PowerEdge, PowerVault, and Linux

Jimmy Henson jhenson at connecterra.com
Thu Nov 21 13:10:00 CST 2002


I just wanted to say a big THANK YOU to Andy for his recommendation of a new SCSI cable.  After hearing from Andy, I went out and bought a $90, gold-plated, 3' cable, and my array has been stable ever since I started using it.
-J

> -----Original Message-----
> From: Rechenberg, Andrew [mailto:arechenberg at shermfin.com]
> Sent: Monday, November 18, 2002 10:56 AM
> To: jhenson at connecterra.com; linux-poweredge at dell.com
> Subject: RE: PowerEdge, PowerVault, and Linux
> 
> 
> Check your SCSI cables.
> 
> I know that sounds cliché, but we had almost half of a PowerVault 220S go
> offline recently (5 of 7 drives were flashing orange).  Only one of the
> drives had to be replaced, the rest were fine once we replaced the SCSI
> cable to that side of the Vault and brought them back online with the PERC
> BIOS.  Luckily we were running RAID10 so we didn't lose any data :)
> 
> If you have the cable pinched or crimped somewhere, or a pin in the
> connector is bent it can cause all kinds of havoc.
> 
> Good luck,
> Andy.
> 
> 
> -----Original Message-----
> From: Jimmy Henson [mailto:jhenson at connecterra.com]
> Sent: Monday, November 18, 2002 9:35 AM
> To: linux-poweredge at dell.com
> Subject: PowerEdge, PowerVault, and Linux
> 
> 
> Our company recently acquired a used PowerVault 200S, loaded with brand
> new 18.2 GB Cheetah drives.  This past weekend I connected the unit to our
> Dell PowerEdge 1400SC server, which has been our main file server for a
> little less than 1 year.  The server is configured with a PERC3/DCL SCSI
> adaptor, and the server already has 4x18.2 GB drives configured as a RAID
> 5 with one hot-standby drive.
> 
> In order to successfully partition the new PowerVault array, I updated the
> firmware/bios on the PERC card to the latest, and I also updated the OS on
> the file server to RH 8.0.  With these upgrades, I had no problem
> formatting the PowerVault with fdisk, and no problem with creating ext3
> filesystems, using mkfs.  The new array is configured as a RAID5.
> 
> Now here's where it gets interesting.  About 9 hours into a copy (copying
> files onto the new array), 2 of the 8 drives in the PowerVault crashed.  I
> say "crashed" meaning that their LED status lights turned from green to
> orange. I was able to bring the drives back online using WebBIOS, but I
> have no idea why they would have crashed in the first place.
> 
> Obviously the crash is troubling.  Can anyone advise on potential work
> arounds and/or tests that I could conduct to isolate the problem(s)?
> 
> Many thanks,
> Jimmy
> 
> Jimmy Henson
> ConnecTerra, Inc.
> 100 Cambridge Park Dr.
> Cambridge, MA 02140
> 617.441.2220
> 617.492.5837 fax
> 
> 
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