Extending a Raid 5

I am adding 2 monre 73 gb drives to my Dell PE server this weekend.  I currently have 3 of them now running raid 5.  

1. Does anyone know how long it will take to add the extra drives to the array?

2. Does the danger with data loss occur when adding the drives to the array or just when extending a partition using extpart or diskpart?

Thanks
jamessaAsked:
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Elite_BigfootConnect With a Mentor Commented:
Hello there,

1. I assume it can take something about 20-40mins depends on your specs and life time of the server raid.

2.Usually this action commits with no problems but for your information there is also a danger in adding the drives to the array which could cause a severe data loss.
Of course it has its success precentage, but there always a chance to take.

Good luck.
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jamessaAuthor Commented:
Dual 3.0ghz Xeon procs.  1 gb of ram.  The server is almost 2 years old using a Perc 4e/di controller.
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Elite_BigfootCommented:
I see, well i can't make an absolute estimate time, but just free yourself some schedule while commiting this process.
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jamessaAuthor Commented:
, I am going into work this afternoon.  I just wanted to make sure I could get it done before Monay morning, providing everthing goes smooth.
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Elite_BigfootCommented:
Yep,

No problem.
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jamessaAuthor Commented:
Thanks
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