MegaRAID: Difference between revisions
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(Created page with "= MegaRAID = * install MegaCli64 <pre> read https://gist.github.com/fxkraus/595ab82e07cd6f8e057d31bc0bc5e779 wget https://docs.broadcom.com/docs-and-downloads/raid-controllers/raid-controllers-common-files/8-07-14_MegaCLI.zip or get a copy from /home/olchansk/sysadm/MegaRAID as root: unzip 8-07-14_MegaCLI.zip cd Linux alien MegaCli-8.07.14-1.noarch.rpm dpkg -i megacli_8.07.14-2_all.deb cd ~root ln -s /opt/MegaRAID/MegaCli/MegaCli64 . </pre> * get logical drives: ./MegaC...") |
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* get physical drives: ./MegaCli64 -pdList -aALL | * get physical drives: ./MegaCli64 -pdList -aALL | ||
= Recover from = | = Recover from "unconfigured bad" = | ||
* this means disk was removed at the wrong time | |||
* ./MegaCli64 -pdList -aALL | grep -i for ### should show no foreign configs available | |||
* ./MegaCli64 -PDMakeGood -PhysDrv[134:0] -a0 ### make it "unconfigured good", first number is "Enclosure device id", second number is "slot number" (0 to 7) | |||
* run -pdList again, it should find a foreign config | |||
* repeat for all disks, they all should show foreign config available | |||
* ./MegaCli64 -CfgForeign -Preview -aALL ### examine it | |||
* ./MegaCli64 -CfgForeign -Import -aALL ### import it | |||
* ./MegaCli64 -LDInfo -lALL -aALL ### observe logical drives exist | |||
* ls -l /sys/block ### observe block devices sda, sdb, etc now exist | |||
* blkid ### show disk labels | |||
* mount /dev/sda1 /mnt/tmp ### try to mount | |||
Revision as of 00:59, 23 February 2024
MegaRAID
- install MegaCli64
read https://gist.github.com/fxkraus/595ab82e07cd6f8e057d31bc0bc5e779 wget https://docs.broadcom.com/docs-and-downloads/raid-controllers/raid-controllers-common-files/8-07-14_MegaCLI.zip or get a copy from /home/olchansk/sysadm/MegaRAID as root: unzip 8-07-14_MegaCLI.zip cd Linux alien MegaCli-8.07.14-1.noarch.rpm dpkg -i megacli_8.07.14-2_all.deb cd ~root ln -s /opt/MegaRAID/MegaCli/MegaCli64 .
- get logical drives: ./MegaCli64 -LDInfo -lALL -aALL
- get physical drives: ./MegaCli64 -pdList -aALL
Recover from "unconfigured bad"
- this means disk was removed at the wrong time
- ./MegaCli64 -pdList -aALL | grep -i for ### should show no foreign configs available
- ./MegaCli64 -PDMakeGood -PhysDrv[134:0] -a0 ### make it "unconfigured good", first number is "Enclosure device id", second number is "slot number" (0 to 7)
- run -pdList again, it should find a foreign config
- repeat for all disks, they all should show foreign config available
- ./MegaCli64 -CfgForeign -Preview -aALL ### examine it
- ./MegaCli64 -CfgForeign -Import -aALL ### import it
- ./MegaCli64 -LDInfo -lALL -aALL ### observe logical drives exist
- ls -l /sys/block ### observe block devices sda, sdb, etc now exist
- blkid ### show disk labels
- mount /dev/sda1 /mnt/tmp ### try to mount