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Dell OpenManage Server Administrator Version 7.4 Command Line Interface Guide

spanlength=<n> (Required For RAID 50 And RAID 60 And Optional For RAID 10)

Use this parameter to specify the number of physical disks in each stripe. This parameter applies only to RAID-50 virtual disks. If you are not creating a RAID-50 virtual disk, do not specify this parameter. For example:
spanlength=3
For RAID 10 on SAS controllers with firmware version 6.1 and later, spanlength is optional. Also, you can now specify the spanlength as an even number with a maximum of 8 spans with 32 physical disks each. For example:
omconfig storage controller action=createvdisk controller=1 raid=r10 size=min pdisk= 1:1:0,1:1:1,1:1:3,1:1:4,1:1:6,1:1:7,1:1:8,1:1:9
                                    spanlength=4
                                 

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