[nflug] Re: nflug Digest, Vol 27, Issue 25

Sun Dec 23 18:11:27 EST 2007

Not sure if this is anything. BUT, is the 0-4 pair the 1st pair in the list? Is it possible that that pair is some how a master, or control pair for the other arrays? ...  You might want to see if the array mapping is mirrored on any other pair besides the 0-4 pair, that could be a setting somewhere.

  I've had old hardware (DEC Alpha) that would not boot off a raid 5 on the initial drives - you could mirror them but nothing past that.  If you took the total set of drives and created a single raid 5 the unix/linuz varient would not recognize it (windows liked it though) - I ended up creating two arrays, the OS boot disks ended up living out side the data array for monitoring and configuration.  Not the most efficient usage of the disk drive space.  This was the dark ages though and more modern hardware might be better at working around this issue.

  Joe Lukasiewicz

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Today's Topics:

1. Re: Adaptec 2230S RAID Woes (Richard Hubbard)

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Message: 1
Date: Sun, 23 Dec 2007 07:13:58 -0800 (PST)
From: Richard Hubbard 
Subject: Re: [nflug] Adaptec 2230S RAID Woes
To: nflug at nflug.org
Message-ID: <261773.56446.qm at web36214.mail.mud.yahoo.com>
Content-Type: text/plain; charset="us-ascii"

This is a complete swag, but it sounds like the pair 0-4 is messed up, either one of the drives is bad (but that should show up as a red/orange light), or there might be a glitch on the controller itself.

What your describing on the pairs that aren't 0-4 is exactly how it should work. Is it still under warranty? Any possibility of getting it fixed/replaced?

Of course, I could be a little snarky and recommend the EXPRESSPCI UL5D DUAL-CHANNEL, ULTRA320, PCIe SCSI HOST ADAPTER from ATTO, (http://www.cdw.com/shop/search/results.aspx?key=+EPCI-UL5D-0R0&platform=All&sr=1&Find+it.x=44&Find+it.y=14 $516 from CDW ) with better tech support, and a second external scsi port, and 2 internal ports..

Richard Hubbard 
ATTO Technology Inc

----- Original Message ----
From: Robert Wolfe 
To: nflug at nflug.org
Sent: Friday, December 21, 2007 11:04:39 AM
Subject: [nflug] Adaptec 2230S RAID Woes

Ok, to begin with, let me begin by giving a little background.

System:
http://www.supermicro.com/products/system/2U/6025/SYS-6025B-8R+V.cfm
Motherboard: 
http://www.supermicro.com/products/motherboard/Xeon1333/5000V/X7DVA-E.cfm
SCSI Controller: 
http://www.adaptec.com/en-US/products/scsi/ultra320_pcix/ASR-2230S/index.htm

These servers have 8 73GB SCSI drives in them, numbered 0 to 7 in the 
following order in the servers:

4 5 6 7
0 1 2 3

All drives are hot-swappable.

The OS on these servers is Debian 4.0r1 'Etch'.

Motherboard and controller BIOSes have been flashed to the latest rev
level.

There are 4 RAID arrays with drives paired off in the following manner 
(reference to 'diagram' above):

0-4, 1-5, 2-6, 3-7

Now here is my dilemma. Whenever I pull a drive from the 1-5, 2-6, and

3-7 pairs and then reseat the drive again, that particular array 
rebuilds itself quite nicely. However, BOTH drives in the 0-4 pair 
(which is my OS array on these particular servers), go red (ie the red 
error lights come on). My question is is that I am not understanding 
why a drive pulled in one array should affect the drive(s) in another 
totally different array.

Any ideas anyone can give me at this point would be greatfully 
appreciated as Adaptec technical support is pretty much useless at this

point. Hopefully I didn't give too much detail here :)

TIA!

--
Robert Wolfe
Systems Administrator
LocalNet Corp.
CoreComm Internet Services
(517) 664-8924

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