Lunt, Nick wrote:
/etc/init.d/oracleasm createdisk VOL14 /dev/raw/raw1
==
I get the same error Jack, Block device required.
Ok, it looks like the oracleasm utility can only *create* asm disk if
they're block (not raw devices). Can you stop rawdevices and revert to
/dev/sdp1 (ie put a partition on it) because this is what you had
before. You should then be able to create the asm disk on /dev/sdp1.
You can then create the /dev/raw devices for accessing /dev/sdp1 as a
raw device, which can (hopefully) be used by ASM once the volumes have
been created over the corresponding block device.
According to this moderately confusing page:
http://www.oracle.com/technology/tech/linux/asmlib/raw_migration.html
You can easily switch between raw and block access on an already created
volume (suggesting the Oracle whitepaper I linked to earlier is, erm,
wrong). You can't, however, use both methods concurrently.
Summary:
Get rid of rawdevice.
Create partition
Set partition up as ASM disk.
Create raw-mode device file for accessing partition (udev permissions etc)
Configure ASM to use raw-mode device file rather than /dev/sd interface.
Unfortunately, I don't know how to do the last step outside of the
initial installation tool.
Other than that, I'm afraid I'm out of ideas :)
cheers, and good luck
jack
--
Jack Challen
Technical Consultant, OCSL.
http://www.ocsl.co.uk/
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