[Merge] lp:~niedbalski/ubuntu/vivid/curtin/fix-1263181 into lp:ubuntu/vivid/curtin

[Firl]

Any directions for me to be able to test this? I have a DL 380 with 2 drives that I am trying to use for MaaS and it is showing up in lshw as a cciss device
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https://code.launchpad.net/~niedbalski/ubuntu/vivid/curtin/fix-1263181/+merge/250163
Your team Ubuntu branches is requested to review the proposed merge of lp:~niedbalski/ubuntu/vivid/curtin/fix-1263181 into lp:ubuntu/vivid/curtin.