Megacli

Megaraid command line tool

• http://tools.rapidsoft.de/perc/perc-cheat-sheet.pdf
• http://erikimh.com/megacli-cheatsheet/
• http://tools.rapidsoft.de/perc/
• https://exxa.tech/linux/lsi-megaraid-command-line-utility
• http://www.lsi.com/DistributionSystem/AssetDocument/files/docs/techdocs/storage_stand_prod/sas/embedded_mr_sw_ug.pdf
• Replacing a disk with megacli

Drive mappings

• https://raid.wiki.kernel.org/index.php/Hardware_Raid_Setup_using_MegaCli#Mapping_virtual_drives_to_linux_devices

Shown as Disk0 (Slot number 0) by megacli

Enclosure Device ID: 10 Slot Number: 0 Enclosure position: 0 Device Id: 13 Sequence Number: 11 Media Error Count: 0 Other Error Count: 0 Inquiry Data: X9O1S0V1S5HHTOSHIBA HDWD240 KQ000A

In smart it's

/dev/bus/0 -d sat+megaraid,13

Commands

Show all info

MegaCli -AdpAllInfo -a0

Show all drives

MegaCli -PDList -aALL

Virtual/physical drives

megaCli -LdPdInfo -a0

Show BBU status

megacli -AdpBbuCmd -a0 -nolog

Show array status

MegaCli -LdInfo L1 -a0 -nolog

Locate one drive

Where '6' is the Slot Number from pdlist/pdfino and '252'  the Enclosure device id.

MegaCli64 -PdLocate -start -physdrv \[252:6\] -a0

FAQ

Primary-5, Secondary-0, RAID Level Qualifier-3

https://globalroot.wordpress.com/2013/06/18/megacli-raid-levels/