方法一：acfsutil registry
用于general purpose ACFS filesystems，与其他Resource没有关联关系，使用此方法注册后在registry 里有一份该FS的信息，同时在clustware资源组里也能看到该FS的信息
方法二：srvctl add filesystem
用于在11g里被称为CRS-Managed ACFS filesystems的ACFS文件系统，和其它资源存在依赖关系，比如基于ACFS的Database Home，使用此方法注册后仅在clustware资源组里能看到该FS的信息，acfsutil registry输出是空的，若此时再想通过acfsutil registry -a来注册这个FS的信息，会得到ACFS-03131: volume /dev/asm/acfsvol11-418 already exists in theOracle Registry as。。。错误，可见acfsutil registry和clustware里的ACFS信息是共享的，互相间不能重复的。
环境准备：
create diskgroup acfsdg1 external redundancy disk'/dev/raw/raw1' size 1024m attribute'compatible.rdbms'='12.1.0.0.0','compatible.asm'='12.1.0.0.0','compatible.advm'='12.1.0.0.0';
alter diskgroup acfsdg1 add volume acfsvol11 size400m;
mkfs -t acfs -v /dev/asm/acfsvol11-418 400M; --grid或root执行
? Acfsutil registry的使用：
--准备工作中建好ADVM后可以看到clusterwareResource中已经有了Advm
root@ora12c1:/>crsctl status res -t
--------------------------------------------------------------------------------
Name Target State Server Statedetails
--------------------------------------------------------------------------------
Local Resources
--------------------------------------------------------------------------------
ora.ACFSDG1.ACFSVOL11.advm
ONLINE ONLINE ora12c1 Volumedevice /dev/a
sm/acfsvol11-418 is
online,STABLE
ONLINE ONLINE ora12c2 Volumedevice /dev/a
sm/acfsvol11-418 is
online,STABLE
--root[C1] 用户执行acfsutilregistry注册ACFS到OCR，看到/acfs1已经在两个节点自动mount
root@ora12c1:/>acfsutil registry -a/dev/asm/acfsvol11-418 /acfs1 –Root用户执行
acfsutil registry: mount point /acfs1successfully added to Oracle Registry
root@ora12c1:/>df -h
Filesystem Size Used Avail Use% Mounted on
/dev/sda2 7.9G 5.5G 2.1G 73% /
tmpfs 1.9G 1.3G 671M 66% /dev/shm
/dev/sda1 248M 50M 186M 21% /boot
/dev/sda5 504M 23M 456M 5% /tmp
/dev/mapper/homevg-home_lv
2.7G 36M 2.6G 2% /home
/dev/mapper/oraclevg-oracle_lv
32G 28G 2.6G 92% /oracle12c
ORA12c 585G 325G 261G 56% /media/sf_ORA12c
/dev/asm/acfsvol11-418
root@ora12c2:/>df -h
Filesystem Size Used Avail Use% Mounted on
/dev/sda2 7.9G 5.5G 2.1G 73% /
tmpfs 1.9G 1.3G 673M 65% /dev/shm
/dev/sda1 248M 50M 186M 21% /boot
/dev/sda5 504M 23M 456M 5% /tmp
/dev/mapper/homevg-home_lv
2.7G 744M 1.9G 29% /home
/dev/mapper/oraclevg-oracle_lv
32G 12G 18G 40% /oracle12c
ORA12c 585G 325G 261G 56% /media/sf_ORA12c
/dev/asm/acfsvol11-418
416M 78M 339M 19% /acfs1
--clusterware resource里也加入了/acfs1
root@ora12c2:/>crsctl status res -t
--------------------------------------------------------------------------------
Name Target State Server Statedetails
--------------------------------------------------------------------------------
Local Resources
ora.acfsdg1.acfsvol11.acfs
ONLINE ONLINE ora12c1 mountedon /acfs1,ST
ABLE
ONLINE ONLINE ora12c2 mountedon /acfs1,ST
ABLE
--查看资源的AUTO_START属性为Always
root@ora12c1:/oracle12c>crsctl status resora.acfsdg1.acfsvol11.acfs -f | grep AUTO_START
AUTO_START=always
--acfsutil registry里有了注册的信息
root@ora12c2:/>acfsutil registry
Mount Object:
Device: /dev/asm/acfsvol11-418
Mount Point: /acfs1
Disk Group: ACFSDG1
Volume: ACFSVOL11
Options: none
Nodes: all
--这两个视图应该是包含mountedacfs volumes的，但不知为何没有记录？
select * from v$asm_filesystem
select * from v$asm_acfsvolumes
--使用srvctl addfilesystems尝试将/acfs1加入clusterware资源，显示资源已经加入
grid@ora12c1:/home/grid>srvctl add filesystem-device /dev/asm/acfsvol11-418 -path /acfs1
PRCA-1022 : ACFS file system resourcealready exists for disk group acfsdg1 and volume acfsvol11
--Umount /acfs1，同时删除/acfs1注册信息[C3]
acfsutil registry -d /acfs1 --root执行
--注册信息已无法查询到，两节点上/acfs1也已被Umount
root@ora12c1:/>acfsutil registry
结果为空
root@ora12c1:/>df -k
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/sda2 8256952 5686276 2151248 73% /
tmpfs 1962100 1275388 686712 66% /dev/shm
/dev/sda1 253871 50455 190309 21% /boot
/dev/sda5 516040 23328 466500 5% /tmp
/dev/mapper/homevg-home_lv
2830288 36712 2650040 2% /home
/dev/mapper/oraclevg-oracle_lv
33011568 28720344 2614324 92% /oracle12c
ORA12c 613414908 340800332272614576 56% /media/sf_ORA12c
root@ora12c2:/>df -k
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/sda2 8256952 5686468 2151056 73% /
tmpfs 1962100 1273868 688232 65% /dev/shm
/dev/sda1 253871 50456 190308 21% /boot
/dev/sda5 516040 23300 466528 5% /tmp
/dev/mapper/homevg-home_lv
2830288 761588 1925164 29% /home
/dev/mapper/oraclevg-oracle_lv
33011568 12515524 18819144 40% /oracle12c
ORA12c 613414908 340800332272614576 56% /media/sf_ORA12c
--clustware中也已经没有了ora.acfsdg1.acfsvol11.acfs资源信息
root@ora12c2:/>crsctl status res –t
? Srvctl add filesystem的使用：
--加入/acfs3资源到clustwareresource
root@ora12c2:/>srvctl add[C4] filesystem -device /dev/asm/acfsvol11-418 -path /acfs3[C5]
--查看ora.acfsdg1.acfsvol11.acfs资源已经创建但状态为Offline
root@ora12c2:/>crsctl status res –t
--------------------------------------------------------------------------------
Name Target State Server State details
--------------------------------------------------------------------------------
Local Resources
ora.acfsdg1.acfsvol11.acfs
OFFLINE OFFLINE ora12c1 STABLE
OFFLINE OFFLINE ora12c2 STABLE
--启动资源
srvctl start filesystem -device/dev/asm/acfsvol11-418
--查看ora.acfsdg1.acfsvol11.acfs资源已经Mount，检查/acfs3已经在两节点Mount
root@ora12c2:/>crsctl status res –t
--------------------------------------------------------------------------------
Name Target State Server Statedetails
--------------------------------------------------------------------------------
Local Resources
ora.acfsdg1.acfsvol11.acfs
ONLINE ONLINE ora12c1 mountedon /acfs3,ST
ABLE
ONLINE ONLINE ora12c2 mountedon /acfs3,ST
ABLE
root@ora12c2:/>df
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/sda2 8256952 5686504 2151020 73% /
tmpfs 1962100 1273924 688176 65% /dev/shm
/dev/sda1 253871 50456 190308 21% /boot
/dev/sda5 516040 23304 466524 5% /tmp
/dev/mapper/homevg-home_lv
2830288 761588 1925164 29% /home
/dev/mapper/oraclevg-oracle_lv
33011568 12516692 18817976 40% /oracle12c
ORA12c 613414908 340815776272599132 56% /media/sf_ORA12c
/dev/asm/acfsvol11-418
425984 79136 346848 19% /acfs3
root@ora12c1:/>df
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/sda2 8256952 5686296 2151228 73% /
tmpfs 1962100 1274368 687732 65% /dev/shm
/dev/sda1 253871 50455 190309 21% /boot
/dev/sda5 516040 23328 466500 5% /tmp
/dev/mapper/homevg-home_lv
2830288 36712 2650040 2% /home
/dev/mapper/oraclevg-oracle_lv
33011568 28736400 2598268 92% /oracle12c
ORA12c 613414908 340815840272599068 56% /media/sf_ORA12c
/dev/asm/acfsvol11-418
425984 79136 346848 19% /acfs3
--查看资源的AUTO_START属性为restore[C6]
root@ora12c1:/oracle12c>crsctl status resora.acfsdg1.acfsvol11.acfs -f | grep AUTO_START
AUTO_START=restore
root@ora12c1:/>acfsutil registry
结果为空
[C1]此处若加-u USER代表名为USER的用户可以使用srvctlstart/stop filesystem来mount/umount这个FS；若使用acfsutil registry –d命令也可以起到将FS umount的效果但是会受到如下报错：CRS-0245: User doesn't haveenough privilege to perform the operation
acfsutil registry: ACFS-03145: unableto remove ACFS volume /dev/asm/acfsvol11-418 from Oracle Registry；和srvctl不同的是使用acfsutilregistry –a是不能够将FS mount的，因为acfstuil registry –a需要先注册，再Mount，注册的动作只有root能做
[C2]/acfs1目录不必预先用mkdir创建，注册完后会自动建
[C3]也可以使用1、2两条命令代替，效果一样：
1、 srvctl stop filesystem -device /dev/asm/acfsvol11-418
2、 srvctl remove filesystem -device /dev/asm/acfsvol11-418
[C5]/acfs3目录会自动创建
[C6]注意若用acfstutilregistry -a注册后，此处属性值是Always
[C7]为空的原因是使用srvctladd fileystem后/acfs3成为了crs-managed acfs filesystem，所以其启动和停止要视资源之间的依赖关系而定。加到registry里意味着每次机器启动后都要启动。所以registry是空的
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