[linux-lvm] storage-logger: Recording changes to the udev database

Brian McCullough bdmc at bdmcc-us.com
Fri Mar 27 19:50:06 UTC 2020

On Thu, Mar 26, 2020 at 11:31:45PM +0000, Alasdair G Kergon wrote:
> I'm experimenting with ways of recording changes to the udev database so
> you can look back at the history of the storage stack on a particular
> machine.  This is still a work-in-progress, but it's reached a point
> where I'd like more people to try it out.
> I've written a shell script that records data related to storage uevents
> in the system journal and a perl script that helps you to interrogate
> this data later to create a representation of the storage components.
> If you're interested, please try this out and let me know if you think
> pursing this approach further would lead to something that you would
> use and distributions should ship.

Quick note, Alasdair.

In your instructions, you say to put the "working" script in /usr/sbin,
while in the udev rule, it is in /sbin/

I tried adding and removing a USB-connected drive, but did not see any
response in the journal.  Should I have seen something, or are those not


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