[dm-devel] ERROR: asr: reading /dev/sdo[Input/output error]

[Christian May]

Am 07.12.2011 17:20, schrieb Heinz Mauelshagen:
> On 12/07/2011 04:21 PM, Christian May wrote:
>> Hi,
>>
>> I've setup an IBM HS21 blade with RHEL6.1. The OS installed on a 
>> DS5100 storage server (SAN boot).
>> During booting I'm recognizing the following messages:
>>
>> Starting udev: OK
>> Setting hostname elm8a203.beaverton.ibm.com:
>> ERROR: asr: reading /dev/sdo[Input/output error]
>> ERROR: ddf1: reading /dev/sdo[Input/output error]
>> ERROR: ddf1: reading /dev/sdo[Input/output error]
>> ERROR: hpt37x: reading /dev/sdo[Input/output error]
>> ERROR: hpt45x: reading /dev/sdo[Input/output error]
>> ERROR: isw: reading /dev/sdo[Input/output error]
>> ERROR: jmicron: reading /dev/sdo[Input/output error]
>> ERROR: lsi: reading /dev/sdo[Input/output error]
>> ERROR: nvidia: reading /dev/sdo[Input/output error]
>> ERROR: pdc: reading /dev/sdo[Input/output error]
>> ...
>>
>> ERROR: sil: reading /dev/sdf[Input/output error]
>> ERROR: via: reading /dev/sdf[Input/output error]
>> ERROR: asr: reading /dev/sde[Input/output error]
>> ERROR: ddf1: reading /dev/sde[Input/output error]
>> ERROR: ddf1: reading /dev/sde[Input/output error]
>> ERROR: hpt37x: reading /dev/sde[Input/output error]
>> ERROR: hpt45x: reading /dev/sde[Input/output error]
>> ERROR: isw: reading /dev/sde[Input/output error]
>> ERROR: jmicron: reading /dev/sde[Input/output error]
>> ERROR: lsi: reading /dev/sde[Input/output error]
>> ERROR: nvidia: reading /dev/sde[Input/output error]
>> ERROR: pdc: reading /dev/sde[Input/output error]
>> ERROR: pdc: reading /dev/sde[Input/output error]
>> ERROR: pdc: reading /dev/sde[Input/output error]
>> ERROR: pdc: reading /dev/sde[Input/output error]
>> ERROR: pdc: reading /dev/sde[Input/output error]
>> ERROR: pdc: reading /dev/sde[Input/output error]
>>
>>
>> etc.
>>
>> All those device /dev/sd...are part of a multipath devices, e.g.:
>>
>>
>> mpathh (3600a0b800047e4e4000008b54ebc91c3) dm-6 IBM,1818      FAStT
>> size=25G features='1 queue_if_no_path' hwhandler='1 rdac' wp=rw
>> |-+- policy='round-robin 0' prio=6 status=active
>> | `- 3:0:3:0 sdh 8:112 active ready running
>> `-+- policy='round-robin 0' prio=1 status=enabled
>>   `- 4:0:2:0 sdo 8:224 active ghost running
>> mpathg (3600a0b800011573a00006da14a648a22) dm-0 IBM,1815      FAStT
>> size=4.8G features='1 queue_if_no_path' hwhandler='1 rdac' wp=rw
>> |-+- policy='round-robin 0' prio=6 status=active
>> | `- 4:0:1:1 sdn 8:208 active ready running
>> `-+- policy='round-robin 0' prio=1 status=enabled
>>   `- 3:0:0:1 sdc 8:32  active ghost running
>>
>>
>> OS is booting but how can I get rid of those messages? Is it 
>> udev-rules related?
>
> You have to deactivate dmraid with the "nodmraid" kernel command line 
> option in order to avoid its scanning leading to the above error 
> messages.
>
> Regards,
> Heinz
>
>>
>> Regards,
>>
>> Christian May (IBM)
>>
>>
>>
>> -- 
>> dm-devel mailing list
>> dm-devel at redhat.com
>> https://www.redhat.com/mailman/listinfo/dm-devel
>

This parameter is set already...it's not solving the problem:

[root at elm8a203 ~]# cat /boot/grub/menu.lst
# grub.conf generated by anaconda
#
# Note that you do not have to rerun grub after making changes to this file
# NOTICE:  You do not have a /boot partition.  This means that
#          all kernel and initrd paths are relative to /, eg.
#          root (hd0,0)
#          kernel /boot/vmlinuz-version ro root=/dev/mapper/mpathhp1
#          initrd /boot/initrd-[generic-]version.img
#boot=/dev/mpathh
default=0
timeout=15
splashimage=(hd0,0)/boot/grub/splash.xpm.gz
#hiddenmenu
title Red Hat Enterprise Linux Server (2.6.32-131.0.15.el6.i686)
         root (hd0,0)
         kernel /boot/vmlinuz-2.6.32-131.0.15.el6.i686 ro 
root=UUID=ad6570c8-5e2d-41f9-a228-85f9d68f00ce rd_NO_LUKS rd_NO_LVM 
rd_NO_MD rd_NO_DM LANG=en_US.UTF-8 SYSFONT=latarcyrheb-sun16 
KEYBOARDTYPE=pc KEYTABLE=de crashkernel=auto 
rdloaddriver=scsi_dh_alua,scsi_dh_rdac
         initrd /boot/initramfs-2.6.32-131.0.15.el6.i686.img
title Red Hat Enterprise Linux Server (2.6.32-131.17.1.el6.i686)
         root (hd0,0)
         kernel /boot/vmlinuz-2.6.32-131.17.1.el6.i686 ro 
root=UUID=ad6570c8-5e2d-41f9-a228-85f9d68f00ce rd_NO_LUKS rd_NO_LVM 
rd_NO_MD rd_NO_DM LANG=en_US.UTF-8 SYSFONT=latarcyrheb-sun16 
KEYBOARDTYPE=pc KEYTABLE=de crashkernel=auto 
rdloaddriver=scsi_dh_alua,scsi_dh_rdac
         initrd /boot/initramfs-2.6.32-131.17.1.el6.i686.img
title Red Hat Enterprise Linux (2.6.32-131.0.15.el6.i686)
         root (hd0,0)
         kernel /boot/vmlinuz-2.6.32-131.0.15.el6.i686 ro 
root=UUID=ad6570c8-5e2d-41f9-a228-85f9d68f00ce rd_NO_LUKS rd_NO_LVM 
rd_NO_MD rd_NO_DM LANG=en_US.UTF-8 SYSFONT=latarcyrheb-sun16 
KEYBOARDTYPE=pc KEYTABLE=de crashkernel=auto
         initrd /boot/initramfs-2.6.32-131.0.15.el6.i686.img
[root at elm8a203 ~]#