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Triple mirrored in Normal Redundancy

rchemJan 24 2015 — edited Jan 27 2015

Hello ,

I have noticed my controlfile and backup controlfile are triple mirrored though the diskgroup redundancy is normal only. Extent map also shows each extent is mirrored thrice, also the third disk number is showing a vague number as 65534 , please let me know what does this mean.

GROUP_NUMBER NAME

TYPE

------------ ------------------------------ ------

1 DATA2

NORMAL

ASMCMD> ls -l

Type Redund Striped Time Sys Name

CONTROLFILE HIGH FINE SEP 20 16:00:00 Y Backup.260.858787529

CONTROLFILE HIGH FINE OCT 11 16:00:00 Y current.256.858786763

Virtual extent Physical extent Allocation unit

Disk

-------------- --------------- --------------- ----------

0	0	265	0
0	1	364	2
0	2	4294967294	65534
1	3	365	2
1	4	266	0
1	5	4294967294	65534

Thanks in advance for your time

This post has been answered by User2121 - -Oracle on Jan 25 2015

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#asm, #performance-availability, #rac, #real-application-clusters

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