Re: CVU reporting error when checking for ASM storage

From: Mladen Gogala <mgogala_at_yahoo.com>
Date: Fri, 16 Jan 2015 14:47:12 -0500
Message-ID: <54B96AC0.2070803_at_yahoo.com>

Amir, you cannot just add Linux block devices to ASM. You need to "scsify" them. The best brief description is on Tim Hall's ORACLE-BASE site:

http://oracle-base.com/articles/linux/udev-scsi-rules-configuration-in-oracle-linux-5-and-6.php

On 01/16/2015 02:00 PM, Hameed, Amir wrote:
>
> Hi,
>
> I am installing Oracle Grid 12.1.0.2 on RHEL 6.5. When the
> Prerequisite Checks phase of OUI, it reported PRVF -5150 on ASM disks.
> When run CVU on the ASM disks, it reports an error as shown below.
> Below is an out from CVU with debugging enabled when it was run for
> one RAC node only:
>
> CV_TRACELOC=/tmp/cvutrace
>
> ./runcluvfy.sh comp ssa -n <node-name> -s /dev/oracleasm/grid/asmgrid02
>
> ==============================================
>
> Verifying shared storage accessibility
>
> Checking shared storage accessibility...
>
> ERROR: /dev/oracleasm/grid/asmgrid02
>
> Storage operation failed
>
> Shared storage check failed on nodes "usa0300lx566"
>
> Verification of shared storage accessibility was unsuccessful on all
> the specified nodes.
>
> ==============================================
>
> The CVU trace file shows the following error:
>
> OUTPUT><CV_ERR><SLOS_LOC>CVU00101</SLOS_LOC><SLOS_OP></SLOS_OP><SLOS_CAT>OTHEROS</SLOS_CAT><SLOS_OTHERINFO>*Cannot
> locate disk for
> '/dev/dm-50*'</SLOS_OTHERINFO></CV_ERR><CV_VRES>0</CV_VRES><CV_LOG>Exectask:getstorage
> success.</CV_LOG><CV_CMDLOG><CV_INITCMD>/tmp/CVU_12.1.0.2.0_oracle/exectask
> -getstorage */dev/oracleasm/grid/asmgrid02*
> </CV_INITCMD><CV_CMD>*realpath
> /dev/oracleasm/grid/asmgrid02*</CV_CMD><CV_CMDOUT>
> /dev/dm-50</CV_CMDOUT><CV_CMDSTAT>0</CV_CMDSTAT><CV_CMD>stat
> /dev/dm-50</CV_CMD><CV_CMDOUT>
> stat.st_mode:61B0</CV_CMDOUT><CV_CMDSTAT>0</CV_CMDSTAT><CV_CMD>fopen
> /proc/partitions</CV_CMD><CV_CMDOUT> 8 0 291991552 sda
>
> I am using udev rules and the rule defined is shown below:
>
> ACTION=="add|change",
> ENV{DM_UUID}=="mpath-360000970000192606068533031464134",
> SYMLINK+="oracleasm/grid/asmgrid02", GROUP="asmadmin", OWNER="oracle",
> MODE="0660"
>
> The Device alias exists as shown below:
>
> $ ls -ltr /dev/oracleasm/grid/asmgrid02
>
> The multipath device has proper permissions set:
>
> cd /dev/oracleasm/grid
>
> $ ls -ltr
>
> total 0
>
> lrwxrwxrwx 1 root root 11 Jan 16 13:37 asmgrid02 -> ../../dm-50
>
> $ ls -ltr ../../dm-50
>
> brw-rw---- 1 *oracle asmadmin* 253, 50 Jan 16 13:37 ../../dm-50
>
> Any idea what might be wrong here?
>
> Thanks,
>
> Amir
>

-- 
Mladen Gogala
Oracle DBA
http://mgogala.freehostia.com


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Received on Fri Jan 16 2015 - 20:47:12 CET