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SubjectRe: faster boots?
DateFri, 5 Apr 2002 04:21:30 +0100 (BST)
FromAlan Cox <>
> I find that on heavily scsi systems: one machine spins each of 13 disks 
> up sequentially.  This makes the initial boot take 3-5 minutes before 
> init even gets its foot in the door.  If someone made a patch to spin 
> up scsi disks on the first access, I'd gladly give it a test. ;-)

Ditto. Especially if it spun them down again when idle for a while. 

The scsi layer does several things serially it could parallelise. It isnt
just disk spin up its also things like initialising all scsi controllers
in parallel.

Alan
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