With Path Failover on HP Native Multipath ASM gets Disk IO error and Node May Reboot ( ORA-27072 )
(Doc ID 1457580.1)
Last updated on JANUARY 24, 2020
Applies to:
Oracle Database - Enterprise Edition - Version 11.2.0.2 and laterOracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
HP-UX Itanium
Symptoms
You have Native Multipath set up, and when one path is not operational, the ASM disk is experiencing IO error. If the diskgroup has OCR and Vote files, then after about 200 seconds, the Node may reboot.
Thu Apr 12 10:53:34 2012
Errors in file <ORACLE_BASE>/diag/asm/+asm/+ASM2/trace/+ASM2_gmon_2062.trc:
ORA-27072: File I/O error
Additional information: 4
Additional information: 2044
Additional information: -1
WARNING: Write Failed. group:2 disk:13 AU:1 offset:1044480 size:4096
WARNING: disk 13.4083236848 (<DGNAME>_0013) not responding to heart beat
ERROR: Disk 13 cannot be offlined, since all the disks 13 with mirrored data will be offline.
ERROR: too many offline disks in PST (grp 2)
Thu Apr 12 10:54:02 2012
ERROR: no PST quorum in group: required 1, found 0
ERROR: Could not heartbeat PST for grp 2. Force dismounting the disk group.
Thu Apr 12 10:54:02 2012
NOTE: process _b000_+asm2 (2879) initiating offline of disk 13.4083236848 (<DGNAME>_0013) with mask 0x7e in group 2
WARNING: Disk <DGNAME>_0013 in mode 0x7f is now being taken offline
NOTE: initiating PST update: grp = 2, dsk = 13/0xf3613ff0, mode = 0x6a, op = 4
Errors in file <ORACLE_BASE>/diag/asm/+asm/+ASM2/trace/+ASM2_gmon_2062.trc:
ORA-27072: File I/O error
Additional information: 4
Additional information: 2044
Additional information: -1
WARNING: Write Failed. group:2 disk:13 AU:1 offset:1044480 size:4096
WARNING: disk 13.4083236848 (<DGNAME>_0013) not responding to heart beat
ERROR: Disk 13 cannot be offlined, since all the disks 13 with mirrored data will be offline.
ERROR: too many offline disks in PST (grp 2)
Thu Apr 12 10:54:02 2012
ERROR: no PST quorum in group: required 1, found 0
ERROR: Could not heartbeat PST for grp 2. Force dismounting the disk group.
Thu Apr 12 10:54:02 2012
NOTE: process _b000_+asm2 (2879) initiating offline of disk 13.4083236848 (<DGNAME>_0013) with mask 0x7e in group 2
WARNING: Disk <DGNAME>_0013 in mode 0x7f is now being taken offline
NOTE: initiating PST update: grp = 2, dsk = 13/0xf3613ff0, mode = 0x6a, op = 4
Cause
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In this Document
| Symptoms |
| Cause |
| Solution |
| References |