Hyper V guest slow disk access


  • I have a Hyper V cluster(2012) with a 2012 guest running 2012 acting as my file server.

    My 2 hosts are connected to a gig switch stack which in turn is connected to my Dell MD3200i.

    My file server has a "data" disk that is a VHD(fixed) on the iSCSI storage. As is it OS(dynamic)

    I'm coping 200GB right now and only seeing data thoughtput of 8MB/sec.

    When I check perfrmance on the file server the disk queue is huge. But when I check the queue for C: on the host, which is where the cluster storage appears to sit, its got a low if not no queue.

    Also did a copy using the host and saw 58MB/sec so I'm happy the network should be able to pass the data.

    Switch CPU is at 5%

    Can anyone tell me what I'm doing wrong?

    Monday, August 5, 2013 9:32 AM

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