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Red Hat 5.3raid5 Problems

Source: Internet
Author: User
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Red Hat 5.3raid5-Linux Enterprise Application-Linux server application information. Raid cannot start after the disk is broken

[Root @ imegaware dev] # mdadm-E/dev/sdb
/Dev/sdb:
Magic: a92b4efc
Version: 00.90.00
UUID: add64b93: 2c5a2503: 4c2ca768: 9e35d09f
Creation Time: Tue Jun 15 16:15:01 2010
Raid Level: raid5
Used Dev Size: 1465138496 (1397.26 GiB 1500.30 GB)
Array Size: 4395415488 (4191.79 GiB 4500.91 GB)
Raid Devices: 4
Total Devices: 4
Preferred Minor: 0

Update Time: Wed Nov 23 13:31:09 2011
State: clean
Active Devices: 2
Working Devices: 2
Failed Devices: 2
Spare Devices: 0
Checksum: 5ff784d2-correct
Events: 0.10572

Layout: left-lateral ric
Chunk Size: 64 K

Number Major Minor RaidDevice State
This 0 8 16 0 active sync/dev/sdb

0 0 8 16 0 active sync/dev/sdb
1 1 0 0 1 faulty removed
2 2 8 48 2 active sync/dev/sdd
3 3 0 0 3 faulty removed

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