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RAID構成の調べ方 ref: http://qiita.com/yn-misaki/items/e4df57305d0308ccbb8e
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| $ sudo yum install -y https://ginernet.com/downloads/MegaCli-8.07.14-1.noarch.rpm |
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| $ sudo /opt/MegaRAID/MegaCli/MegaCli64 -LDInfo -LALL -aAll |
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| Adapter 0 -- Virtual Drive Information: | |
| Virtual Disk: 0 (Target Id: 0) | |
| Name: | |
| RAID Level: Primary-5, Secondary-0, RAID Level Qualifier-3 ←大事 | |
| Size:556.929 GB | |
| State: Optimal | |
| Stripe Size: 64 KB | |
| Number Of Drives:3 | |
| Span Depth:1 ←大事 | |
| Default Cache Policy: WriteBack, ReadAheadNone, Direct, No Write Cache if Bad BBU | |
| Current Cache Policy: WriteBack, ReadAheadNone, Direct, No Write Cache if Bad BBU | |
| Access Policy: Read/Write | |
| Disk Cache Policy: Disk's Default | |
| Encryption Type: None |
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