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From: chris@mimsy.UUCP (Chris Torek)
Newsgroups: comp.unix.questions,comp.unix.wizards
Subject: Re: Ultrix 2.0 paging on only one disk
Message-ID: <9097@mimsy.UUCP>
Date: Sun, 25-Oct-87 17:42:32 EST
Article-I.D.: mimsy.9097
Posted: Sun Oct 25 17:42:32 1987
Date-Received: Wed, 28-Oct-87 02:46:20 EST
References: <1315@mpre.UUCP> <1263@uccba.UUCP>
Distribution: na
Organization: U of Maryland, Dept. of Computer Science, Coll. Pk., MD 20742
Lines: 22
Keywords: ultrix, paging
Xref: mnetor comp.unix.questions:4671 comp.unix.wizards:5113

In article <1263@uccba.UUCP> finegan@uccba.UUCP (Mike Finegan) writes:
>... Anyhow, we have 1 RA81 with both modified rra0a and rra0b partitions
>(as well as the rest - something I had to REDO because of the lack of 
>freedom in the installation script - forced default partitioning), with
>12M of root and 16M of swap (2 times our 8M "core").

[We use ~30 megabyte roots, which is perhaps a wee bit excessive, but
quite effective!]

>... In the config files, you can not only say swapon ... but also
>swapon ... size `sectors' . Did you change this to take advantage of
>your new swap partition size?

This should not be necessary.  Starting with 4.2BSD, block device
drivers have a `d_psize' partition sizing routine, so that the
swap configuration code can find the sizes of the swap partitions.
Putting a size into the configuration file overrides the actual
partition size, but the only workable thing you can do with this
is to decrease the size of the swap region.
-- 
In-Real-Life: Chris Torek, Univ of MD Comp Sci Dept (+1 301 454 7690)
Domain:	chris@mimsy.umd.edu	Path:	uunet!mimsy!chris