Re: reusing ASM disks
From: Ryan January <rjanuary_at_gmail.com>
Date: Mon, 11 Aug 2014 11:08:12 -0500
Message-Id: <26D29052-CFA3-492D-98C1-5D4B30797D79_at_gmail.com>
I've found the easiest thing to do to allow reuse of a LUN is to overwrite the disk header (first 100 mb of disk). dd if=/dev/zero of=/dev/<device id> bs=1024 count=100
Date: Mon, 11 Aug 2014 11:08:12 -0500
Message-Id: <26D29052-CFA3-492D-98C1-5D4B30797D79_at_gmail.com>
I've found the easiest thing to do to allow reuse of a LUN is to overwrite the disk header (first 100 mb of disk). dd if=/dev/zero of=/dev/<device id> bs=1024 count=100
On Aug 11, 2014, at 11:03 AM, Haroon Qureshi <haroon.qureshi_at_gmail.com> wrote:
> Hello,
>
> i need to recreate my database (test database) running 11.2.0.3 on RHEL 6.4 with ASMLIB. I want to reuse the same LUNS that I had before and recreate the diskgroups. How can I tell ASM to reuse the same disks? Do I need to do something to the disks first in order to be able to reuse them? I do want to clear out the disks as well so that there is nothing on them.
>
> Thanks in advance,
> Haroon
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