IT Answers » Virtual Disk Expansion http://itknowledgeexchange.techtarget.com/itanswers Tue, 21 May 2013 22:12:10 +0000 en-US hourly 1 EMC SAN Expansion in VMware http://itknowledgeexchange.techtarget.com/itanswers/emc-san-expansion-in-vmware/ http://itknowledgeexchange.techtarget.com/itanswers/emc-san-expansion-in-vmware/#comments Mon, 13 Sep 2010 16:39:53 +0000 Nealkal Hello
We have an EMC SAN Clariion connected to 5 VM Hosts. I recently put in five more 500 GB hard drives into the SAN. When I went to expand it into our VMware virtual disk the expansion took around 8 hours. The problem I am having now is that the SAN is now running extremely slow. I have VM’s that had C drives on the SAN that can no longer run because the SAN is so slow. I expanded the space almost a week ago. Does anyone know why the SAN would run so slow after I expanded the space? Could the SAN still be doing some configuring that is slowing everything down?

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