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I have more or less hardware question related to hotplug or non-hotplug hdd. I plan to get HP P2000 G3 FC/iSCSI storage system, and I was going to order the disks. One costs 300eur.. So my question

1) May I buy some generic WD disk and install it in HDD bay(frame) bought from ebay for 30eur ? Will I lose hotplug functionality? Difference is 200eur on each disk.

2) What is the difference between hotplug and nonhotplug harddrive in fact? I do not mean that you can on-the-fly push a disk to the array, but what are physical differences between them. Because I've got a feeling they divide this market only because it will let the prices of these disks so high (normal home user does not need any hotplug feature, let's name it hotplug so that business people will buy it)

Am I right, or I am not ? :)

Thank you.

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If you find it important not to turn off your SAN (and possibly all servers using it) WHEN (and not IF) disk dies, then hot plug is the only solution. Your warranty might not apply if you're using non hp disks.

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+1 Non-HP disks might not even work. – CarloBaldini Feb 8 '11 at 11:37
I always insert non-HP disk into DL proliant servers and everything always worked, HP disk is not HP disk actually, but simple WD disk with HP HDD frame, don't be so skeptic :) – John Feb 9 '11 at 9:28
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