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iSCSI on 1GBe or 10GBe

Occasional Visitor

iSCSI on 1GBe or 10GBe

I would like to receive some fundamental feedback on where the cutt off is in the choice to connect a P45 Lefthand SAN over iSCSI in a VMWare environment. Currently the SAN is configured at 1GB but the end users do complain about performance. To finalize the plan to upgrade to 10 GB SAN Speed I would like to receive some feedback whether or not the investment will benifitial



  • Trading company with about 100 users
  • HP P4500 Lefthand SAN
  • 8 Virtual Windows servers on VMWARE, Boot from SAN, Pagefile on SAN
  • 1 SQL server with Navision databases  (Multiple concurrent transactions)
  • Microsoft Exchange server
  • Thin Clients with Windows terminal server.
  • Windows server versions are currently 2003 but will be upgraded to 2012



P.S. This thread has been moevd from Storage Area Networks (SAN) (Enterprise) to HP StoreVirtual Storage / LeftHand. - Hp Forum moderator

Steven Clementi
Honored Contributor

Re: iSCSI on 1GBe or 10GBe

Sounds like you may have more of a configuration issue then a bottle neck.


How many VMwae Hosts?


How many Lefthand Nodes?



Without seeing/understanding your VMware and Storage environment and configuration, it would be hard to tell if upgrading to 10GB would simply "fix" user performance issues.

Steven Clementi
HP Master ASE, Storage and Clustering
MCSE (NT 4.0, W2K, W2K3)
VCP (ESX2, Vi3, vSphere4, vSphere5)
NPP3 (Nutanix Platform Professional)