On Sat, Feb 24, 2001 at 04:08:04PM -0500, David Gilbert wrote:
> We have an application which is precompiled, for linux, and stupid.
> It uses (at times large) scratch files. We want to run this on our
> diskless machines (CPU farm) to cut the per-cpu cost of the
> computation ($200/drive starts getting significant at a few hundred
> machines).
>
> Anyways, I've tried:
>
> [1:26:2025]root@spitfire:/usr/u/dgilbert> mount_mfs -T test -s 2097152 -o
>nosuid,nodev /dev/null /mnt
> [1:27:2026]root@spitfire:/usr/u/dgilbert> df -k
> Filesystem 1K-blocks Used Avail Capacity Mounted on
> 192.168.255.49:/raid/clients/4 124545452 87451588 27130228 76% /
> procfs 4 4 0 100% /proc
> mfs:57939 507755 1 467134 0% /mnt
> [1:28:2027]root@spitfire:/usr/u/dgilbert> tail -5 /etc/disktab
> test|test disk|\
> :ty=removable:dt=SCSI:se#512:nt#1:ns#31:nc#18600:ts#1:rm#4800:\
> :pc#20971520:oc#0:\
> :pa#20971520:oa#0:ta=4.2BSD:ba#4096:fa#512:
>
> The goal is to have about 2 gig of filesystem available for these
> (admittedly stupid) scratch files.
You have to raise MAXDSIZE and DFLDSIZ in your kernel config.
You may also want to try MD instead of MFS.
--
B.Walter COSMO-Project http://www.cosmo-project.de
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