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Adaptec 3405 raid card raid 5 4 disk

Posted on 2010-11-10
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Last Modified: 2016-12-08
Hi,

I purchased  4 sata  WD disk to build a raid 5 with this adaptec card 3405.

The raid software started building the raid... and then the new disk 1 WD crashed. Now I have 3 of 4 disk and need to build the raid and install the OS.

Can I build this raid 5 with 3 disks and then, when arriving the new one, and the fourth one and expand?
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Question by:heze54
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renazonse earned 500 total points
ID: 34107034
You can expand the RAID but the space will show up as unallocated after the system is installed. If this array does not have an OS installed on it you can use diskpart to finish the expansion and utilize the disk space or just re-format the drive. If it is going contain and OS I wouldn't recommend trying an expansion.
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by:heze54
ID: 34107132
I´d like to install win 2008 server
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by:renazonse
ID: 34107288
I would wait then. You do not want to run through the process of expanding your system drive. You'll save yourself a lot of trouble by waiting for the replacement drive or overnighting a replacement.
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