Re: [CentOS] install problem - SOLVED

[Chuck Campbell]

On 4/9/2015 6:12 PM, Chuck Campbell wrote:
 On 4/9/2015 4:57 PM, John R Pierce wrote:
 On 4/9/2015 2:44 PM, Chuck Campbell wrote:
 I don't think this made it to the list yesterday. At least I never 
 saw it show up.
 it showed up here.dunno what to suggest.

 maybe install 5.11 on a VM somewhere with the same package set and 
 architecture (on the blown system, /var/log/rpmpkgs, then copy 
 everything in /bin ?   boot the target system with a rescue OS, mount 
 your OS root as /mnt or something, and copy that backup to /mnt/bin ?


 this won't be perfect unless you know exactly what RPMs were installed 
 on the blown system, but its probably better than nothing.

 I dunno.  I think I'd install a new box with 6 or 7, and migrate over 
 whatever app stuff you need.


 I'll try running the install again. I did this exact same thing a year 
 ago, and all worked fine. The only difference was that I didn't 
 partition the disk this time, and I preserved one partition's data. I'll 
 back it up and just go the whole route with a format and partition in 
 the installer and see if it works.

 It is strange that it finds the /boot partition to get the gtub.conf, 
 but can't see the initrd and vmlinuz files there...

 -chuck


The machine was seeing the disks in a different order when running the DVD
install, than when it tried to boot itself.

-chuck

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[CentOS] install problem

[Chuck Campbell]

I shot myself in the foot today. I had a centos 5.11 install running fine. Doing
a backup, I overwrote the /bin directory by mistake.

I couldn't get my machine to recognize a centos 6.5 or 6.6 install dvd, so I put
in the original centos 5.10 install disc and re-installed. No problem. During
the text installer, I told it to install grub on /dev/sdc1, which is /boot. My
raid arrays with lots of data (still intact) are /dev/sda and /dev/sdb, so I
didn't want it to install grub on the MBR of /dev/sda.

When I power it on, the kernel selection comes up, I select the (only) kernel
and it says:
Booting 'Centos (2.6.18-371.el5)'

root (hd2,0)
filesystem type is ext2fs, partition type is 0x83
kernel /vmlinuz-2.6.18-371.el5 ro root=LABEL=/ rhgb quiet

Error 15: file not found

Press any key to continue

So it is finding the /boot/grub/grub.conf and reading it correctly.
/boot (/dev/sdc1) actually contains the vmlinux-2.6.18-371.el5 file as well as
all the other related files that belong there.

I installed onto the same hard disk that the last OS was on, reformatting the /,
/boot, /usr partitions and installing to them. /boot is /dev/sdc1 and / is on
/dev/sdc5. No errors or problems in the install.

should the root (hd2,0) line above actually read root (hd2,4) where the real /
partition is (/dev/sdc5)??

I booted linux rescue with the 5.10 install disk, and I see that the
/boot/grub/grub.conf file looks correct, and all the correct files are there in
/boot. I am confused and don't know what to do next.

thanks,
-chuck

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