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02-22-2007 05:33 PM
02-22-2007 05:33 PM
Reg cluster package failover
i have to go live for producn on sun night..
cmviewcl is as shown below :
CLUSTER STATUS
dev up
NODE STATUS STATE
ge1 up running
PACKAGE STATUS STATE AUTO_RUN NODE
x up running enabled ge1
y up running enabled ge1
NODE STATUS STATE
ge2 up running
PACKAGE STATUS STATE AUTO_RUN NODE
z up running disabled ge2
i was testing my cluster for which i removed both of my network cables after which a toc happened as a result of which both of my packages x and y halted ,but x package gave an error saying two vg busy i.e. Device busy
and as a result disabled global switching at node ge2.
And for other package y in node ge2 i got
Volume group "/dev/vg_mcgb_prod_fone" does not exist in the "/etc/lvmtab" file.
ERROR: Function activate_volume_group
ERROR: Failed to activate vg_mcgb_prod_fone
Same for other volume group.
What should i do now???
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02-22-2007 06:02 PM
02-22-2007 06:02 PM
Re: Reg cluster package failover
What the uotput of cmviewcl -v ?.
Please post it here.
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02-22-2007 06:05 PM
02-22-2007 06:05 PM
Re: Reg cluster package failover
CLUSTER STATUS
cedgedev up
NODE STATUS STATE
cedge1 up running
Cluster_Lock_LVM:
VOLUME_GROUP PHYSICAL_VOLUME STATUS
/dev/vg_cluster_lock /dev/dsk/c7t0d1 up
Network_Parameters:
INTERFACE STATUS PATH NAME
PRIMARY up 0/1/2/0 lan0
PRIMARY up 0/5/1/0 lan2
STANDBY up 0/1/2/1 lan1
PACKAGE STATUS STATE AUTO_RUN NODE
mcgb_bancs up running enabled cedge1
Policy_Parameters:
POLICY_NAME CONFIGURED_VALUE
Failover configured_node
Failback manual
Script_Parameters:
ITEM STATUS MAX_RESTARTS RESTARTS NAME
Subnet up 10.1.1.0
Node_Switching_Parameters:
NODE_TYPE STATUS SWITCHING NAME
Primary up enabled cedge1 (current)
Alternate up enabled cedge2
PACKAGE STATUS STATE AUTO_RUN NODE
mcgb_bancs_live up running enabled cedge1
Policy_Parameters:
POLICY_NAME CONFIGURED_VALUE
Failover configured_node
Failback manual
Script_Parameters:
ITEM STATUS MAX_RESTARTS RESTARTS NAME
Subnet up 10.1.1.0
Node_Switching_Parameters:
NODE_TYPE STATUS SWITCHING NAME
Primary up enabled cedge1 (current)
Alternate up enabled cedge2
NODE STATUS STATE
cedge2 up running
Cluster_Lock_LVM:
VOLUME_GROUP PHYSICAL_VOLUME STATUS
/dev/vg_cluster_lock /dev/dsk/c7t0d1 up
Network_Parameters:
INTERFACE STATUS PATH NAME
PRIMARY up 0/1/2/0 lan0
PRIMARY up 0/5/1/0 lan2
STANDBY up 0/1/2/1 lan1
PACKAGE STATUS STATE AUTO_RUN NODE
mcgb_fone up running disabled cedge2
Policy_Parameters:
POLICY_NAME CONFIGURED_VALUE
Failover configured_node
Failback manual
Script_Parameters:
ITEM STATUS MAX_RESTARTS RESTARTS NAME
Subnet up 10.1.1.0
Node_Switching_Parameters:
NODE_TYPE STATUS SWITCHING NAME
Primary up enabled cedge2 (current)
Alternate up enabled cedge1
UNOWNED_PACKAGES
PACKAGE STATUS STATE AUTO_RUN NODE
mcgb_bancs_ref down halted disabled unowned
Policy_Parameters:
POLICY_NAME CONFIGURED_VALUE
Failover configured_node
Failback manual
Script_Parameters:
ITEM STATUS NODE_NAME NAME
Subnet up cedge2 10.1.1.0
Subnet up cedge1 10.1.1.0
Node_Switching_Parameters:
NODE_TYPE STATUS SWITCHING NAME
Primary up enabled cedge2
Alternate up enabled cedge1
PACKAGE STATUS STATE AUTO_RUN NODE
mcgb_exim down halted disabled unowned
Policy_Parameters:
POLICY_NAME CONFIGURED_VALUE
Failover configured_node
Failback manual
Script_Parameters:
ITEM STATUS NODE_NAME NAME
Subnet up cedge1 10.1.1.0
Subnet up cedge2 10.1.1.0
Node_Switching_Parameters:
NODE_TYPE STATUS SWITCHING NAME
Primary up enabled cedge1
Alternate up enabled cedge2
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02-22-2007 06:15 PM
02-22-2007 06:15 PM
Re: Reg cluster package failover
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02-22-2007 06:16 PM
02-22-2007 06:16 PM
Re: Reg cluster package failover
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02-22-2007 06:54 PM
02-22-2007 06:54 PM
Re: Reg cluster package failover
It is possible that when a ServiceGuard package unmounts filesystems in umount_fs, not all filesystems are unmounted and the volume group deactivation fails
with device busy.
i think my problem is exactly similar like the above statement.
so now what should i do to ensure that the cluster unmounts all the file systems even if they r busy?????
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02-22-2007 07:02 PM
02-22-2007 07:02 PM
Re: Reg cluster package failover
On cedge1, not all the filesystems on the shared volume groups are being umounted. Check what's not getting umounted. Check for currently mounted filesystems on cedge1 and make sure they're in the package control script and in order that allows them to umounted.
Rather than force a panic, start off making sure cmhaltpkg/cmrunpkg execute cleanly and don't leave anything mounted.
On cedge2, there's a volume group, vg_mcgb_prod_fone, missing. You'll need to "vgexport -s -v -m vg_mcgb_prod_fone.map vg_mcgb_prod_fone" on cedge1, copy the .map file to cedge2, and import it on cedge2.
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02-22-2007 07:12 PM
02-22-2007 07:12 PM
Re: Reg cluster package failover
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02-22-2007 08:25 PM
02-22-2007 08:25 PM
Re: Reg cluster package failover
yaa i too have found out the cause for my second package mcgb_bancs_live the vgimport issue...i am going to doit afetr 06:00 pm ist today..after halting the cluster....B'coz i will have to deactivate the vg_mcgb_prod_fone VG and then export the map file to second node....
what abt the 2 vg's who were not forcibly unmounted during package halting..what should i do for that????
control script attached herewith...
Let me know asap
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02-22-2007 08:28 PM
02-22-2007 08:28 PM
Re: Reg cluster package failover
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02-22-2007 08:41 PM
02-22-2007 08:41 PM
Re: Reg cluster package failover
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02-22-2007 08:53 PM
02-22-2007 08:53 PM
Re: Reg cluster package failover
then i will just incerase the FS_UMOUNT TO 2 .I Want to check whether my packages will get shifted to node cedge 2 automatically if node cedge1 goes down...
What is the need of starting and stopping the package after deactivating the vg.
Will changes take affect after doing this.
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02-22-2007 09:13 PM
02-22-2007 09:13 PM
Re: Reg cluster package failover
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02-22-2007 09:45 PM
02-22-2007 09:45 PM
Re: Reg cluster package failover
my cluster is running fine in primary node....for the past 1 yr with no issues.
i just wanted it to test it for my knowledge whether my packages will shift to node 2 or not.
so i went for pulling the lan cables
(not heartbeat) and then checking the package running on adoptive node.
For which i got the error device busy not able to umount the 2 filesystems for my main producn package mcgb_bancs.
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02-22-2007 09:59 PM
02-22-2007 09:59 PM
Re: Reg cluster package failover
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02-24-2007 07:38 PM
02-24-2007 07:38 PM
Re: Reg cluster package failover
when i again carried out the stress test i.e. removed both lan cables from my primary node I found that in adoptive node[cedge 2] the main package log file had an error of fsck aborting for two raw logical volumes for which i recently did vgimport from 1st node cedge1.
Will my reboot of adoptive node solve this issue.bcoz im not able to fsck manually also..as a result of which im not able 2 mount those 2 vg's.
What should i do???