Virtual Drives - Those drives contains Physical Drives and equal to Raid Devices, represented by id, 0,1,2,3 etc.įor example if we have RAID 0 over 3 Physical Drives, we get: Physical Drives - Physical Hard Disks attached to controller, represented by id, 0,1,2,3 etc. Megacli Concepts Adapters, Physical Drives and Virtual Drivesīefore we go through megacli commands we need to follow megacli concepts.Īdapter - The physical controller which we are going to use, represented by id (usually 0).Įnclosure - The physical chassis the physical drives attached to, represented by id, such as 254,252 etc. MegaCli not providing all the information we need like mapping to linux devices and raid level (readable), so we are going to use some extra tools. With megacli we can create physical raids, gather info about raids and monitor raids.ĭownload and Install MegaCli and other supportive tools Centos yum install MegaCliĬommand location: /opt/MegaRAID/MegaCli/MegaCli64Īlias megacli='/opt/MegaRAID/MegaCli/MegaCli64'Ĭommand Location: /usr/sbin/megacli, no need alias. ![]() MegaCli introduced by LSI as a command line administration of LSI MegaRaid controllers. ![]()
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