Creating RAID 5

Purpose

A RAID array can improve the overall storage and access performance of drives. If an LSI SAS3108, LSI SAS3408 or LSI SAS3508 RAID controller card is used, you are advised to create a single-drive RAID 0 array or a RAID 5 array to fully use the RAID controller card cache (which is 2 GB for the LSI SAS3508 RAID controller) and increase the read/write speed.

Procedure

1. Use the storcli64_arm file to check the RAID group status.

   1	./storcli64_arm /c0 show

2. Create a RAID 5 array.

   1 2 3 4

   ./storcli64_arm /c0 add vd r5 drives=65:1-3 ./storcli64_arm /c0 add vd r5 drives=65:4-6 ./storcli64_arm /c0 add vd r5 drives=65:7-9 ./storcli64_arm /c0 add vd r5 drives=65:10-12

   

   In the command, 65:x indicates the EID obtained in 1. Replace it with the actual one.