alicebeast
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alicebeast [2021/01/19 17:17] florido [RAID disk failing] |
alicebeast [2021/01/19 17:23] florido [Emergency procedures] |
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| * **swRAID**: a device managed by software RAID, which is a feature of the kernel to create RAID disks. Such feature is less reliable than an actual physical raid but it should give enough time to take action when something breaks. It includes you being able to finish a running job before shutting down the machine. | * **swRAID**: a device managed by software RAID, which is a feature of the kernel to create RAID disks. Such feature is less reliable than an actual physical raid but it should give enough time to take action when something breaks. It includes you being able to finish a running job before shutting down the machine. | ||
| + | All commands must be done while being root (''sudo -s'') | ||
| ==== HW RAID disk failing ==== | ==== HW RAID disk failing ==== | ||
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| * Identify the broken disk | * Identify the broken disk | ||
| * Substitute the broken disk with a new one | * Substitute the broken disk with a new one | ||
| - | * Follow instructions about how to rebuild the array. The system does it automatically. One can check the status of the rebuild with <code bash>#show background activity | + | * The system should automatically rebuild the array. One can check the status of the rebuild with <code bash>#show background activity |
| storcli/c0/v0 show bgi</code><code bash># show array initialization or rebuild | storcli/c0/v0 show bgi</code><code bash># show array initialization or rebuild | ||
| storcli/c0/v0 show init</code> | storcli/c0/v0 show init</code> | ||
| Line 139: | Line 140: | ||
| > How to detect? | > How to detect? | ||
| + | |||
| + | * I have a script that informs me of the status of the RAID. I will send the output to you as well after some testing | ||
| + | * A command that can be used to check the arrays is as follows: <code:shell>for i in 5 6 7; do mdadm --detail /dev/md12$i; done</code> | ||
| > What to do | > What to do | ||
alicebeast.txt ยท Last modified: 2021/01/19 17:23 by florido
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