Jason
At 04:31 PM 3/19/2003 -0600, Chris Oubre wrote:
Ok I booted into a node via rescue mode from a Red Hat 7.2 installation CD. I noticed that there are certain files missing.
There is no /etc/lilo.conf /boot/map
And no ramdisk
Where does OSCAR keep these files? They are also not in the /var/lib/systemimager/images/oscarimage/ tree on the master node.
This seems odd because I get the LIL- error message and that seems to me that it is loading a lilo.conf file but I cannot find that file anywhere on the nodes.
|-----Original Message----- |From: Keller, Gregory W xNON-EMPLOYEEx |[mailto:[EMAIL PROTECTED] |Sent: Wednesday, March 19, 2003 12:50 PM |To: '[EMAIL PROTECTED]' |Cc: '[EMAIL PROTECTED]' |Subject: Re: OSCAR cluster dead after simple changes | | |Chris, |The change to the switch is irrelevent. Until LILO |bootstraps the kernel your network card isn't a factor |- so unless your diskless or using PXE to boot over |the network, this is an install problem on the local disks. | |Check out this link: |http://user.fundy.net/cyclist/linux/troubleshoot-LILO.html | |Here is an excerpt that will point us in the right direction: | () No part of LILO has been loaded. LILO either |isn't installed | or the partition on which its boot sector is |located isn't active. | L ... The first stage boot loader has been |loaded and started, | but it can't load the second stage boot loader. |The two-digit error | codes indicate the type of problem. (See also |section "Disk error | codes".) This condition usually indicates a media |failure or a geometry | mismatch (e.g. bad disk parameters, see section |"Disk geometry"). | LI The first stage boot loader was able to load |the second stage boot | loader, but has failed to execute it. This can |either be caused by a | geometry mismatch or by moving /boot/boot.b |without running the map | installer. | LIL The second stage boot loader has been |started, but it can't load | the descriptor table from the map file. This is |typically caused by a | media failure or by a geometry mismatch. | LIL? The second stage boot loader has been loaded |at an incorrect | address. This is typically caused by a subtle |geometry mismatch or by | moving /boot/boot.b without running the map installer. | LIL- The descriptor table is corrupt. This can |either be caused by a | geometry mismatch or by moving /boot/map without |running the map | installer. | LILO All parts of LILO have been successfully loaded. | |Let us know what you find - perhaps the installer is |having trouble with the map installer. | |Keep smiling, |Greg | | | Message: 2 | From: "Chris Oubre" <[EMAIL PROTECTED]> | To: <[EMAIL PROTECTED]> | Date: Tue, 18 Mar 2003 17:24:18 -0600 | Subject: [Oscar-users] OSCAR cluster dead after |simple changes | | We are currently working on a nasty problem |with our OSCAR cluster. | | I am running OSCAR 2.1 on RedHat 7.2 with a |modified kernel to | accommodate for my e1000 gigabit cards and |mylex hardware RAID. | | First the problem. | We recently received some new nodes for our |Beowulf cluster. We | brought the cluster down to install them. We |installed an additional | network card to the switch, and manually moved |the position of the | old nodes in the rack. When we rebooted up the |cluster (master and | old nodes), ALL of the old nodes do not boot |up. They stop at a | screen that says | | | LIL- | | I have removed the additional card from the |switch and tried rebooting | everything. No Joy | I am able to ping the master node from the |switch and vice-versa. | | If you could give some ideas of where to look? |Or do I need to | completely reinstall? I'd rather avoid the |reinstall because I do not | know what cause the crash, and thus would be |susceptible to a | reoccurrence. | | | |**************************************************** |Christopher D. Oubre * |email: [EMAIL PROTECTED] * |research: http://cmt.rice.edu/~coubre * |Web: http://www.angelfire.com/la2/oubre * |Hangout: http://pub44.ezboard.com/bsouthterrebonne * |Phone:(713)348-3541 Fax: (713)348-4150 * |Rice University * |Department of Physics, M.S. 61 * |6100 Main St. ^-^ * |Houston, Tx 77251-1892, USA (O O) * |-= Phlax=- ( v ) * |************************************m*m************* | | |
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