Re: Misleading mdrun error msg

2000-07-07 Thread Patrik Schindler
At 21:21 Uhr + 07.07.2000, Torsten Kuehn wrote: >I received an obscure 'bad parameter' error msg with 'mdrun -p5 /dev/md0' >(after successful 'mdadd /dev/md0 /dev/sda2 /dev/sdb1 /dev/sdc1'). Ker- >nel error log revealed 'md: 08:02: invalid raid superblock magic (0) on block..' >Item 1b. c) is

Re: Reconstruction to Spare disk fails

2000-07-06 Thread Patrik Schindler
At 9:30 Uhr -0400 06.07.2000, Tamas Acs wrote: >I"ve been running simulations on our RAD 1 box. I pulled out a drive >(they're hot-swappable) and it starts reconstruction on the spare disk but >after a while the machine hangs with scsi bus timeouts and resets. This sounds like typical SCSI cabl

Re: big raid5

2000-07-05 Thread Patrik Schindler
At 17:25 Uhr -0700 05.07.2000, Ben wrote: >> So I can't get your point. >Well, unfortunately we're using IDE drives, each connected to an IDE/SCSI >adapter Okay, this wasn't clear. Sorry. >> Simply test by copying something onto it, sync, work otherwise so the >> kernel buffers get flushed and

Re: big raid5

2000-07-05 Thread Patrik Schindler
On Wed, 5 Jul 2000, Ben wrote: > The drives are all connected on the same SCSI-2 bus (we care about > quantity and reliability, not speed), which is obviously not a > performance deamon but should work just fine. If you care for reability, you should probably end up in using some sort of hardwar

Re: Dell PERC2/SC

2000-07-05 Thread Patrik Schindler
>> Also how big of a raid partition is possible? I have a data partition need >> of 36 gigs plus. I set up a 50Gig+ Stripe with the old md code with kernel 2.2.12 a few months ago - no probs. :wq! PoC

Re: Hot Swapping disks (only somewhat on topic)

2000-07-05 Thread Patrik Schindler
At 14:58 Uhr -0400 05.07.2000, Robert wrote: >1. If a drive is not present when the machine is booted, but is inserted >after the machine is up, it can't be mounted. (You get a message that the >device is not a valid block device.) You must tell the Kernel about this new device. This is also men