Path: utzoo!utgpu!watmath!clyde!att!ucbvax!bloom-beacon!husc6!rice!sun-spots-request From: nugent%tartarus@gargoyle.uchicago.edu Newsgroups: comp.sys.sun Subject: more inodes on a Fuji 2382 disk Message-ID: <8811170529.AA02350@tartarus.uchicago.edu> Date: 29 Nov 88 12:55:41 GMT Sender: usenet@rice.edu Organization: Rice University, Houston, Texas Lines: 21 Approved: Sun-Spots@rice.edu Original-Date: Wed, 16 Nov 88 23:29:56 -0600 X-Sun-Spots-Digest: Volume 7, Issue 28, message 11 of 13 I'll bet you are running SUN OS 4.0. On a SUN OS 3.5 machine I was able to drop the block size to 4k and the frag size to 512 (it was a news partition) with a Fuji 2382 and a Ciprico controller. Then, as you said, I was able to make it 8 cyl/group and get twice the default number of inodes. However, in the "Read This First" notes for SUN OS 4.0, it states that the disk block size must be => the system page size, which is 8k on the SUN 3. I haven't looked through the source to see why this is necessary, but I would guess that it is a byproduct of all the VM cleanup/streams conversion that went into release 4.0. If you have source you could double the MAXIPG=2048 inodes/cyl-group limit in /usr/include/ufs/fs.h and recompile the necessary modules (I haven't tried this with SUN OS 4.0, has anyone else?) You could always put your 2382 disk on a SUN-2 which has a 2k page size. ;-) Todd Nugent University of Chicago CS dept.