Re: FreeBSD 7.1 disk performance issue on ESXi 3.5

2009-02-13 Thread Josh Paetzel
On Feb 11, 2009, at 1:02 PM, Ivan Voras wrote: As previously demonstrated by me and others, Linux usually has significantly better file system performance in the non-virtualized case, so the difference could be simply increased by the virtualization. In my limited experience with VMWare l

Re: Re: FreeBSD 7.1 disk performance issue on ESXi 3.5

2009-02-13 Thread ivoras
On Feb 13, 2009 8:27pm, Josh Paetzel wrote: In my limited experience with VMWare linux seems to have near bare metal disk performance. FreeBSD seems to incur a significant performance penalty. For instance on my laptop, running OSX and VMWare Fusion, FreeBSd virtual machines can't saturate

Re: FreeBSD 7.1 disk performance issue on ESXi 3.5

2009-02-13 Thread Sebastiaan van Erk
Hi, ivo...@gmail.com wrote: As for the original thread topic: I've communicated with the OP and it appears his method of benchmarking had an error so the problems that appear in his post are bogus. It is not quite true that the "method" is bogus, there just seems to be a huge difference bet

Re: Extremely slow write speeds to disk : FreeBSD 7.1 and Dell SAS 6/iR Adapter

2009-02-13 Thread O. Hartmann
Richard Tector wrote: > O. Hartmann wrote: >> When I read this posting I was quite happy having found a possible >> solution, but I can't find the above mentioned OID, FreeBSD >> 8.0-CURRENT/amd64 (running on this box) shows only "hw.ata.wc: 1" as >> a relevant OID. No hw.mpt.XXX OIDs anywere. This

Re: Extremely slow write speeds to disk : FreeBSD 7.1 and Dell SAS 6/iR Adapter

2009-02-13 Thread Dieter
> > But the issue is that writing to disk is extremely slow...i.e. 14Mb per > > second > > > > If I install any other linux distribution, like CentOS, write speek is > > the way it should be..it averages around 190Mb+ per second > > > > I was hoping if it were at all possible for you to assis

Re: Extremely slow write speeds to disk : FreeBSD 7.1 and Dell SAS 6/iR Adapter

2009-02-13 Thread Sebastiaan van Erk
Dieter wrote: But the issue is that writing to disk is extremely slow...i.e. 14Mb per second If I install any other linux distribution, like CentOS, write speek is the way it should be..it averages around 190Mb+ per second I was hoping if it were at all possible for you to assist me in with