近期在增加ASM磁盘过程中遇到如下错误：
SQL> alter diskgroup datadg add disk '/dev/rac/DBdg01' rebalance power 0;
alter diskgroup datadg add disk '/dev/rac/DBdg01' rebalance power 0
*
ERROR at line 1:
ORA-15032: not all alterations performed
ORA-15031: disk specification '/dev/rac/DBdg01' matches no disks
ORA-15025: could not open disk '/dev/rac/DBdg01'
ORA-15056: additional error message
SVR4 Error: 13: Permission denied
Additional information: 42
Additional information: –1897261352
经过两天排查，最终的处理方法归结为在OS环境通过Format命令格式化分区时如下的0号分区没有留空间，6号区从0号Cylinders 开始导致的。
Part Tag Flag Cylinders Size Blocks
0 root wm 0 - 4 117.66MB (5/0/0) 240975
具体处理过程如下：
bash-3.00# format
Searching for disks...done
c3t6000B5D0006A0000006A10C100080000d0: configured with capacity of 1023.95GB
c3t6000B5D0006A0000006A10C100090000d0: configured with capacity of 279.87GB
AVAILABLE DISK SELECTIONS:
.....
6. c3t6000B5D0006A0000006A10C100040000d0 <FUJITSU-ETERNUS_DX400-0000 cyl 61273 alt 2 hd 128 sec 256>
/scsi_vhci/ssd@g6000b5d0006a0000006a10c100040000
7. c3t6000B5D0006A0000006A10C100050000d0 <FUJITSU-ETERNUS_DX400-0000 cyl 44556 alt 2 hd 255 sec 189>
/scsi_vhci/ssd@g6000b5d0006a0000006a10c100050000
.....
Specify disk (enter its number): 7
selecting c3t6000B5D0006A0000006A10C100050000d0
[disk formatted]
FORMAT MENU:
disk - select a disk
type - select (define) a disk type
partition - select (define) a partition table
current - describe the current disk
format - format and analyze the disk
repair - repair a defective sector
label - write label to the disk
analyze - surface analysis
defect - defect list management
backup - search for backup labels
verify - read and display labels
save - save new disk/partition definitions
inquiry - show vendor, product and revision
volname - set 8-character volume name
!<cmd> - execute <cmd>, then return
quit
format> p
PARTITION MENU:
0 - change `0' partition
1 - change `1' partition
2 - change `2' partition
3 - change `3' partition
4 - change `4' partition
5 - change `5' partition
6 - change `6' partition
7 - change `7' partition
select - select a predefined table
modify - modify a predefined partition table
name - name the current table
print - display the current table
label - write partition map and label to the disk
!<cmd> - execute <cmd>, then return
quit
partition> m
Select partitioning base:
0. Current partition table (original)
1. All Free Hog
Choose base (enter number) [0]? 0
Part Tag Flag Cylinders Size Blocks
0 root wm 0 0 (0/0/0) 0
1 swap wu 0 0 (0/0/0) 0
2 backup wu 0 - 44555 1023.95GB (44556/0/0) 2147376420
3 unassigned wm 0 0 (0/0/0) 0
4 unassigned wm 0 0 (0/0/0) 0
5 unassigned wm 0 0 (0/0/0) 0
6 usr wm 0 - 44555 1023.95GB (44556/0/0) 2147376420
7 unassigned wm 0 0 (0/0/0) 0
Do you wish to continue creating a new partition
table based on above table[yes]?
Free Hog partition[6]?
Enter size of partition '0' [0b, 0c, 0.00mb, 0.00gb]: 100m
Enter size of partition '1' [0b, 0c, 0.00mb, 0.00gb]:
Enter size of partition '3' [0b, 0c, 0.00mb, 0.00gb]:
Enter size of partition '4' [0b, 0c, 0.00mb, 0.00gb]:
Enter size of partition '5' [0b, 0c, 0.00mb, 0.00gb]:
Enter size of partition '7' [0b, 0c, 0.00mb, 0.00gb]:
Part Tag Flag Cylinders Size Blocks
0 root wm 0 - 4 117.66MB (5/0/0) 240975
1 swap wu 0 0 (0/0/0) 0
2 backup wu 0 - 44555 1023.95GB (44556/0/0) 2147376420
3 unassigned wm 0 0 (0/0/0) 0
4 unassigned wm 0 0 (0/0/0) 0
5 unassigned wm 0 0 (0/0/0) 0
6 usr wm 5 - 44555 1023.83GB (44551/0/0) 2147135445
7 unassigned wm 0 0 (0/0/0) 0
Okay to make this the current partition table[yes]? yes
Enter table name (remember quotes): DBdg01
Ready to label disk, continue?
Ready to label disk, continue? lable
`lable' is not expected.
Ready to label disk, continue? y
partition> q
FORMAT MENU:
disk - select a disk
type - select (define) a disk type
partition - select (define) a partition table
current - describe the current disk
format - format and analyze the disk
repair - repair a defective sector
label - write label to the disk
analyze - surface analysis
defect - defect list management
backup - search for backup labels
verify - read and display labels
save - save new disk/partition definitions
inquiry - show vendor, product and revision
volname - set 8-character volume name
!<cmd> - execute <cmd>, then return
quit
format> s
Saving new disk and partition definitions
Enter file name["./format.dat"]:
format> quit
以上过程完成后，下一步工作就是在ASM环境下添加磁盘，操作步骤如下：
bash-3.00# su - Oracle
Oracle Corporation SunOS 5.10 Generic Patch January 2005
You have new mail.
[dbserv1]@dbserv-db1[/export/home/oracle]$export ORACLE_SID=+ASM1
[+ASM1]@dbserv-db1[/export/home/oracle]$asmcmd
ASMCMD> lsdg
State Type Rebal Unbal Sector Block AU Total_MB Free_MB Req_mir_free_MB Usable_file_MB Offline_disks Name
MOUNTED EXTERN N N 512 4096 1048576 1048217 812839 0 812839 0 BACKUP/
MOUNTED EXTERN N N 512 4096 1048576 999760 40673 0 40673 0 DATADG/
ASMCMD> exit
[+ASM1]@dbserv-db1[/export/home/oracle]$sqlplus / as sysdba
SQL*Plus: Release 10.2.0.5.0 - Production on Mon Jun 30 18:42:26 2014
Copyright (c) 1982, 2010, Oracle. All Rights Reserved.
Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 - 64bit Production
With the Partitioning, Real Application Clusters, OLAP, Data Mining
and Real Application Testing options
SQL> alter diskgroup DATADG add disk '/dev/rac/DBdg01' rebalance power 0;
Diskgroup altered.
SQL> exit
Disconnected from Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 - 64bit Production
With the Partitioning, Real Application Clusters, OLAP, Data Mining
and Real Application Testing options
[+ASM1]@dbserv-db1[/export/home/oracle]$asmcmd
ASMCMD> lsdg
State Type Rebal Unbal Sector Block AU Total_MB Free_MB Req_mir_free_MB Usable_file_MB Offline_disks Name
MOUNTED EXTERN N N 512 4096 1048576 1048217 812839 0 812839 0 BACKUP/
MOUNTED EXTERN N N 512 4096 1048576 2048165 1089067 0 1089067 0 DATADG/
ASMCMD> exit
[+ASM1]@dbserv-db1[/export/home/oracle]$eixt
-bash: eixt: command not found
[+ASM1]@dbserv-db1[/export/home/oracle]$exit
logout
bash-3.00# id
uid=0(root) gid=0(root)