Bug 202752

Summary: scsi-bus scanning causes errors with EMC Clariion 'passive' LUNs
Product: Red Hat Enterprise Linux 4 Reporter: Mimmus <viggiani>
Component: kernelAssignee: Tom Coughlan <coughlan>
Status: CLOSED WONTFIX QA Contact: Brian Brock <bbrock>
Severity: medium Docs Contact:
Priority: medium    
Version: 4.4CC: coughlan, davidz, dledford, jbaron, lunix, michael.hagmann, sbhatia, sputhenp
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Hardware: i386   
OS: Linux   
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Fixed In Version: Doc Type: Bug Fix
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Last Closed: 2012-06-20 16:09:00 UTC Type: ---
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Description Flags
System log none

Description Mimmus 2006-08-16 09:34:11 UTC 
Description of problem:
full scanning of scsi-bus after startup of haldaemon causes a lot of errors if
some scsi devices are 'passive' LUNs of an active-passive array (EMC Clariion CX700)

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


How reproducible:
always

Steps to Reproduce:
1. Reboot

Actual results:
Aug 16 11:27:54 egeo haldaemon: haldaemon startup succeeded
Aug 16 11:27:54 egeo kernel: Device sdab not ready.
Aug 16 11:27:54 egeo kernel: end_request: I/O error, dev sdab, sector 0
Aug 16 11:27:54 egeo kernel: Buffer I/O error on device sdab, logical block 0
Aug 16 11:27:54 egeo kernel: Device sdab not ready.
Aug 16 11:27:54 egeo kernel: end_request: I/O error, dev sdab, sector 512
Aug 16 11:27:54 egeo kernel: Buffer I/O error on device sdab, logical block 64
Aug 16 11:27:54 egeo kernel: Buffer I/O error on device sdab, logical block 65
Aug 16 11:27:54 egeo kernel: Buffer I/O error on device sdab, logical block 66
Aug 16 11:27:54 egeo kernel: Buffer I/O error on device sdab, logical block 67
Aug 16 11:27:54 egeo kernel: Buffer I/O error on device sdab, logical block 68
Aug 16 11:27:54 egeo kernel: Buffer I/O error on device sdab, logical block 69
Aug 16 11:27:54 egeo kernel: Buffer I/O error on device sdab, logical block 70
Aug 16 11:27:54 egeo kernel: Buffer I/O error on device sdab, logical block 71
Aug 16 11:27:54 egeo kernel: Device sdab not ready.
Aug 16 11:27:54 egeo kernel: end_request: I/O error, dev sdab, sector 512
Aug 16 11:27:54 egeo kernel: Buffer I/O error on device sdab, logical block 64

Expected results:
No errors in syslog

Additional info:
Comment 1 Mimmus 2006-08-16 09:34:11 UTC 
Created attachment 134286 [details]
System log
Comment 2 David Zeuthen 2006-10-19 16:33:02 UTC 
Looks like a kernel issue to me.
Comment 6 Satish Bhatia 2008-12-24 18:09:07 UTC 
I am also coming across the same error on 4.7.
When do you anticipate to have a fix on this
Comment 7 Jiri Pallich 2012-06-20 16:09:00 UTC 
Thank you for submitting this issue for consideration in Red Hat Enterprise Linux. The release for which you requested us to review is now End of Life. 
Please See https://access.redhat.com/support/policy/updates/errata/

If you would like Red Hat to re-consider your feature request for an active release, please re-open the request via appropriate support channels and provide additional supporting details about the importance of this issue.