Re: How to tell how many linux running on z/VM?

2009-08-12 Thread Michael Harding
I use "q signals shutdown" and subtract the SFS servers and any second-level VM guests. -- Mike Harding z/VM System Support mhard...@us.ibm.com mike.b.hard...@kp.org mikehard...@mindless.com (925) 926-3179 (w) (925) 323-2070 (c) IM: VMBearDad (AIM), mbhcpcvt (Y!) Linux on 390 Port wrote on 08

How to tell how many linux running on z/VM?

2009-08-12 Thread And Get Involved
I was asked to find out how many linux guests are running on our z/VM? the cp commands:Q N is not very suitable for this question. What is the better way? This message is intended only for the addressee. It may contain privileged or confidential information. Any unauthorized disclosure is stri

Re: How is the Linux-Heartbeat?

2009-08-12 Thread Rob van der Heij
On Wed, Aug 12, 2009 at 6:06 PM, William D Carroll wrote: > This is good unless your application has an SLA of <3s recovery time or even > zero failover time. > They are out there and not meeting an SLA cost money not just in internal > chargeback's but in real $$$ to the business. > Also Root pr

Re: How is the Linux-Heartbeat?

2009-08-12 Thread William D Carroll
This is good unless your application has an SLA of <3s recovery time or even zero failover time. They are out there and not meeting an SLA cost money not just in internal chargeback's but in real $$$ to the business. Also Root prompt does not mean application availability. I would have asked mo

Re: How is the Linux-Heartbeat?

2009-08-12 Thread Rob van der Heij
On Wed, Aug 12, 2009 at 3:39 PM, Robert J Brenneman wrote: > Generally - you use Linux HA for stuff that does not include its own > HA support in the product. You could think of it as strapping HA > capability onto the outside of an existing product. Word of caution though, and reference to the l

Re: How is the Linux-Heartbeat?

2009-08-12 Thread Robert J Brenneman
Generally - you use Linux HA for stuff that does not include its own HA support in the product. You could think of it as strapping HA capability onto the outside of an existing product. WAS and DB2 on the other hand actually come with HA clustering support out of the box, so Linux HA doesn't reall