Re: Filesystem corruption (was: Re: Linux 2.2.4 & RAID - success report)

1999-04-09 Thread Robert Siemer
Hi! On Fri, 9 Apr 1999, Brian Leeper wrote: > On Wed, 31 Mar 1999, Tony Wildish wrote: > > Try booting with the 'mem=xxxM' option to limit yourself to a small > > amount of RAM. If you are lucky then the problem is high enough in the > > memory that you can limit yourself to a good region and i

Re: Filesystem corruption (was: Re: Linux 2.2.4 & RAID - success report)

1999-04-09 Thread Brian Leeper
On Wed, 31 Mar 1999, Tony Wildish wrote: > > Try booting with the 'mem=xxxM' option to limit yourself to a small > amount of RAM. If you are lucky then the problem is high enough in the > memory that you can limit yourself to a good region and it will work. There's also a memtest86 utility t

Re: Filesystem corruption (was: Re: Linux 2.2.4 & RAID - success report)

1999-04-06 Thread Stephen C. Tweedie
Hi, On Tue, 06 Apr 1999 10:39:21 +0100, Richard Jones <[EMAIL PROTECTED]> said: > Can it be a cabling fault? I thought that SCSI had parity > checking. Yes, it does, and all _decent_ scsi cards support it. Some old ones do not (especially ISA cards). --Stephen

Re: Filesystem corruption (was: Re: Linux 2.2.4 & RAID - success report)

1999-04-06 Thread Richard Jones
"Stephen C. Tweedie" wrote: > > Hi, > > On Mon, 29 Mar 1999 11:28:25 +0100, Richard Jones > <[EMAIL PROTECTED]> said: > > > Not so fast there :-) > > > Mar 26 20:52:35 fred kernel: EXT2-fs error (device md(9,0)): ext2_free_blocks: >Freeing blocks not in datazone - block = 550046767, count = 1

Re: Filesystem corruption (was: Re: Linux 2.2.4 & RAID - success report)

1999-04-01 Thread Stephen C. Tweedie
Hi, On Mon, 29 Mar 1999 11:28:25 +0100, Richard Jones <[EMAIL PROTECTED]> said: > Not so fast there :-) > In the stress tests, I've encountered almost silent > filesystem corruption. The filesystem reports errors > as attached below, but the file operations continue > without error, corrupting

Re: Filesystem corruption (was: Re: Linux 2.2.4 & RAID - success report)

1999-04-01 Thread Alvin Oga
hi ya... does these bugs exists for raid5?? under linux-2.2.5 ?? am running 2.2.4 w/ raid0 ( trivial stuff ).. have fun alvin > Richard Jones wrote: > > "D. Lance Robinson" wrote: > >=20 > > I have also experienced file system corruption with 2.2.4. The proble= > m most > > likely lies in th

Re: Filesystem corruption (was: Re: Linux 2.2.4 & RAID - success report)

1999-04-01 Thread Richard Jones
"D. Lance Robinson" wrote: > > I have also experienced file system corruption with 2.2.4. The problem most > likely lies in the /fs/buffer.c file which the raid patch had a conflict > with. I'm also fairly sure now that the problem is with 2.2.4. I'm currently taking the machine back to 2.2.3 an

Re: Filesystem corruption (was: Re: Linux 2.2.4 & RAID - success report)

1999-03-31 Thread Brian Leeper
On Mon, 29 Mar 1999, Richard Jones wrote: > The stress test script is attached so people can try > this out for themselves. I tried this test script with kernel 2.2.3 and the RAID patch dated 19990309. I let it run for almost 4 hours with 8 processes on a machine with the following configurat

Re: Filesystem corruption (was: Re: Linux 2.2.4 & RAID - success report)

1999-03-31 Thread D. Lance Robinson
I have also experienced file system corruption with 2.2.4. The problem most likely lies in the /fs/buffer.c file which the raid patch had a conflict with. <>< Lance. Tony Wildish wrote: > this sound to me like bad memory. I had a very similar problem recently > and it was a bad SIMM. I was luc

Re: Filesystem corruption (was: Re: Linux 2.2.4 & RAID - success report)

1999-03-31 Thread Tony Wildish
Hello, this sound to me like bad memory. I had a very similar problem recently and it was a bad SIMM. I was lucky enough to have four SIMMS in the machine so I can still run with only two, having removed the bad SIMM and its partner. Two suggestions: Try booting with the 'mem=xxxM' option t

Re: Filesystem corruption (was: Re: Linux 2.2.4 & RAID - success report)

1999-03-29 Thread Richard Jones
Here is some further information about the filesystem, produced by dumpe2fs. The blocks being freed seem to be far outside the actual filesystem. The block numbers generated are not random, the same blocks appear over and over again. And for those of you into spooky numerology, if you subtract (h

Filesystem corruption (was: Re: Linux 2.2.4 & RAID - success report)

1999-03-29 Thread Richard Jones
Richard Jones wrote: > > Apart from a couple of minor and easily fixed patch problems, > patch-2.2.4 can be applied to linux-2.2.3 + raid 19990309. > I've been running some stress tests on the new kernel and > a large array of SCSI RAID disks very successfully over- > night. Well done to all! No