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getting errors while creating asm disk groups

user13376823Oct 21 2012 — edited Oct 24 2012

while creating disk groups on 10gR2 database on linux redhat 5.3

im getting following errors :

ERROR at line 1:
ORA-15018: diskgroup cannot be created
ORA-15031: disk specification '/dev/raw/raw4' matches no disks
ORA-15025: could not open disk '/dev/raw/raw4'
ORA-27041: unable to open file
Linux Error: 19: No such device
Additional information: 42
Additional information: 213402552
Additional information: -1079643768
ORA-15031: disk specification '/dev/raw/raw3' matches no disks
ORA-15025: could not open disk '/dev/raw/raw3'
ORA-27041: unable to open file
Linux Error: 19: No such device
Additional information: 42
Additional information: 213402552
Additional information: -1079643768
ORA-15031: disk specification '/dev/raw/raw2' matches no disks
ORA-15025: could not open disk '/dev/raw/raw2'
ORA-27041: unable to open file
Linux Error: 19: No such device
Additional information: 42
Additional information: 213402552
Additional information: -1079643768
ORA-15031: disk specification '/dev/raw/raw1' matches no disks
ORA-15025: could not open disk '/dev/raw/raw1'
ORA-27041: unable to open file
Linux Error: 19: No such device

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Locked on Nov 21 2012

Added on Oct 21 2012

#automatic-storage-management, #performance-availability

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