adding larger disks for poweredge 1900

This server has perc5 and 3 hd for a total of 208123 MB.  We would like to add hard drives, but not sure if we can.  Is it possible to replace the existing 2 and add another without losing any data. or just add a 4th?  We are limited with perc5 according to a specific size of the drive?  Any help or advice would be greatly appreciated

The maximum size of physical disk that the PERC 5 can take is 2 TB.

To enlarge your RAID 5, you can add disks to it - for example, you can convert your 3-drive RAID 5 for a 4 - or 5-disk RAID 5 for the extra space.

If you replace the existing disks with adults, allowing everyone to rebuild, you'll have a VD (virtual disk - table) that is the same size as the original - you cannot develop a RAID like this on PERC.  If you replace a disc each (and all) with a larger, the only thing you will be able to do with the extra space is to create a second VD on disks.  This will be considered by the operating system as a new/entity 'disc' to use for storage.  Keep in mind that the size of your RAID 5, you're probably using 73 GB SAS drives, you can not mix disks SAS and SATA in the same Bay, so if you decide to replace the disks with the biggest, they MUST be SAS, SATA disks not.

You can also add multiple disks - of any size, SAS or SATA - to your server and configure as a new/VD/array to use for storage.

Tags: Dell Servers

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