ASM doesn’t start due to CRS-1714 error

Startup and check CRS and verify your disk groups 
# $GRID_HOME/bin/crsctl  start crs
CRS-4123: Oracle High Availability Services has been started.

# $GRID_HOME/bin/crsctl check crs
CRS-4638: Oracle High Availability Services is online
CRS-4535: Cannot communicate with Cluster Ready Services
CRS-4530: Communications failure contacting Cluster Synchronization Services daemon
CRS-4534: Cannot communicate with Event Manager

$ asmcmd lsdg
Connected to an idle instance.
ASMCMD-8102: no connection to Oracle ASM; command requires Oracle ASM to run

--> From GRID alert.log 
[cssd(10157)]CRS-1714:Unable to discover any voting files, retrying discovery in 15 seconds; 
Details at (:CSSNM00070:) in /u01/app/11204/grid/log/grac42/cssd/ocssd.log

$  /etc/init.d/oracleasm listdisks
--> No ASM disks configured - Installation uses udev devices!

Get your disk discovery string and verify your /dev/asm directory 
$GRID_HOME/bin/gpnptool get
DiscoveryString="/dev/asm*
SPFile="+DATA/grac4/asmparameterfile/registry.253.825944079"

$  ls -l /dev/asm*
brw-rw----. 1 grid asmadmin 252, 5 Mar 18 13:42 /dev/asmdisk_OF-disk1
brw-rw----. 1 grid asmadmin 252, 6 Mar 18 13:42 /dev/asmdisk_OF-disk2
brw-rw----. 1 grid asmadmin 252, 7 Mar 18 13:42 /dev/asmdisk_OF-disk3

$ kfed read /dev/asmdisk_OF-disk1 | egrep 'dskname|grpname'
kfdhdb.dskname:       OPENFILER_DG_0000 ; 0x028: length=17
kfdhdb.grpname:            OPENFILER_DG ; 0x048: length=12
[grid@grac42 grac42]$  kfed read /dev/asmdisk_OF-disk2 | egrep 'dskname|grpname'
kfdhdb.dskname:       OPENFILER_DG_0001 ; 0x028: length=17
kfdhdb.grpname:            OPENFILER_DG ; 0x048: length=12
[grid@grac42 grac42]$ kfed read /dev/asmdisk_OF-disk3  | egrep 'dskname|grpname'
kfdhdb.dskname:       OPENFILER_DG_0002 ; 0x028: length=17
kfdhdb.grpname:            OPENFILER_DG ; 0x048: length=12

Verify  voting file location locally
# more /etc/oracle/ocr.loc
ocrconfig_loc=+OCR
local_only=false

Verify voting file location on a working instance
$ crsctl query css votedisk
##  STATE    File Universal Id                File Name Disk group
--  -----    -----------------                --------- ---------
 1. ONLINE   b0e94e5d83054fe9bf58b6b98bfacd65 (/dev/asmdisk5_udev_sdf1) [OCR]
 2. ONLINE   88c2a08b4c8c4f85bf0109e0990388e4 (/dev/asmdisk6_udev_sdg1) [OCR]
 3. ONLINE   1108f9a41e814fb2bfed879ff0039dd0 (/dev/asmdisk7_udev_sdh1) [OCR]

Check ASM devices 
ON Working Node
[root@grac41 rules.d]# ls /dev/asm*
/dev/asmdisk10_ssd3      /dev/asmdisk2_test       /dev/asmdisk4_udev_sde1  /dev/asmdisk8_ssd1     /dev/asmdisk_OF-disk3
/dev/asmdisk1_fra        /dev/asmdisk2_udev_sdc1  /dev/asmdisk5_udev_sdf1  /dev/asmdisk9_ssd2
/dev/asmdisk1_test       /dev/asmdisk3_test       /dev/asmdisk6_udev_sdg1  /dev/asmdisk_OF-disk1
/dev/asmdisk1_udev_sdb1  /dev/asmdisk3_udev_sdd1  /dev/asmdisk7_udev_sdh1  /dev/asmdisk_OF-disk2

Failing Node
grid@grac42 grac42]$  ls -l /dev/asm*
brw-rw----. 1 grid asmadmin 252, 5 Mar 18 13:42 /dev/asmdisk_OF-disk1
brw-rw----. 1 grid asmadmin 252, 6 Mar 18 13:42 /dev/asmdisk_OF-disk2
brw-rw----. 1 grid asmadmin 252, 7 Mar 18 13:42 /dev/asmdisk_OF-disk3

--> All disks for  Diskgroup OCR are missing from /dev/asm* 

Solution : Fix udev file and verify that our OCR diskgroup can be mounted
$ udevadm control --reload-rules
$ start_udev

Verify ASM disks:
[root@grac43 rules.d]#  $GRID_HOME/bin/kfed read  /dev/asmdisk1_udev_sdf1| egrep 'dskname|grpname'
kfdhdb.dskname:                OCR_0000 ; 0x028: length=8
kfdhdb.grpname:                     OCR ; 0x048: length=3
[root@grac43 rules.d]# $GRID_HOME/bin/kfed read  /dev/asmdisk1_udev_sdg1| egrep 'dskname|grpname'
kfdhdb.dskname:                OCR_0001 ; 0x028: length=8
kfdhdb.grpname:                     OCR ; 0x048: length=3
[root@grac43 rules.d]#  $GRID_HOME/bin/kfed read  /dev/asmdisk1_udev_sdh1| egrep 'dskname|grpname'
kfdhdb.dskname:                OCR_0002 ; 0x028: length=8
kfdhdb.grpname:                     OCR ; 0x048: length=3

Restart CRS ( as root ) and verify ASM status
# $GRID_HOME/bin/crsctl  stop crs -f
# $GRID_HOME/bin/crsctl start crs

$ $GRID_HOME/bin/asmcmd lsdg
State    Type    Rebal  Sector  Block       AU  Total_MB  Free_MB  Req_mir_free_MB  Usable_file_MB  Offline_disks  Voting_files  Name
MOUNTED  NORMAL  N         512   4096  1048576     40944    20431            10236            5097              0             N  DATA/
MOUNTED  EXTERN  N         512   4096  1048576    204797   173814                0          173814              0             N  FRA/
MOUNTED  NORMAL  N         512   4096  1048576      6141     5091             2047            1522              0             Y  OCR/
MOUNTED  EXTERN  N         512   4096  1048576      5739     4565                0            4565              0             N  OPENFILER_DG/
MOUNTED  NORMAL  N         512   4096  1048576      3057     1995             1019             488              0             N  SSD/

 

Mapping Partitions with UDEV:

Mapping Disks with UDEV:

2 thoughts on “ASM doesn’t start due to CRS-1714 error”

  1. Awesome well detailed

    Quick question what would have caused the issue with the udev rules to be corrupted or changed if they were working OK before ?

    Pls advise

    Koko

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