Hi Florian
I don't really have answer for you sorry, but thought I would let you
know that I've got a bunch of Debian servers (mainly LAMPS) installed on
both enterprise ESXi 5 hosts with and without attached storage, in one
case a FC SAN. In addition my home server (white-box) is running the
free version of ESXi 5 and running 4X Debian servers as guests and I can
say that in all cases they perform very well and don't have any
performance issues... in fact they really fly on ESXi.
I can confirm that in all cases the HDD controller is LSI Parallel and I
also get SG_IO bad/missing sense data come up. Don't have VM tools
installed except for one server, but it doesn't make much difference
when they are headless from what I can see anyway.
Are you installing a base version such as the netinstall ISO? Also is
this just from a stock install or are you installing other packages or
custom software?
I'm interested in this SG_IO error now myself, so if you do find
anything let us know and good luck with it all.
Regards
Keith
On 18/01/12 20:37, Florian Götz wrote:
Hi everyone,
I got a serious problem with a Debian install on an ESXi 5.0 Server.
Debian installs fine and seems to run fine, but the harddisk
performance is really low.
I got latency times of about 44 seconds, tested with bonnie++.
What I´ve done:
- New machine in ESXi, harddisk controller "LSI Parallel" (Debian uses
the LSI53c1030 driver (mptlinux v 3.04.12))
- hdparm -i /dev/sda says:
/dev/sda
SG_IO bad / missing sense data.
The latest drivers from LSI are 4.28. I don´t know if it is a driver
problem oder VMWare Problem.
I also did a new install with harddisk controller setting "LSI SAS",
but no performance improvement.
The VMWare ESXi Server should be alright, because a SLES11 Instance
that runs on the same machine and same datastore performs well.
LSI provides new drivers (v 4.28) but RHEL/SLES only and a conversion
via alien and later install of the deb-File brought no change.
Anyone got a clue how to get this running?
Best regards
Florian Götz
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