1 Reply Latest reply: May 4, 2014 5:41 AM by 879152 RSS

    PRVF-9802 : Attempt to get udev info from node "dcpdb2" failed?

    879152

      Hi,

      I am configuring Oracle 11g R2 (11.2.0.3) RAC with ASM on Oracle Linux 6.4 bit 64.

      Using ASMLIB.

      node 1:

      [root@dcpdb1 ~]# /usr/sbin/oracleasm listdisks

      ARCH

      DATA

      OCR1

      OCR2

      OCR3

      VOTING1

      VOTING2

      VOTING3

      [root@dcpdb1 ~]#

       

      Node 2:

      [root@dcpdb2 ~]# /usr/sbin/oracleasm listdisks

      ARCH

      DATA

      OCR1

      OCR2

      OCR3

      VOTING1

      VOTING2

      VOTING3

      [root@dcpdb2 ~]#

       

       

      Node 1:

      [root@dcpdb1 ~]# ls -ll /dev/oracleasm/disks/

      total 0

      brw-rw---- 1 grid asmadmin 8,  32 Mar 23 10:37 ARCH

      brw-rw---- 1 grid asmadmin 8,  16 Mar 23 10:37 DATA

      brw-rw---- 1 grid asmadmin 8,  64 Mar 23 10:37 OCR1

      brw-rw---- 1 grid asmadmin 8,  96 Mar 23 10:37 OCR2

      brw-rw---- 1 grid asmadmin 8, 128 Mar 23 10:37 OCR3

      brw-rw---- 1 grid asmadmin 8, 112 Mar 23 10:37 VOTING1

      brw-rw---- 1 grid asmadmin 8,  48 Mar 23 10:37 VOTING2

      brw-rw---- 1 grid asmadmin 8,  80 Mar 23 10:37 VOTING3

      [root@dcpdb1 ~]#

       

      Node 2:

      [root@dcpdb2 ~]# ls -ll /dev/oracleasm/disks/

      total 0

      brw-rw---- 1 grid asmadmin 8,  32 Mar 23 10:37 ARCH

      brw-rw---- 1 grid asmadmin 8,  16 Mar 23 10:37 DATA

      brw-rw---- 1 grid asmadmin 8,  64 Mar 23 10:37 OCR1

      brw-rw---- 1 grid asmadmin 8,  96 Mar 23 10:37 OCR2

      brw-rw---- 1 grid asmadmin 8, 128 Mar 23 10:37 OCR3

      brw-rw---- 1 grid asmadmin 8, 112 Mar 23 10:37 VOTING1

      brw-rw---- 1 grid asmadmin 8,  48 Mar 23 10:37 VOTING2

      brw-rw---- 1 grid asmadmin 8,  80 Mar 23 10:37 VOTING3

      [root@dcpdb2 ~]#

       

      Node 1:

      [root@dcpdb1 Desktop]# cat /etc/multipath.conf

      # multipath.conf written by anaconda

       

       

      defaults {

        user_friendly_names yes

        }

      blacklist {

        devnode "^(ram|raw|loop|fd|md|dm-|sr|scd|st)[0-9]*"

        devnode "^hd[a-z]"

        devnode "^dcssblk[0-9]*"

        device {

        vendor "DGC"

        product "LUNZ"

        }

        device {

        vendor "IBM"

        product "S/390.*"

        }

        # don't count normal SATA devices as multipaths

        device {

        vendor  "ATA"

        }

        # don't count 3ware devices as multipaths

        device {

        vendor  "3ware"

        }

        device {

        vendor  "AMCC"

        }

        # nor highpoint devices

        device {

        vendor  "HPT"

        }

        wwid "3600508b1001c7e9f34a5bcf37efa0f99"

        device {

        vendor hp

        product DVD_A_DU8A4SH

        }

        wwid "*"

      }

      blacklist_exceptions {

        wwid "3600508b40006eea10004b00000180000"

        wwid "3600508b40006eea10004b000001b0000"

        wwid "3600508b40006eea10004b00000290000"

        wwid "3600508b40006eea10004b00000320000"

        wwid "3600508b40006eea10004b00000260000"

        wwid "3600508b40006eea10004b00000350000"

        wwid "3600508b40006eea10004b000002f0000"

        wwid "3600508b40006eea10004b000002c0000"

      }

      multipaths {

        multipath {

        uid 109

        gid 705

        wwid "3600508b40006eea10004b00000180000"

        alias DATA

        mode 0660

        }

        multipath {

        uid 109

        gid 705

        wwid "3600508b40006eea10004b000001b0000"

        alias ARCH

        mode 0660

        }

        multipath {

        uid 109

        gid 705

        wwid "3600508b40006eea10004b00000290000"

        alias OCR1

        mode 0660

        }

        multipath {

        uid 109

        gid 705

        wwid "3600508b40006eea10004b00000320000"

        alias VOTING1

        mode 0660

        }

        multipath {

        uid 109

        gid 705

        wwid "3600508b40006eea10004b00000260000"

        alias VOTING2

        mode 0660

        }

        multipath {

        uid 109

        gid 705

        wwid "3600508b40006eea10004b00000350000"

        alias OCR3

        mode 0660

        }

        multipath {

        uid 109

        gid 705

        wwid "3600508b40006eea10004b000002f0000"

        alias OCR2

        mode 0660

        }

        multipath {

        uid 109

        gid 705

        wwid "3600508b40006eea10004b000002c0000"

        alias VOTING3

        mode 0660

        }

      }

      [root@dcpdb1 Desktop]#

       

       

      Node 2:

       

      [root@dcpdb2 Desktop]# cat /etc/multipath.conf

      # multipath.conf written by anaconda

       

       

      defaults {

        user_friendly_names yes

        }

      blacklist {

        devnode "^(ram|raw|loop|fd|md|dm-|sr|scd|st)[0-9]*"

        devnode "^hd[a-z]"

        devnode "^dcssblk[0-9]*"

        device {

        vendor "DGC"

        product "LUNZ"

        }

        device {

        vendor "IBM"

        product "S/390.*"

        }

        # don't count normal SATA devices as multipaths

        device {

        vendor  "ATA"

        }

        # don't count 3ware devices as multipaths

        device {

        vendor  "3ware"

        }

        device {

        vendor  "AMCC"

        }

        # nor highpoint devices

        device {

        vendor  "HPT"

        }

        wwid "3600508b1001c7e9f34a5bcf37efa0f99"

        device {

        vendor hp

        product DVD_A_DU8A4SH

        }

        wwid "*"

      }

      blacklist_exceptions {

        wwid "3600508b40006eea10004b00000180000"

        wwid "3600508b40006eea10004b000001b0000"

        wwid "3600508b40006eea10004b00000290000"

        wwid "3600508b40006eea10004b00000320000"

        wwid "3600508b40006eea10004b00000260000"

        wwid "3600508b40006eea10004b00000350000"

        wwid "3600508b40006eea10004b000002f0000"

        wwid "3600508b40006eea10004b000002c0000"

      }

      multipaths {

        multipath {

        uid 109

        gid 705

        wwid "3600508b40006eea10004b00000180000"

        alias DATA

        mode 0660

        }

        multipath {

        uid 109

        gid 705

        wwid "3600508b40006eea10004b000001b0000"

        alias ARCH

        mode 0660

        }

        multipath {

        uid 109

        gid 705

        wwid "3600508b40006eea10004b00000290000"

        alias OCR1

        mode 0660

        }

        multipath {

        uid 109

        gid 705

        wwid "3600508b40006eea10004b00000320000"

        alias VOTING1

        mode 0660

        }

        multipath {

        uid 109

        gid 705

        wwid "3600508b40006eea10004b00000260000"

        alias VOTING2

        mode 0660

        }

        multipath {

        uid 109

        gid 705

        wwid "3600508b40006eea10004b00000350000"

        alias OCR3

        mode 0660

        }

        multipath {

        uid 109

        gid 705

        wwid "3600508b40006eea10004b000002f0000"

        alias OCR2

        mode 0660

        }

        multipath {

        uid 109

        gid 705

        wwid "3600508b40006eea10004b000002c0000"

        alias VOTING3

        mode 0660

        }

      }

      [root@dcpdb2 Desktop]#

       

      When checking  prerequisite for ASM(user grid) it shows following Warning:

       

      Device Checks for ASM - This is a pre-check to verify if the specified devices meet the requirements for configuration through the Oracle Universal Storage Manager Configuration Assistant.

        Check Failed on Nodes: [dcpdb2,  dcpdb1] 

      Verification result of failed node: dcpdb2

       

       

      Details:

      -

      PRVF-9802 : Attempt to get udev info from node "dcpdb2" failed  - Cause:  Attempt to read the udev permissions file failed, probably due to missing permissions directory, missing or invalid permissions file, or permissions file not accessible to use account running the check.  - Action:  Make sure that the udev permissions directory is created, the udev permissions file is available, and it has correct read permissions for access by the user running the check.

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      Verification result of failed node: dcpdb1

       

       

      Details:

      -

      PRVF-9802 : Attempt to get udev info from node "dcpdb1" failed  - Cause:  Attempt to read the udev permissions file failed, probably due to missing permissions directory, missing or invalid permissions file, or permissions file not accessible to use account running the check.  - Action:  Make sure that the udev permissions directory is created, the udev permissions file is available, and it has correct read permissions for access by the user running the check.

      Back to Top 

       

      How to resolve this Warning Please help.

       

      Thanks

      Solaiman