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https://issues.apache.org/jira/browse/CLOUDSTACK-2181?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13781773#comment-13781773
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prashant kumar mishra commented on CLOUDSTACK-2181:
---------------------------------------------------
for now we don't support scaling up on kvm, and for xen and vmware you can
follow the 4.2 admin guide
> Scale down is allowed when one resource(say cpu) is being scale up and
> other resource (say ram)is being scale down ;but not allowed when both
> resources are being scaledown
> ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: CLOUDSTACK-2181
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-2181
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Components: Management Server, XenServer
> Affects Versions: 4.2.0
> Reporter: prashant kumar mishra
> Assignee: Harikrishna Patnala
> Priority: Minor
> Fix For: 4.2.0
>
> Attachments: apilog.log, catalina.out, management-server.log,
> scaleup.png
>
>
> Scale down is not allowed as per FS and condition is valid when you try to
> scale down both resources (cpu and RAM); but not valid when you try to scale
> up one resource and scale down other resource
> Steps to repo
> ------------------
> 1-Deploy a vm with small instance SO
> 2-create three service offering say a1, a2 ,a3 (a1{cpu=1
> GHz,ram=256};a2{cpu=500MGz,ram=512};a3{cpu=300 MGz,ram=256})
> 3-try to scaledown to service offering a3 (it will fail with message "Only
> scaling up the vm is supported, new service offering should have both cpu and
> memory greater than the old values")
> 4-Try to scaleup to SO a1(successful)
> 5-Try to scaleup to SO a2 from a1(successful)
> Expected
> --------------
> AS per FS scale down should not be allowed in any case
> Snippet of Log
> -----------------------
> -----------------------
> 1-VM details
> ------------------
> 2013-04-25 08:50:27,150 DEBUG [agent.transport.Request]
> (Job-Executor-7:job-171) Seq 5-1339424813: Sending { Cmd , MgmtId:
> 7635042566263, via: 5, Ver: v1, Flags: 100111,
> [{"StartCommand":{"vm":{"id":29,"name":"i-2-29-VM","bootloader":"PyGrub","type":"User","cpus":1,"minSpeed":500,"maxSpeed":500,"minRam":536870912,"maxRam":536870912,"arch":"x86_64","os":"CentOS
> 5.3
> (64-bit)","bootArgs":"","rebootOnCrash":false,"enableHA":false,"limitCpuUse":false,"vncPassword":"f406158baa072feb","params":{},"uuid":"3355e0f2-d9c7-4fc1-adad-d6337adea271","disks":[{"id":39,"name":"ROOT-29","mountPoint":"/export/home/prashant/asfprime","path":"d1e10716-38ec-4d02-b785-6d3c9e381779","size":21474836480,"type":"ROOT","storagePoolType":"NetworkFilesystem","storagePoolUuid":"59f08402-b4ed-3a26-9d59-eb04cc22886b","deviceId":0},{"id":29,"name":"CentOS
> 5.6(64-bit) no GUI
> (XenServer)","size":0,"type":"ISO","storagePoolType":"ISO","deviceId":3}],"nics":[{"deviceId":0,"networkRateMbps":200,"defaultNic":true,"uuid":"e86fb52c-4e3e-4963-99c9-197038404f25","ip":"10.1.1.61","netmask":"255.255.255.0","gateway":"10.1.1.1","mac":"02:00:73:4c:00:18","dns1":"10.103.128.16","broadcastType":"Vlan","type":"Guest","broadcastUri":"vlan://1101","isolationUri":"vlan://1101","isSecurityGroupEnabled":false}]},"hostIp":"10.147.40.8","wait":0}}]
> }
> 2013-04-25 08:50:27,153 DEBUG [agent.transport.Request]
> (Job-Executor-7:job-171) Seq 5-1339424813: Executing: { Cmd , MgmtId:
> 7635042566263, via: 5, Ver: v1, Flags: 100111,
> [{"StartCommand":{"vm":{"id":29,"name":"i-2-29-VM","bootloader":"PyGrub","type":"User","cpus":1,"minSpeed":500,"maxSpeed":500,"minRam":536870912,"maxRam":536870912,"arch":"x86_64","os":"CentOS
> 5.3
> (64-bit)","bootArgs":"","rebootOnCrash":false,"enableHA":false,"limitCpuUse":false,"vncPassword":"f406158baa072feb","params":{},"uuid":"3355e0f2-d9c7-4fc1-adad-d6337adea271","disks":[{"id":39,"name":"ROOT-29","mountPoint":"/export/home/prashant/asfprime","path":"d1e10716-38ec-4d02-b785-6d3c9e381779","size":21474836480,"type":"ROOT","storagePoolType":"NetworkFilesystem","storagePoolUuid":"59f08402-b4ed-3a26-9d59-eb04cc22886b","deviceId":0},{"id":29,"name":"CentOS
> 5.6(64-bit) no GUI
> (XenServer)","size":0,"type":"ISO","storagePoolType":"ISO","deviceId":3}],"nics":[{"deviceId":0,"networkRateMbps":200,"defaultNic":true,"uuid":"e86fb52c-4e3e-4963-99c9-197038404f25","ip":"10.1.1.61","netmask":"255.255.255.0","gateway":"10.1.1.1","mac":"02:00:73:4c:00:18","dns1":"10.103.128.16","broadcastType":"Vlan","type":"Guest","broadcastUri":"vlan://1101","isolationUri":"vlan://1101","isSecurityGroupEnabled":false}]},"hostIp":"10.147.40.8","wait":0}}]
> }
> 2013-04-25 08:50:27,154 DEBUG [agent.manager.DirectAgentAttache]
> (DirectAgent-29:null) Seq 5-1339424813: Executing request
> 2013-04-25 08:50:27,236 DEBUG [xen.resource.CitrixResourceBase]
> (DirectAgent-29:null) 1. The VM i-2-29-VM is in Starting state
> 2-Scale down(cpu and ram) to a3
> ------------------------------
> 2013-04-25 08:53:37,706 INFO [cloud.api.ApiServer] (catalina-exec-3:null)
> Only scaling up the vm is supported, new service offering should have both
> cpu and memory gre
> 3-Scale up cpu and scale down ram->SO a1
> -----------------------------------------
> 2013-04-25 08:55:33,229 DEBUG [agent.transport.Request]
> (catalina-exec-24:null) Seq 5-1339424827: Sending { Cmd , MgmtId:
> 7635042566263, via: 5, Ver: v1, Flags: 100111,
> [{"ScaleVmCommand":{"vm":{"id":1,"name":"i-2-29-VM","cpus":1,"speed":1000,"minRam":256,"maxRam":256,"rebootOnCrash":false,"enableHA":false,"limitCpuUse":false},"vmName":"i-2-29-VM","cpus":1,"speed":1000,"minRam":256,"maxRam":256,"wait":0}}]
> }
> 2013-04-25 08:55:33,230 DEBUG [agent.transport.Request]
> (catalina-exec-24:null) Seq 5-1339424827: Executing: { Cmd , MgmtId:
> 7635042566263, via: 5, Ver: v1, Flags: 100111,
> [{"ScaleVmCommand":{"vm":{"id":1,"name":"i-2-29-VM","cpus":1,"speed":1000,"minRam":256,"maxRam":256,"rebootOnCrash":false,"enableHA":false,"limitCpuUse":false},"vmName":"i-2-29-VM","cpus":1,"speed":1000,"minRam":256,"maxRam":256,"wait":0}}]
> }
> 2013-04-25 08:55:33,231 DEBUG [agent.manager.DirectAgentAttache]
> (DirectAgent-13:null) Seq 5-1339424827: Executing request
> 2013-04-25 08:55:37,735 DEBUG [xen.resource.CitrixResourceBase]
> (DirectAgent-13:null) scaling VM i-2-29-VM is successful on host
> com.xensource.xenapi.Host@d9987304
> 2013-04-25 08:55:37,735 DEBUG [agent.manager.DirectAgentAttache]
> (DirectAgent-13:null) Seq 5-1339424827: Response Received:
> 2013-04-25 08:55:37,736 DEBUG [agent.transport.Request] (DirectAgent-13:null)
> Seq 5-1339424827: Processing: { Ans: , MgmtId: 7635042566263, via: 5, Ver:
> v1, Flags: 110, [{"ScaleVmAnswer":{"result":true,"details":"scaling VM
> i-2-29-VM is successful on host
> com.xensource.xenapi.Host@d9987304","wait":0}}] }
> 3-Scale up ram and down cpu->SO a2
> 2013-04-25 08:55:48,187 DEBUG [agent.transport.Request]
> (catalina-exec-2:null) Seq 5-1339424828: Sending { Cmd , MgmtId:
> 7635042566263, via: 5, Ver: v1, Flags: 100111,
> [{"ScaleVmCommand":{"vm":{"id":1,"name":"i-2-29-VM","cpus":1,"speed":500,"minRam":1024,"maxRam":1024,"rebootOnCrash":false,"enableHA":false,"limitCpuUse":false},"vmName":"i-2-29-VM","cpus":1,"speed":500,"minRam":1024,"maxRam":1024,"wait":0}}]
> }
> 2013-04-25 08:55:48,188 DEBUG [agent.transport.Request]
> (catalina-exec-2:null) Seq 5-1339424828: Executing: { Cmd , MgmtId:
> 7635042566263, via: 5, Ver: v1, Flags: 100111,
> [{"ScaleVmCommand":{"vm":{"id":1,"name":"i-2-29-VM","cpus":1,"speed":500,"minRam":1024,"maxRam":1024,"rebootOnCrash":false,"enableHA":false,"limitCpuUse":false},"vmName":"i-2-29-VM","cpus":1,"speed":500,"minRam":1024,"maxRam":1024,"wait":0}}]
> }
> 2013-04-25 08:55:48,189 DEBUG [agent.manager.DirectAgentAttache]
> (DirectAgent-43:null) Seq 5-1339424828: Executing request
> 2013-04-25 08:55:49,664 DEBUG [xen.resource.CitrixResourceBase]
> (DirectAgent-43:null) scaling VM i-2-29-VM is successful on host
> com.xensource.xenapi.Host@d9987304
> 2013-04-25 08:55:49,665 DEBUG [agent.manager.DirectAgentAttache]
> (DirectAgent-43:null) Seq 5-1339424828: Response Received:
> 2013-04-25 08:55:49,666 DEBUG [agent.transport.Request] (DirectAgent-43:null)
> Seq 5-1339424828: Processing: { Ans: , MgmtId: 7635042566263, via: 5, Ver:
> v1, Flags: 110, [{"ScaleVmAnswer":{"result":true,"details":"scaling VM
> i-2-29-VM is successful on host
> com.xensource.xenapi.Host@d9987304","wait":0}}] }
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