[WinMac] Re: Large Mac volumes on an NT server

Daniel L. Schwartz(expresso[at]SNIP.NET)
Sun, 11 Jul 1999 22:06:33 -0400

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The basic rule for NT is the more RAM you give it, the faster it runs.
Virtual memory is on all the time, so the more RAM is in the machine, the
less NT pages the kernel to the drive. Part of the kernel is locked into
RAM - The non-paged pool - with the balance committed to the paged pool.

With RAM so inexpensive these days, it just plain pays to "max out" your
server's RAM.

Hope this helps!

At 12:13 PM 7/9/99 -0700, you wrote:
>Hi all,
>
> Does anyone know of a formula I can use to calculate how much physical
>RAM
>I need on an NT server (NT4/SP4) to accomodate a Mac volume of size x? I'm
>running into limitations when our server was upgraded from 4G drives in the
>array to 9G drives; SFM stopped working. The amount of data didn't change,
>just the volume size.
>
>@@@@@@@@
>http://support.microsoft.com/support/kb/articles/Q166/5/71.ASP
>
>SYMPTOMS
>
> Shortly after you create a Macintosh volume on a partition larger than
>approximately seven (7)
> GB with a large number of files, the system may crash with a STOP 0x24
>error in
> NTFS_FILE_SYSTEM (NTFS.SYS).
>
>
> CAUSE
>
> The AppleTalk protocol driver Afp.sys, depletes the memory pool allocated
>to non-paged pool
> while indexing a Services for Macintosh (SFM) volume.
>
>To work around this problem, increase the non-paged pool memory available to
>kernel or reduce
> the number of files on the SFM volume. The amount of non-paged pool
>available to kernel is a
> fixed value that is based upon the total RAM in the system. If you
>increase the RAM you will
> increase the non- paged pool available to kernel.
>@@@@@@@@@
>
>I'm trying to figure out how much it would cost to upgrade the server RAM
>but to do that I
>really should know how much more RAM I have to buy. Also, I may run into
>the situation
>where I'm already maxxed out on RAM.
>
>Any ideas or alternatives would be welcome.
>
>Scott
>
>* Windows-MacOS Cooperation List *
>
>

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