Management is concerned? Based on what..? I'm not very helpful with 'feelings', I'm the first to admit.... ;-)
If they are really ok with shutting down all their guests for the sake of a few bad behaved ones we could just spank... well.. Scott Rohling On Wed, May 27, 2015 at 9:46 AM, Will, Chris <cw...@bcbsm.com> wrote: > The main culprits are WMB (now called IIB) Execution Groups that are not > well behaved from a memory management perspective. I agree that all we > need is a recycle of these EGs but management is still concerned about > potential z/VM and zLinux memory problems if we don't IPL. > > Chris Will > > -----Original Message----- > From: Linux on 390 Port [mailto:LINUX-390@VM.MARIST.EDU] On Behalf Of > Gentry, Steve > Sent: Wednesday, May 27, 2015 10:40 AM > To: LINUX-390@VM.MARIST.EDU > Subject: Re: Are weekly z/VM IPLs necessary? > > While we do not currently run z/Linux, we rarely IPL z/VM. Even in a > previous work environment, we rarely would IPL z/VM. The IPL would usually > occur at the Spring and Fall time change. But with changes to z/VM, we > don't have to do that anymore. > Do you really need to cycle z/Linux or is it maybe just a couple of apps > that might need to be cycled? Granted, sometimes, it is just easier to > cycle the operating system. > Steve > > -----Original Message----- > From: Linux on 390 Port [mailto:LINUX-390@VM.MARIST.EDU] On Behalf Of > Will, Chris > Sent: Wednesday, May 27, 2015 10:34 AM > To: LINUX-390@VM.MARIST.EDU > Subject: Are weekly z/VM IPLs necessary? > > We have gotten in the habit of IPLing our z/VM and zLinux guests every > Sunday during our standalone window. With the window shrinking and the > need for 24/7 availability is it really necessary to IPL every week? If > not what potential problems could we run into by not doing the IPL (memory > leaks, logs filling etc.). This is in comparison to the Intel side of the > shop (Red Hat, Windows) where they go months between IPLs. The only > benefit I see is the opportunity to recycle WMB execution groups. > > Chris Will > > > > The information contained in this communication is highly confidential and > is intended solely for the use of the individual(s) to whom this > communication is directed. If you are not the intended recipient, you are > hereby notified that any viewing, copying, disclosure or distribution of > this information is prohibited. Please notify the sender, by electronic > mail or telephone, of any unintended receipt and delete the original > message without making any copies. > > Blue Cross Blue Shield of Michigan and Blue Care Network of Michigan are > nonprofit corporations and independent licensees of the Blue Cross and Blue > Shield Association. > > ---------------------------------------------------------------------- > For LINUX-390 subscribe / signoff / archive access instructions, send > email to lists...@vm.marist.edu with the message: INFO LINUX-390 or visit > http://www.marist.edu/htbin/wlvindex?LINUX-390 > ---------------------------------------------------------------------- > For more information on Linux on System z, visit http://wiki.linuxvm.org/ > > ---------------------------------------------------------------------- > For LINUX-390 subscribe / signoff / archive access instructions, send > email to lists...@vm.marist.edu with the message: INFO LINUX-390 or visit > http://www.marist.edu/htbin/wlvindex?LINUX-390 > ---------------------------------------------------------------------- > For more information on Linux on System z, visit http://wiki.linuxvm.org/ > > > The information contained in this communication is highly confidential and > is intended solely for the use of the individual(s) to whom this > communication is directed. If you are not the intended recipient, you are > hereby notified that any viewing, copying, disclosure or distribution of > this information is prohibited. Please notify the sender, by electronic > mail or telephone, of any unintended receipt and delete the original > message without making any copies. > > Blue Cross Blue Shield of Michigan and Blue Care Network of Michigan are > nonprofit corporations and independent licensees of the Blue Cross and Blue > Shield Association. > > ---------------------------------------------------------------------- > For LINUX-390 subscribe / signoff / archive access instructions, > send email to lists...@vm.marist.edu with the message: INFO LINUX-390 or > visit > http://www.marist.edu/htbin/wlvindex?LINUX-390 > ---------------------------------------------------------------------- > For more information on Linux on System z, visit > http://wiki.linuxvm.org/ > ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to lists...@vm.marist.edu with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 ---------------------------------------------------------------------- For more information on Linux on System z, visit http://wiki.linuxvm.org/
