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29
votes
10answers
26k views

Cheapest way to connect 20-24 Sata II HDDs in a budget storage server? [closed]

I need to assemble a high density storage server for as cheap as possible. It's been a while for me and the last systems I integrated didn't even have Sata yet... During my Research I of course ...
10
votes
7answers
30k views

What is a (raid-controller-) BBU for?

I am wondering what's the purpose of a BBU. My first understanding was, that it enables the cache to write the data to the disc during a power failure. But some specifications say that a BBU can hold ...
0
votes
1answer
364 views

Smart Array P212 Raid controller on SBS 2008 ProLiant G6

I had a mirrored array with 2 * 1TB drives. I have replaced both drives (one at a time and allowed it to rebuid) with 2 * 2TB drive. So I now have a capacity of 2TB rather than 1TB. However, the array ...
0
votes
3answers
2k views

Dell SAS 5/ir - secondary disk update “data will be lost!” - will all data, or just secondary disk?

On a Dell SAS 5/ir RAID controller, I have a RAID 1 array which is Degraded. One drive has failed. Upon replacing this drive the controller doesn't automatically resync the array. There's an ...