[dm-devel] sg_persist triggers block kernel event ???

Zdenek Kabelac zkabelac at redhat.com
Sun May 4 16:57:54 UTC 2014

Dne 3.5.2014 22:12, Christophe Varoqui napsal(a):
> Hi list,
> I observe this on a debian 7.5 server with a udevadm monitor running in the
> background :
> # sg_persist -n -k /dev/sdbh
>    PR generation=0x0, there are NO registered reservation keys

Whoever opens   device in 'read-write' mode  and then closes device triggers 
udev change event. (udev rescans whatever has changed on device after this)

That's how it works for many years already.
It's not a bug and some even says it's a feature....


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