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Create Mirror Set in NT Server

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7 replies

by jeffsoltor

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I just installed a sever at a equipped with an
Adaptec 29160NU2 and 2 Seagate ST31840LW Cheetah hard drives. The system works perectly, but I cannot seem to mirror the drives. Per instructions, I highlight a
volume to be mirrored, hold the control key, select a volume on the second drive of equal or greater volume, go to Fault-Tolerance on the Disk Manager menu and create mirror.
This function however is "grayed out". I am using NT Server 4.0 with SP6a. Is there
something I must do on the SCSI controller? And I have shut down all the services in the control panel.

7 replies

by green lantern

You don't say what partitions you are attempting to mirror. Keep in mind you CAN NOT mirror the OS partition in this manner.

ralph

by timwalsh

My guess would be that the space you are choosing on the second drive is already setup as a partition as opposed to being available as free space. In order to set up any of the fault-tolerant options, the space on the second drive must be availableas free space.

by ftnalex

On the hard drive that you are mirroring to (your slave drive), you shouldn't have any partitions setup at all. If you already do, then you'll have to remove them. Once that's done, perform the steps again as you mentioned but select this new freespace. Should be in the clear then.

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