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Old 04-20-2007, 12:54 PM   #1
Registered: Oct 2003
Location: Montreal Qc, Canada
Posts: 105

Rep: Reputation: 15
Unhappy Advanced Maintenance Mode limited shell

Hello there,

I have a e server model 7026-B80 runing on AIX 5.3L.
I decided to install a FIX for the OS andthe installation failed. I rebooted the machine and now i cant login anymore because the filesystem "/" is apparently full. I have a message saying:

telnetd: failed to write to /etc/utmp: There is not enough space in the file system.
/dev/pts/0: 3004-004 You must "exec" login from the lowest login shell.

everytime i want to login.

I only have the AIX 5.2L Cds so i boot into the SMS menu and I select Install devices / CDROM.
I am able to access the opion 3)Maintenance and recovery mode but I cannot select the Root Volume group because i have another error message saying that there is no root volume group found on any of the disks.

Instead I choose the advanced maintenance mode and i can open a Limited shell. But now I am stuck at this shell not knowing what to do.

lspv detects all my disks, but they seems to be unmounted. I tried entering the command mount /dev/hdisk0 /mnt/root (directory i created myself) but again i have an error message..

So my question is: Is there a way to mount my disks in that limited shell knowing that smitty does not work in that shell?

Thanks a lot.

My goal is to be able to mount my hdisk0 (rootvg) and expand it using chfs -a -size=+8192 /

Last edited by Doomhammer; 04-20-2007 at 12:57 PM.
Old 06-21-2007, 04:17 AM   #2
Registered: Aug 2005
Location: Texas
Distribution: Redhat FC4, Fedora 8 and AIX 5.3, AIX 6.1
Posts: 39

Rep: Reputation: 16

What you are trying to do will not work you will need to have the 5.3 media to be able to see the proper boot disk since you don't have that you can call IBM to get some refresh media so that you can boot the system up in maintenance mode and choose the option of "Access this Volume Group and start a shell" which will alow you to run the chfs command to change the size of the lv and the fs to give you more room in /. If not if you have done a mksysb image of the 5.3 image to tape you can boot off of that tape to be able to get to maintenance mode to be able to change the size of your lv and fs with the chfs command.


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