LinuxQuestions.org
Visit Jeremy's Blog.
Go Back   LinuxQuestions.org > Forums > Linux Forums > Linux - Hardware
User Name
Password
Linux - Hardware This forum is for Hardware issues.
Having trouble installing a piece of hardware? Want to know if that peripheral is compatible with Linux?

Notices

Reply
 
Search this Thread
Old 10-20-2004, 04:45 PM   #1
jtafilagi
LQ Newbie
 
Registered: Oct 2004
Posts: 2

Rep: Reputation: 0
multiple luns assigning on FastT600


Hi,
I'm having problems picking up additional storage that is
assign from the Fastt600 to any blades in my blade center. I'm
booting off the SAN but thats the only partiton I can see. During
installation disk druid see's only a LUN ( the bootup LUN ) after
installation it does not see other LUN assigned. I'm using
RedHat Linux Advance Server 3.0 update 2. The HBA on the
Blade is a qlogic card ..QLA2300..I've tried running kudzu to pick
the addition partitions. I've assign the LUN in this order bootup
lun -0 addition partition lun-1..the bootup partiton
is /dev/sda ..so i tried a long shot to fdisk /dev/sdb through
till /dev/sdz..all to no avail ... when dmesg is run .. i can see the
boot up Lun ... any help or advice ..would be highly appreciated

joshua
 
Old 10-20-2004, 10:52 PM   #2
finegan
Guru
 
Registered: Aug 2001
Location: Dublin, Ireland
Distribution: Slackware
Posts: 5,700

Rep: Reputation: 57
This might do it:

http://www.clockwatching.net/~fin/ra...an-scsi-bus.sh

But I doubt it...

Really, it sounds like you need the kernel option:

CONFIG_SCSI_MULTI_LUN:

That will probe all LUNs on each scsi device, its probably not on a default RH install kernel knowing their typical timidity.

Aside from that, what does "dmesg" say with regard to the qlogic load?

Cheers,

Finegan
 
Old 10-21-2004, 04:18 AM   #3
jtafilagi
LQ Newbie
 
Registered: Oct 2004
Posts: 2

Original Poster
Rep: Reputation: 0
Finegan ...
thanks for the script but it did not find new luns. Dmesg finds the qlogic card ..finds lun 0 ( the boot lun ) ..Loads lun 0 but does not find other lun/scsi partitions. I don't know where i'm going wrong ... i 've loaded the system with Windows and windows picks up all the partitions.
I've been to the qlogic and ibm site regarding how to install on linux .. still can't find something i'm doing wrong ...thanks again for the help
 
Old 10-21-2004, 05:36 PM   #4
finegan
Guru
 
Registered: Aug 2001
Location: Dublin, Ireland
Distribution: Slackware
Posts: 5,700

Rep: Reputation: 57
Its an install kernel vs stock kernel issue. The problem is that the install kernel is slimmed down so that the option to probe all LUNs on boot isn't compiled in. I'm 90% certain the kernel you install will see everything properly, but this is a hangup for installation. Its not something I think you can work around unless you want to make a special boot kernel (which I recommend entirely, but don't know the parameters of how your work would look upon that), or you can tell RHEL support they're daft monkeys and that they need to shoot you a new boot kernel.

Cheers,

Finegan
 
Old 02-11-2005, 08:48 AM   #5
louiscastoria
LQ Newbie
 
Registered: Oct 2003
Posts: 5

Rep: Reputation: 0
I had to setup a linux server using a san this week and ran into the same problem you had. The script worked for me. I did have to modify it. LUN 9 was assigned to the linux server. The script will only scan the first 7. I made a change in the script to scan 0 thru 9 and it worked. It created the dev as sdc. I fdisked and made the file system and its working great. You do have to run the script every time you boot the system. I just kicked off the script and mount the file system from rc.local. You do need to run the script like this rescan-scsi-bus.sh -l -w --color --nooptscan. I hope this helps....
 
  


Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is Off
HTML code is Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
assigning multiple device aliases to single drive cerealdaemon Linux - General 5 07-25-2005 11:55 PM
assigning multiple ip's to nic ? pingu_penguin Linux - Networking 2 05-14-2005 09:00 PM
Multiple LUNS on Mandrake 10 wihiker Linux - Hardware 0 02-10-2005 05:56 AM
Can't see multiple LUNS with RH7.2 stunji Linux - Hardware 2 10-20-2003 08:46 AM
How to configure Linux to support multiple LUNs? troyzeng Linux - Hardware 1 09-03-2003 11:58 PM


All times are GMT -5. The time now is 11:24 AM.

Main Menu
My LQ
Write for LQ
LinuxQuestions.org is looking for people interested in writing Editorials, Articles, Reviews, and more. If you'd like to contribute content, let us know.
Main Menu
Syndicate
RSS1  Latest Threads
RSS1  LQ News
Twitter: @linuxquestions
identi.ca: @linuxquestions
Facebook: linuxquestions Google+: linuxquestions
Open Source Consulting | Domain Registration