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April 6th, 2026 09:54
RAID1 Expansion and RAID10 Migration on R740 with PERC H730P Mini
Hello,
I am currently using a Dell PowerEdge R740 with two 1TB SATA disks configured in RAID1, using a PERC H730P Mini.
In this setup, I would like to know if it is possible to expand the existing RAID1 by adding additional disks.
If expansion is possible, I would appreciate it if you could share your knowledge regarding the number of additional disks required and whether migration to RAID10 is also supported.
Thank you.
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Dell-Martin S
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April 8th, 2026 12:52
Yes, on a Dell PowerEdge R740 with a PERC H730P Mini, RAID1 can be expanded, and RAID10 migration is also supported in Dell’s documented reconfiguration options
If your goal is RAID10 performance and redundancy, plan for at least 4 total disks, then expand in pairs after the array is already in RAID10
Dell PERC 9 User’s Guide, reconfigure virtual disks:
https://www.dell.com/support/manuals/en-in/poweredge-rc-h730/perc9ugpublication/reconfigure-virtual-disks?guid=guid-aad79692-439f-4743-bfbe-1f054957cd49&lang=en-us
Dell PERC 9 User’s Guide, reconfigure virtual disks table:
https://www.dell.com/support/manuals/en-gf/poweredge-rc-h730p/perc9ugpublication/reconfigure-virtual-disks?guid=guid-ea12ce62-535f-4f4f-a0d9-4e1f7d9d2e8b&lang=en-us
Dell PERC H730P feature listing:
https://www.dellonline.co.za/products/dell-perc9-h730p-raid-controller-card-405-aafl-176396