Re: (reiserfs) Re: sync: why disk cannot spin down

From: Matthias Andree (matthias.andree@gmx.de)
Date: Mon Jul 31 2000 - 09:53:00 EST


On Mon, 31 Jul 2000, Xuan Baldauf wrote:
> Matthias Andree wrote:
> You tell me the kernel starts missing drive ACKs even if there are no read
> or write requests pending? Even then, the drive was never in sleep mode
> (requires reset), it always was in standby mode (does not require reset). My
> primary intent is to reduce the noise of the drive, not the power
> consumption.

Of course, if the kernel is not writing, it's not missing "operation
complete" transactions.

My point is: putting a drive to sleep rather than to standby will not
help much, it will only delay the spin-up and possibly leave you with a
slower drive.

-- 
Matthias Andree

- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/



This archive was generated by hypermail 2b29 : Mon Jul 31 2000 - 21:00:33 EST