My Oracle Support Banner

Diskgroups are Dismounted because Grid Disk Size Is Smaller Than Asm Disk Header Value After Resizing diskgroups (Doc ID 2652643.1)

Last updated on MARCH 25, 2020

적용 대상:

Oracle Exadata Storage Server Software - 버전 to [릴리즈 12.1]
Linux x86-64


On : RDBMS version, Exadata image version Exa-STORAGE

Cell서버#6 메모리 교체 후 RECOC1 diskgroup 이 diskmount 되면서 모든 instance가 비 정상적으로 crash됨.
RECOC1 diskgroup 은 아래와 같은 Error와 함께  계속해서 mount 실패함

WARNING: group 3/0xb0b97f32 (RECOC1) disk 0: disk size(10944M) is smaller than disk header value(2739M)
NOTE: process _rbal_+asm1 (24739) initiating offline of disk 0.3916010011 (RECOC1_CD_00_INPPRODWCELADM02) with mask 0x7e[0x7f] in group 3
NOTE: initiating PST update: grp = 3, dsk = 0/0xe969921b, mask = 0x6a, op = clear
GMON updating disk modes for group 3 at 39 for pid 19, osid 24739
ERROR: Disk 0 cannot be offlined, since all the disks [0, 56] with mirrored data would be offline.
ERROR: too many offline disks in PST (grp 3)
Sat Feb 08 14:41:27 2020
NOTE: cache dismounting (not clean) group 3/0xB0B97F32 (RECOC1)
NOTE: messaging CKPT to quiesce pins Unix process pid: 88066, image: (B000)
WARNING: Offline for disk RECOC1_CD_00_INPPRODWCELADM02 in mode 0x7f failed.
ERROR: ORA-15066 thrown in RBAL for group number 3
Errors in file /oracle/app/oracle/diag/asm/+asm/+ASM1/trace/+ASM1_rbal_24739.trc:
ORA-15066: offlining disk "RECOC1_CD_00_INPPRODWCELADM02" in group "RECOC1" may result in a data loss
Sat Feb 08 14:41:27 2020
 Received dirty detach msg from inst 4 for dom 3
Sat Feb 08 14:41:27 2020
NOTE: halting all I/Os to diskgroup 3 (RECOC1)
NOTE: LGWR doing non-clean dismount of group 3 (RECOC1)
NOTE: LGWR sync ABA=321.8409 last written ABA 321.8409

모든 Instance의 비정상적인 crash 및 startup 불가

변경 내역

 Dec. 14, 2019 :  DATA diskgroup 과 RECO diskgroup 을 Resizing함. DATA diskgroup을 늘리고 RECO diskgroup을 줄임.

 Feb.   8, 2020 :  Cell서버#6 메모리 교체


To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

이 문서에서
변경 내역

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.