準備建立RAC，在測試使用ASM 時，遇到建立 ASM時總是出錯。

后經測試發現，主要問題還是在分區時選擇項目出錯了。

當分區的類型為：EXTENDED時，不能通過。

?? Device Boot????? Start???????? End????? Blocks?? Id? System
/dev/sdd1?????????????? 1???????? 102????? 104432??? 5? Extended

?

當修改成：

?

?? Device Boot????? Start???????? End????? Blocks?? Id? System
/dev/sdd1?????????????? 1???????? 102????? 104432?? 83? Linux

?

后，問題解決。

?

下面為總個過程

?

?

[root@testdb 11.2.0]# /etc/init.d/oracleasm createdisk VOLB /dev/sdd1
Marking disk "VOLB" as an ASM disk:??????????????????????? [FAILED]

[root@testdb 11.2.0]# fdisk -l

Disk /dev/sda: 42.9 GB, 42949672960 bytes
255 heads, 63 sectors/track, 5221 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

?? Device Boot????? Start???????? End????? Blocks?? Id? System
/dev/sda1?? *?????????? 1??????? 1912??? 15358108+? 83? Linux
/dev/sda2??????????? 1913??????? 2549???? 5116702+? 83? Linux
/dev/sda3??????????? 2550??????? 2811???? 2104515?? 82? Linux swap
/dev/sda4??????????? 2812??????? 5221??? 19358325??? 5? Extended
/dev/sda5??????????? 2812??????? 5221??? 19358293+? 83? Linux
Warning: invalid flag 0x0000 of partition table 5 will be corrected by w(rite)

Disk /dev/sdb: 106 MB, 106954752 bytes
64 heads, 32 sectors/track, 102 cylinders
Units = cylinders of 2048 * 512 = 1048576 bytes

?? Device Boot????? Start???????? End????? Blocks?? Id? System
/dev/sdb1?????????????? 1???????? 102????? 104432??? 5? Extended

Disk /dev/sdc: 106 MB, 106954752 bytes
64 heads, 32 sectors/track, 102 cylinders
Units = cylinders of 2048 * 512 = 1048576 bytes

?? Device Boot????? Start???????? End????? Blocks?? Id? System
Warning: invalid flag 0x0000 of partition table 5 will be corrected by w(rite)

Disk /dev/sdd: 106 MB, 106954752 bytes
64 heads, 32 sectors/track, 102 cylinders
Units = cylinders of 2048 * 512 = 1048576 bytes

?? Device Boot????? Start???????? End????? Blocks?? Id? System
/dev/sdd1?????????????? 1???????? 102????? 104432??? 5? Extended

[root@testdb 11.2.0]# fdisk /dev/sdd
Warning: invalid flag 0x0000 of partition table 5 will be corrected by w(rite)

Command (m for help): d
Selected partition 1

Command (m for help): w
The partition table has been altered!

Calling ioctl() to re-read partition table.
Syncing disks.
[root@testdb 11.2.0]# fdisk -l

Disk /dev/sda: 42.9 GB, 42949672960 bytes
255 heads, 63 sectors/track, 5221 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

?? Device Boot????? Start???????? End????? Blocks?? Id? System
/dev/sda1?? *?????????? 1??????? 1912??? 15358108+? 83? Linux
/dev/sda2??????????? 1913??????? 2549???? 5116702+? 83? Linux
/dev/sda3??????????? 2550??????? 2811???? 2104515?? 82? Linux swap
/dev/sda4??????????? 2812??????? 5221??? 19358325??? 5? Extended
/dev/sda5??????????? 2812??????? 5221??? 19358293+? 83? Linux
Warning: invalid flag 0x0000 of partition table 5 will be corrected by w(rite)

Disk /dev/sdb: 106 MB, 106954752 bytes
64 heads, 32 sectors/track, 102 cylinders
Units = cylinders of 2048 * 512 = 1048576 bytes

?? Device Boot????? Start???????? End????? Blocks?? Id? System
/dev/sdb1?????????????? 1???????? 102????? 104432??? 5? Extended

Disk /dev/sdc: 106 MB, 106954752 bytes
64 heads, 32 sectors/track, 102 cylinders
Units = cylinders of 2048 * 512 = 1048576 bytes

?? Device Boot????? Start???????? End????? Blocks?? Id? System

Disk /dev/sdd: 106 MB, 106954752 bytes
64 heads, 32 sectors/track, 102 cylinders
Units = cylinders of 2048 * 512 = 1048576 bytes

?? Device Boot????? Start???????? End????? Blocks?? Id? System
[root@testdb 11.2.0]# fdisk /dev/sdd

Command (m for help): n
Command action
?? e?? extended
?? p?? primary partition (1-4)
p
Partition number (1-4): 1
First cylinder (1-102, default 1): 1
Last cylinder or +size or +sizeM or +sizeK (1-102, default 102): 102

Command (m for help): w
The partition table has been altered!

Calling ioctl() to re-read partition table.
Syncing disks.
[root@testdb 11.2.0]# fdisk -l

Disk /dev/sda: 42.9 GB, 42949672960 bytes
255 heads, 63 sectors/track, 5221 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

?? Device Boot????? Start???????? End????? Blocks?? Id? System
/dev/sda1?? *?????????? 1??????? 1912??? 15358108+? 83? Linux
/dev/sda2??????????? 1913??????? 2549???? 5116702+? 83? Linux
/dev/sda3??????????? 2550??????? 2811???? 2104515?? 82? Linux swap
/dev/sda4??????????? 2812??????? 5221??? 19358325??? 5? Extended
/dev/sda5??????????? 2812??????? 5221??? 19358293+? 83? Linux
Warning: invalid flag 0x0000 of partition table 5 will be corrected by w(rite)

Disk /dev/sdb: 106 MB, 106954752 bytes
64 heads, 32 sectors/track, 102 cylinders
Units = cylinders of 2048 * 512 = 1048576 bytes

?? Device Boot????? Start???????? End????? Blocks?? Id? System
/dev/sdb1?????????????? 1???????? 102????? 104432??? 5? Extended

Disk /dev/sdc: 106 MB, 106954752 bytes
64 heads, 32 sectors/track, 102 cylinders
Units = cylinders of 2048 * 512 = 1048576 bytes

?? Device Boot????? Start???????? End????? Blocks?? Id? System

Disk /dev/sdd: 106 MB, 106954752 bytes
64 heads, 32 sectors/track, 102 cylinders
Units = cylinders of 2048 * 512 = 1048576 bytes

?? Device Boot????? Start???????? End????? Blocks?? Id? System
/dev/sdd1?????????????? 1???????? 102????? 104432?? 83? Linux

[root@testdb 11.2.0]# /etc/init.d/oracleasm createdisk VOLB /dev/sdd1
Marking disk "VOLB" as an ASM disk:??????????????????????? [? OK? ]
[root@testdb 11.2.0]#

總結

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