Hi


Â*


I am with one problem that I couldn’t
find solution at the intenet.


Â*


My server is HP ML 110 G5 with Embedded
Raid. By lspci , I can see that Â*it’s a Â*“RAID bus
controller: Intel Corporation 82801 SATA RAID Controller (rev 02)�. I am
using centos 5


Â*


I can see that RAID is not working because
there isn´t volume at /dev/mapper/, just “control�.


Â*


“[Backup_DrClin ~]# cd /dev/mapper/


[Backup_DrClin mapper]# ls


control


[Backup_DrClin mapper]#�


Â*


Â*


The device mapper was load at boot:


Â*


Â*


[Backup_DrClin log]# grep device-mapper
dmesg


device-mapper: uevent: version 1.0.3


device-mapper: ioctl: 4.11.5-ioctl
(2007-12-12) initialised: dm-devel@redhat.com


device-mapper: multipath: version 1.0.5
loaded


[Backup_DrClin log]#


Â*


Â*


I Try to activate dmraid, but no work:


Â*


[Backup_DrClin mapper]# dmraid -ay


RAID set "ddf1_Raid_1_Mirror" was
not activated


ERROR: device
"ddf1_Raid_1_Mirror" could not be found


[Backup_DrClin mapper]#


Â*


I can see at logs : (/var/log/messages


Â*


FebÂ* 3 08:31:35 Backup_DrClin kernel:
device-mapper: table: 253:0: mirror: Device lookup failure


FebÂ* 3 08:31:35 Backup_DrClin kernel:
device-mapper: ioctl: error adding target to table


FebÂ* 3 08:31:35 Backup_DrClin kernel:
device-mapper: ioctl: device doesn't appear to be in the dev hash table.


Â*


Â*


Â*


More info:


Â*


[Backup_DrClin log]# dmraid -s


*** Group superset .ddf1_disks


--> Subset


nameÂ*Â* : ddf1_Raid_1_Mirror


sizeÂ*Â* : 312237824


stride : 128


typeÂ*Â* : mirror


status : ok


subsets: 0


devsÂ*Â* : 2


spares : 0


[Backup_DrClin log]#


Â*


[Backup_DrClin log]# dmraid -r


/dev/sda: ddf1, ".ddf1_disks",
GROUP, ok, 312237856 sectors, data@ 0


/dev/sdb: ddf1, ".ddf1_disks",
GROUP, ok, 312237856 sectors, data@ 0


[Backup_DrClin log]#


Â*


Â*


[Backup_DrClin mapper]# dmraid -rD -d -d -d
-v -v -v


WARN: locking /var/lock/dmraid/.lock


NOTICE: /dev/sda:
asrÂ*Â*Â*Â* discovering


NOTICE: /dev/sda: ddf1Â*Â*Â*
discovering


NOTICE: creating directory dmraid.ddf1


NOTICE: writing metadata file
"sda.dat"


NOTICE: writing offset to file
"sda.offset"


NOTICE: writing size to file
"sda.size"


NOTICE: /dev/sda: ddf1 metadata discovered


NOTICE: /dev/sda: hpt37xÂ* discovering


NOTICE: /dev/sda: hpt45xÂ* discovering


NOTICE: /dev/sda:
iswÂ*Â*Â*Â* discovering


NOTICE: /dev/sda: jmicron discovering


NOTICE: /dev/sda:
lsiÂ*Â*Â*Â* discovering


NOTICE: /dev/sda: nvidiaÂ* discovering


NOTICE: /dev/sda:
pdcÂ*Â*Â*Â* discovering


NOTICE: /dev/sda:
silÂ*Â*Â*Â* discovering


NOTICE: /dev/sda:
viaÂ*Â*Â*Â* discovering


NOTICE: /dev/sdb:
asrÂ*Â*Â*Â* discovering


NOTICE: /dev/sdb: ddf1Â*Â*Â*
discovering


NOTICE: writing metadata file
"sdb.dat"


NOTICE: writing offset to file
"sdb.offset"


NOTICE: writing size to file
"sdb.size"


NOTICE: /dev/sdb: ddf1 metadata discovered


NOTICE: /dev/sdb: hpt37xÂ* discovering


NOTICE: /dev/sdb: hpt45xÂ* discovering


NOTICE: /dev/sdb:
iswÂ*Â*Â*Â* discovering


NOTICE: /dev/sdb: jmicron discovering


NOTICE: /dev/sdb:
lsiÂ*Â*Â*Â* discovering


NOTICE: /dev/sdb: nvidiaÂ* discovering


NOTICE: /dev/sdb:
pdcÂ*Â*Â*Â* discovering


NOTICE: /dev/sdb:
silÂ*Â*Â*Â* discovering


NOTICE: /dev/sdb:
viaÂ*Â*Â*Â* discovering


NOTICE: /dev/sdc:
asrÂ*Â*Â*Â* discovering


NOTICE: /dev/sdc: ddf1Â*Â*Â*
discovering


NOTICE: /dev/sdc: hpt37xÂ* discovering


NOTICE: /dev/sdc: hpt45xÂ* discovering


NOTICE: /dev/sdc:
iswÂ*Â*Â*Â* discovering


NOTICE: /dev/sdc: jmicron discovering


NOTICE: /dev/sdc:
lsiÂ*Â*Â*Â* discovering


NOTICE: /dev/sdc: nvidiaÂ* discovering


NOTICE: /dev/sdc:
pdcÂ*Â*Â*Â* discovering


NOTICE: /dev/sdc:
silÂ*Â*Â*Â* discovering


NOTICE: /dev/sdc:
viaÂ*Â*Â*Â* discovering


INFO: RAID devices discovered:


Â*


/dev/sda: ddf1, ".ddf1_disks",
GROUP, ok, 312237856 sectors, data@ 0


/dev/sdb: ddf1, ".ddf1_disks",
GROUP, ok, 312237856 sectors, data@ 0


WARN: unlocking /var/lock/dmraid/.lock


[Backup_DrClin mapper]#


Â*


[Backup_DrClin /]# yum list dmraid*


Loading "installonlyn" plugin


Setting up repositories


Reading repository metadata in from local
files


Excluding Packages from CentOS-5 - Base


Finished


Excluding Packages from CentOS-5 - Updates


Finished


Excluding Packages from CentOS-5 - Addons


Finished


Excluding Packages from CentOS-5 - Extras


Finished


Installed Packages


dmraid.i386Â*Â*Â*Â*Â*Â*Â*Â*Â*Â*Â*Â*Â*Â*Â*Â*Â*Â*Â*Â *Â*Â*Â*Â*Â*Â*Â*Â*Â*
1.0.0.rc13-53.el5Â*Â*Â*Â*Â* installed


dmraid-events.i386Â*Â*Â*Â*Â*Â*Â*Â*Â*Â*Â*Â*Â*Â*Â*Â*Â*Â*Â*Â *Â*Â*
1.0.0.rc13-53.el5Â*Â*Â*Â*Â* installed


Available Packages


dmraid-devel.i386Â*Â*Â*Â*Â*Â*Â*Â*Â*Â*Â*Â*Â*Â*Â*Â*Â*Â*Â*Â* Â*Â*Â*
1.0.0.rc13-53.el5Â*Â*Â*Â*Â* base


dmraid-events-logwatch.i386Â*Â*Â*Â*Â*Â*Â*Â*Â*Â*Â*Â*Â*
1.0.0.rc13-53.el5Â*Â*Â*Â*Â* base


[Backup_DrClin /]#


Â*


Could someone help me? I guess that must be
a Bug !


Â*


Thank´s


Â*


Â*


Ronei
Kliemann


Tec
System Sistemas Eletronicos LTDA


Fone/Fax:
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Â*


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On Wed, Feb 03, 2010 at 05:12:38PM -0200, Ronei Kliemann wrote:

Feb 3 08:31:35 Backup_DrClin kernel: device-mapper: table: 253:0: mirror: Device lookup failure

Feb 3 08:31:35 Backup_DrClin kernel: device-mapper: ioctl: error adding target to table

Feb 3 08:31:35 Backup_DrClin kernel: device-mapper: ioctl: device doesn't appear to be in the dev hash table.


modprobe dm-mirror?

L.

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