故障現象 （陣列Foreign 系統下重做陣列）

例：四合一機器(DELL_XENCOMPA09) 有四個硬盤

如圖 少認到一個

df -h

fdisk -l 2>/dev/null | grep ‘Disk /dev/‘ -c

/opt/MegaRAID/MegaCli/MegaCli64 -LdInfo -Lall –aALL 可以確認認到幾個盤

查看1

cat /proc/scsi/scsi

dmesg |grep -i raid

1.查看RAID卡的設備號

/opt/MegaRAID/MegaCli/MegaCli64 -PDList -aAll |grep "Device ID"

2.查看Slot ID，有沒有錯序的情況

/opt/MegaRAID/MegaCli/MegaCli64 -PDList -aAll |grep "Slot"

3.查看Foreign信息

/opt/MegaRAID/MegaCli/MegaCli64 -PDList -aAll |grep "Foreign State"

4.清除Foreign信息

/opt/MegaRAID/MegaCli/MegaCli64 -CfgForeign -Clear -a0

5．再查看

/opt/MegaRAID/MegaCli/MegaCli64 -PDList -aAll |grep "Foreign State"

6重新做RAID，在Slot2做RAID0

7確認認到4個

fdisk -l 2>/dev/null | grep ‘Disk /dev/‘ -c

fdisk -l 2>/dev/null | grep ‘Disk /dev/‘

/opt/MegaRAID/MegaCli/MegaCli64 -LdInfo -Lall –aALL 可以確認認到幾個盤

DELL陣列（陣列Foreign）命令行裏重做陣列