Supported settings for RAID controllers

Supported settings for each RAID controller when using PRAID are listed with details about the read policy, write policy, RAID levels, and stripe size.

Table 1 lists the supported settings for each RAID controller when using PRAID.

In some cases, when using PRAID, the list of supported settings might differ from the supported settings of the RAID controller. These known cases are indicated in the following table.

Table 1. Supported settings for each RAID controller when using PRAID. Bold settings are defaults.
RAID adapters	Read policy	Write policy	RAID Levels¹	Stripe Size (KB)
ServeRAID-B5015	ON OFF	[n/a]	R1, R5	4, 8, 16, 32, 64, 128, 256, 512, 1024
LSI-IDEal-RAID	[n/a]	[n/a]	R0, R1	32, 64, 128, 256, 512, 1024, 2048, 4096
LSI-MegaRAID-8480	[n/a]	[n/a]	R0, R1, R10, R5, R50	4, 8, 16, 32, 64, 128
LSI-SAS-1078-IR	[n/a]	[n/a]	R0, R1	[n/a]
LSI-SAS-RAID	[n/a]	[n/a]	R0, R1, R1E	[n/a]
LSI-SCSI-RAID	[n/a]	[n/a]	R1	[n/a]
ServeRAID-7t	ON OFF AUTO	ON OFF	RVOLUME, R0, R1, R10, R5	16, 32, 64
ServeRAID-8i	ON OFF AUTO	ON OFF	RVOLUME, R0, R1, R10, R1E, R5, R50, R5EE, R6, R60	16, 32, 64, 128, 256, 512, 1024
ServeRAID-8k	ON OFF AUTO	ON OFF	RVOLUME, R0, R1, R10, R1E, R5, R6	16, 32, 64, 128, 256, 512, 1024
ServeRAID-8k-l	ON OFF AUTO	ON OFF	RVOLUME, R0, R1, R10	16, 32, 64, 128, 256, 512, 1024
ServeRAID-8s	ON OFF AUTO	ON OFF	RVOLUME, R0, R1, R10, R1E, R5, R50, R6	16, 32, 64, 128, 256, 512, 1024
ServeRAID-BR10ie	[n/a]	[n/a]	R0, R1, R1E	[n/a]
ServeRAID-BR10il	[n/a]	[n/a]	R0, R1, R1E	[n/a]
ServeRAID-M1015	[n/a]	[n/a]	R0, R1, R10	8, 16, 32, 64
ServeRAID-M1015–R5	[n/a]	[n/a]	R0, R1, R10, R5, R50	8, 16, 32, 64
ServeRAID-M1xxx	[n/a]	[n/a]	R0, R1, R10	8, 16, 32, 64
ServeRAID-M1xxx_R5	[n/a]	[n/a]	R0, R1, R10, R5, R50	8, 16, 32, 64
ServeRAID-M5014	ON OFF AUTO	ON OFF	R0, R1, R10, R5, R50	8, 16, 32, 64, 128
ServeRAID-M5014-R6-R60	ON OFF AUTO	ON OFF	R0, R1, R10, R5, R50, R6, R60	8, 16, 32, 64, 128
ServeRAID-M5015	ON OFF AUTO	ON OFF	R0, R1, R10, R5, R50	8, 16, 32, 64, 128
ServeRAID-M5015-R6-R60	ON OFF AUTO	ON OFF	R0, R1, R10, R5, R50, R6, R60	8, 16, 32, 64, 128
ServeRAID-M5025	ON OFF AUTO	ON OFF	R0, R1, R10, R5, R50	8, 16, 32, 64, 128, 256, 512, 1024
ServeRAID-M5025-R6-R60	ON OFF AUTO	ON OFF	R0, R1, R10, R5, R50, R6, R60	8, 16, 32, 64, 128, 256, 512, 1024
ServeRAID-M5xxx	ON OFF AUTO	ON OFF	R0, R1, R10, R5, R50, R6, R60	8, 16, 32, 64, 128, 256, 512, 1024
ServeRAID-M51xx	ON OFF AUTO	ON OFF	R0, R1, R10	8, 16, 32, 64, 128, 256, 512, 1024
ServeRAID-M51xx_R5	ON OFF AUTO	ON OFF	R0, R1, R10, R5, R50	8, 16, 32, 64, 128, 256, 512, 1024
ServeRAID-M51xx_R6	ON OFF AUTO	ON OFF	R0, R1, R10, R6, R60	8, 16, 32, 64, 128, 256, 512, 1024
ServeRAID-M51xx_R5_R6	ON OFF AUTO	ON OFF	R0, R1, R10, R5, R50, R6, R60	8, 16, 32, 64, 128, 256, 512, 1024
ServeRAID-M5210	ON OFF AUTO	ON OFF	R0,R1,R10	8,16.32,64
ServeRAID-M5210-R5	ON OFF AUTO	ON OFF	R0, R1, R10, R5, R50, R6, R60	8,16.32,64
ServeRAID-M1215	ON OFF AUTO Write	ON OFF	R0, R1, R10	64
ServeRAID-M1215-R5	ON OFF AUTO	ON OFF	R0, R1, R10, R5, R50	64
ServeRAID-M1210e	ON OFF AUTO	ON OFF	R0, R1, R10	64
ServeRAID-MR10i	ON OFF AUTO	ON OFF	R0, R1, R10, R5, R50, R6, R60	8, 16, 32, 64, 128
ServeRAID-MR10il	ON OFF AUTO	ON OFF	R0, R1, R10, R5, R50, R6, R60	8, 16, 32, 64, 128
ServeRAID-MR10is	ON OFF AUTO	ON OFF	R0, R1, R10, R5, R50, R6, R60	8, 16, 32, 64, 128, 256, 512, 1024
ServeRAID-MR10k	ON OFF AUTO	ON OFF	R0, R1, R10, R5, R50, R6, R60	16, 32, 64, 128, 256, 512, 1024
ServeRAID-MR10M	ON OFF AUTO	ON OFF	R0, R1, R10, R5, R50, R6, R60	8, 16, 32, 64, 128
ServeRAID-C100	[n/a]	[n/a]	R0, R1, R10	64
ServeRAID-C100-R5	[n/a]	[n/a]	R0, R1, R10, R5	64
ServeRAID-C105	[n/a]	[n/a]	R0, R1,R10	64
SAS2004	[n/a]	[n/a]	R0, R1, R10, R1E	[n/a]

RAID levels 5E and 5EE support only one logical drive per array.

Default RAID levels are described in Default RAID levels.