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Re: External log and possibilities.

To: linux-xfs@xxxxxxxxxxx
Subject: Re: External log and possibilities.
From: Keith Matthews <keith_m@xxxxxxxxxxxxxxxxxxx>
Date: Fri, 20 Jul 2001 08:33:56 +0100 (BST)
In-reply-to: <001d01c110e0$78a0b000$3c532840@towerpc>
References: <001d01c110e0$78a0b000$3c532840@towerpc>
Sender: owner-linux-xfs@xxxxxxxxxxx
On Fri, 20 Jul 2001 01:54:42 -0400 Steven Tower <Steven Tower 
<tower@xxxxxxxxxxxx>> wrote:

> 
> I want wondering if anyone here was aware of non-volatile RAM devices
> 128m-1g and would such a device work with Linux and then allow you to
> use an external log to read/write to them.  I would expect that if it's
> based on SDRAM, etc it would make for some interesting performance
> gains.  

> Anyone have any thoughts on this? 

If you are talking about Flash then it has the limitation of a fairly
small max numbr of write cycles. I have heard 100,000 quoted - not
much for a busy fileserver.

--
Keith Matthews                  Spam trap - my real account at this 
                                                        node is keith_m
Frequentous Consultants  - Linux Services, 
                Oracle development & database administration



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