[Noisebridge-discuss] Disk Array Help

[Miah Johnson]

Practice makes perfect.

There are some really good docs on LVM, and Raid linked below.

As far as commercial arrays though, working with them is about the only way
I've found worthwhile. The thing with commercial arrays, if it has its own
storage software it is left up to the vendor as to how to interface with it,
and its command set. There really is no "standard" when it comes to this.
While there are standards like "RAID" it is really up to vendor on how they
implement things and there may have vendor specific caveats.

There is generally nothing stopping people from using VM's to test out
lvm/raid. You can use lvm and software raid on small devices too (usb
keyfobs, external disks, files being used as block devices via loopback). It
doesn't need to be perfect, or high performance for learning.

http://tldp.org/HOWTO/Software-RAID-HOWTO.html
http://www.howtoforge.com/linux_lvm

fwiw, the man-pages on both of these topics are quite good too.

-Miah

On Mon, May 17, 2010 at 2:11 PM, Glen Jarvis <glen at glenjarvis.com> wrote:

> I don't really deal with storage arrays much in Linux -- certainly not as
> an administrator. Yet, I have a problem dropped pop in my lap at work that I
> need to sort out. I need to migrate between and old storage array. Our old
> array (IBM DS4800) is being phased out and we're migrating to Hitachi AMS
> arrays. We're also still on an old version of Debian Etch that needs
> upgraded. :(
>
> How can I learn more about storage arrays and how the work with Linux? I
> prefer a complete learning approach (starting at the beginning, ending with
> the end, and lots of hard work in the middle).
>
> I don't *really* do much with LVMs, other types of devices, RAID devices,
> etc....  So, I need to start at the very beginning (i.e., I know basic
> physical devices, partition tables, grub, etc. I know theoretically about
> RAID 0, 1, and 5. However, I've not implemented anything with a small
> personal array and certain nothing with a comercial storage array).
>
> Any recommendations on books, materials, personal help, etc. would be
> appreciated.
>
> Cheers,
>
>
> Glen
> --
> Whatever you can do or imagine, begin it;
> boldness has beauty, magic, and power in it.
>
> -- Goethe
>
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>
>
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