Date: Mon, 25 Oct 1999 14:48:01 -0700 From: GVB <gvbmail@tns.net> To: freebsd-questions@freebsd.org Subject: question regarding IO Message-ID: <4.2.1.19991025143751.017b2af0@abused.com>
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I am running a small ISP 100% on FreeBSD. I wanted to add a level of
redundancy to our mail server so I purchased the Raidstation3 kit from DPT
which includes an external 3 bay drive enclosure and a PCI raid
controller. I populated the controller with 64 megs of ram and popped in 3
Ultra2 10,000rpm Seagate Cheetah drives. I built the raid and mounted the
two partitions as /var/mail and /var/spool/mail. I now get strange
unresponsive timeouts from the machine at random times.. this is what
iostat looks like when the machine is unresponsive, sometimes up to 10
seconds at a time. This was not happening before installing this RAID so
it leads me to believe that the file system is the problem.
tty da0 da1 da2 cpu
tin tout KB/t tps MB/s KB/t tps MB/s KB/t tps MB/s us ni sy in id
0 76 0.00 0 0.00 0.00 0 0.00 64.00 1 0.06 5 0 1 15 79
What does the KB/t mean, it seems that it never gets past 64 and when it
hits 64 the machine becomes unresponsive. Any suggestions or pointers
would be appreciated.
Thanks.
GVB
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