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 sdaI 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
