Dell EMC OpenManage Command Line Interface Guide Version 9.1

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spanlength

Use this parameter to specify the number of physical disks in each stripe. This parameter applies only to RAID-50 an RAID 60 and optional for RAID 10 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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