VCS ON RHEL6–CONFIGURE & OPERATION-P6 (SERVICE GROUP)

VCS ON RHEL6–CONFIGURE & OPERATION-P6

SERVICE GROUP:

·         How to list the available SG's…?

·         What is the name of SG / how many SG’s ?

·         How to check the contained resources of a SG…?

·         How to switch a SG…?

·         How to online/offline a SG…?

·         How to freeze/unfreeze a SG…?

·         How to enable/disable a SG…?

·         How to flush a SG…?

·         How to display the attributes/parameters of a SG…?

·         How to show the state of a SG…?

·         How to list dependency of a SG…?

·         How to enable/disable all resources in one go of a SG…?

·         How to check the attribute value of a SG…?

·         How to clear a faulted non-persistent resource of a SG…?

How to list the available SG's…?

What is the name of SG / how many SG’s…?

[root@pr01 ~]# hagrp -list

NFS_APP1                dr01

NFS_APP1                pr01

Web-App                 dr01

Web-App                 pr01

How to check the contained resources of a SG…?

[root@pr01 ~]# hagrp -resources NFS_APP1

NFS_DG1

NFS_IP1

NFS_MOUNT1

NFS_SERVICE1

NFS_RESTART1

NFS_NIC1

NFS_SHARE1

NFS_VOLUME1

How to check the resource status of a SG…?

[root@dr01 ~]# hares -display -attribute State -group Web-App -sys dr01

#Resource    Attribute             System     Value

DG_Res       State                 dr01       ONLINE

Mount_Res    State                 dr01       OFFLINE

Nic_Res      State                 dr01       ONLINE

Service_IP   State                 dr01       OFFLINE

Volume_Res   State                 dr01       ONLINE

Web_Res      State                 dr01       OFFLINE

How to show the state of a SG…?

[root@pr01 ~]# hagrp -state

#Group       Attribute             System     Value

NFS_APP1     State                 dr01       |ONLINE|

NFS_APP1     State                 pr01       |OFFLINE|

Web-App      State                 dr01       |PARTIAL|STOPPING|

Web-App      State                 pr01       |PARTIAL|

How to switch a SG…?

[root@pr01 ~]# hagrp -switch NFS_APP1 -to dr01

How to online/offline a SG…?

OFFLINE,

[root@pr01 ~]# hagrp -offline Web-App -sys pr01

[root@pr01 ~]# hagrp -state

#Group       Attribute             System     Value

NFS_APP1     State                 dr01       |ONLINE|

NFS_APP1     State                 pr01       |OFFLINE|

Web-App      State                 dr01       |PARTIAL|STOPPING|

Web-App      State                 pr01       |OFFLINE|

[root@pr01 ~]# hagrp -offline -force Web-App -sys dr01

[root@pr01 ~]# hagrp -state

#Group       Attribute             System     Value

NFS_APP1     State                 dr01       |ONLINE|

NFS_APP1     State                 pr01       |OFFLINE|

Web-App      State                 dr01       |PARTIAL|STOPPING|

Web-App      State                 pr01       |OFFLINE|

There is some issue with SG “Web-App” on dr01.

Need to check,

1^st identify which resource(s) having problem,

[root@pr01 ~]# hares -display -attribute State -group Web-App -sys dr01

#Resource    Attribute             System     Value

DG_Res       State                 dr01       ONLINE

Mount_Res    State                 dr01       OFFLINE

Nic_Res      State                 dr01       ONLINE

Service_IP   State                 dr01       OFFLINE

Volume_Res   State                 dr01       ONLINE

Web_Res      State                 dr01       OFFLINE

2^nd check the logs to identify the reason,

[root@pr01 ~]# tail -40 /var/VRTSvcs/log/engine_A.log

There was no clear indication in logs regarding this issue.

What I did is…

[root@dr01 ~]# hares -flushinfo Volume_Res -sys dr01

VCS WARNING V-16-1-10573 Scope (global/local) is wrong

[root@dr01 ~]# hares -flushinfo Volume_Res –localclus

[root@dr01 ~]# hares -offline Volume_Res -sys dr01

[root@dr01 ~]# hastop -sys dr01

[root@dr01 ~]# hastop -all –force

[root@dr01 ~]# hastart

[root@dr01 ~]# hares -display -attribute State -group Web-App -sys dr01

#Resource    Attribute             System     Value

DG_Res       State                 dr01       ONLINE

Mount_Res    State                 dr01       OFFLINE

Nic_Res      State                 dr01       ONLINE

Service_IP   State                 dr01       OFFLINE

Volume_Res   State                 dr01       ONLINE

Web_Res      State                 dr01       OFFLINE

[root@dr01 ~]# hagrp -offline -force Web-App -sys dr01

Nothing happened, situation remains same.

[root@dr01 DiskGroup]# vxtask list

TASKID  PTID TYPE/STATE    PCT   PROGRESS

[root@dr01 DiskGroup]# hastop -all -force

[root@dr01 DiskGroup]# vxdg list

NAME         STATE           ID

app_dg       enabled              1489184379.30.pr01

[root@dr01 DiskGroup]# vxdg deport app_dg  çç at dr01

[root@pr01 ~]# vxdg import app_dg çç at pr01

[root@dr01 DiskGroup]# hastart

[root@pr01 ~]# hastart

Now it is OK,

[root@pr01 ~]# hagrp -state

#Group       Attribute             System     Value

NFS_APP1     State                 dr01       |OFFLINE|

NFS_APP1     State                 pr01       |ONLINE|

Web-App      State                 dr01       |OFFLINE|

Web-App      State                 pr01       |ONLINE|

ONLINE,

[root@pr01 ~]# hagrp -online Web-App -sys pr01

How to enable/disable all resources in one go of a SG…?

[root@pr01 ~]# hagrp -disableresources Web-App

VCS WARNING V-16-1-11335 Configuration must be ReadWrite : Use haconf -makerw

[root@pr01 ~]# haconf –makerw

[root@pr01 ~]# hagrp -disableresources Web-App

VCS WARNING V-16-1-50040 All the resources in group are not completely offline

[root@pr01 ~]# hagrp -enableresources Web-App

How to freeze/unfreeze a SG…?

[root@pr01 ~]# hagrp -freeze Web-App -persistent

[root@pr01 ~]# hagrp -unfreeze Web-App -persistent

How to enable/disable a SG…?

[root@pr01 ~]# hagrp -disable Web-App -sys pr01

[root@pr01 ~]# hagrp -enable Web-App -sys pr01

How to flush a SG…?

[root@pr01 ~]# hagrp -flush Web-App -sys dr01

How to display the attributes/parameters of a SG…?

[root@pr01 ~]# hagrp -display Web-App

#Group       Attribute             System     Value

Web-App      AdministratorGroups   global

Web-App      Administrators        global

Web-App      Authority             global     0

Web-App      AutoFailOver          global     1

Web-App      AutoRestart           global     1

Web-App      AutoStart             global     1

Web-App      AutoStartIfPartial    global     1

Web-App      AutoStartList         global     pr01

=============================O/P REMOVED============================

[root@pr01 ~]# hagrp -display Web-App -attribute AutoFailOver AutoRestart -localclus

#Group       Attribute             System     Value

Web-App      AutoFailOver          global     1

Web-App      AutoRestart           global     1

How to list dependency of a SG…?

[root@pr01 ~]# hagrp -dep NFS_APP1

VCS WARNING V-16-1-50035 No Group dependencies are configured

[root@pr01 ~]# hagrp -dep Web-App

VCS WARNING V-16-1-50035 No Group dependencies are configured

How to check the attribute value of a SG…?

[root@pr01 ~]# hagrp -value Web-App AutoStart -localclus

1

[root@pr01 ~]# hagrp -value Web-App Frozen -localclus

0

How to clear a faulted non-persistent resource of a SG…?

[root@pr01 ~]# hagrp -clear Web-App -localclus

VCS NOTICE V-16-1-10145 There are no non-persistent resources in the group that are faulted on the specified systems

Reference & Good Read:

https://sort.veritas.com/public/documents/sf/5.0/aix/manpages/vcs/hagrp_1m.html

http://www.datadisk.co.uk/html_docs/veritas/veritas_cluster_cs.htm