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From: Michael White <mdwhite@ucdavis.edu>
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Disk crash problem...any ideas of what is going wrong?
Date: Wed, 11 Dec 1996 18:00:49 -0800
Organization: University of California, Davis
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Xref: euryale.cc.adfa.oz.au comp.unix.bsd.freebsd.misc:32425
FreeBSD version: 2.1.5 installed from CD Rom
Disk: 1G WD Cavier
IDE controller: DC-4030VL
CPU: 66Mhz 486DX2
Sorry to bug everyone, but I am having a problem with keeping my
BSD machine running. Specifically the problem is that my disk
keeps having problems. I am running a Western Digital Cavier 1G
drive on a 486DX2 system with a DC-4030VL IDE controller. The
problem I seem to have is with the 3rd partition (only one slice).
The best I can figure is that once the disk gets past half full,
it starts clobbering inode information.
My filesystems (which are okay) are:
Filesystem 512-blocks used avail cap.
/dev/wd1a 38974 31806 4052 89% /
/dev/wd1s1e 793790 265758 464530 36% /usr
procfs 8 8 0 100% /proc
The last partition had numerious inode errors (which I attempted
to fix with fsck... which hangs with a number that is too big and
can't even seem to patch up).
I have looked at information at startup using newfs & fdisk:
#newfs -N rwd1s1
/dev/rwd1s1: 40960 sectors in 10 cylinders of 1 tracks,
4096 sectors 20.0 MB in 1 cyl groups (16 c/g, 32.00 MB/g, 7680 i/g)
Superblock backups (for fsck -b #) at:
32,
(^- Note: only one backup is listed here).
#fdisk /dev/rwd1
********* Working on device /dev/rwd1 ************
parameters extracted from in-core disk Label are:
cylinders=2100 heads=16 sectors/track=63 (1008 blks/cyl)
Figures below won't work with BIOS for partitions not in cyl 1
parameters to be used for BIOS calculations are:
cylinders=2100 heads=16 sectors/track=63 (1008 blks/cyl)
Warning: BIOS sector numbering starts with sector 1
Information from DOS bootblock is:
The data for partition 0 is:
sysid 165, (freeBSD/NetBSD/386BSD)
start 63, size 2116737 (1033Meg), flag 80
beg: cyl 0/ sector 1/ head 1
end: cyl 1023/ sector 63/ head 15
The data for partition 1 is:
<UNUSED>
The data for partition 2 is:
<UNUSED>
The data for partition 3 is:
<UNUSED>
I realize that I will probably have to clear everything off my
disk and re-do my partitions, but can anyone see what I have
done wrong (as this problem seems to keep coming up). Note:
eventhough the DC-4030VL is a VL-Bus IDE caching disk controller,
I have turned the cache off and am using the mainboard bios.
Any help would be appreciated.
--
- Mike
mdwhite@ucdavis.edu