新旧磁盘数量不一致，能否删除带votedisk的磁盘？

votedisk 信息

[grid@db01 ~]$ crsctl query css votedisk
##  STATE    File Universal Id                File Name Disk group
--  -----    -----------------                --------- ---------
 1. ONLINE   093f536704a64f91bf978e3d3669e9a8 (/dev/oracleasm/disks/OCR101) [OCR]
 2. ONLINE   34eb9d2c44824fb3bf8479b22b517771 (/dev/oracleasm/disks/OCR102) [OCR]
 3. ONLINE   24f853a217ca4f22bf13c28e48be2c05 (/dev/oracleasm/disks/OCR103) [OCR]

添加2块磁盘，执行删除旧磁盘操作：

NAME            PATH                           FAILGROUP            FAILGRO
--------------- ------------------------------ -------------------- -------
OCR             /dev/oracleasm/disks/OCR101    OCR_0003             REGULAR
OCR             /dev/oracleasm/disks/OCR102    OCR_0004             REGULAR
OCR             /dev/oracleasm/disks/OCR103    OCR_0005             REGULAR


#添加2块磁盘
SQL> alter diskgroup ocr add disk
'/dev/oracleasm/disks/OCR01',
'/dev/oracleasm/disks/OCR02';  2    3

Diskgroup altered.

#删除旧磁盘
SQL> ALTER DISKGROUP OCR drop disk
'OCR_0003',
'OCR_0004',
'OCR_0005';  2    3    4

Diskgroup altered.

 #

#旧磁盘未删除

NAME            PATH                           FAILGROUP            FAILGRO
--------------- ------------------------------ -------------------- -------
OCR             /dev/oracleasm/disks/OCR01     OCR_0000             REGULAR
OCR             /dev/oracleasm/disks/OCR02     OCR_0001             REGULAR
OCR             /dev/oracleasm/disks/OCR101    OCR_0003             REGULAR
OCR             /dev/oracleasm/disks/OCR102    OCR_0004             REGULAR
OCR             /dev/oracleasm/disks/OCR103    OCR_0005             REGULAR


SQL> select STATE from v$asm_disk;

STATE
--------
NORMAL
DROPPING《====状态为删除
DROPPING
DROPPING
NORMAL
NORMAL



日志信息：
Wed Sep 08 20:49:45 2021
SQL> ALTER DISKGROUP OCR drop disk
'OCR_0003',
'OCR_0004',
'OCR_0005'
NOTE: GroupBlock outside rolling migration privileged region
NOTE: requesting all-instance membership refresh for group=1
Wed Sep 08 20:49:48 2021
NOTE: Attempting voting file relocation on diskgroup OCR
NOTE: Successful voting file relocation on diskgroup OCR
Wed Sep 08 20:49:48 2021
GMON updating for reconfiguration, group 1 at 23 for pid 31, osid 15246
NOTE: group 1 PST updated.
NOTE: membership refresh pending for group 1/0xbefb6a6b (OCR)
GMON querying group 1 at 24 for pid 18, osid 11947
SUCCESS: refreshed membership for 1/0xbefb6a6b (OCR)
NOTE: starting rebalance of group 1/0xbefb6a6b (OCR) at power 1
SUCCESS: ALTER DISKGROUP OCR drop disk
'OCR_0003',
'OCR_0004',
'OCR_0005'
Starting background process ARB0
Wed Sep 08 20:49:51 2021
ARB0 started with pid=28, OS id=17057
NOTE: assigning ARB0 to group 1/0xbefb6a6b (OCR) with 1 parallel I/O
cellip.ora not found.
NOTE: F1X0 copy 1 relocating from 4:114 to 0:136 for diskgroup 1 (OCR)
NOTE: F1X0 copy 2 relocating from 3:115 to 1:137 for diskgroup 1 (OCR)
NOTE: F1X0 copy 3 relocating from 5:115 to 65534:4294967294 for diskgroup 1 (OCR)
NOTE: Attempting voting file refresh on diskgroup OCR
NOTE: Refresh completed on diskgroup OCR
. Found 3 voting file(s).
NOTE: Voting file relocation is required in diskgroup OCR
NOTE: Attempting voting file relocation on diskgroup OCR
NOTE: voting file allocation on grp 1 disk OCR_0000
NOTE: voting file allocation on grp 1 disk OCR_0001
NOTE: Failed voting file relocation on diskgroup OCR
Wed Sep 08 20:50:02 2021
NOTE: stopping process ARB0
SUCCESS: rebalance completed for group 1/0xbefb6a6b (OCR)
Wed Sep 08 20:50:03 2021
NOTE: GroupBlock outside rolling migration privileged region
NOTE: requesting all-instance membership refresh for group=1
Wed Sep 08 20:50:06 2021
GMON updating for reconfiguration, group 1 at 25 for pid 32, osid 16894
NOTE: group 1 PST updated.
WARNING: grp 1 disk OCR_0003 still has contents (32 AUs)
WARNING: grp 1 disk OCR_0004 still has contents (32 AUs)
WARNING: grp 1 disk OCR_0005 still has contents (32 AUs)
NOTE: membership refresh pending for group 1/0xbefb6a6b (OCR)
GMON querying group 1 at 26 for pid 18, osid 11947
SUCCESS: refreshed membership for 1/0xbefb6a6b (OCR)
Wed Sep 08 20:50:12 2021
NOTE: Attempting voting file refresh on diskgroup OCR
NOTE: Refresh completed on diskgroup OCR
. Found 3 voting file(s).
NOTE: Voting file relocation is required in diskgroup OCR
NOTE: Attempting voting file relocation on diskgroup OCR
NOTE: voting file allocation on grp 1 disk OCR_0000
NOTE: voting file allocation on grp 1 disk OCR_0001
NOTE: Failed voting file relocation on diskgroup OCR

#在添加一块磁盘之后自动删除旧磁盘

#添加磁盘之后，自动删除。
SQL>
alter diskgroup ocr add disk
'/dev/oracleasm/disks/OCR03';SQL>   2

Diskgroup altered.

SQL> select dg.name, d.path, d.failgroup, d.failgroup_type
from v$asm_diskgroup dg, v$asm_disk d
where dg.group_number = d.group_number and dg.name = 'OCR'
order by dg.name, d.path, d.failgroup;  2    3    4

NAME            PATH                           FAILGROUP            FAILGRO
--------------- ------------------------------ -------------------- -------
OCR             /dev/oracleasm/disks/OCR01     OCR_0000             REGULAR
OCR             /dev/oracleasm/disks/OCR02     OCR_0001             REGULAR
OCR             /dev/oracleasm/disks/OCR03     OCR_0002             REGULAR


[grid@db01 ~]$ crsctl query css votedisk
##  STATE    File Universal Id                File Name Disk group
--  -----    -----------------                --------- ---------
 1. ONLINE   57e24fe4466a4f57bf09968b9dd8585c (/dev/oracleasm/disks/OCR01) [OCR]
 2. ONLINE   4065d42296204f8bbfd8cccbaca0b68b (/dev/oracleasm/disks/OCR02) [OCR]
 3. ONLINE   901ec22713a64fefbfad784eef648c31 (/dev/oracleasm/disks/OCR03) [OCR]


日志信息：
Wed Sep 08 20:53:37 2021
SQL> alter diskgroup ocr add disk
'/dev/oracleasm/disks/OCR03'
NOTE: GroupBlock outside rolling migration privileged region
NOTE: Assigning number (1,2) to disk (/dev/oracleasm/disks/OCR03)
NOTE: requesting all-instance membership refresh for group=1
NOTE: initializing header on grp 1 disk OCR_0002
NOTE: requesting all-instance disk validation for group=1
Wed Sep 08 20:53:39 2021
NOTE: skipping rediscovery for group 1/0xbefb6a6b (OCR) on local instance.
NOTE: requesting all-instance disk validation for group=1
NOTE: skipping rediscovery for group 1/0xbefb6a6b (OCR) on local instance.
Wed Sep 08 20:53:39 2021
GMON updating for reconfiguration, group 1 at 27 for pid 31, osid 15246
NOTE: group 1 PST updated.
NOTE: initiating PST update: grp = 1
GMON updating group 1 at 28 for pid 31, osid 15246
NOTE: PST update grp = 1 completed successfully
NOTE: membership refresh pending for group 1/0xbefb6a6b (OCR)
GMON querying group 1 at 29 for pid 18, osid 11947
NOTE: cache opening disk 2 of grp 1: OCR_0002 path:/dev/oracleasm/disks/OCR03
GMON querying group 1 at 30 for pid 18, osid 11947
SUCCESS: refreshed membership for 1/0xbefb6a6b (OCR)
NOTE: starting rebalance of group 1/0xbefb6a6b (OCR) at power 1
Starting background process ARB0
SUCCESS: alter diskgroup ocr add disk
'/dev/oracleasm/disks/OCR03'
Wed Sep 08 20:53:42 2021
ARB0 started with pid=29, OS id=17504
NOTE: assigning ARB0 to group 1/0xbefb6a6b (OCR) with 1 parallel I/O
cellip.ora not found.
NOTE: F1X0 copy 3 relocating from 65534:4294967294 to 2:2 for diskgroup 1 (OCR)