnector

Today I worked with Avamar support to work out some snapshot issues with our VM’s being backed up with Avamar Image level backup. We would run reports looking at our outstanding snapshot in VMWare (from VMWare VI Tool Kit Power … Continue reading →

Posted in Avamar, Backups, VMWare | 1 Comment

VMWare ALUA path preference

Posted on August 8, 2011 by loopbackconnector

Updating some path types the other day in VMware for a ALUA compliant storage array, came across http://www.yellow-bricks.com/2011/03/21/changing-the-psp-from-fixed-to-rr/ Duncan wrote the post very well so as I was running some of the commands I noticed that one of them appeared to be EMC … Continue reading →

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Identify storage performance issues with esxtop

Posted on August 1, 2011 by loopbackconnector

Taken from http://kb.vmware.com/kb/1008205 Start esxtop by typing ‘esxtop’ at the command line Press ‘d’ to switch to disk view (HBA mode. Press s, then 2 to alter the update time to every 2 seconds and press Enter. Now I have used … Continue reading →

Posted in Perfomance, VMWare | Leave a comment