[CentOS] deleting FakeRaid -> what happens to the partitions/data
Ljubomir Ljubojevic
centos at plnet.rs
Mon Feb 17 10:44:08 UTC 2014
On 02/17/2014 06:21 AM, John R Pierce wrote:
> On 2/16/2014 8:26 PM, Jobst Schmalenbach wrote:
>> A server has FakeRAID installed, I want to remove it to make it mdadm driven ....
>>
>> If I delete the FakeRAID including
>>
>> - disabling it in the BIOS
>> - removing the dmraid driver from initrd
>
> the dmraid driver is really not functionally different than the mdraid
> driver, except it supports the Intel fake-raid metadata so the BIOS can
> treat the volume like a raid too.
>
I had one instance where I nedded to use dmraid -r -E /dev/sdX to clean
disk. As far as I remember, partitions were not deleted, it's just
metadata.
Quick online search for "dmraid -r -E" never mentions data loss neither,
so you should be fine.
BUT, if you can, backup would be preferable for any live work with
important data, and "sfdisk -d /dev/sdX > partition.txt" will save
partition info so if anything goes wrong you can reapply it.
--
Ljubomir Ljubojevic
(Love is in the Air)
PL Computers
Serbia, Europe
StarOS, Mikrotik and CentOS/RHEL/Linux consultant
More information about the CentOS
mailing list