Bug 507332

Summary: Kernel update breaks root on multipathed installation
Product: Red Hat Enterprise Linux 5 Reporter: Frank de Groodt <frank.de.groodt>
Component: mkinitrdAssignee: Peter Jones <pjones>
Status: CLOSED INSUFFICIENT_DATA QA Contact: Release Test Team <release-test-team-automation>
Severity: medium Docs Contact:
Priority: low    
Version: 5.3CC: ddumas
Target Milestone: ---   
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Hardware: All   
OS: Linux   
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Fixed In Version: Doc Type: Bug Fix
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Last Closed: 2011-02-15 19:46:58 UTC Type: ---
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description Flags
initrd created by the kernel update. none

Description Frank de Groodt 2009-06-22 11:56:24 UTC 
Description of problem:

Updating the kernel breaks mpath enable root installation. 

Version-Release number of selected component (if applicable):

5.3

How reproducible:

Install a system with linux mpath kernel option and update the kernel after install.

Steps to Reproduce:
1. Install machine with linux mpath kernel option.
2. Put root on mpathed fs.
3. Update the kernel.
  
Actual results:

LVM sees duplicate pv's and system drops to maintenance mode.

Expected results:

An updated kernel...

Additional info:

I've attached the updated initrd.
Comment 1 Frank de Groodt 2009-06-22 11:58:07 UTC 
Created attachment 348881 [details]
initrd created by the kernel update.
Comment 2 David Cantrell 2010-07-02 03:27:57 UTC 
Please attach your grub.conf file, fstab file, and output of the multipath command so we can see what your root filesystem lives on.
Comment 3 David Cantrell 2011-02-15 19:46:58 UTC 
Unable to debug further without information requested in comment #2.