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troubleshooting Question

How to completely stop all IO on a MD3000 in a VMware environment

Avatar of cspanther
cspanther asked on
Server HardwareVMware
6 Comments1 Solution957 ViewsLast Modified:
I have an MD3000 which uses a NX1950 as a front end to the ISCSI SAN.  The ISCSI SAN is what I use for the datastore in my vSphere 4 environment.  I have 3 VM Host servers that have an ISCSI connection to the MD3000.

I have to do a firmware update to the MD3000 which requires all IO to cease prior to me running the update.  How do I gracefully stop all IO to free up the MD3000 to do this update?  Can I just disable the NICs that run the ISCSI Initiator, or will that cause problems in VMWARE?  I have about 20 guest computers that use the MD3000 storage to host their VMDK files and I would rather not shut down all of the computers one by one.
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