Hello,
i'm running some tests with FreeBSD6.3 and FreeBSD7-Stable, using both
AMD64 and I386 arch
with both schedulers (ULE and 4BSD) on VmWare ESX3.5 server.
Everything runs almost fine, except for disk access. Performance is
quite OK (around 60mb/sec),
but when accessing disks, System (kernel) CPU load goes up to 70%. This
doesn't look
normal. The same behavior is present on all test configurations.
monitor# dmesg | grep mpt
mpt0: <LSILogic 1030 Ultra4 Adapter> port 0x1080-0x10ff mem
0xf4810000-0xf4810fff irq 17 at device 16.0 on pci0
mpt0: [ITHREAD]
mpt0: MPI Version=1.2.0.0
da0 at mpt0 bus 0 target 0 lun 0
da0: <VMware Virtual disk 1.0> Fixed Direct Access SCSI-2 device
da0: 3.300MB/s transfers
da0: Command Queueing Enabled
da0: 34816MB (71303168 512 byte sectors: 255H 63S/T 4438C)
Any suggestions?
Thanks,
Daniel
--
WBR,
Cordiali Saluti,
Daniel Ponticello, VP of Engineering
Network Coordination Centre of Skytek
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