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- Path: sparky!uunet!cs.utexas.edu!swrinde!sdd.hp.com!elroy.jpl.nasa.gov!decwrl!deccrl!news.crl.dec.com!dbased.nuo.dec.com!nntpd.lkg.dec.com!nntpd2.cxo.dec.com!nabeth!alan
- From: alan@nabeth.enet.dec.com (Alan Rollow - Alan's Home for Wayward Tumbleweeds.)
- Subject: Re: Swap area on Dec5000
- Message-ID: <1992Dec19.005713.24668@nntpd2.cxo.dec.com>
- Lines: 28
- Sender: alan@nabeth (Alan Rollow - Alan's Home for Wayward Tumbleweeds.)
- Reply-To: alan@nabeth.enet.dec.com (Alan Rollow - Alan's Home for Wayward Tumbleweeds.)
- Organization: Digital Equipment Corporation
- References: <16DEC199221211918@csa1.lbl.gov> <1992Dec17.184603.19062@nntpd2.cxo.dec.com>
- Date: Sat, 19 Dec 1992 00:57:13 GMT
-
-
- In article <1992Dec17.184603.19062@nntpd2.cxo.dec.com>, alan@nabeth.enet.dec.com (Alan Rollow - Alan's Home for Wayward Tumbleweeds.) writes:
- >
- > [ A follow-up to a question about how to configuration additional page
- > and swap space; yes you have to rebuild the kernel, yes you have to
- > edit /etc/fstab...
- >
- > Towards the end I mention a potential problem about which I was
- > concerned, in possible size limits of page/swap devices, mostly
- > having to do with different size devices. ]
-
- Based on a mail conversation with Martyn Johnson (Martyn.Johnson@cl.cam.ac.uk)
- I now think there's little to be concerned about. My test for checking
- the amount of space available was to read each swapfrag on /dev/drum. In
- my test the read stopped at the size of the smallest member. Based on
- Martyn's test it would appear that the actual size of /dev/drum is based
- on the largest member rather than the smallest. One would suppose that
- the space not available due to the smaller members is mapped out somehow
- and thus not used.
-
- If I were adventureous enough, I could probably go look at the resource
- management code and try to figure it out, but I've been adventureous
- enough this week...
-
- >
- >
- --
- Alan Rollow alan@nabeth.cxo.dec.com
-