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Full Discussion: problem booting
Top Forums UNIX for Dummies Questions & Answers problem booting Post 302276122 by otheus on Tuesday 13th of January 2009 05:02:59 AM
Old 01-13-2009
The problem is a Linux-idiot-proof method of assigning SCSI disk IDs... it does so in reverse order. So what was sda is now sdb and what you added is probably sda. There are several fixes for this, but first to get your system to boot, you should burn a "rescue CD" and boot from it, manually mount what was originally your root partition, and change the fstab file so that the mountpoints match the new SCSI letter designations.

There are two general ways of fixing this problem. One is to assign a "label" to each filesystem and change fstab to mount these filesystem labels. The other method is to configure the udev scripts so that a particular disk UUID gets mapped to a particular drive letter.

I'll wave my hands professorally, but if you need further help, just follow up.
 

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LEARN ABOUT SUSE

tgt-setup-lun

tgt-setup-lun(8)					      System Manager's Manual						  tgt-setup-lun(8)

NAME

       tgt-setup-lun - creates a target, adds a device to the target and defines initiators that can connect to the target

SYNOPSIS

       tgt-setup-lun -d device -n target_name [initiator_IP1 initiator_IP2 ...] [-h]

DESCRIPTION

       Starts tgtd if necessary and creates a target according to the supplied target_name. The format of the target name is as follows:
       iqn.2001-04.com.<hostname>-<target_name> The target name must be unique.

       The  script then adds the requested device to the target. If specific IP addresses are defined, it adds them to the list of allowed initia-
       tors for that target. If no IP addresses is defined, it defines that the target accepts any initiator.

EXAMPLES

       Create a target that uses /dev/sdb1 and allows connections only from 192.168.10.81:
       tgt-setup-lun -d /dev/sdb1 -n my_target 192.168.10.81

       Create a target that uses /dev/sdb1 and allows connections only from 192.168.10.81 and 192.168.10.82:
       tgt-setup-lun -d /dev/sdb1 -n my_target 192.168.10.81 192.168.10.82

       Create a target that uses /dev/sdb1 and allows connections from any initiator:
       tgt-setup-lun -d /dev/sdb1 -n my_target

       Display help:
       tgt-setup-lun -h

AUTHOR

       Written by Erez Zilber

REPORTING BUGS

       Report bugs to <erezz@voltaire.com>.

COPYRIGHT

       Copyright (C) Voltaire Ltd. 2008.

																  tgt-setup-lun(8)
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