Re: Please help - when is a bad disk a bad disk?

2000-04-12 Thread Mike Bilow
On Tue, 11 Apr 2000, Darren Nickerson wrote: > > On Tue, 11 Apr 2000, "Lance" == D. Lance Robinson wrote: > > Lance> So, if the md driver doesn't fail a drive that is because the lower > Lance> levels have taken care of all the nitty details and have supposedly > Lance> performed the r

Re: Please help - when is a bad disk a bad disk?

2000-04-11 Thread Michael
> > > On Mon, 10 Apr 2000, "Darren" == Darren Nickerson wrote: > array. > > Ack - too late: > > Apr 11 09:58:24 osmin kernel: attempt to access beyond end of device > Apr 11 09:58:24 osmin kernel: 21:01: rw=0, want=318373889, > limit=33417184 Apr 11 09:58:24 osmin kernel: dev 09:01 blksize=

Re: Please help - when is a bad disk a bad disk?

2000-04-11 Thread Darren Nickerson
> On Tue, 11 Apr 2000, "Lance" == D. Lance Robinson wrote: Lance> In that case, I would: Lance> 1) Do a normal shutdown of the machine Lance> 2) Disconnect the bad drive Lance> 3) Power up the system *grin* now I'm sure I read somewhere that RAID was meant to lessen the number of re

Re: Please help - when is a bad disk a bad disk?

2000-04-11 Thread D. Lance Robinson
Darren Nickerson wrote: > +> 4. is there some way to mark this disk bad right now, so that > +> reconstruction is carried out from the disks I trust? I do have a hot > +> spare . . . > > Lance> You can use the 'raidhotremove' utility. > > This has never worked for me when the disk had n

Re: Please help - when is a bad disk a bad disk?

2000-04-11 Thread Darren Nickerson
> On Tue, 11 Apr 2000, "Lance" == D. Lance Robinson wrote: Lance> So, if the md driver doesn't fail a drive that is because the lower Lance> levels have taken care of all the nitty details and have supposedly Lance> performed the requested data transfer correctly. As long as the actua

Re: Please help - when is a bad disk a bad disk?

2000-04-11 Thread D. Lance Robinson
I hope this helps. See below. <>< Lance. > my questions are: > > 2. the disk seems to be "cured" by re-enabling DMA . . . but what is the state > of my array likely to be after the errors above? Can I safely assume this was > harmless? I mean, they WERE write errors after all, yes? Is my array

Re: Please help - when is a bad disk a bad disk?

2000-04-11 Thread Darren Nickerson
> On Mon, 10 Apr 2000, "Darren" == Darren Nickerson wrote: Darren> 4. is there some way to mark this disk bad right now, so that Darren> reconstruction is carried out from the disks I trust? I do have a hot Darren> spare . . . Things are more and more frightening: EXT2-fs warning (de

Please help - when is a bad disk a bad disk?

2000-04-10 Thread Darren Nickerson
Folks, I've been running four 37GB IBM drives in a Raid5 array for several months now. They're driven by two Promise Ultra66 ide controllers, and I'm running 2.2.13ac2 with Andre Hedrick's ide.2.2.13.1999.patch (see another thread - I'm considering upgrading but am not sure of the current st