raid
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raid [2009/09/29 15:02] – 172.26.0.166 | raid [2009/09/30 06:43] – 172.26.0.166 | ||
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===== Hardware RAID ===== | ===== Hardware RAID ===== | ||
- | There is a utility, tw_cli, which can be used to control | + | A 3ware 9500S SATA RAID card using the 3w-9xxx kernel module. |
- | | 8 | 9 | 10 | 11 | | + | ==== Physical Disk Layout ==== |
- | | 4 | 5 | 6 | 7 | | + | |
- | | 0 | 1 | 2 | 3 | | + | We have one RAID controller, ' |
+ | |||
+ | | Port 8 | Port 9 | Port 10 | Port 11 | | ||
+ | | Port 4 | Port 5 | Port 6 | Port 7 | | ||
+ | | Port 0 | Port 1 | Port 2 | Port 3 | | ||
+ | |||
+ | ==== Repairing ' | ||
+ | |||
+ | There is a utility, tw_cli, which can be used to control/ | ||
Study the output of '' | Study the output of '' | ||
* Which controller is active? (c0, c1, etc) | * Which controller is active? (c0, c1, etc) | ||
* Which unit is degraded? (u0, u1, u2, etc) | * Which unit is degraded? (u0, u1, u2, etc) | ||
- | * Which | + | * Which port is inactive or missing? (p1, p5, etc) |
+ | |||
+ | <note important> | ||
Remove the faulty port: | Remove the faulty port: | ||
Line 82: | Line 92: | ||
Rebuild the degraded array: | Rebuild the degraded array: | ||
< | < | ||
- | Check the status of the rebuild by monitoring ''/ | + | |
+ | Check the status of the rebuild by monitoring ''/ | ||
+ | |||
+ | < | ||
+ | 3w-9xxx: scsi1: AEN: INFO (0x04: | ||
+ | |||
+ | This sucks: | ||
+ | |||
+ | < | ||
+ | 3w-9xxx: scsi1: AEN: INFO (0x04: | ||
+ | 3w-9xxx: scsi1: AEN: ERROR (0x04: | ||
+ | |||
+ | < | ||
+ | Password: | ||
+ | // | ||
+ | |||
+ | Unit UnitType | ||
+ | ------------------------------------------------------------------------------ | ||
+ | u0 RAID-5 | ||
+ | u1 RAID-5 | ||
+ | u2 RAID-5 | ||
+ | |||
+ | Port | ||
+ | --------------------------------------------------------------- | ||
+ | p0 | ||
+ | p1 | ||
+ | p2 | ||
+ | p3 | ||
+ | p4 | ||
+ | p5 | ||
+ | p6 | ||
+ | p7 | ||
+ | p8 | ||
+ | p9 | ||
+ | p10 OK | ||
+ | p11 OK | ||
+ | |||
+ | Looks like another drive failed. |
raid.txt · Last modified: 2010/09/19 23:58 by aorth