通过ACFS创建共享的文件系统

2021-03-30 00:00:00 集群生产节点方式文件系统

安装ACFS

[root@test1 bin]# ./acfsroot install

ACFS-9300: ADVM/ACFS distribution files found.

ACFS-9312: Existing ADVM/ACFS installation detected.

ACFS-9314: Removing previous ADVM/ACFS installation.

ACFS-9315: Previous ADVM/ACFS components successfully removed.

ACFS-9307: Installing requested ADVM/ACFS software.

ACFS-9308: Loading installed ADVM/ACFS drivers.

ACFS-9321: Creating udev for ADVM/ACFS.

ACFS-9323: Creating module dependencies - this may take some time.

ACFS-9154: Loading 'oracleoks.ko' driver.

ACFS-9154: Loading 'oracleadvm.ko' driver.

ACFS-9154: Loading 'oracleacfs.ko' driver.

ACFS-9327: Verifying ADVM/ACFS devices.

ACFS-9156: Detecting control device '/dev/asm/.asm_ctl_spec'.

ACFS-9156: Detecting control device '/dev/ofsctl'.

ACFS-9309: ADVM/ACFS installation correctness verified

加载ADVM/ACFS drivers

[root@test1 bin]# ./acfsload start

ACFS-9391: Checking for existing ADVM/ACFS installation.

ACFS-9392: Validating ADVM/ACFS installation files for operating system.

ACFS-9393: Verifying ASM Administrator setup.

ACFS-9308: Loading installed ADVM/ACFS drivers.

ACFS-9327: Verifying ADVM/ACFS devices.

ACFS-9156: Detecting control device '/dev/asm/.asm_ctl_spec'.

ACFS-9156: Detecting control device '/dev/ofsctl'.

ACFS-9322: completed

用ASMCA的方式简单

使用asmca静默方式创建ADVM 逻辑卷

[grid@test1 ~]$ asmca -silent -createVolume -volumename vol2 -volumeDiskGroup ASMVG1 -volumeSizeGB 1;

Volumes fetched successfully. Check /oracle/grid/cfgtoollogs/asmca/asmca-210330AM104752.log for details.

通过视图查看acfs volume信息

SQL> select group_number,VOLUME_NAME,SIZE_MB,STATE,VOLUME_DEVICE from v$asm_volume

GROUP_NUMBER VOLUME_NAME SIZE_MB STATE VOLUME_DEVICE

------------ ------------------------------ ---------- -------- ------------------------------

2 VOL2 1024 DISABLED /dev/asm/vol2-84

都在节点一执行

[grid@test1 ~]$ asmca -silent -createVolume -volumename vol2 -volumeDiskGroup ASMVG1 -volumeSizeGB 1;

Volumes fetched successfully. Check /oracle/grid/cfgtoollogs/asmca/asmca-210330AM113358.log for details.

[grid@test1 ~]$ asmca -silent -createACFS -acfsVolumeDevice /dev/asm/vol2-84 -acfsMountPoint /sharedacfs;

ASM Cluster File System created on /dev/asm/vol2-84 successfully. Run the generated ACFS registration script /oracle/grid/cfgtoollogs/asmca/scripts/acfs_script.sh as privileged user to register the ACFS with Grid Infrastructure and to mount the ACFS. The ACFS registration script needs to be run only on this node: test1.

执行脚本

[root@test1 ~]# /oracle/grid/cfgtoollogs/asmca/scripts/acfs_script.sh

ACFS file system /sharedacfs is mounted on nodes test1,test2

集群状态

ora.ASMVG1.VOL2.advm

ONLINE ONLINE test1 STABLE

ONLINE ONLINE test2 STABLE

ora.ASMVG1.dg

ONLINE ONLINE test1 STABLE

ONLINE ONLINE test2 STABLE

ora.LISTENER.lsnr

ONLINE ONLINE test1 STABLE

ONLINE ONLINE test2 STABLE

ora.asm

ONLINE ONLINE test1 Started,STABLE

ONLINE ONLINE test2 Started,STABLE

ora.asmvg1.vol2.acfs

ONLINE ONLINE test1 mounted on /sharedacfs,STABLE

ONLINE ONLINE test2 mounted on /sharedacfs,STABLE

通过acfsutil工具查看当前的ACFS 文件系统

[grid@test2 ~]$ acfsutil info fs

/stage

ACFS Version: 12.1.0.2.0

on-disk version: 39.0

flags: MountPoint,Available

mount time: Tue Mar 30 12:36:54 2021

allocation unit: 4096

volumes: 1

total size: 1073741824 ( 1.00 GB )

total free: 991641600 ( 945.70 MB )

file entry table allocation: 49152

primary volume: /dev/asm/vol1-84

label:

state: Available

major, minor: 251, 43009

size: 1073741824 ( 1.00 GB )

free: 991641600 ( 945.70 MB )

ADVM diskgroup ASMVG1

ADVM resize increment: 67108864

ADVM redundancy: unprotected

ADVM stripe columns: 8

ADVM stripe width: 1048576

number of snapshots:

snapshot space usage: 0 ( 0.00 )

replication status: DISABLED

/sharedacfs

ACFS Version: 12.1.0.2.0

on-disk version: 39.0

flags: MountPoint,Available

mount time: Tue Mar 30 12:36:54 2021

allocation unit: 4096

volumes: 1

total size: 1073741824 ( 1.00 GB )

total free: 991641600 ( 945.70 MB )

file entry table allocation: 49152

primary volume: /dev/asm/vol2-84

label:

state: Available

major, minor: 251, 43010

size: 1073741824 ( 1.00 GB )

free: 991641600 ( 945.70 MB )

ADVM diskgroup ASMVG1

ADVM resize increment: 67108864

ADVM redundancy: unprotected

ADVM stripe columns: 8

ADVM stripe width: 1048576

number of snapshots:

snapshot space usage: 0 ( 0.00 )

replication status: DISABLED

修改共享文件系统权限，在一个节点执行即可

root@test1 stage]# chown -R oracle.dba /sharedacfs/

[root@test1 stage]# chmod -R 755 /sharedacfs/

[root@test1 stage]#

[root@test1 stage]# ls -lrt /sharedacfs/

total 64

drwxr-xr-x 2 oracle dba 65536 Mar 30 11:39 lost+found

-rwxr-xr-x 1 oracle dba 0 Mar 30 11:42 test.sh

另一个节点确认看到该文件

[root@test2 stage]# ls /sharedacfs/

test.sh

补充：也可以通过asmcmd指令行方式或者asmca图形化方式，下面资料来自12C-doc

https://docs.oracle.com/database/121/OSTMG/GUID-4C98CF06-8CCC-45F1-9316-C40FB3EFF268.htm#OSTMG94787

To create a volume:

ASMCMD [+] > volcreate -G data -s 10G volume1

ASMCMD [+] > volinfo -G data volume1

Diskgroup Name: DATA

Volume Name: VOLUME1

Volume Device: /dev/asm/volume1-123

State: ENABLED

...

SQL> SELECT volume_name, volume_device FROM V$ASM_VOLUME

WHERE volume_name ='VOLUME1';

VOLUME_NAME VOLUME_DEVICE

----------------- --------------------------------------

VOLUME1 /dev/asm/volume1-123

Create a file system with the Oracle ACFS mkfs command.

Create a file system using an existing volume device.

For example:

$ /sbin/mkfs -t acfs /dev/asm/volume1-123

mkfs.acfs: version = 11.2.0.1.0.0

mkfs.acfs: on-disk version = 39.0

mkfs.acfs: volume = /dev/asm/volume1-123

mkfs.acfs: volume size = 10737418240

mkfs.acfs: Format complete.

Optionally register the file system with the acfsutil registry command.

For example:

$ /sbin/acfsutil registry -a /dev/asm/volume1-123 /acfsmounts/acfs1

acfsutil registry: mount point /acfsmounts/acfs1 successfully added

to Oracle Registry

这个步骤是可选的，还是建议注册，使得集群节点自动mount文件系统

5 挂载ACFS到挂载点，这个挂载点要提前准备好

Mount the file system with the Oracle ACFS mount command. You can mount a file system before or after registering the file system. If the file system has been registered, you can wait for the file system to be mounted automatically.For example:
# /bin/mount -t acfs /dev/asm/volume1-123 /acfsmounts/acfs1
See "mount" (Linux environments) or "acfsmountvol" (Windows). The root privilege is required to run the mount command and the Windows Administrator privilege is required to run the acfsmountvol command.
After the file system has been mounted, ensure that the permissions are set to allow access to the file system for the appropriate users. For example:
# chown -R oracle:dba /acfsmounts/acfs

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