[one-users] What remotes commands does one 4.6 use:

Steven Timm timm at fnal.gov
Wed Jul 30 06:50:08 PDT 2014


On Wed, 30 Jul 2014, Ruben S. Montero wrote:

> 
> Maybe you could try to execute the  monitor probes in the node, 
> 
> 1. ssh the node
> 2. Go to /var/tmp/one/im
> 3. Execute run_probes kvm-probes

When I do that, (using sh -x ) I get the following:

-bash-4.1$ sh -x ./run_probes kvm-probes
++ dirname ./run_probes
+ source ./../scripts_common.sh
++ export LANG=C
++ LANG=C
++ export 
PATH=/bin:/sbin:/usr/bin:/usr/krb5/bin:/usr/lib64/qt-3.3/bin:/usr/local/bin:/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/sbin
++ 
PATH=/bin:/sbin:/usr/bin:/usr/krb5/bin:/usr/lib64/qt-3.3/bin:/usr/local/bin:/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/sbin
++ AWK=awk
++ BASH=bash
++ CUT=cut
++ DATE=date
++ DD=dd
++ DF=df
++ DU=du
++ GREP=grep
++ ISCSIADM=iscsiadm
++ LVCREATE=lvcreate
++ LVREMOVE=lvremove
++ LVRENAME=lvrename
++ LVS=lvs
++ LN=ln
++ MD5SUM=md5sum
++ MKFS=mkfs
++ MKISOFS=genisoimage
++ MKSWAP=mkswap
++ QEMU_IMG=qemu-img
++ RADOS=rados
++ RBD=rbd
++ READLINK=readlink
++ RM=rm
++ SCP=scp
++ SED=sed
++ SSH=ssh
++ SUDO=sudo
++ SYNC=sync
++ TAR=tar
++ TGTADM=tgtadm
++ TGTADMIN=tgt-admin
++ TGTSETUPLUN=tgt-setup-lun-one
++ TR=tr
++ VGDISPLAY=vgdisplay
++ VMKFSTOOLS=vmkfstools
++ WGET=wget
+++ uname -s
++ '[' xLinux = xLinux ']'
++ SED='sed -r'
+++ basename ./run_probes
++ SCRIPT_NAME=run_probes
+ export LANG=C
+ LANG=C
+ HYPERVISOR_DIR=kvm-probes.d
+ ARGUMENTS=kvm-probes
++ dirname ./run_probes
+ SCRIPTS_DIR=.
+ cd .
++ '[' -d kvm-probes.d ']'
++ run_dir kvm-probes.d
++ cd kvm-probes.d
+++ ls architecture.sh collectd-client-shepherd.sh cpu.sh kvm.rb 
monitor_ds.sh name.sh poll.sh version.sh
++ for i in '`ls *`'
++ '[' -x architecture.sh ']'
++ ./architecture.sh kvm-probes
++ EXIT_CODE=0
++ '[' x0 '!=' x0 ']'
++ for i in '`ls *`'
++ '[' -x collectd-client-shepherd.sh ']'
++ ./collectd-client-shepherd.sh kvm-probes
++ EXIT_CODE=0
++ '[' x0 '!=' x0 ']'
++ for i in '`ls *`'
++ '[' -x cpu.sh ']'
++ ./cpu.sh kvm-probes
++ EXIT_CODE=0
++ '[' x0 '!=' x0 ']'
++ for i in '`ls *`'
++ '[' -x kvm.rb ']'
++ ./kvm.rb kvm-probes
++ EXIT_CODE=0
++ '[' x0 '!=' x0 ']'
++ for i in '`ls *`'
++ '[' -x monitor_ds.sh ']'
++ ./monitor_ds.sh kvm-probes
[sudo] password for oneadmin:

and it stays hung on the password for oneadmin.

What's going on?

Also, you mentioned a collectd--are you saying that OpenNebula 4.6 now 
needs to run a daemon on every single VM host?  Where is it documented
on how to set it up?

Steve






> 
> Make sure you do not have a host using the same hostname fgtest14 and running a  collectd process
> 
> On Jul 29, 2014 4:35 PM, "Steven Timm" <timm at fnal.gov> wrote:
>
>       I am still trying to debug a nasty monitoring inconsistency.
>
>       -bash-4.1$ onevm list | grep fgtest14
>           26 oneadmin oneadmin fgt6x4-26       runn    6      4G fgtest14   117d 19h50
>           27 oneadmin oneadmin fgt5x4-27       runn   10      4G fgtest14   117d 17h57
>           28 oneadmin oneadmin fgt1x1-28       runn   10    4.1G fgtest14   117d 16h59
>           30 oneadmin oneadmin fgt5x1-30       runn    0      4G fgtest14   116d 23h50
>           33 oneadmin oneadmin ip6sl5vda-33    runn    6      4G fgtest14   116d 19h57
>       -bash-4.1$ onehost list
>         ID NAME            CLUSTER   RVM      ALLOCATED_CPU      ALLOCATED_MEM STAT
>          3 fgtest11        ipv6        0       0 / 400 (0%)    0K / 15.7G (0%) on
>          4 fgtest12        ipv6        0       0 / 400 (0%)    0K / 15.7G (0%) on
>          7 fgtest13        ipv6        0       0 / 800 (0%)    0K / 23.6G (0%) on
>          8 fgtest14        ipv6        5       0 / 800 (0%)    0K / 23.6G (0%) on
>          9 fgtest20        ipv6        3    300 / 800 (37%)  12G / 31.4G (38%) on
>         11 fgtest19        ipv6        0       0 / 800 (0%)    0K / 31.5G (0%) on
>       -bash-4.1$ onehost show 8
>       HOST 8 INFORMATION
>       ID                    : 8
>       NAME                  : fgtest14
>       CLUSTER               : ipv6
>       STATE                 : MONITORED
>       IM_MAD                : kvm
>       VM_MAD                : kvm
>       VN_MAD                : dummy
>       LAST MONITORING TIME  : 07/29 09:25:45
>
>       HOST SHARES
>       TOTAL MEM             : 23.6G
>       USED MEM (REAL)       : 876.4M
>       USED MEM (ALLOCATED)  : 0K
>       TOTAL CPU             : 800
>       USED CPU (REAL)       : 0
>       USED CPU (ALLOCATED)  : 0
>       RUNNING VMS           : 5
>
>       LOCAL SYSTEM DATASTORE #102 CAPACITY
>       TOTAL:                : 548.8G
>       USED:                 : 175.3G
>       FREE:                 : 345.6G
>
>       MONITORING INFORMATION
>       ARCH="x86_64"
>       CPUSPEED="2992"
>       HOSTNAME="fgtest14.fnal.gov"
>       HYPERVISOR="kvm"
>       MODELNAME="Intel(R) Xeon(R) CPU           E5450  @ 3.00GHz"
>       NETRX="234844577"
>       NETTX="21553126"
>       RESERVED_CPU=""
>       RESERVED_MEM=""
>       VERSION="4.6.0"
>
>       VIRTUAL MACHINES
>
>           ID USER     GROUP    NAME            STAT UCPU    UMEM HOST TIME
>           26 oneadmin oneadmin fgt6x4-26       runn    6      4G fgtest14   117d 19h50
>           27 oneadmin oneadmin fgt5x4-27       runn   10      4G fgtest14   117d 17h57
>           28 oneadmin oneadmin fgt1x1-28       runn   10    4.1G fgtest14   117d 17h00
>           30 oneadmin oneadmin fgt5x1-30       runn    0      4G fgtest14   116d 23h50
>           33 oneadmin oneadmin ip6sl5vda-33    runn    6      4G fgtest14   116d 19h57
>       -----------------------------------------------------------------------------------
>
>       All of this looks great, right?
>       Just one problem:  There are no VM's running on fgtest14 and
>       haven't been for 4 days.
>
>       [root at fgtest14 ~]# virsh list
>        Id    Name                           State
>       ----------------------------------------------------
>
>       [root at fgtest14 ~]#
>
>       -------------------------------------------------------------------------
>       Yet the monitoring reports no errors.
>
>       Tue Jul 29 09:28:10 2014 [InM][D]: Host fgtest14 (8) successfully monitored.
>
>       -----------------------------------------------------------------------------
>       At the same time, there is no evidence that ONE is actually trying to or
>       succeeding to monitor these five vm's yet they are still stuck in "runn"
>       which means I can't do a onevm restart to restart them.
>       (the vm images of these 5 vm's are still out there on the VM host and
>       I would like to save and restart them if I can).
>
>       What is the remotes command that ONE4.6 would use to monitor this host?
>       Can I do it manually and see what output I get?
>
>       Are we dealing with some kind of a bug, or just a very confused system?
>       Any help is appreciated. I have to get this sorted out before
>       I dare deploy one4.x in production.
>
>       Steve Timm
> 
>
>       ------------------------------------------------------------------
>       Steven C. Timm, Ph.D  (630) 840-8525
>       timm at fnal.gov  http://home.fnal.gov/~timm/
>       Fermilab Scientific Computing Division, Scientific Computing Services Quad.
>       Grid and Cloud Services Dept., Associate Dept. Head for Cloud Computing
>       _______________________________________________
>       Users mailing list
>       Users at lists.opennebula.org
>       http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
> 
> 
>

------------------------------------------------------------------
Steven C. Timm, Ph.D  (630) 840-8525
timm at fnal.gov  http://home.fnal.gov/~timm/
Fermilab Scientific Computing Division, Scientific Computing Services Quad.
Grid and Cloud Services Dept., Associate Dept. Head for Cloud Computing


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