ERROR: PRVF-9802 : Attempt to get udev information from node "hract21" failed No UDEV rule found for device(s) specified Checking: cv/log/cvutrace.log.0 ERRORMSG(hract21): PRVF-9802 : Attempt to get udev information from node "hract21" failed No UDEV rule found for device(s) specified [Thread-757] [ 2015-01-29 15:56:44.157 CET ] [StreamReader.run:65] OUTPUT><CV_ERR><SLOS_LOC>CVU00310</SLOS_LOC><SLOS_OP> </SLOS_OP><SLOS_CAT>OTHEROS</SLOS_CAT> <SLOS_OTHERINFO>No UDEV rule found for device(s) specified</SLOS_OTHERINFO> </CV_ERR><CV_VRES>1</CV_VRES><CV_LOG>Exectask:getudevinfo success</CV_LOG> <CV_CMDLOG><CV_INITCMD>/tmp/CVU_12.1.0.1.0_grid/exectask -getudevinfo asmdisk1_10G,asmdisk2_10G,asmdisk3_10G,asmdisk4_10G </CV_INITCMD><CV_CMD>popen /etc/udev/udev.conf</CV_CMD><CV_CMDOUT></CV_CMDOUT><CV_CMDSTAT>0</CV_CMDSTAT> <CV_CMD>opendir /etc/udev/permissions.d</CV_CMD><CV_CMDOUT></CV_CMDOUT><CV_CMDSTAT>0</CV_CMDSTAT> <CV_CMD>opendir /etc/udev/rules.d</CV_CMD><CV_CMDOUT> Reading: /etc/udev/rules.d</CV_CMDOUT><CV_CMDSTAT>0</CV_CMDSTAT> <CV_CMD>popen /bin/grep KERNEL== /etc/udev/rules.d/*.rules | grep GROUP | grep MODE | sed -e '/^#/d' -e 's/\*/.*/g' -e 's/\(.*\)KERNEL=="\([^\"]*\)\(.*\)/\2 @ \1 KERNEL=="\2\3/' | awk '{if ("asmdisk1_10G" ~ $1 ) print $3,$4,$5,$6,$7,$8,$9,$10,$11,$12}' | sed -e 's/://' -e 's/\.\*/\*/g'</CV_CMD><CV_CMDOUT></CV_CMDOUT><CV_CMDSTAT>0</CV_CMDSTAT> .. [Worker 3] [ 2015-01-29 15:56:44.157 CET ] [RuntimeExec.runCommand:144] runCommand: process returns 0 [Worker 3] [ 2015-01-29 15:56:44.157 CET ] [RuntimeExec.runCommand:161] RunTimeExec: output> Run the exectask from OS prompt : [root@hract21 ~]# /tmp/CVU_12.1.0.1.0_grid/exectask -getudevinfo asmdisk1_10G,asmdisk2_10G,asmdisk3_10G,asmdisk4_10G <CV_ERR><SLOS_LOC>CVU00310</SLOS_LOC><SLOS_OP></SLOS_OP><SLOS_CAT>OTHEROS</SLOS_CAT><SLOS_OTHERINFO>No UDEV rule found for device(s) specified</SLOS_OTHERINFO></CV_ERR><CV_VRES>1</CV_VRES><CV_LOG>Exectask:getudevinfo success</CV_LOG> <CV_CMDLOG><CV_INITCMD>/tmp/CVU_12.1.0.1.0_grid/exectask -getudevinfo asmdisk1_10G,asmdisk2_10G,asmdisk3_10G,asmdisk4_10G </CV_INITCMD><CV_CMD>popen /etc/udev/udev.conf</CV_CMD><CV_CMDOUT></CV_CMDOUT><CV_CMDSTAT>0</CV_CMDSTAT> <CV_CMD>opendir /etc/udev/permissions.d</CV_CMD><CV_CMDOUT></CV_CMDOUT><CV_CMDSTAT>0</CV_CMDSTAT> <CV_CMD>opendir /etc/udev/rules.d</CV_CMD><CV_CMDOUT> Reading: /etc/udev/rules.d</CV_CMDOUT><CV_CMDSTAT>0</CV_CMDSTAT> <CV_CMD>popen /bin/grep KERNEL== /etc/udev/rules.d/*.rules | grep GROUP | grep MODE | sed -e '/^#/d' -e 's/\*/.*/g' -e 's/\(.*\)KERNEL=="\([^\"]*\)\(.*\)/\2 @ \1 KERNEL=="\2\3/' | awk '{if ("asmdisk1_10G" ~ $1 ) print $3,$4,$5,$6,$7,$8,$9,$10,$11,$12}' | sed -e 's/://' -e 's/\.\*/\*/g' </CV_CMD><CV_CMDOUT></CV_CMDOUT><CV_CMDSTAT>0</CV_CMDSTAT><CV_CMD>popen /bin/grep KERNEL== /etc/udev/rules.d/*.rules | grep GROUP | grep MODE | sed -e '/^#/d' -e 's/\*/.*/g' -e 's/\(.*\)KERNEL=="\([^\"]*\)\(.*\)/\2 @ \1 KERNEL=="\2\3/' | awk '{if ("asmdisk2_10G" ~ $1 ) print $3,$4,$5,$6,$7,$8,$9,$10,$11,$12}' | sed -e 's/://' -e 's/\.\*/\*/g' </CV_CMD><CV_CMDOUT></CV_CMDOUT><CV_CMDSTAT>0</CV_CMDSTAT> Test the exectask in detail: [root@hract21 rules.d]# cat /etc/udev/rules.d/*.rules | grep GROUP | grep MODE | sed -e '/^#/d' -e 's/\*/.*/g' -e 's/\(.*\)KERNEL=="\([^\"]*\)\(.*\)/\2 @ \1 KERNEL=="\2\3/' | awk ' {if ("asmdisk1_10G" ~ $1) print $3,$4,$5,$6,$7,$8,$9,$10,$11,$12}' --> Here awk returns nothing ! [root@hract21 rules.d]# cat /etc/udev/rules.d/*.rules | grep GROUP | grep MODE |sed -e '/^#/d' -e 's/\*/.*/g' -e 's/\(.*\)KERNEL=="\([^\"]*\)\(.*\)/\2 @ \1 KERNEL=="\2\3/' |awk ' { print $1, $2, $3,$4,$5,$6,$7,$8,$9,$10,$11,$12}' sd?1 @ NAME="asmdisk1_10G", KERNEL=="sd?1", BUS=="scsi", PROGRAM=="/sbin/scsi_id -g -u -d /dev/$parent", RESULT=="1ATA_VBOX_HARDDISK_VBe7363848-cbf94b0c", OWNER="grid" --> The above sed script adds sd?1 as parameter $1 and @ as parameter $2 . later awk search for "asmdisk1_10G" in parameter $1 if ("asmdisk1_10G" ~ $1) ... as string "asmdisk1_10G" can be found in paramter $3 but in in paramter $1 !! Potential Fix : Modify search string we get a record back ! [root@hract21 rules.d]# cat /etc/udev/rules.d/*.rules | grep GROUP | grep MODE |sed -e '/^#/d' -e 's/\*/.*/g' -e 's/\(.*\)KERNEL=="\([^\"]*\)\(.*\)/\2 @ \1 KERNEL=="\2\3/' |awk ' /asmdisk1_10G/ { print $1, $2, $3,$4,$5,$6,$7,$8,$9,$10,$11,$12}' sd?1 @ NAME="asmdisk1_10G", KERNEL=="sd?1", BUS=="scsi", PROGRAM=="/sbin/scsi_id -g -u -d /dev/$parent", RESULT=="1ATA_VBOX_HARDDISK_VBe7363848-cbf94b0c", OWNER="grid", .. --> Seems the way Oracle extracts UDEV data is not working for OEL 6 where UDEV Records could look like: NAME="asmdisk1_10G", KERNEL=="sd?1", BUS=="scsi", PROGRAM=="/sbin/scsi_id -g -u -d /dev/$parent", RESULT=="1ATA_VBOX_HARDDISK_VBe7363848-cbf94b0c", OWNER="grid", GROUP="asmadmin", MODE="0660" As the ASM disk has the proper permissions I decided to ignore the warnings [root@hract21 rules.d]# ls -l /dev/asm* brw-rw---- 1 grid asmadmin 8, 17 Jan 29 09:33 /dev/asmdisk1_10G brw-rw---- 1 grid asmadmin 8, 33 Jan 29 09:33 /dev/asmdisk2_10G brw-rw---- 1 grid asmadmin 8, 49 Jan 29 09:33 /dev/asmdisk3_10G brw-rw---- 1 grid asmadmin 8, 65 Jan 29 09:33 /dev/asmdisk4_10G