[ale] Continuing Saga of Centos 5.6

Wed Aug 10 08:38:51 EDT 2011

But not if /boot is on LVM and grub does not read LVM.  It will not know where / lives.

 Sincerely,

Damon Chesser
SRP Linux/Red Hat Engineer
SunTrust, Core Integration Engineering
Apex Computer Systems Inc.
Cell 404-271-8699
dchesser at acsi2000.com<mailto:dchesser at acsi2000.com>

From: ale-bounces at ale.org [mailto:ale-bounces at ale.org] On Behalf Of Jim Kinney
Sent: Tuesday, August 09, 2011 6:29 PM
To: Atlanta Linux Enthusiasts
Subject: Re: [ale] Continuing Saga of Centos 5.6

yeah but kernel should be able to mount LVM for / partition.

???

Sounds like a flaky install aggravated by cosmic rays. Probably related to the 3ware controller.

Do a fresh install and this time walk very slowly through the partition set up process. If the partition setup doesn't see the 3ware raid mirror as a single drive, you may need to work in stages or dig for a better driver to use during install.

Hmm. Skinny down the process with a simple install just onto the software raid drive mirrors and skip the 3ware until after the install (unless you need the anaconda.log process for replication to another system). Then use manual tools to get 3ware driver module loaded in and create the partition and mount point, etc.
On Tue, Aug 9, 2011 at 4:59 PM, Chuck Payne <terrorpup at gmail.com<mailto:terrorpup at gmail.com>> wrote:
---------- Forwarded message ----------
From: Greg Clifton <gccfof5 at gmail.com<mailto:gccfof5 at gmail.com>>
Date: Tue, Aug 9, 2011 at 4:32 PM
Subject: Re: [ale] Continuing Saga of Centos 5.6
To: Atlanta Linux Enthusiasts <ale at ale.org<mailto:ale at ale.org>>

Ran rescue mode from DVD but still no joy. Got the following error message:
Booting Centos (2.6.18-238.e15)
root (hd1.0)
Filesystem type unknown, partition type 0x8e
kernel/vmlinuz-2.6.18-238.e15 ro root=/dev/volgroup00/logvol00 rhgb quiet
Error 17: cannot mount selected partition
Press any key to continue ...

On Tue, Aug 9, 2011 at 2:18 PM, Greg Clifton <gccfof5 at gmail.com<mailto:gccfof5 at gmail.com>> wrote:
>
> Boot is supposed to be on the mirrored WD drives on the mobo controller. The 3Ware controller is for the data drives which are also mirrored. I told the installer to install to the WD drives. I assume once I get it booting off the mobo, I can load the 3Ware drivers (if necessary) to get to the 3Ware RAID, but the installer did see the drives on the 3Ware, so maybe the drivers will have already installed.
> Thanks Jim,
> Going to try rescue now. If no go, I'll do a reinstall and babysit it more than I did last time to see if there was some error that happened with the previous install.
> Just curious, but what would cause Grub to choke during install? The disc check said it was a good burn, so maybe fingerprints on the disc? Cosmic rays?
> Greg
>
> On Mon, Aug 8, 2011 at 8:00 PM, Jim Kinney <jim.kinney at gmail.com<mailto:jim.kinney at gmail.com>> wrote:
>>
>> Is /boot in raid? Software raid is supported but hardware may require a kernel mod.
>>
>> That said, plain blinking underscore and no kernel failure data sounds like grub puked during mbr write in install.
>>
>> Use rescue on dvd and try grub unstall manually.
>>
>> Or zero first mb on drives and reinstall if you can't see anaconda.log in /root from rescue.
>>
>> On Aug 8, 2011 6:11 PM, "Greg Clifton" <gccfof5 at gmail.com<mailto:gccfof5 at gmail.com>> wrote:
>> > So I downloaded the isos and burned the discs, scanned the first DVD for
>> > errors and it passed, then ran the install for Server w/ GUI, entered the
>> > root pwd and the machine chewed on the 1st disc without ever asking for the
>> > 2nd. Eventually it said something like "successfully installed" remove DVD
>> > and reboot. When I reboot, all I get is a blinking underline cursor. I
>> > suspect that I need(ed) to load some driver for the hard drives during the
>> > install, but it seems strange that I don't get a "no boot device, reboot and
>> > select..." error or any kernel panic. Any suggestions?
>> >
>> > FYI, the configuration is:
>> > Mbd: Asus P7F-M
>> > CPU: Pentium Dual Core G6950
>> > RAM: 2x KINGSTON 2GB DDR3 1333MHZ ECC UNBUFF
>> > Boot HDD: 2x WD2503ABYX 250GB Enterprise SATA 7200rpm
>> > Data HDD: 2x Seagate 1TB Enterprise SATA ST1000NM0011
>> > Data Controller: 3WARE 9650SE-2LP KIT 2 PORT SATA II
>>
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>
Boot should be on ext3 or ext2, your file type 8e that Logical Volume
File System.

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