Hi Again, I suspect I may need to retract that last one, as I just forced a fatal error on EXT2 as well... I'd appreciate any thoughts people have in terms of locating the fault, although I suspect it's in the raid. Thanks, Tony On Wednesday, March 27, 2002, at 04:42 PM, Tony Clark wrote: > Hi there, > > I'm using RH7.2 (with the 2.4.9-30 kernal and it's required components) > as a base for a server system running kernel 2.4.18. I've gone to this > version to get around non-performing aic7xxx drivers in the stock 7.2 > kernels, and updated gigabit ethernet drivers. > > I have a raid unit (Medea) attached to an Adaptec 3916, coming up as > sdb. It has 2kb blocks, but the fault I'm about to talk about is > evident on other block sizes and controllers as well. > > I have a little script that makes a bunch of large files to give the > filesystem a beating. It goes like this: > > #!/bin/bash > i=1000 > for((i=0;i != 301;i++)); do > time -p dd if=/dev/zero of=./bigfile.$i bs=1024k count=1024 > echo $i > done > > About 4 files in, it dies with 'dd: writing `./bigfile.4': Read-only > file system' > > In the messages file, I see: > > Mar 27 17:28:15 r5 kernel: journal_bmap: journal block not found at > offset 1607 on sd(8,17) > Mar 27 17:28:15 r5 kernel: Aborting journal on device sd(8,17). > Mar 27 17:28:15 r5 kernel: ext3_abort called. > Mar 27 17:28:15 r5 kernel: EXT3-fs abort (device sd(8,17)): > ext3_journal_start: Detected aborted journal > Mar 27 17:28:15 r5 kernel: Remounting filesystem read-only > Mar 27 17:28:15 r5 kernel: EXT3-fs error (device sd(8,17)) in > start_transaction: Journal has aborted > > If I reformat the drive as ext2, it behaves quite fine through the > whole test. I'm no longer logging any scsi errors (RH7.2 with 2.4.9-30 > did plenty). > > Are there any known issues of this type about? I know nothing about > the internals of the filesystem and am just trying to get up and > running. Are there any tests I can run to help point fingers at > potential problems? > > Running the same test on my system hard disk (also on an adaptec > controller) runs out of space before it crashes, but I expect it's > solid. > > I'd appreciate the help :) > > Thanks, > > Tony > ---- Tony Clark e: tony@rsp.com.au Rising Sun Pictures w: http://www.rsp.com.au Adelaide / Sydney, Australia t: +61 8 8364 6074 > > > > _______________________________________________ > > Ext3-users@redhat.com > https://listman.redhat.com/mailman/listinfo/ext3-users