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



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)



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

[root 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 elm8a203 ~]#



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