Hi Matthew

Can you tell us some more about your infrastructure?  What kind of disk
storage network are you using?  iSCSI?  FC?  block-data?  NAS?

Are your stated rates for image backups, or file-level incremental?

What version of TSM are you using?

Best regards,

Mike, x7942
RMD IT Client Services


On Thu, Mar 20, 2014 at 3:44 PM, Matthew McGeary <
Matthew.McGeary AT potashcorp DOT com> wrote:

> I've searched quite a bit and can't seem to find any guidelines on the
> following:
>
> 1) VMWare VSwitch configuration to maximize throughput for VM
> backups/restores
> 2) Expected throughput using 10Gb adapters
>
> We are in a situation at the moment where mass backups work quite well and
> are very fast: as fast as the TSM server can handle.  However, individual
> restores/backups are quite slow.  We've tested on a VMWare cluster with
> 1Gbps NICs attached to the management network and with 10Gbps attached to
> the management network.  Both scenarios are quite a bit slower than I'd
> expect.  Average backup/restore transfer rates are in the 25 MB/s range
> using 1Gb NICs and around 55 MB/s using 10Gb NICs.
>
> How do I improve the throughput on these single-VM backup and restore
> sessions?
>
> Thanks!
>
> Matthew McGeary
> Technical Specialist
> PotashCorp - Saskatoon
> 306.933.8921
>