Re: Inactive raid1 partition failure
On Tue, Aug 4, 2015 at 9:02 PM, Alex <mysqlstudent(a)gmail.com> wrote:
Hi,
>> I panicked a bit, and didn't want to do something stupid (like mdadm
>> -C) before passing it by at least one other person.
>
> I definitely suggest you make a backup of each device superblock and
> distribute it somewhere safe in the unlikely event two devices in a
> mirrored array stop cooperating. The superblocks do come in handy from
> time to time when they can't be acquired once problems happen.
Do you have any suggestions on how to do this?
mdadm -E for each device, and point it to a file using >> - for the
purposes of the backup you could write all devices to one file, it's
up to you.
--
Chris Murphy