[nylug-talk] [Novalug] benchmarking iSCSI

Miguel Gonzalez Castaños miguel_3_gonzalez at yahoo.es
Thu Sep 13 13:30:20 EDT 2007


Hi,

  I have setup an HP All-in-One Storage Server with an iSCSI device that
I have mounted on a Debian machine.

  Unfortunately I'm not very versed on the world of benchmarking, I have
tried this:

svn:/etc# hdparm -tT /dev/sda1

/dev/sda1:
Timing cached reads:   1486 MB in  1.99 seconds = 744.98 MB/sec
Timing buffered disk reads:   12 MB in  3.50 seconds =   3.43 MB/sec
svn:/etc# hdparm -i /dev/sda1

/dev/sda1:
HDIO_GET_IDENTITY failed: Invalid argument

But the -i error makes me wonder if the results are reliable

What kind of benchmarks can I get to see if it is worth to use iSCSI
with this HP Storage server?

Thanks,

Miguel


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