MegaCli64

Display Info about the adapter

./MegaCli64 -AdpAllInfo -aALL

Display Physical devices

./MegaCli64 -PDList -aALL

 Display Logical devices

./MegaCli64 -LDInfo -LALL -aALL

Display detailed Adapter and Device information

./MegaCli64 -AdpAlILog -aALL

Make state "Unconfigured Good"

./MegaCli64 -PDMakeGood -PhysDrv[8:3,8:4,8:5] -a0

Add disk to the array

./MegaCli64 -LDRecon -Start -R5 -Add -PhysDrv[252:7] -L0 -a0

Check RAID reconstruction status

./MegaCli64 -ldrecon showprog -L0 -a0

Refresh the kernel infos about the RAID

rmmod megaraid_sas ; modprobe megaraid_sas

Extend the partition

remove the partion and create it new

resize the filesystem (you have maybe to run e2fsck before)

resize2fs /dev/xxxx

Server RAID configuration

Port  Slot   Id    Address
0     3      8     online
1     1      11    online
2     2      9     online
3     0      10    hotspare
4     5      15    online 
5     7      14    unconfigured 
6                 0000000000000000 
7                 0000000000000000