Re: Low HDD tranfer rate with FreeBSD 5.3-Release

[jason henson]

Amandeep wrote:
Hi all,
I am using Tyan S2098 MB with 160GB Maxtor ATA  Drive and the transfer 
rate is very low. FreeBSD 5.3-Release.
Any ideas what is going on here.

The transfer rate is about 15MB/s
when I run
#dd if=/dev/zero of=/usr/junk bs=8192
then do
#iostat 1
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Check the performance archive for a long thread on disk tweaking.  
sysctl vfs.read_max=32 should give you a good boost, but read that 
thread being attempting this.  There was another tweak in there I found 
interesting, but can be dangerous.  I'll let you look that one up.
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