[wplug] RAID 5 question on recovery
Chris Romano
romano.chris at gmail.com
Thu Sep 4 08:22:34 EDT 2008
On Wed, Sep 3, 2008 at 11:36 PM, Edward Walter <ewalter at walterama.com> wrote:
> Chris Romano wrote:
>> I have an Iomega NAS with 4 SATA drives configured in RAID 5. The box
>> seems to have died but the drives still spin and seem to working fine.
>> Because it's a NAS box, there aren't any communication ports other
>> than the NIC so I have no way of figuring out what is going on. I've
>> talked to Iomega and they are going to ship me out a new box but I
>> need to recover the data that are on the drives. This because runs a
>> version of linux ... not sure what kernel or anything. Any chance
>> that I could hook these drives up to a RAID controller and get at the
>> data?
>>
>> BTW ... I know people are going to say that regular backups should
>> have been done ... it was being backed up. However, the backup failed
>> the last few days. So it was kind of like a perfect storm to loss
>> data.
>>
> Does this model of Iomega NAS do hardware RAID or software RAID? A lot
> of these types of devices just use Linux software RAID for redundancy.
> If that's the case with your device, you could just put the disks in
> another system, activate the RAID set (using mdadm etc) and mount the
> volume. A good quick way to check this is to pull one drive, put it in
> another machine and do an `fdisk -l' on it. If the partitions show up
> with Id of "fd" it's a good indicator that your NAS is using software
> RAID (and the RAID set should be portable across machines).
>
I'm not quite sure if it's hardware or software. From what I read on
the iomega forums, it's formatted to xfs. I have a feeling that it's
software RAID. The problem is that I don't have a machine that
accepts SATA drives.
--
"They that would trade essential liberty for a little temporary safety
deserve neither." -- Benjamin Franklin
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