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新主機板和處理器後 mdadm 遺失 RAID5

tag-icon • tag-icon ubuntu raid mdadm raid-5
新主機板和處理器後 mdadm 遺失 RAID5

我將 mdadm RAID5 移至不同的主機板/處理器、相同的啟動磁碟機。

在 mdadm --assemble --scan 期間不再找到該數組

主機板之前運行的是 INTEL RAID，因此當它啟動時，它顯示 RAID5 中的所有四個磁碟機都不是 RAID 的一部分。

root@server:/dev# mdadm --examine /dev/sdc
/dev/sdc:
   MBR Magic : aa55
Partition[0] :   4294967295 sectors at            1 (type ee)
root@server:/dev# mdadm --examine /dev/sdd
/dev/sdd:
   MBR Magic : aa55
Partition[0] :   3907029167 sectors at            1 (type ee)
root@server:/dev# mdadm --examine /dev/sde
/dev/sde:
   MBR Magic : aa55
Partition[0] :   3907029167 sectors at            1 (type ee)
root@server:/dev# mdadm --examine /dev/sdf
/dev/sdf:
   MBR Magic : aa55
Partition[0] :   3907029167 sectors at            1 (type ee)
root@server:/dev# mdadm --detail --scan

mdadm --assemble --scan --verbose 顯示：

/dev/sdc:
   MBR Magic : aa55
Partition[0] :   4294967295 sectors at            1 (type ee)
root@server:/dev# mdadm --examine /dev/sdd
/dev/sdd:
   MBR Magic : aa55
Partition[0] :   3907029167 sectors at            1 (type ee)
root@server:/dev# mdadm --examine /dev/sde
/dev/sde:
   MBR Magic : aa55
Partition[0] :   3907029167 sectors at            1 (type ee)
root@server:/dev# mdadm --examine /dev/sdf
/dev/sdf:
   MBR Magic : aa55
Partition[0] :   3907029167 sectors at            1 (type ee)
root@server:/dev# mdadm --detail --scan

Disk /dev/sdc: 2.73 TiB, 3000592982016 bytes, 5860533168 sectors
Disk model: WDC WD30EZRX-00M
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: gpt
Disk identifier: 46FF8DF1-6613-474B-A513-FEB737C14B77

Disk /dev/sdd: 1.82 TiB, 2000398934016 bytes, 3907029168 sectors
Disk model: ST2000DM001-1CH1
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: gpt
Disk identifier: 5BD6C09B-47DA-4BBD-9E85-46A43FF9610E

Disk /dev/sde: 1.82 TiB, 2000398934016 bytes, 3907029168 sectors
Disk model: WDC WD20EARS-00M
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: gpt
Disk identifier: D8822B21-1E1E-4F1B-9A49-9B2A0A76C48A

Disk /dev/sdf: 1.82 TiB, 2000398934016 bytes, 3907029168 sectors
Disk model: WDC WD20EARS-00M
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: gpt
Disk identifier: EDA76DF6-EF1F-4D48-ABF1-70E253D26B10

想法？

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