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What Is the Limitation on Maximum Drives per Drive Group on a RAID Configuration?

Content Type: Install & Setup   |   Article ID: 000055042   |   Last Reviewed: 09/16/2022

Environment

RAID Web Console 3RSP3MD088F RAID controller

Description

The system is unable to add more than 32 drives to build RAID 5 or RAID 6.

For instance; in the picture below when using Advanced method it shows all 52 drives in a list but when all drives are selected, the "Add Drives" button still inactive; however when using Simple method it automatically takes maximum 32 drives and creates RAID 6 array.

Resolution

There is a Drive Support Limits. The next table describes the SAS/SATA drive support limits of the Intel Tri-Mode RAID Adapters. 

SpecificationRSP3TD160FRSP3MD088FRSP3DD0B0FRSP3WD080E
Maximum virtual drives per adapter64646432
Maximum drive groups per adapter64646432
Maximum virtual drives per drive group16161616
Maximum drives per drive group32323232
Maximum physical devices per adapter64646464
Maximum hot spares per adapter64646463
Maximum spans per virtual drive8888
Maximum enclosures31313131

1This setting is firmware dependent.

So, this will show there is a limitation on maximum drives per drive group. That is 32 devices not matter the RAID level or RAID Controller. 

Related Products

This article applies to 90 products.

Discontinued Products

Intel® RAID Controller SRCSASRB Intel® RAID Controller SRCU42X Intel® RAID Controller SRCSAS18E Intel® RAID Controller RS3FC044 Intel® RAID Controller RS3DC080 Intel® RAID Controller RS25SB008 Intel® RAID Controller RS25DB080 Intel® RAID Controller SRCSASJV Intel® Integrated RAID Module RMS25PB040 Intel® RAID Adapter RSP3DD080F Intel® Storage Module RMSP3JD160J Intel® RAID Controller SRCU32 Intel® RAID Controller RS2SG244 Intel® RAID Module RMSP3CD080F Intel® Integrated RAID Module RMS25PB080 Intel® RAID Controller RS2WC080 Intel® Storage Expander RES3TV360 Intel® RAID Controller RS3WC080 Intel® RAID Controller SRCSASLS4I Intel® RAID Adapter RS3P4MF088F Intel® Integrated RAID Module RMS25CB080 Intel® RAID Module RMSP3AD160F Intel® RAID Controller RS2VB040 Intel® Server RAID Controller SRCU31L Intel® Integrated RAID Module RMS3JC080 Intel® RAID Controller RS25FB044 Intel® RAID Controller RS3UC080J Intel® RAID Controller RS3MC044 Intel® Integrated RAID 2U Midplane1 Intel® Integrated RAID Module RMT3CB080 Intel® RAID Controller SRCS28X Intel® RAID Controller SRCSASPH16I Intel® RAID Adapter RSP3TD160F Intel® RAID Controller RS3GC008 Intel® RAID Controller SASMF8I Intel® RAID Controller RS2WC040 Intel® RAID Controller RS25NB008 Intel® RAID Controller RS3DC040 Intel® Storage Expander RES3FV288 Intel® RAID Controller RS2PI008 Intel® Integrated RAID Module RMT3PB080 Intel® RAID Adapter RS3P4TF160F Intel® Integrated RAID Module RMS3VC160 Intel® Integrated Server RAID Module AXXRMS2MH080 Intel® Integrated RAID Module SROMBSASMR Intel® RAID Module RMSP3HD080E Intel® Integrated RAID Module RMS25KB080 Intel® RAID SSD Cache Controller RCS25ZB040LX Intel® RAID Controller RS25AB080 Intel® RAID Controller RT3WB080 Intel® Integrated RAID Module RMS3AC160 Intel® RAID Controller SRCZCRX Intel® Storage Adapter RS3P4QF160J Intel® RAID Expander RES2SV240 Intel® Integrated RAID Module RMS3CC080 Intel® Integrated Server RAID Module AXXRMS2LL080 Intel® Integrated RAID Module RMS25KB040 Intel® Integrated Server RAID Module AXXRMS2AF080 Intel® RAID Controller SASWT4I Intel® Storage Adapter RS3P4GF016J Intel® Integrated RAID Module RMS25JB040 Intel® RAID Controller SASUC8I Intel® Integrated Server RAID Module AXXRMS2AF040 Intel® Storage Adapter RSP3GD016J Intel® RAID Controller SRCU42E Intel® Storage Adapter RSP3QD160J Intel® RAID Controller RS2BL080 Intel® RAID Controller SRCU41L Intel® Integrated RAID Module RMS3HC080 Intel® Integrated RAID Module RMS3CC040 Intel® RAID Controller RS2BL040 Intel® RAID Controller RS2WG160 Intel® RAID Controller RS25GB008 Intel® RAID Controller RS2MB044 Intel® Integrated RAID Module RMS25JB080 Intel® RAID SSD Cache Controller RCS25ZB040 Intel® Integrated RAID Module RMS25CB040 Intel® RAID Controller SRCSAS144E Intel® RAID Controller SRCSASBB8I Intel® RAID Controller RS3UC080 Intel® Server RAID Controller SRCU31LA Intel® RAID Controller RS2VB080 Intel® RAID Controller SRCS16 Intel® RAID Adapter RSP3MD088F Intel® RAID Controller RS3SC008 Intel® RAID Adapter RSP3WD080E Intel® RAID Controller SRCSATAWB