Posted by: tonywilburn | January 19, 2010

Mount ISO in ESX – It works!

Well it does in vSphere ESX 4.0 at least.  What am I talking about?  Many of you may have tried to mount an ISO image to ESX in the past.  You probably used a command similar to mount -o loop -t iso9660 /<path to iso>/file.iso. You probably got this back:  ioctl: LOOP_SET_FD: Invalid argument.  After doing some online research, like I did, you will find that you can’t mount an ISO that resides on a VMFS volume from an ESX 3.x host.  Just for the kicks, I tried it on an ESX 4.0 host and it worked.  No more having to try to upload to the local ESX file space on every server.  Now I can keep all my ISOs on one VMFS LUN and use them for the hosts or the guests.  Thanks VMware!


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