https://community.hpe.com/t5/storevirtual-storage/mpio-not-delivering-increased-throughput/m-p/5633521#M5088 <P>I have a consolidated backup of several remote office storage VSAs that perform nightly remote copies to a local cluster of two VSAs serving storage up from a pair of DAS drives in a couple of physical servers.&nbsp; I've also got a local guest that mounts and backs up current copies of these volumes to tape.&nbsp; The volumes on the VSAs are network RAID10, the physical disks are RAID0 (they;re just there for scratch space, and node-level fault tolerance is OK for this application).&nbsp; Running SanIQ v9.5.</P><P>&nbsp;</P><P>I notice that throughput seems limited to about 20-30 MB/s, considering that there's two nodes to read from and they each have a 1gbps connection on different physical hosts.&nbsp; It's stable, but appears to only be using one NIC on the backup guest when accessing the volumes on the central VSA cluster.&nbsp; I do get three connections automaticaly made to the VIP whenever I connect to a snapshot, so it LOOKS like the DSM's doing its thing, but not...quite.&nbsp;</P><P>&nbsp;</P><P>All three connections are made from the same, single initiator IP instead of balanced between the two available NICs...I can use either to make the initial connection if I drill down to the Advanced level of the connection dialog box in 2008R2.&nbsp; But I can't seem to get both to work together and get the increased throughput that I was expecting.</P><P>&nbsp;</P><P>Suggestions?&nbsp; Or have I completely missed the point and It Doesn't Work Like That?</P> Tue, 24 Apr 2012 15:59:45 GMT BulkRate 2012-04-24T15:59:45Z https://community.hpe.com/t5/storevirtual-storage/mpio-not-delivering-increased-throughput/m-p/5633521#M5088 <P>I have a consolidated backup of several remote office storage VSAs that perform nightly remote copies to a local cluster of two VSAs serving storage up from a pair of DAS drives in a couple of physical servers.&nbsp; I've also got a local guest that mounts and backs up current copies of these volumes to tape.&nbsp; The volumes on the VSAs are network RAID10, the physical disks are RAID0 (they;re just there for scratch space, and node-level fault tolerance is OK for this application).&nbsp; Running SanIQ v9.5.</P><P>&nbsp;</P><P>I notice that throughput seems limited to about 20-30 MB/s, considering that there's two nodes to read from and they each have a 1gbps connection on different physical hosts.&nbsp; It's stable, but appears to only be using one NIC on the backup guest when accessing the volumes on the central VSA cluster.&nbsp; I do get three connections automaticaly made to the VIP whenever I connect to a snapshot, so it LOOKS like the DSM's doing its thing, but not...quite.&nbsp;</P><P>&nbsp;</P><P>All three connections are made from the same, single initiator IP instead of balanced between the two available NICs...I can use either to make the initial connection if I drill down to the Advanced level of the connection dialog box in 2008R2.&nbsp; But I can't seem to get both to work together and get the increased throughput that I was expecting.</P><P>&nbsp;</P><P>Suggestions?&nbsp; Or have I completely missed the point and It Doesn't Work Like That?</P> Tue, 24 Apr 2012 15:59:45 GMT https://community.hpe.com/t5/storevirtual-storage/mpio-not-delivering-increased-throughput/m-p/5633521#M5088 BulkRate 2012-04-24T15:59:45Z https://community.hpe.com/t5/storevirtual-storage/mpio-not-delivering-increased-throughput/m-p/5635255#M5096 <P>The sound of crickets chirping is deafening.&nbsp; ;-)</P><P>&nbsp;</P><P>Paul...you've got this set up for your Exchange 2010 infrastructure, right (guest-based VM initiator to a two-node P4500G2/G3 cluster)?&nbsp; If yes, do you see i/o/throughput inline with aggregation over two&nbsp;links, or are you limited to that of a single NIC?</P><P>&nbsp;</P><P>Or are you on a 10GbE solution, making my mpio question irrelevant?</P> Wed, 25 Apr 2012 17:59:30 GMT https://community.hpe.com/t5/storevirtual-storage/mpio-not-delivering-increased-throughput/m-p/5635255#M5096 BulkRate 2012-04-25T17:59:30Z https://community.hpe.com/t5/storevirtual-storage/mpio-not-delivering-increased-throughput/m-p/5644749#M5150 <P>Never mind...I wasn't following ALL the directions.&nbsp; Namely the "repeat connection dialog&nbsp;for your other NIC" part.&nbsp;</P><P>&nbsp;</P><P>Kinda important.</P> Wed, 02 May 2012 21:04:15 GMT https://community.hpe.com/t5/storevirtual-storage/mpio-not-delivering-increased-throughput/m-p/5644749#M5150 BulkRate 2012-05-02T21:04:15Z