
原作者:Bane Radulovic
译者: 邱大龙
审核: 魏兴华
DBGeeK社群联合出品
DISK '/dev/sdc5', '/dev/sdc6', '/dev/sdc7', '/dev/sdc8', '/dev/sdc9';
Diskgroup created.
SQL> CREATE DISKGROUP DG1 EXTERNAL REDUNDANCY
DISK '/dev/sdc5', '/dev/sdc6', '/dev/sdc7', '/dev/sdc8', '/dev/sdc9'
Sat Aug 31 20:44:59 2013
NOTE: Assigning number (2,0) to disk (/dev/sdc5)
NOTE: Assigning number (2,1) to disk (/dev/sdc6)
NOTE: Assigning number (2,2) to disk (/dev/sdc7)
NOTE: Assigning number (2,3) to disk (/dev/sdc8)
NOTE: Assigning number (2,4) to disk (/dev/sdc9)
...
NOTE: initiating PST update: grp = 2
Sat Aug 31 20:45:00 2013
GMON updating group 2 at 50 for pid 22, osid 9873
NOTE: group DG1: initial PST location: disk 0000 (PST copy 0)
Sat Aug 31 20:45:00 2013
NOTE: PST update grp = 2 completed successfully
...
Diskgroup dropped.
SQL> CREATE DISKGROUP DG1 NORMAL REDUNDANCY
DISK '/dev/sdc5', '/dev/sdc6', '/dev/sdc7', '/dev/sdc8', '/dev/sdc9';
Diskgroup created.
SQL> CREATE DISKGROUP DG1 NORMAL REDUNDANCY
DISK '/dev/sdc5', '/dev/sdc6', '/dev/sdc7', '/dev/sdc8', '/dev/sdc9'
Sat Aug 31 20:49:28 2013
NOTE: Assigning number (2,0) to disk (/dev/sdc5)
NOTE: Assigning number (2,1) to disk (/dev/sdc6)
NOTE: Assigning number (2,2) to disk (/dev/sdc7)
NOTE: Assigning number (2,3) to disk (/dev/sdc8)
NOTE: Assigning number (2,4) to disk (/dev/sdc9)
...
Sat Aug 31 20:49:28 2013
NOTE: group 2 PST updated.
NOTE: initiating PST update: grp = 2
Sat Aug 31 20:49:28 2013
GMON updating group 2 at 68 for pid 22, osid 9873
NOTE: group DG1: initial PST location: disk 0000 (PST copy 0)
NOTE: group DG1: initial PST location: disk 0001 (PST copy 1)
NOTE: group DG1: initial PST location: disk 0002 (PST copy 2)
Sat Aug 31 20:49:28 2013
NOTE: PST update grp = 2 completed successfully
...
Diskgroup dropped.
SQL> CREATE DISKGROUP DG1 HIGH REDUNDANCY
DISK '/dev/sdc5', '/dev/sdc6', '/dev/sdc7', '/dev/sdc8', '/dev/sdc9';
Diskgroup created.
SQL> CREATE DISKGROUP DG1 HIGH REDUNDANCY
DISK '/dev/sdc5', '/dev/sdc6', '/dev/sdc7', '/dev/sdc8', '/dev/sdc9'
Sat Aug 31 20:51:52 2013
NOTE: Assigning number (2,0) to disk (/dev/sdc5)
NOTE: Assigning number (2,1) to disk (/dev/sdc6)
NOTE: Assigning number (2,2) to disk (/dev/sdc7)
NOTE: Assigning number (2,3) to disk (/dev/sdc8)
NOTE: Assigning number (2,4) to disk (/dev/sdc9)
...
Sat Aug 31 20:51:53 2013
NOTE: group 2 PST updated.
NOTE: initiating PST update: grp = 2
Sat Aug 31 20:51:53 2013
GMON updating group 2 at 77 for pid 22, osid 9873
NOTE: group DG1: initial PST location: disk 0000 (PST copy 0)
NOTE: group DG1: initial PST location: disk 0001 (PST copy 1)
NOTE: group DG1: initial PST location: disk 0002 (PST copy 2)
NOTE: group DG1: initial PST location: disk 0003 (PST copy 3)
NOTE: group DG1: initial PST location: disk 0004 (PST copy 4)
Sat Aug 31 20:51:53 2013
NOTE: PST update grp = 2 completed successfully
...
Diskgroup dropped.
SQL> CREATE DISKGROUP DG1 NORMAL REDUNDANCY
DISK '/dev/sdc5', '/dev/sdc6', '/dev/sdc7', '/dev/sdc8';
Diskgroup created.
NOTE: group DG1: initial PST location: disk 0001 (PST copy 1)
NOTE: group DG1: initial PST location: disk 0002 (PST copy 2)
where group_number = (select group_number from v$asm_diskgroup_stat where name='DG1');
DISK_NUMBER NAME PATH
----------- ------------------------------ ----------------
3 DG1_0003 dev/sdc8
2 DG1_0002 dev/sdc7
1 DG1_0001 dev/sdc6
0 DG1_0000 /dev/sdc5
SQL> alter diskgroup DG1 drop disk DG1_0000;
Diskgroup altered.
SQL> alter diskgroup DG1 drop disk DG1_0000
...
NOTE: initiating PST update: grp 2 (DG1), dsk = 0/0xe9687ff6, mask = 0x6a, op = clear
Sat Aug 31 21:04:37 2013
GMON updating disk modes for group 2 at 96 for pid 24, osid 16502
NOTE: group DG1: updated PST location: disk 0001 (PST copy 0)
NOTE: group DG1: updated PST location: disk 0002 (PST copy 1)
NOTE: group DG1: updated PST location: disk 0003 (PST copy 2)
...
grpNum: 2
grpTyp: 2
state: 1
callCnt: 103
bforce: 0x0
(lockvalue) valid=1 ver=0.0 ndisks=3 flags=0x3 from inst=0 (I am 1) last=0
--------------- HDR --------------------
next: 7
last: 7
pst count: 3
pst locations: 1 2 3
incarn: 4
dta size: 4
version: 0
ASM version: 168820736 = 10.1.0.0.0
contenttype: 0
--------------- LOC MAP ----------------
0: dirty 0 cur_loc: 0 stable_loc: 0
1: dirty 0 cur_loc: 0 stable_loc: 0
--------------- DTA --------------------
1: sts v v(rw) p(rw) a(x) d(x) fg# = 0 addTs = 0 parts: 2 (amp) 3 (amp)
2: sts v v(rw) p(rw) a(x) d(x) fg# = 0 addTs = 0 parts: 1 (amp) 3 (amp)
3: sts v v(rw) p(rw) a(x) d(x) fg# = 0 addTs = 0 parts: 1 (amp) 2 (amp)
...
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