How To Identify The Hardware RAID Levels Using MegaCli64 -LdPdInfo

Asset ID:	1-71-2111938.1
Update Date:	2016-03-04
Keywords:

Solution Type Technical Instruction Sure

Solution 2111938.1 : How To Identify The Hardware RAID Levels Using MegaCli64 -LdPdInfo

Applies to:

Sun Server X3-2L - Version All Versions and later
Information in this document applies to any platform.

Goal

Customer is looking for a command to find a RAID Level using Megacli.

Solution

Solution:/opt/MegaRAID/MegaCli/MegaCli64 -LdPdInfo -aALL

Provide instructions on how to accomplish the goal.

Explanation of Raid Levels using Megacli/MegaCli64 -LdPdInfo -a0

[‘Primary-0, Secondary-0, RAID Level Qualifier-0’] = RAID-0
[‘Primary-1, Secondary-0, RAID Level Qualifier-0’] = RAID-1
[‘Primary-5, Secondary-0, RAID Level Qualifier-3’] = RAID-5

Example for RAID0

Adapter 0 -- Virtual Drive Information:
Virtual Drive: 0 (Target Id: 0)
Name :
RAID Level : Primary-0, Secondary-0, RAID Level Qualifier-0 ==============================> Raid 0
Size : 278.464 GB
Parity Size : 0
State : Optimal
Strip Size : 64 KB
Number Of Drives : 1
Span Depth : 1
Default Cache Policy: WriteBack, ReadAheadNone, Cached, No Write Cache if Bad BBU
Current Cache Policy: WriteBack, ReadAheadNone, Cached, No Write Cache if Bad BBU
Default Access Policy: Read/Write
Current Access Policy: Read/Write
Disk Cache Policy : Disk's Default
Encryption Type : None
Is VD Cached: No

Example for RAID1

dapter 0 -- Virtual Drive Information:
Virtual Drive: 0 (Target Id: 0)
Name :
RAID Level : Primary-1, Secondary-0, RAID Level Qualifier-0 ==============================> Raid 1
Size : 557.861 GB
Sector Size : 512
Mirror Data : 557.861 GB
State : Optimal <<<<<
Strip Size : 64 KB
Number Of Drives : 2
Span Depth : 1
Default Cache Policy: WriteBack, ReadAheadNone, Cached, No Write Cache if Bad BBU
Current Cache Policy: WriteBack, ReadAheadNone, Cached, No Write Cache if Bad BBU
Default Access Policy: Read/Write
Current Access Policy: Read/Write
Disk Cache Policy : Disk's Default
Encryption Type : None
Default Power Savings Policy: None
Current Power Savings Policy: None
Can spin up in 1 minute: Yes
LD has drives that support T10 power conditions: Yes
LD's IO profile supports MAX power savings with cached writes: Yes
Is VD Cached: Yes
Cache Cade Type : Read Only

Raid 5

Virtual Drive: 2 (Target Id: 2)
Name :
RAID Level : Primary-5, Secondary-0, RAID Level Qualifier-3 ===========================================> Raid 5
Size : 2.447 TB
Parity Size : 278.464 GB
State : Optimal
Strip Size : 64 KB
Number Of Drives : 10
Span Depth : 1
Default Cache Policy: WriteBack, ReadAheadNone, Direct, No Write Cache if Bad BBU
Current Cache Policy: WriteBack, ReadAheadNone, Direct, No Write Cache if Bad BBU
Default Access Policy: Read/Write
Current Access Policy: Read/Write
Disk Cache Policy : Disk's Default
Encryption Type : None
Is VD Cached: No

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