{{tag>raid megacli}}

====== megacli commands  ======
===== Info =====
  megacli -LDInfo -Lall -aAll
  megacli -AdpAllInfo -aALL
  megacli -PDList -aALL

===== Check disk for predictive error count =====
  megacli -PDList -aAll | egrep "Enclosure Device ID:|Slot Number:|Inquiry Data:|Error Count:|state|Device Id:"

===== Rebuild drive =====
  megacli -PDRbld -ShowProg -PhysDrv[252:1] -a0

===== Check battery (BBU) =====
  megacli -AdpBbuCmd -aALL

===== Delete virtual drive 1 =====

  megacli -CfgLdDel -L1 -a0

===== No writeback cache =====

  megacli -LDSetProp -NoCachedBadBBU -Immediate -Lall -aAll

===== ROM flash =====

  megacli -adpfwflash -f imr_fw.rom -a0

===== Create raid 1 =====

  megacli -CfgLdAdd -r1 [32:0,32:1] WB NORA Direct NoCachedBadBBU -strpsz64 -a0

===== Create raid 10 =====

  megacli -CfgSpanAdd -R10 -Array0 [252:4,252:5] -Array1 [252:6,252:7] WB NORA Direct -strpsz64 -a0

===== raid 1 from 4 disks =====

  megacli -CfgLdAdd -r1 [32:2,32:3] WB RA Direct CachedBadBBU -a0

In square brackets are Enclosure Id:Slot Id. Check those with

  megaCli -PDList -aALL

====== Tested on ======
  * 

====== See also ======
  * [[wiki:create_raid_5_4_disks_encryption_hetzner|Create RAID 5 from 4 disks with encryption on Hetzner]]
====== References ======
  * https://globalroot.wordpress.com/2013/06/18/megacli-raid-levels/
  * https://supportforums.cisco.com/document/62901/megacli-common-commands-and-procedures
  * https://www.thomas-krenn.com/en/wiki/Smartmontools_with_MegaRAID_Controller
  * https://www.thomas-krenn.com/de/wiki/MegaCLI_Optionen
  * http://www.advancedclustering.com/act_kb/replacing-a-disk-with-megacli/
  * http://pleiades.ucsc.edu/doc/lsi/MegaRAID_SAS_Software_User_Guide.pdf