Author Archives: loopbackconnector

Avamar VM Backup snapshot removal error

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

Fear Not

Fear not the power of CLI!!

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Robocopy issues to EMC VNX and Celerra

Robocopy issues to EMC VNX and Celerra (possibly other NAS devices as well) While using Robocopy “robocopy %source% %dest% /mir /dcopy:T /copyall /secfix /timfix /r:0 /w:0 /np /FFT /log:”C:\LOGS\All.log” /tee”* to copy to a EMC VNX I would get occasional “ERROR 1307 (0x0000051B) and a few other (0x00000xxx) codes Copying NTFS … Continue reading

Posted in Celerra, Data Migration, EMC, RoboCopy, VNX File | Leave a comment

VNX trespassed luns command line

EMC Command line find and remedy trespassed luns (this is being run on a EMC VNX 7500) To list all of the luns that are trespassed on your array run (example output below) NaviSECCli.exe -h emcvnx7500spa.example.com -user sysadmin -password sysadmin … Continue reading

Posted in Clariion, EMC, Storage Arrays, VNX Block | 3 Comments

VNX and Brocade Loop Port

I have been working with two new EMC VNX’s and ran into a odd problem and could not find anything about the issue, so I am going to post what I know and see if anyone has any more in-depth … Continue reading

Posted in Brocade, EMC, FIber Switches, Storage Arrays | 8 Comments

VMWare ALUA path preference

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

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