On Wed, 2008-04-02 at 16:58 +0100, Ian S. Worthington wrote: > Progress! > > Many thanks Mark for that new initrd, but unfortunately it didn't like it: > > RAMDISK: Couldn't find valid RAM disk image starting at 0. > VFS: Cannot open root device "VolGroup00/LogVol00" or unknown-block(0,0) > Please append a correct "root=" boot option > Kernel panic - not syncing: VFS: Unable to mount root fs on > unknown-block(0,0) > > > Peter's suggestion to change /etc/modprobe.conf though does result in a system > I can ipl at last, albeit it comes up without the new logical volume mounted. > > To fix that do I just need to mount it and run mkinird/zipl once more? >
Doesn't seem like you'd need to run it again from rescue mode, but it's worth a shot. Do you have any LVM errors during bootup with the new dasd range defined? > And is the rescue disk a good place to try and expand the file system for root > from? Any guidance on how to do that safely would be much appreciated. > Yes, if you're expanding the root filesystem, you have to do it from rescue mode. For RHEL/CentOS 4, check out http://www.redbooks.ibm.com/abstracts/sg247272.html , specifically section 11.1.5 on p. 150 (pdf p. 166). This talks about extending the LV and filesystem. Long story short, the command you want is ext2online. > Thanks. > > i > > ---------------------------------------------------------------------- > For LINUX-390 subscribe / signoff / archive access instructions, > send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or visit > http://www.marist.edu/htbin/wlvindex?LINUX-390 -- Brad Hinson <[EMAIL PROTECTED]> Sr. Support Engineer Lead, System z Red Hat, Inc. (919) 754-4198 ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390