Hard Drive Configuration with RAID 10 requires a maximum total Hard Drive capacity of 3600GB???

[David Sparks]

David Sparks wrote:
> Zach White wrote:
>> David Sparks wrote:
>>> I have 2 2950 servers with 4 1TB drives using the SAS/6i controller.  I want
>>> to install a PERC6 addon PCIe and connect it to the 4 drives.  The online
>>> "Build Your System" suggests that there will be a problem doing this so I'm a
>>> bit worried.  Anyone on this list running a 2950 with 4 1TB SAS drives?
>>>
>> We have a 2950 and a 2970 which have 6 1TB drives each. I've set them up
>> with all 6 drives in RAID5 and with 4 drives RAID1 and 2 drives RAID0.
>> They seemed to work fine in all these
>> configurations.
>>
>> I don't know about Dell's cart, or why they'd have that limit, but from
>> a technical standpoint it seems to work.
> 
> Thanks, I finally got through to Dell who claim that the 3600GB limit is a
> Windows Server limitation.  Based on these responses I'm going ahead and
> ordering the PERC6 addon cards.

The PERC6 addon cards have arrived ... without batteries.  This means I can't
use the write cache.

According to the below PDF batteries are standard on PERC6.  Can anyone from
Dell comment?

http://www.dell.com/downloads/global/power/ps2q08-20080255-Dixit.pdf

"PERC 6 controllers also include a battery
backup unit to help maintain data consistency
and protect data in the controller cache during a
system power and/or controller failure."

ds