[ale] Hardware RAID5 recovery in software

[dev null zero two]

Also http://www.freeraidrecovery.com/ works really well for being free.
Windows only but you just connect your two good drives, point the software
at them, it detects the RAID parameters and then lets you save a dd image
of the resulting reconstructed array that you can then mount or access
however you want.


On Thu, Mar 6, 2014 at 2:09 PM, Jim Kinney <jim.kinney at gmail.com> wrote:

> If all 3 drives are the same make and model, dd the working 2 drives
> first. Then try replacing the failed drives board with one from a good
> drive.
>
> with 2 drives out of 3 in a raid5, you're still OK data-wise. raidextract
> may be able to rebuild the data from the 2 drives.
>
> I used a tool a zillion years ago that I can't find right now that did
> exactly this: from a dd image of all the available drives, extract all the
> file possible to a new location.
>
>
> On Thu, Mar 6, 2014 at 1:29 PM, Dustin Strickland <
> dustin.h.strickland at gmail.com> wrote:
>
>> Sorry, let me give you guys a better idea of the hardware - this
>> appears to be a custom build. Some Asrock motherboard as far as I can
>> tell with a VIA chipset and an Athlon XP something... an unbranded
>> SATA2 RAID card(which doesn't work), and the 3 80GB hard drives.
>>
>> Jim,
>>
>> That's what I was afraid of. Only 2 of the drives still work. I
>> couldn't get any data off the third drive. Do you think raidextract
>> might still work in this case?
>>
>> On Thu, 6 Mar 2014 12:12:53
>> -0500 Benjie <benjie.godfrey at gmail.com> wrote:
>>
>> > Is this a SATA or a SCSI HBA?  Is the HBA a card, or is it built into
>> > the motherboard?  Is it a software raid using the mainboard's SATA
>> > interfaces? Can you answer those questions?
>> >
>> >
>> > On Thu, Mar 6, 2014 at 11:18 AM, Dustin Strickland <
>> > dustin.h.strickland at gmail.com> wrote:
>> >
>> > > I just want to put this out there: I'm not *very* familiar with
>> > > RAID, but I get by. I have a unique situation and I'm not sure how
>> > > to handle it -- suggestions would be appreciated.
>> > >
>> > > So, my client has a machine - an *old* machine - that was running an
>> > > ancient version of Redhat, acting as a Samba server. I'm not too
>> > > clear on the details of what happened, but the result: the
>> > > motherboard in the server is apparently bad. So is the RAID card
>> > > that was installed. Also one of the disks of the three that were
>> > > installed. The other two work fine. This machine will not boot, I
>> > > tried everything. We've made the decision to set up another machine
>> > > to run Samba. Now here's the hitch. The only available machine has
>> > > only two SATA ports and we still need to grab his old data.
>> > >
>> > > Yesterday I used a Live USB stick to dd the data from both of the
>> > > good drives, one at a time, on to a third. Now, I don't even know
>> > > if the data is recoverable - after we started copying the second
>> > > disk, we left it to run overnight so I haven't been able to check
>> > > it out. If it *is*, how would I go about it? I've never encountered
>> > > hardware RAID before, either - would this even be possible to fix
>> > > in software? _______________________________________________
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>
>
>
> --
> --
> James P. Kinney III
>
> Every time you stop a school, you will have to build a jail. What you gain
> at one end you lose at the other. It's like feeding a dog on his own tail.
> It won't fatten the dog.
> - Speech 11/23/1900 Mark Twain
>
>
> *http://heretothereideas.blogspot.com/
> <http://heretothereideas.blogspot.com/>*
>
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