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How can use the LV to create a ASM disk [message #562063]

Fri, 27 July 2012 11:10

andy huang
Messages: 498
Registered: July 2011

Senior Member

Dear all,
How can use the LV to create a ASM disk in Red Hat Linux As 5

#lvcreate -n lv01 -L 200g myvg

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Re: How can use the LV to create a ASM disk [message #562064 is a reply to message #562063]

Fri, 27 July 2012 11:20

BlackSwan
Messages: 26766
Registered: January 2009
Location: SoCal

Senior Member

# lvcreate -L size -n lv_name vg_name
In this example:

size is the size of the logical volume, for example 500M
lv_name is the name of the logical volume, for example orcl_system_raw_500m
vg_name is the name of the volume group, for example oracle_vg

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Re: How can use the LV to create a ASM disk [message #562065 is a reply to message #562064]

Fri, 27 July 2012 11:25

andy huang
Messages: 498
Registered: July 2011

Senior Member

Thanks,
BlackSwan,i have created the Lv,but i can not using it to create the ASM disk.

[oracle@hxl ~]$ ls -al /dev/mapper/myvg-lv01
brw-rw---- 1 oracle oinstall 253, 0 Jul 27 23:50 /dev/mapper/myvg-lv01
[oracle@hxl ~]$ /etc/init.d/oracleasm createdisk VOL5 /dev/mapper/myvg-lv01
Marking disk "VOL5" as an ASM disk: /etc/init.d/oracleasm: line 242: /var/log/oracleasm: Permission denied
                                                           [FAILED]

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Re: How can use the LV to create a ASM disk [message #562091 is a reply to message #562065]

Fri, 27 July 2012 20:42

andy huang
Messages: 498
Registered: July 2011

Senior Member

hi,
I have created the VOL5,but i can not find it in v$asm_disk,why?

#/etc/init.d/oracleasm createdisk VOL5 /dev/mapper/myvg-lv01
[oracle@hxl ~]$ /etc/init.d/oracleasm listdisks
VOL1
VOL2
VOL3
VOL5

Select Name,Path From  v$asm_disk;
---------------------------------
NAME	PATH
VOL1	ORCL:VOL1
VOL2	ORCL:VOL2
VOL3	ORCL:VOL3

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