It's in RAID5, we already have 4 disk in it. 1 is a spare.

01:00.0 RAID bus controller: LSI Logic / Symbios Logic MegaRAID SAS 2108 [Liberator] (rev 05)

with 4 disks.

Question: How can we put in additional storage to it? After a new disk is attached to the HW card, what are the steps so that the OS will recognize it?

  • What did you use to put the orginal disk on that? Hardware RAID. mdadm? – Anthon Mar 9 '15 at 15:35
  • it's not a sw RAID, it's a HW RAID. – freaking-good-question Mar 9 '15 at 15:44
  • 1
    This site provides binaries for hardware RAID controllers: hwraid.le-vert.net/wiki/LSIMegaRAIDSAS Can't tell you though which one you need, and how exactly to use it... I used such a tool only once, and all I remember that it was extremely complicated ^^ – Martin von Wittich Mar 9 '15 at 15:47

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