pjh@mccc.UUCP (Peter J. Holsberg) (12/19/87)
Whenever I try to format a floppy disk on my 3B2/400, I get a verify error, usually on track 0, side 0. the HOTLINE suggested changing NPROC in steps of 38, starting at the default 60. NPROC = 136 let me format an AT&T floppy, but nothing I've tried lets me format a Fuji "MD2HD" (double sided/high density/double track 96 tpi). The Fuji formats nicely on a 7300, but that's much lower density. Any ideas? Thanks. -- Peter Holsberg UUCP: {rutgers!}princeton!mccc!pjh Technology Division CompuServe: 70240,334 Mercer College GEnie: PJHOLSBERG Trenton, NJ 08690 Voice: 1-609-586-4800
rich@oxtrap.UUCP (K. Richard Magill) (12/24/87)
In article <101@mccc.UUCP> pjh@mccc.UUCP (Peter J. Holsberg) writes: >Whenever I try to format a floppy disk on my 3B2/400, I get a verify >error, usually on track 0, side 0. the HOTLINE suggested changing NPROC >in steps of 38, starting at the default 60. NPROC = 136 let me format >an AT&T floppy, but nothing I've tried lets me format a Fuji "MD2HD" >(double sided/high density/double track 96 tpi). > >The Fuji formats nicely on a 7300, but that's much lower density. > >Any ideas? Thanks. Yeah. Don't verify. I had the same problem on 3b2/300's about 2 years ago. The real killer is that you hard drive will start dropping bits eventually. I found that by running sum's from crontab at night on /bin, /usr/bin, /etc, etc. that we dropped about 1 bit per month. The company I worked for at the time had about 25 in the field and a field complaint of "worked yesterday, dumps core today" lead me looking for missing bits. In other words, I don't believe that the machine is question was atypical. filler.
pjh@mccc.UUCP (Peter J. Holsberg) (12/26/87)
In article <2421@oxtrap.UUCP> rich@oxtrap.UUCP (K. Richard Magill) writes: > >Yeah. Don't verify. I had the same problem on 3b2/300's about 2 >years ago. The real killer is that you hard drive will start dropping >bits eventually. I found that by running sum's from crontab at night >on /bin, /usr/bin, /etc, etc. that we dropped about 1 bit per month. >The company I worked for at the time had about 25 in the field and a >field complaint of "worked yesterday, dumps core today" lead me >looking for missing bits. In other words, I don't believe that the >machine is question was atypical. > I tried that, but the machine wouldn't write to the non-verified floppy. Apparently, there is a mismatch between the magnetic properties of this Fuji disk and the magnetic abilities of the 3B2/400 read/write head. (Why are you telling me about dropping bits from your HD? Did I miss something?) Happy Holidays. -- Peter Holsberg UUCP: {rutgers!}princeton!mccc!pjh Technology Division CompuServe: 70240,334 Mercer College GEnie: PJHOLSBERG Trenton, NJ 08690 Voice: 1-609-586-4800