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This article mainly introduces how to maintain, add and delete ASM disks. It is very detailed and has certain reference value. Friends who are interested must finish reading it.

All operations need to be done in sqlplus / as sysasm. Otherwise, a permission error will be reported.

Manually add a disk group

/ sbin/scsi_id-whitelisted-replace-whitespace-device=/dev/sdb 36000c29d5c702fe63ad8b0521db134df KERNEL== "sd*", BUS== "scsi", PROGRAM== "/ sbin/scsi_id-whitelisted-replace-whitespace-device=/dev/$name", RESULT== "36000c29f42b8c01a43b175eb67f7500c", NAME= "asm-diski", OWNER= "grid", GROUP= "asmadmin", MODE= "0660"

CREATE DISKGROUP data3 EXTERNAL REDUNDANCY DISK'/ dev/asm-diski';-Node 2 execution

Alter diskgroup data3 mount; to see if it can start automatically.

Show parameter asm_diskgroups

2: expand the disk group

Select group_number,disk_number, path from v$asm_disk

Path found

Expanded disk pack

Alter diskgroup data2 add disk'/ dev/asm-diski'

ALTER DISKGROUP DATA2 REBALANCE POWER 10

The view is balanced.

Select operation,est_minutes from v$asm_operation

Modify it back when it is finished

Alter diskgroup DATA rebalance power 1; or: do the equilibrium directly

Alter diskgroup DATA add disk'/ dev/asm-diski' rebalance power 10

3. Asm disk operation

Uninstall, deletin

Alter diskgroup data dismount

-instance + ASM2 unmount ASM disk group data

Drop diskgroup data force including contents; Diskgroup dropped. -Delete ASM disk group data

The above is all the contents of this article "how to maintain, add and delete ASM disks". Thank you for reading! Hope to share the content to help you, more related knowledge, welcome to follow the industry information channel!

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