Dell PowerEdge M915 Technical Guide - Page 35

RAID Configurations, Storage Controllers

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Dell 12.5 RAID Configurations Table 10. Factory RAID Configurations Configuration Hot-plug Min. HD Max. HD Description ZERO No 0 0 Diskless configuration, no daughtercard ASSN ASSR0 No 1 2 No 2 2 ASSR1 Yes 2 2 ASSCBR0 No 2 2 ASSCBR1 Yes 2 2 SAS drives using PERC H200 with no RAID SAS drives using PERC H200 with drives in RAID 0 stripe SAS drives using PERC H200 with drives in RAID 1 mirror SAS or Solid State drives using the PERC H700 (with battery) with drives in RAID 0 stripe SAS or solid-state drives using PERC H700 (with battery) with drives in RAID 1 mirror 12.6 Storage Controllers Table 11. Supported Storage Controllers Model Interface PCI SAS Cache Write Support Support Connectors Memory Back Size Cache RAID Levels PERC 6Gb/s H700 SAS Modular PCIExpress 2.0 1x4 internal 512MB Yes 0, 1, 5, 6, 10 (battery backup) PERC 6Gb/s H200 SAS Modular PCIExpress 2.0 1x4 internal 0, 1, 10, - - supports non-RAID Max. RAID Drive Support Support 4 Hardware RAID 4 Hardware RAID 12.6.1 PERC H200 Modular The PERC H200 Modular card is an expansion controller that incorporates two four-channel 6 Gb/s SAS IOCs for connection to SAS hard disk drives. It is designed in a form factor that allows the same card to be used in other 11G blade-server platforms. 12.6.2 PERC H700 Modular The M915 also supports the PERC H700 Modular storage controller card with battery-backed cache. The PERC H700 card has its own processor with a PCI Express Gen2 host interface and DDR2 memory. PowerEdge M915 Technical Guide 35

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Dell
PowerEdge M915 Technical Guide
35
12.5
RAID Configurations
Factory RAID Configurations
Table 10.
Configuration
Hot-plug
Min. HD
Max. HD
Description
ZERO
No
0
0
Diskless configuration, no daughtercard
ASSN
No
1
2
SAS drives using PERC H200 with no RAID
ASSR0
No
2
2
SAS drives using PERC H200 with drives in
RAID 0 stripe
ASSR1
Yes
2
2
SAS drives using PERC H200 with drives in
RAID 1 mirror
ASSCBR0
No
2
2
SAS or Solid State drives using the
PERC H700 (with battery) with drives in
RAID 0 stripe
ASSCBR1
Yes
2
2
SAS or solid-state drives using PERC H700
(with battery) with drives in RAID 1
mirror
12.6
Storage Controllers
Supported Storage Controllers
Table 11.
Model
Interface
Support
PCI
Support
SAS
Connectors
Cache
Memory
Size
Write
Back
Cache
RAID Levels
Max.
Drive
Support
RAID
Support
PERC
H700
Modular
6Gb/s
SAS
PCI-
Express
2.0
1x4
internal
512MB
Yes
(battery
backup)
0, 1, 5, 6, 10
4
Hardware
RAID
PERC
H200
Modular
6Gb/s
SAS
PCI-
Express
2.0
1x4
internal
—
—
0, 1, 10,
supports
non-RAID
4
Hardware
RAID
12.6.1
PERC H200 Modular
The PERC H200 Modular card is an expansion controller that incorporates two four-channel 6 Gb/s
SAS IOCs for connection to SAS hard disk drives. It is designed in a form factor that allows the same
card to be used in other 11G blade-server platforms.
12.6.2
PERC H700 Modular
The M915 also supports the PERC H700 Modular storage controller card with battery-backed cache.
The PERC H700 card has its own processor with a PCI Express Gen2 host interface and DDR2 memory.