best filesystem for imap server

[David Lang]

On Thu, 2 Dec 2004, Jules Agee wrote:

> Date: Thu, 02 Dec 2004 10:11:21 -0800
> From: Jules Agee <julesa at pcf.com>
> To: info-cyrus at lists.andrew.cmu.edu
> Subject: Re: best filesystem for imap server
> 
> David Lang wrote:
>> also note that if you are useing IDE drives you have no way of really 
>> knowing when the data has hit the platter (as opposed to just being in the 
>> buffer of the drive) as many of the drives will lie to you and tell you 
>> the write is complete once it hits the buffers.
>
> I think they use capacitors that will hold enough charge to allow flushing 
> the buffers to disk when there's a power loss.

they used to, but nowdays when the bugger is 8M (or larger), potentially 
with many seeks they don't have any capacitors large enough to hold that 
much power (disassemble a failed drive sometime and try to find any 
significant capacitors in it)

David Lang

> -- 
> Jules Agee
> System Administrator
> Pacific Coast Feather Co.
> julesa at pcf.com      x284
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