How to cancel a installing process

Hi,

how about this.

you can instantly cansel it at your own risk.

*idea

[root@test:Active:In Sync] config  tmsh show sys so

-------------------------------------------------
Sys::Software Status
Volume  Product  Version  Build  Active    Status
-------------------------------------------------
HD1.1    BIG-IP   11.4.1  608.0      no  complete
HD1.3    BIG-IP   11.5.8  0.0.9     yes  complete

[root@test:Active:In Sync] config  tmsh
root@(test)(cfg-sync In Sync)(Active)(/Common)(tmos) install sys software image BIGIP-11.5.7-0.0.1.iso create-volume volume HD1.2
root@(test)(cfg-sync In Sync)(Active)(/Common)(tmos) quit
[root@test:Active:In Sync] config  tmsh show sys so

-------------------------------------------------------------
Sys::Software Status
Volume  Product  Version  Build  Active                Status
-------------------------------------------------------------
HD1.1    BIG-IP   11.4.1  608.0      no              complete
HD1.2    BIG-IP   11.5.7  0.0.1      no  installing 6.000 pct
HD1.3    BIG-IP   11.5.8  0.0.9     yes              complete

[root@test:Active:In Sync] config  killall image2disk
[root@test:Active:In Sync] config  killall image2disk
image2disk: no process killed
[root@test:Active:In Sync] config  tmsh show sys so

----------------------------------------------------------------
Sys::Software Status
Volume  Product  Version  Build  Active                   Status
----------------------------------------------------------------
HD1.1    BIG-IP   11.4.1  608.0      no                 complete
HD1.2    BIG-IP   11.5.7  0.0.1      no  failed (reason unknown)
HD1.3    BIG-IP   11.5.8  0.0.9     yes                 complete

[root@test:Active:In Sync] config  tmsh delete sys software volume HD1.2
[root@test:Active:In Sync] config  tmsh show sys so

-----------------------------------------------------------
Sys::Software Status
Volume  Product  Version  Build  Active              Status
-----------------------------------------------------------
HD1.1    BIG-IP   11.4.1  608.0      no            complete
HD1.2    BIG-IP   11.5.7  0.0.1      no  deleting volumeset
HD1.3    BIG-IP   11.5.8  0.0.9     yes            complete

[root@test:Active:In Sync] config  tmsh show sys so

-------------------------------------------------
Sys::Software Status
Volume  Product  Version  Build  Active    Status
-------------------------------------------------
HD1.1    BIG-IP   11.4.1  608.0      no  complete
HD1.3    BIG-IP   11.5.8  0.0.9     yes  complete

[root@test:Active:In Sync] config