<div dir="ltr"><div><div><div>+1. hardware raid, especially old hardware raid is card sensitive and basically bad news on failures.<br><br></div>That said, what you could do is get a single, large drive, partition it into 3 chunks large enough for each drive and dd each drive to a chunk. Now look here:<br>
<a href="http://www.chiark.greenend.org.uk/~peterb/linux/raidextract/">http://www.chiark.greenend.org.uk/~peterb/linux/raidextract/</a><br></div>and try raidextract on those partitions.<br><br></div>If you can get enough data from that, you might be able to run those partitions as software RAID5 and copy data to a new drive.<br>
</div><div class="gmail_extra"><br><br><div class="gmail_quote">On Thu, Mar 6, 2014 at 11:28 AM, Beddingfield, Allen <span dir="ltr"><<a href="mailto:allen@ua.edu" target="_blank">allen@ua.edu</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">You are going to have to probably go a step further -<br>
If you want to recover the data from the degraded RAID 5, you are going to need a RAID adapter from the same manufacturer, and preferably the same model.<br>
Allen B.<br>
--<br>
Allen Beddingfield<br>
Systems Engineer<br>
The University of Alabama<br>
<br>
________________________________________<br>
From: <a href="mailto:ale-bounces@ale.org">ale-bounces@ale.org</a> [<a href="mailto:ale-bounces@ale.org">ale-bounces@ale.org</a>] on behalf of Dustin Strickland [<a href="mailto:dustin.h.strickland@gmail.com">dustin.h.strickland@gmail.com</a>]<br>
Sent: Thursday, March 06, 2014 10:18 AM<br>
To: <a href="mailto:ale@ale.org">ale@ale.org</a><br>
Subject: [ale] Hardware RAID5 recovery in software<br>
<div class="HOEnZb"><div class="h5"><br>
I just want to put this out there: I'm not *very* familiar with RAID,<br>
but I get by. I have a unique situation and I'm not sure how to handle<br>
it -- suggestions would be appreciated.<br>
<br>
So, my client has a machine - an *old* machine - that was running an<br>
ancient version of Redhat, acting as a Samba server. I'm not too clear<br>
on the details of what happened, but the result: the motherboard in the<br>
server is apparently bad. So is the RAID card that was installed. Also<br>
one of the disks of the three that were installed. The other two work<br>
fine. This machine will not boot, I tried everything. We've made the<br>
decision to set up another machine to run Samba. Now here's the hitch.<br>
The only available machine has only two SATA ports and we still need to<br>
grab his old data.<br>
<br>
Yesterday I used a Live USB stick to dd the data from both of the good<br>
drives, one at a time, on to a third. Now, I don't even know if the<br>
data is recoverable - after we started copying the second disk, we left<br>
it to run overnight so I haven't been able to check it out. If it *is*,<br>
how would I go about it? I've never encountered hardware RAID before,<br>
either - would this even be possible to fix in software?<br>
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</div></div></blockquote></div><br><br clear="all"><br>-- <br><div dir="ltr">-- <br>James P. Kinney III<br><i><i><i><i><br></i></i></i></i>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.<br>
- Speech 11/23/1900 Mark Twain<br><i><i><i><i><br><a href="http://heretothereideas.blogspot.com/" target="_blank">http://heretothereideas.blogspot.com/</a><br></i></i></i></i></div>
</div>