Subject: Re: /swap on different disks
To: Ross Harvey <>
From: Brad Salai <>
List: netbsd-users
Date: 12/24/1997 15:24:01
At 9:44 AM -0800 12/24/97, Ross Harvey wrote:
>> I currently run SunOS and NetBSD on different volumes, and all is well.
>> boot disk0 and boot disk3 start the desired system.
>> I've been thinking that I might get the performance improvements associated
>> with having swap on a different physical device if I exchanged swap
>> devices, that is use the netbsd swap partition for the SunOS volume, and
>> vice versa.
>> Am I overlooking anything that will cause problems?
>In general, NetBSD uses the native disk partition format on all platforms.
>When I run DUh and NetBSD/Alpha on the same box, I never create a separate
>swap partition...I just use the same one for both kernels.
>And in your case, you should really use them both on both systems.

Can you point me towards any info on how to do this. Say, what the entry in
the fstab should be?  It seems like a _really_ good idea.


>The raw partition pager is sort of permenently in ccd(4) mode; it has
>always supported interleaved drives on both NetBSD and SunOS.  Or,
>change the partition type on the NetBSD swap and put a file system on
>it, and then use the SunOS swap for both.

Stephen B. Salai                            Phone (716) 325-5553
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