[stgt] make initiators "rescan" the device?

[Tomasz Chmielewski]

Sometimes, I need to resize the device on the target.

Technically, I do this as follows:

lvextend -L+5G /dev/san14/blah1
tgt-admin --update tid=20 -v -f


However, the initiators won't see the change unless we "rescan" the 
device, i.e.:

echo 1 > /sys/block/sdah/device/rescan


This is a boring thing to do when we have more initiators connected to 
that target.
Also, the initiators will likely have a different device used for that 
target (/sys/block/<DEVICE>/device/rescan), making the thing even more 
boring.


Is it possible to send a reset/rescan to all initiators connected to a 
given target, which would trigger the initiator to rescan the device 
(and its size)?


-- 
Tomasz Chmielewski
http://wpkg.org
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