battery failure on our Dell Poweredge 2900 server

We recently had a battery failure on our Dell Poweredge 2900 server's PERC 5i controller card and did not have another battery..or so we thought. we replaced the PERC 5i Controller Card (with onboard memory stick) with a PERC 6i without onboard memory stick along with the battery that goes with it. now the server will not boot into windows, not even in safe-mode. It now hangs at the crcdisk.sys file and then eventually reboots to repeat this cycle. The "assumed" RAID 1 array is currently rebuilding after asking the new controller card to recognize the current configuration. MY question is, is there a way to solve this problem without buying another PERC 5i controller card (assuming that that would even work at all at this point)?

The operation system is windows server 2008 and we do not have a backup of the system (to no fault of my own).

Any help on this problem would be most appreciated as this is an URGENT and persistent problem.

Thank you,
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RojoshoRTCC-III Level-2 SupportCommented:
Hello Binarytornado,

When dealing with Array Controllers, it is best to keep the same model as the meta data that is kept on the HDDs is assured to be compatible.  If the same controller is not possible, then at least the same family, but it gets a bit risky going down that path.

When the PC was first booted with the new controller, most RAID Controller will ask if you want to use the configuration (Meta Data) that is kept on the Controller, or the configuration that is kept on the HDDs - In this case, I hope that you selected the configuration that is on the HDD or else you stand an excellent chance of losing your data.

David Johnson, CD, MVPOwnerCommented:
why didn't you just buy another battery? it is a routine maintenance item every couple of years
binarytornadoAuthor Commented:
We ordered one but that was not my question or the solution (we tried another one). Thanks.
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crcdisk.sys is latest driver in boot log. it has nothing to do with failures after.
Davis McCarnOwnerCommented:
The PERC 6 controllers have a completely different architecture than the PERC 5 series and, as such, use completely different drivers.  Since the PERC 5 drivers were installed as part of the Windows installation and are one of the boot loaders, using a PERC 6 controller wasn't a viable option.
You MIGHT be able to overcome it if you can boot into safe mode and install the PERC 6 drivers; but, don't even try it without a complete backup!

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You can always install "next"driver with old hardware, and enable it via registry before shutdown.
I think perc5 works quite well with leaking battery...
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