need help with RAID1 EFI GPT disks

George Toft george at georgetoft.com
Mon Feb 3 14:29:39 MST 2014


Too late - bought a My Book from WD. (Strange that a My Book was $40 
cheaper than a bare drive.)

See email to Michael about what happens when I try to mount the 
partition.  Since /dev/sdb seems corrupted, I might reformat it to store 
/dev/sdc3 which I can get - only takes a day to dd.

Regards,

George Toft

On 2/3/2014 8:35 AM, Carruth, Rusty wrote:
> I recommend doing a DD of each partition to its own file, then a 'dd
> if=/dev/sd<x> count=1' to a file to get the partition table.
>
> For one thing, it means you can try mounting each file readonly ('mount
> -o ro,loop file.for.partition.1 /mnt/looking').
>
> For another, if you had multiple partitions, each of which would fit on
> drives you have 'laying around', but all of which wouldn't fit on a
> single drive - you can restore the partitions to different drives and
> possibly be up and running without having to buy a new drive
> immediately....
>
> Rusty
>
>
> -----Original Message-----
> From: plug-discuss-bounces at lists.phxlinux.org
> [mailto:plug-discuss-bounces at lists.phxlinux.org] On Behalf Of George
> Toft
> Sent: Sunday, February 02, 2014 8:44 PM
> To: Main PLUG discussion list
> Subject: Re: need help with RAID1 EFI GPT disks
>
> installed gdisk and it looks like /dev/sdb is damaged, but /dev/sdc is
> good :)  doing a dd on the whole drive to a file on another drive so I
> have a backup.  I'll check back in a couple days when it's done.
>
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