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Re: More on write caching

To: Steve Lord <lord@xxxxxxx>
Subject: Re: More on write caching
From: Juha Saarinen <juha@xxxxxxxxxxxx>
Date: Sat, 7 Jul 2001 09:12:48 +1200 (NZST)
Cc: Andrew Klaassen <ak@xxxxxxx>, "linux-xfs@xxxxxxxxxxx" <linux-xfs@xxxxxxxxxxx>
In-reply-to: <200107061738.f66Hcpb09219@xxxxxxxxxxxxxxxxxxxx>
Sender: owner-linux-xfs@xxxxxxxxxxx
On Fri, 6 Jul 2001, Steve Lord wrote:

> Using the rotational power of the spindle to
> generate power to move the head to a special track and flush the cache
> is not unheard of for instance.

My systems integrator friend tells me that certain drives from IBM have
large capacitors, which come in handy when the power goes out all of a
sudden.

For obvious reasons, if the drives are connected to a caching controller,
make sure you have an UPS as well...


-- 
Regards,


Juha

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