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Increasing Hard Disk Space in Raid 5 Conguration

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by sammy_ola

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I have a Dell PowerEdge Server with 3 X 146GB Disks and 1 x 300GB Disk. RAID 5 is configured on the HARD DISK.
I C:\ - 11GB & D:\ - 396GB drives presently i am running out of space on the C:\ drive and i need to increase to the size.

Please can someone tell me how to do this with the RAID 5 configuration on it and not affection the data already store or installed softwares.

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by Former member

Replace each drive one at a time and rebuild the array each time. Once all 4 drives are larger, perform an Online Capacity Expansion (OCE - see your controller card manual) to expand the logical array, then use the Windows DISKPART utility to expand your partition.
Have a backup before you start. :)

Please post back if you have any more problems or questions.
If this information is useful, please mark as helpful. Thanks.

by churdoo

You can use DISKPART as PT stated, but since you're talking about expanding the system volume, you would have to do that from a parallel Windows install.

I recommend getting a server grade partition utility like Acronis Disk Director ($500-$600) to do this for you.

Also, are C: and D: inside of the same logical RAID container? i.e. do C: and D: appear in the same disk inside of Disk Manager in Windows? If so, this won't be too bad with Acronis.

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