Tutorial
Check LSI Raid status in Centos
How do I check LSI MegaRAID controller and raid array status on a linux server
Use the LSI MegaRAID megarc command line cli tool
Download the megarc tool
Download the megarc.bin utility which can be downloaded from LSI website at http://www.lsi.com/downloads/Public/MegaRAID Common Files/ut_linux_megarc_1.11.zip
# mkdir /opt/LSI_MegaRAID
# unzip ut_linux_megarc_1.11.zip
# chmod 700 megarc
How to check LSI MegaRAID status with megarc
Check all Logical drives on Adapter “0″
# ./megarc -ldInfo -a0 -Lall
Output will similar to:
********************************************************************** MEGARC MegaRAID Configuration Utility(LINUX)-1.11(12-07-2004) By LSI Logic Corp.,USA ********************************************************************** [Note: For SATA-2, 4 and 6 channel controllers, please specify Ch=0 Id=0..15 for specifying physical drive(Ch=channel, Id=Target)] Type ? as command line arg for help Finding Devices On Each MegaRAID Adapter... Scanning Ha 0, Chnl 0 Target 15 *******Information Of Logical Drive 0******* Logical Drive : 0( Adapter: 0 ): Status: OPTIMAL
---------------------------------------------------
SpanDepth :01 RaidLevel: 1 RdAhead : No Cache: CachedIo
StripSz :064KB Stripes : 2 WrPolicy: WriteBack
Logical Drive 0 : SpanLevel_0 Disks
Chnl Target StartBlock Blocks Physical Target Status
---- ------ ---------- ------ ----------------------
0 00 0x00000000 0xe8e06000 ONLINE
0 01 0x00000000 0xe8e06000 ONLINE
Supported LSI Controllers
MegaRAID SCSI 320-0 MegaRAID SCSI 320-1 MegaRAID SCSI 320-2 MegaRAID SCSI 320-0X MegaRAID SCSI 320-2X MegaRAID SCSI 320-4X MegaRAID SCSI 320-2E MegaRAID SATA 150-4 MegaRAID SATA 150-6 MegaRAID SATA 300-4x MegaRAID SATA 300-8x
Fabio Milano has written 80 articles for us.
Fabio Milano is a certified RHCE, MCP, and CFOI. He runs an IT consulting and services company called RDS Support inc. Website:http://www.rdssupport.com
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