Digimer <[email protected]> writes:

> So we have a tool that watches for changes to clvmd by running
> pvscan/vgscan/lvscan, but this seems to be expensive and occassionally
> cause trouble.

What kind of trouble did you experience?

> Is there any other way to be notified or to check when something
> changes?

LV (de)activation generates udev events (due to block devices appearing/
disappearing).  PVs too, but they don't go though clvmd.
-- 
Regards,
Feri

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