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Date: Mon, 19 May 2008 13:22:45 +0900
From: Shunsuke SHINOMIYA <shino@fornext.org>
To: Daniel Ponticello <daniel@skytek.it>
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Cc: freebsd-stable@freebsd.org
Subject: Re: Disk access/MPT under ESX3.5
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> 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)

 Can you re-negotiate transfer rate, using camcontrol?
 `camcontrol negotiate 0:0 -W 16' might improve that transfer settings.
 
 camcontrol needs passthrough device support in a kernel.


-- 
Shunsuke SHINOMIYA <shino@fornext.org>