Re: scsi probe delay on linux-kernel-2.6.15-1-k7-smp
On Thursday 30 March 2006 08:57, erchamion.beren@gmail.com wrote:
> hello, have a sun workstation and decided to install debian etch on it,
> everything goes fine, i installed 2 different kernels
> linux-kernel-2.6.15-1-k7-smp and linux-kernel-2.6.15-1-686-smp, when
> any of that kernel boots it hangs up several seconds during scsi probe,
> kernel finds scsi host 0 controller ,after that drops to shell (busy
> box shell) because kernel cannot find the sda1 (the root file system),
> while im on the shell kernel finishesthe probe of scsi host controller
> 2 and finds the sda, then i press ctrl+D to make the kernel to continue
> boot seq. , everythig goes fine, the computer boots normally. there is
> SunOS already installed on my workstation, i think SunOS uses linux
> kernel and trace the probe of scsi host, see that SunOS kernel finds
> both scsi host controllers in a second, the kernels without smp work
> fine. how can i solve that problem?
> also i am noticed that my scsi hardisk seem to be little slow for scsi
> disks.
>
> hdparm -t /dev/sda
>
> /dev/sda:
> Timing buffered disk reads: 226 MB in 3.01 seconds = 75.09 MB/sec
>
> is it normal ? thanks.
Regarding the hdparm question, to measure more accurately the disk/system
performance use bonnie++.
--
Greg Madden
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