January 05, 2006

What rotten luck! :|

Oh, the joy. No less than 2 days since I fixed my computer, it appears to be broken again. Tonight we suffered not one, but two mini power cuts that seemingly knocked out most of the bottom of Tachbrook Road and the surrounding area that have had an adverse effect on my seemingly fragile Linux box.

As such, I'm now investigating the process required to rebuild my RAID array (configured for mirroring) so that I don't lose the data stored on these particular hard disks. Luckily the system drive seems to be intact (saving myself the headache of setting up Fedora again), but I can't afford to lose the data stored in the RAID array: this is all my work in the world, ever.

Looks like I will have to dig out the manual for the RAID controller and review the process thoroughly. This is not what I need right now.

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  1. I built my first computer with RAID over christmas – I set it up for mirroring on the Motherboard's SATA controller. Out of curiosity, why would you need to rebuild it if it's already configured for mirroring? Or am I misreading what you've written and do you in fact have it set up for striping at the moment, and wish to convert to mirroring?

    05 Jan 2006, 22:33

  2. I didn't make myself clear, I apologise; it was already set up for mirroring, but following the power-cuts, the RAID controller "forgot" about the array, and is now reporting two broken mirrored arrays (one for each disk), requiring the array to be re-built. As I say, I can't afford to lose the data on the disk, so I want to be sure that what I do is correct. The manual's not overly helpful :(

    The controller's a Highpoint RocketRAID 1640, if you're interested. I bought it because it was the cheapest controller supporting RAID 5 (although it turns out it is software RAID 5 only), and because it's based on the successful 154x chipsets that make their way into a lot of high-end motherboards.


    06 Jan 2006, 10:30

  3. Is it bad that I'm a Computer Science student and I've no idea what you're talking about? :-)

    09 Jan 2006, 15:17

  4. Hehe, not at all :) You should cover it (albeit very briefly) in CG152 Computer Organisation and Architecture, or whatever your equivalent these days is!

    11 Jan 2006, 11:47

  5. Yes CS132 with Chang-Tsun Li…the one everyone else finds boring yet I find quite fun. Maybe I'm just weird. :-)

    11 Jan 2006, 23:53

  6. No no, it is fun... Wait until you get to the labs! That was the high point of my first year, maybe even the first two years! :)


    13 Jan 2006, 17:39

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