On Mon, 25 Oct 2004 07:53:09 -0400, Levy, Alan <[EMAIL PROTECTED]> wrote:

> When I tested out the signal on some of these machines, it took about 2
> minutes to shut them down. I think that 6 minutes is more than enough to
> shut down linux machines but I am looking for further guidance on this.
> Does anyone have similar experiences ?

When the virtual machines are large and mostly paged out because they
have been pretty idle, it takes quite some page faults to bring them
in. If your z/VM DPA is overcommitted you'll find that the pages just
brought in for one of the servers are dropped to make room for the
others...  I recall that bringing down 100 servers that way certainly
took much longer than just bring down one of them...

PS You can set the signal such that the FORCE command works like a
SIGNAL SHUTDOWN.

--
Rob van der Heij                  rvdheij @ gmail.com

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