Do the Linux images have a CP directory option that has to do with the
dispatching, such as QUICKDSP?
Kris
On Fri, Sep 20, 2002 at 10:36:50AM -0400, Sivey,Lonny wrote:
> We are currently running about 120 Linux instances on our 1 IFL G5 with 1.5G
> storage.
>
> After I added about the 100th Linux, VM began refusing to dispatch some of
> them for extremely long periods of time (hours). If I re-IPL VM and start
> all 120 Linux systems up again it runs fine for a couple days, then the
> problem starts occurring again. I Think a VM resource is being over
> committed or something, so VM just decides it doesn't have the resource to
> run some of them anymore so it puts them on the eligible list, but, never
> dispatches them again or at least not until a resource becomes available
> again which could be hours later.
>
> INDICATE Shows:
>
> AVGPROC-034% 01
> MDC READS-000001/SEC WRITES-000000/SEC HIT RATIO-095%
> STORAGE-096% PAGING-0002/SEC STEAL-000%
> Q0-00002(00001) DORMANT-00012
> Q1-00000(00000) E1-00000(00000)
> Q2-00000(00000) EXPAN-001 E2-00000(00000)
> Q3-00115(00000) EXPAN-002 E3-00008(00006)
>
> PROC 0000-034%
>
> LIMITED-00000
>
> Here's what RTM shows:
>
> <USERID> %CPU %CP %EM ISEC PAG WSS RES UR PGES SHARE VMSIZE TYP,CHR,STAT
>
> VMSERVU IDLE .00 .00 .00 .00 1178 2 .0 1178 1500 32M VUC,QDS,IDLE
> VMSERVS IDLE .00 .00 .00 .00 1169 2 .0 1169 1500 32M VUC,QDS,IDLE
> OPERSYMP IDLE .00 .00 .00 .00 1193 0 .0 1193 100 32M VUX,DSC,IDLE
> EREP IDLE .00 .00 .00 .00 67 0 .0 1164 100 32M VUX,IAB,IDLE
> FTPSERVE IDLE .00 .00 .00 .00 19 21 .0 1589 100 16M VUC,IAB,IDLE
> CDM0007 IDLE .00 .00 .00 .00 3934 3335 .0 5373 100 32M VUS,DSC,ELIG
> CDM0091 IDLE .00 .00 .00 .00 4455 3764 .0 5163 100 32M VUS,DSC,ELIG
> CDM0092 IDLE .00 .00 .00 .00 7064 31 .0 7642 100 32M VUS,DSC,ELIG
> CDM0099 IDLE .00 .00 .00 .00 7854 28 .0 7630 100 32M VUS,DSC,ELIG
> CDM0104 IDLE .00 .00 .00 .00 7710 32 .0 7671 100 32M VUS,DSC,ELIG
> CDM0105 IDLE .00 .00 .00 .00 7958 3725 .0 7634 100 32M VUS,DSC,ELIG
> CDM0086 IDLE .00 .00 .00 .00 7880 26 .0 7464 100 32M VUS,DSC,ELIG
> IBML01 IDLE .00 .00 .00 .00 16K 16K .0 1 200 64M VUS,DSC,ELIG
>
>
> All of the users with a status of ELIG in the list are Linux systems. There
> seems to be plenty of CPU available and paging is light. Anyone got an idea
> what might be causing VM to not dispatch these users?
> _____________________________________
> Lonny Sivey
> System Support Division
> OCLC Online Computer Library Center, Inc.
> 6565 Frantz Rd, Dublin, OH 43017
> (614) 764-6013 FAX (614) 718-7200
> mailto:[EMAIL PROTECTED]
> _____________________________________
--
Never underestimate a Mage with:
- the Intelligence to cast Magic Missile,
- the Constitution to survive the first hit, and
- the Dexterity to run fast enough to avoid being hit a second time.
