l Different Header Status
l How to find the header status
ASM Header status
|
CANDIDATE |
Disk is not part of a disk group and may be added to a disk group with
the ‘ALTER DISKGROUP’ statement part of a disk group and may be added to a
disk group with the ALTER DISKGROUP statement |
|
PROVISIONED |
Disk is not part of a disk group and may be added to a disk group with
the ALTER DISKGROUP statement. The PROVISIONED header status is different
from the CANDIDATE header status in that PROVISIONED implies that an
additional platform-specific action has been taken by an administrator to
make the disk available for Automatic Storage Management. |
|
|
|
ASM Header status
|
MEMBER |
Disk is a member of an existing disk group. No attempt should be made
to add the disk to a different disk group. The ALTER DISKGROUP statement will
reject such an addition unless overridden with the FORCE option f a disk
group and may be added to a disk group with the ALTER DISKGROUP statement |
|
FORMER |
Disk was once part of a disk group but has
been dropped cleanly from the group. It may be added to a new disk group with
the ALTER DISKGROUP statement. |
|
|
|
ASM Header status
|
FOREGIN |
Disk contains data created by an Oracle
product other than ASM. This includes datafiles, logfiles, and OCR disks |
|
INCOMPATIBLE |
Version number in the disk header is not
compatible. with the Automatic Storage Management software version |
|
UNKNOWN |
Automatic Storage Management disk header has
not been read |
|
|
|
How To Find ASM Header status
l By quering v$asm_disk
l Login to asm instance with ‘sysasm’ privilege
l SQL> select header_status from v$asm_disk
l Using ‘asmcmd’
l Issue the following command with ‘sysasm’ privilege
l $ asmcmd lsdsk –p
How To Find ASM Header status using ASMCA
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