Offline disk group

fast disk resync

 On disk in offline During this period of time ,ASM Continuous tracking needs to be done in offline Modification on the disk .
online after ASM These changes will be applied to the disk .

alter diskgroup ssddg offline disks in failgroup ssd01;

SQL> alter diskgroup ssddg offline disks in failgroup ssd01
2022-02-15T18:23:54.939962+08:00
NOTE: DRTimer CD Create:  for disk group 2 disks:

NOTE: process _user41508_+asm2 (41508) initiating offline of disk 0.4041717961 (SSDDG_0000) with mask 0x7e in group 2 (SSDDG) without client assisting
NOTE: process _user41508_+asm2 (41508) initiating offline of disk 1.4041717960 (SSDDG_0001) with mask 0x7e in group 2 (SSDDG) without client assisting
NOTE: process _user41508_+asm2 (41508) initiating offline of disk 2.4041717959 (SSDDG_0002) with mask 0x7e in group 2 (SSDDG) without client assisting
NOTE: process _user41508_+asm2 (41508) initiating offline of disk 3.4041717958 (SSDDG_0003) with mask 0x7e in group 2 (SSDDG) without client assisting
NOTE: process _user41508_+asm2 (41508) initiating offline of disk 4.4041717957 (SSDDG_0004) with mask 0x7e in group 2 (SSDDG) without client assisting
NOTE: initiating PST update: grp 2 (SSDDG), dsk = 0/0xf0e7b8c9, mask = 0x6a, op = clear mandatory
NOTE: initiating PST update: grp 2 (SSDDG), dsk = 1/0xf0e7b8c8, mask = 0x6a, op = clear mandatory
NOTE: initiating PST update: grp 2 (SSDDG), dsk = 2/0xf0e7b8c7, mask = 0x6a, op = clear mandatory
NOTE: initiating PST update: grp 2 (SSDDG), dsk = 3/0xf0e7b8c6, mask = 0x6a, op = clear mandatory
NOTE: initiating PST update: grp 2 (SSDDG), dsk = 4/0xf0e7b8c5, mask = 0x6a, op = clear mandatory
2022-02-15T18:23:54.948651+08:00
GMON updating disk modes for group 2 at 17 for pid 34, osid 41508
cluster guid (19c825cfae34ffefff565f5a6c5c679f) generated for PST Hbeat for instance 2
cluster guid (19c825cfae34ffefff565f5a6c5c679f) generated for PST Hbeat for instance 2
cluster guid (19c825cfae34ffefff565f5a6c5c679f) generated for PST Hbeat for instance 2
cluster guid (19c825cfae34ffefff565f5a6c5c679f) generated for PST Hbeat for instance 2
cluster guid (19c825cfae34ffefff565f5a6c5c679f) generated for PST Hbeat for instance 2
ARBA started with pid=36, OS id=2373
NOTE: starting process ARB0
Starting background process ARB0
2022-02-15T18:26:16.942743+08:00
ARB0 started with pid=44, OS id=2376
NOTE: assigning ARBA to group 2/0xda874857 (SSDDG) to compute estimates
NOTE: assigning ARB0 to group 2/0xda874857 (SSDDG) with 1 parallel I/O
2022-02-15T18:26:16.980568+08:00
NOTE: Starting resync using Staleness Registry and ATE scan for group 2
2022-02-15T18:26:23.016548+08:00
NOTE: Starting resync using Staleness Registry and ATE scan for group 2
NOTE: header on disk 0 advanced to format #2 using fcn 0.0
NOTE: F1X0 on disk 0 (fmt 2) relocated at fcn 0.57089: AU 0 -> AU 2
NOTE: F1B1 fcn on disk 9 synced at fcn 0.57089
NOTE: F1B1 fcn on disk 13 synced at fcn 0.57089
2022-02-15T18:26:25.856306+08:00
NOTE: initiating PST update: grp 2 (SSDDG), dsk = 0/0x0, mask = 0x7f, op = assign mandatory
NOTE: initiating PST update: grp 2 (SSDDG), dsk = 1/0x0, mask = 0x7f, op = assign mandatory
NOTE: initiating PST update: grp 2 (SSDDG), dsk = 2/0x0, mask = 0x7f, op = assign mandatory
NOTE: initiating PST update: grp 2 (SSDDG), dsk = 3/0x0, mask = 0x7f, op = assign mandatory
NOTE: initiating PST update: grp 2 (SSDDG), dsk = 4/0x0, mask = 0x7f, op = assign mandatory
2022-02-15T18:26:25.856761+08:00
GMON updating disk modes for group 2 at 27 for pid 44, osid 2376
2022-02-15T18:26:25.879461+08:00
NOTE: PST update grp = 2 completed successfully
NOTE: reset timers for disk: 0
NOTE: reset timers for disk: 1
NOTE: reset timers for disk: 2
NOTE: reset timers for disk: 3
NOTE: reset timers for disk: 4
NOTE: completed online of disk group 2 disks
SSDDG_0000 (0)
SSDDG_0001 (1)
SSDDG_0002 (2)
SSDDG_0003 (3)
SSDDG_0004 (4)

2022-02-15T18:26:25.949483+08:00
NOTE: stopping process ARBA
NOTE: stopping process ARB0
NOTE: Starting expel slave for group 2/0xda874857 (SSDDG)
2022-02-15T18:26:25.970349+08:00
NOTE: GroupBlock outside rolling migration privileged region
NOTE: requesting all-instance membership refresh for group=2
2022-02-15T18:26:25.997227+08:00
NOTE: membership refresh pending for group 2/0xda874857 (SSDDG)
2022-02-15T18:26:25.998629+08:00
GMON querying group 2 at 28 for pid 26, osid 28875
2022-02-15T18:26:26.018513+08:00
SUCCESS: refreshed membership for 2/0xda874857 (SSDDG)
2022-02-15T18:26:28.983565+08:00
SUCCESS: rebalance completed for group 2/0xda874857 (SSDDG)
NOTE: Attempting voting file refresh on diskgroup SSDDG
NOTE: Refresh completed on diskgroup SSDDG. No voting file found.

asmcmd online -G ssddg -a

alter diskgroup ssddg online all;