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Lenovo SR650 install oracle linux 8.2


Wei

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Lenovo SR650 install oracle linux 8.2
When this host was first built, two raid groups were built with a hardware read card, one 900G and one 28T.
900G is the operating system disk, and 28T is the data disk.
When installing the operating system, 900G is /dev/sda, and 28T is /dev/sdb.
Recently, the user restarted the operating system before going online after the test, and found that it could not be turned on and stopped in maintenance mode.
It is found that the data disk /dev/sdb becomes /dev/sda, which causes the record of /etc/fstab to be wrong and cannot be booted.
After rebooting again, the data disk changed from /dev/sda back to normal /dev/sdb,
After many tests, the 900G operating system disk is sometimes in /dev/sda, sometimes in /dev/sdb,
Currently workaround is written in /etc/fstab with UUID instead of device name
How to solve this problem

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19 hours ago, Wei said:

Lenovo SR650 install oracle linux 8.2
When this host was first built, two raid groups were built with a hardware read card, one 900G and one 28T.
900G is the operating system disk, and 28T is the data disk.
When installing the operating system, 900G is /dev/sda, and 28T is /dev/sdb.
Recently, the user restarted the operating system before going online after the test, and found that it could not be turned on and stopped in maintenance mode.
It is found that the data disk /dev/sdb becomes /dev/sda, which causes the record of /etc/fstab to be wrong and cannot be booted.
After rebooting again, the data disk changed from /dev/sda back to normal /dev/sdb,
After many tests, the 900G operating system disk is sometimes in /dev/sda, sometimes in /dev/sdb,
Currently workaround is written in /etc/fstab with UUID instead of device name
How to solve this problem

Hi Wei,

Using UUID instead of device name is the best solution to this type of problems. I also recommend using UUID instead of device name even when you're not having any problems. 

- Shovon

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