3Ware 720-0104-00 Manual

Also see for 9000 Series: Installation guide User guide Specification Release notes

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3Ware 720-0104-00 Manual Manual pdf 35 page image

Maint Commandswww.3ware.com 31[maint] createunit cid rRAIDType pid_list [kStripe][noscan] [Dsk_Grp] [nocache] [autoverify] [ignoreECC]This command allows you to create a unit on the specified controller cid, oftype rRAIDType, optional stripe size of kStripe, using one or many disksspecified by pid_list. By default the host operating system is informed of thenew block device and write cache is enabled. In case of RAID 50, you canalso specify the layout of the unit by specifying the number of disks per diskgroup with the gDsk_Grp option.cid is the controller name as in c0, c1, etc.rRAIDType is the RAID or Logical Unit type as in RAID 0, RAID 1,RAID 5, RAID 10, RAID 50, single, spare, and JBOD. The following tableillustrates supported types and controller models.pid_list is a list of ports (disks) to be used in the construction of the specifiedunit. One or more ports can be specified. Multiple ports can be specified usinga colon (:) to separate port indexes and a dash (-) to include a range of portindexes. A dash indicates a range and can be mixed with colons. For examplep0:1:2-5:9:12 indicates port 0, 1, 2 through 5 (inclusive), 9 and 12.kstripe indicates the stripe size to be used. The following table illustrates thesupported and applicability of stripes on unit types and controller models.Stripe size units are in K (kilobytes).Table 4: Supported RAID TypesModel R-0 R-1 R-5 R-10 R-50 Single JBOD Spare7K/8K Yes Yes Yes Yes N/A N/A Yes Yes9K Yes Yes Yes Yes Yes Yes Yes YesTable 5: Supported Stripe SizesModel R0 R1 R5 R10 JBOD Spare R50 Single7K/8K 64 N/A 64 64 N/A N/A N/S N/S128 128256 256512 5121024 10249K 16 N/A 16 16 N/A N/A 16 N/A64 64 64 64256 256 256 256