Error running a command. cmd = /usr/bin/ls -lr /dev/disk/by-id. rc = 2. stdout = ['']. stderr = ["/usr/bin/ls: cannot access '/dev/disk/by-id': No such file or directory", '']

Support
1

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Brief description of the problem

New istallation of RockStor, OS updated. Not possible to add disks, mising /dev/disk/by-id

Detailed step by step instructions to reproduce the problem

Fressh install

Web-UI screenshot

image
image753×355 8.62 KB

Error Traceback provided on the Web-UI

        Traceback (most recent call last):

File “/opt/rockstor/src/rockstor/rest_framework_custom/generic_view.py”, line 41, in _handle_exception
yield
File “/opt/rockstor/src/rockstor/storageadmin/views/disk.py”, line 504, in post
return self._update_disk_state()
File “/opt/rockstor/eggs/Django-1.8.16-py2.7.egg/django/utils/decorators.py”, line 145, in inner
return func(*args, **kwargs)
File “/opt/rockstor/src/rockstor/storageadmin/views/disk.py”, line 116, in _update_disk_state
byid_name_map = get_byid_name_map()
File “/opt/rockstor/src/rockstor/system/osi.py”, line 1871, in get_byid_name_map
out, err, rc = run_command([LS, “-lr”, “/dev/disk/by-id”], throw=True)
File “/opt/rockstor/src/rockstor/system/osi.py”, line 224, in run_command
raise CommandException(cmd, out, err, rc)
CommandException: Error running a command. cmd = /usr/bin/ls -lr /dev/disk/by-id. rc = 2. stdout = [‘’]. stderr = [“/usr/bin/ls: cannot access ‘/dev/disk/by-id’: No such file or directory”, ‘’]
2

@Omx Welcome to the Rockstor community forum.

You likely have no devices on this system that have caused the creation of this directory. It’s usually managed by udev. Take a look at our “Minimum system requirements” doc section:
https://rockstor.com/docs/installation/quickstart.html#minimum-system-requirements
in the “Quick start” section:
https://rockstor.com/docs/installation/quickstart.html#quick-start

It may be you are using a VM which does not meet these requirements. Specifically serial numbers on devices.

Hope that helps.

2 Likes
3

@Omx I’ve now created the following GitHub issue to address what I think has happened in the situation you have reported. I.e. to produce a better error advising on the likely cause:

Hopefully that will help others, in time, once this issue is addressed.

3 Likes