An user-mode helper is a user command, which is executed before changing
a group state. It allows userspace to run required actions to handle a
new state.
For example, our storage doesn't allow to open one file from a few
nodes, so when a target is switched from standby to active, we have to
get
On Tue, Jan 16, 2018 at 11:03:26AM +0300, grem...@gremlin.ru wrote:
> On 2018-01-16 01:51:31 +0300, Cyrill Gorcunov wrote:
>
> > The kernel virtualize access to proc/sys/ entries in lightweight
> > way -- if entry is opened from inside of veX then it's not allowed
> > to be written.
>
> In
