another question - did you set those 2 largish machines with QUICKDSP ON? If yes, why? In general I am not a huge fan of QUICKDSP, it bypasses some important scheduler decisions, somewhat defeating the concept of fair share scheduling. swplt01 and swplt05 David Kreuter
________________________________ From: Linux on 390 Port on behalf of Barton Robinson Sent: Wed 12/3/2008 4:33 PM To: LINUX-390@VM.MARIST.EDU Subject: Re: Contrainted System - What to do first and am I missing anything. STORBUF is the answer, the default is broken as designed. See first, "http://velocitysoftware.com/faq.html";, and then "http://velocitysoftware.com/present/CONFIG/"; for configuration guidelines, that will help you avoid other such unavoidable issues. Tyler Koyl wrote: > I am starting to get guests dropping off into E3. Here is what it looks like: > > Ready; T=0.01/0.01 14:34:23 > ind queues > MAINT Q1 R00 00000212/00000191 TCPIP Q0 PS 00000736/00000160 > VSWCTRL1 Q0 PS 00000086/00000025 SWPLT01 Q0 PS 00015174/00015100 > SWPLT02 Q0 PS 00007506/00007473 SWPLT13 Q3 PS 00031507/00037536 > SWPLT52 Q3 PS 00008694/00010560 SWPLT05 Q0 PS 00083254/00083131 > SWPLT07 Q3 PS 00178853/00202001 SWPLT53 Q3 PS 00048262/00084705 > SWPLT04 Q3 PS 00046603/00053150 SWPLT55 E3 PS 00253430/00330662 > Ready; T=0.01/0.01 14:34:48 > > q stor > STORAGE = 3G > Ready; T=0.01/0.01 14:34:55 > > q srm > IABIAS : INTENSITY=90%; DURATION=2 > LDUBUF : Q1=100% Q2=75% Q3=60% > STORBUF: Q1=125% Q2=105% Q3=95% > DSPBUF : Q1=32767 Q2=32767 Q3=32767 > DISPATCHING MINOR TIMESLICE = 5 MS > MAXWSS : LIMIT=9999% > ...... : PAGES=999999 > XSTORE : 0% > Ready; T=0.01/0.01 14:35:01 > > q xstore > XSTORE= 1024M online= 1024M > XSTORE= 1024M userid= SYSTEM usage= 99% retained= 0M pending= 0M > XSTORE MDC min=0M, max=1024M, usage=0% > XSTORE= 1024M userid= (none) max. attach= 1024M > Ready; T=0.01/0.01 14:35:19 > > Ready; T=0.01/0.01 14:41:19 > q alloc page > EXTENT EXTENT TOTAL PAGES HIGH % > VOLID RDEV START END PAGES IN USE PAGE USED > ------ ---- ---------- ---------- ------ ------ ------ ---- > VMTPG1 A724 0 3338 601020 239701 506877 39% > VMTPG2 A70F 0 3338 601020 235920 522720 39% > VMTPG3 A71F 0 3338 601020 245292 530640 40% > VMTPG4 A72F 0 3338 601020 235011 514799 39% > VMTPG5 A73F 0 3338 601020 236858 522710 39% > VMTPG6 A700 0 3338 601020 37478 39799 6% > VMTPG7 A710 0 3338 601020 37929 40396 6% > VMTPG8 A731 0 3338 601020 38418 40944 6% > ------ ------ ---- > SUMMARY 4695K 1276K 27% > USABLE 4695K 1276K 27% > > I added the paging volumes this morning to ensure we had enough in place. > > This is our VM Test LPAR and the sum of the virtual storage of the linux > guests > is 14G so things are tight. What should be done first? > > 1. Further reduce guest storage. We have done this already but there may be a > way to squeeze some more. > 2. What about messing with SRM STORBUF etc? > 3. Anything else besides ordering more storage? I am actually looking for > something non-disruptive. Taking down a 6 LPAR z9 to add more memory to a test > lpar does not go over well. We tend to tag this stuff on when production > changes > are made. > > Tyler Koyl > > > This e-mail and any attachment(s) are confidential and may be privileged. > If you are not the intended recipient please notify me immediately by return > e-mail, > delete this e-mail and do not copy, use or disclose it. > > ---------------------------------------------------------------------- > For LINUX-390 subscribe / signoff / archive access instructions, > send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or visit > http://www.marist.edu/htbin/wlvindex?LINUX-390 > > ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390
