Some troubles with grub with buster point release 10.8

Stefan Möding s.moeding at gmail.com
Wed Feb 10 19:53:39 CET 2021


Thomas Lange <lange at cs.uni-koeln.de> writes:

> Ooh, it seems more complicated. Your code does not work on a machine
> with one SATA disk:

> $ udevadm info -r --query=symlink /dev/sda
> /dev/disk/by-id/wwn-0x5001517803d00e48
> /dev/disk/by-id/ata-INTEL_SSDSC2CW120A3_CVCV249103KG120BGN
> /dev/disk/by-path/pci-0000:00:1f.2-ata-1

> $ udevadm info -r --query=symlink /dev/sda | sed -n
> 's;.*\(/dev/disk/by-id/\S\+\).*;\1;p'
> /dev/disk/by-id/wwn-0x5001517803d00e48

Oh... So "sed" might not be a good idea if you want all entries.


> Before changing the code, I like to know if there are more unknows
> cases we should keep an eye on.

This is on VMware using a paravirtualized LSI SCSI controller:

# udevadm info -r --query=symlink /dev/sda
/dev/disk/by-path/pci-0000:00:10.0-scsi-0:0:0:0

No entry below /dev/disk/by-id at all.

--
Stefan


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