GitHub user TheKunalSen added a comment to the discussion: Connecting Two
management servers
> > @weizhouapache we are in the same situation soon also where we are going to
> > deploy another redundant management server but on another site so how big
> > can the `management.network.cidr` be? Because we deploy it on another site
> > and our IPv4 usage is quite extreme the only supernet i can possible think
> > of might be 10/8 or even 0/0 if we are unlucky. Would it be possible to add
> > multiple networks to `management.network.cidr` ?
>
> @Sparc0 let's wait for @TheKunalSen to confirm. If it works, we can improve
> source code to support multiple comma-separated cidrs as
> management.network.cidr
@weizhouapache
i have change the management cidr now the .2 network host is added and up
but the system vms are failing for .2 zone
i have kept a common nfs secondary storage for z1 and z2 on 192.168.1.103
z1 is having the primary storage on nfs 192.168.1.103
and a separate primary storage for z2 on 192.168.2.102
this is what my export file looks like on nfs 1
```
user@nfs1:~$ cat /etc/exports
# /etc/exports: the access control list for filesystems which may be exported
# to NFS clients. See exports(5).
#
# Example for NFSv2 and NFSv3:
# /srv/homes hostname1(rw,sync,no_subtree_check)
hostname2(ro,sync,no_subtree_check)
#
# Example for NFSv4:
# /srv/nfs4 gss/krb5i(rw,sync,fsid=0,crossmnt,no_subtree_check)
# /srv/nfs4/homes gss/krb5i(rw,sync,no_subtree_check)
#
# CloudStack NFS Storage
/export/primary *(rw,async,no_root_squash,no_subtree_check)
/export/secondary *(rw,async,no_root_squash,no_subtree_check)
```
i am getting error on agent side
```
2026-05-21 06:00:09,855 WARN [utils.script.Script] (AgentRequest-Handler-5:[])
(logid:3ff05cbd) Process [34991] for command [/bin/bash -c mountpoint -q
/mnt/018eedde-0d32-30b4-9fe0-77c8adbfc4c2 ] encountered the error: [32].
2026-05-21 06:00:10,143 ERROR [kvm.storage.LibvirtStorageAdaptor]
(AgentRequest-Handler-5:[]) (logid:3ff05cbd) org.libvirt.LibvirtException:
internal error: Child process (/usr/bin/mount -o nodev,nosuid,noexec
192.168.1.103:/export/secondary/template/tmpl/1/3
/mnt/018eedde-0d32-30b4-9fe0-77c8adbfc4c2) unexpected exit status 32:
mount.nfs: Operation not permitted
2026-05-21 06:00:10,143 ERROR [kvm.storage.LibvirtStorageAdaptor]
(AgentRequest-Handler-5:[]) (logid:3ff05cbd) Failed to create netfs mount:
192.168.1.103:/export/secondary/template/tmpl/1/3 org.libvirt.LibvirtException:
internal error: Child process (/usr/bin/mount -o nodev,nosuid,noexec
192.168.1.103:/export/secondary/template/tmpl/1/3
/mnt/018eedde-0d32-30b4-9fe0-77c8adbfc4c2) unexpected exit status 32:
mount.nfs: Operation not permitted
at org.libvirt.ErrorHandler.processError(Unknown Source)
at org.libvirt.ErrorHandler.processError(Unknown Source)
at org.libvirt.Connect.storagePoolCreateXML(Unknown Source)
at
com.cloud.hypervisor.kvm.storage.LibvirtStorageAdaptor.createNetfsStoragePool(LibvirtStorageAdaptor.java:313)
at
com.cloud.hypervisor.kvm.storage.LibvirtStorageAdaptor.createStoragePool(LibvirtStorageAdaptor.java:815)
at
com.cloud.hypervisor.kvm.storage.KVMStoragePoolManager.createStoragePool(KVMStoragePoolManager.java:392)
at
com.cloud.hypervisor.kvm.storage.KVMStoragePoolManager.getStoragePoolByURI(KVMStoragePoolManager.java:338)
at
com.cloud.hypervisor.kvm.storage.KVMStorageProcessor.copyTemplateToPrimaryStorage(KVMStorageProcessor.java:293)
at
com.cloud.storage.resource.StorageSubsystemCommandHandlerBase.execute(StorageSubsystemCommandHandlerBase.java:103)
at
com.cloud.storage.resource.StorageSubsystemCommandHandlerBase.handleStorageCommands(StorageSubsystemCommandHandlerBase.java:65)
at
com.cloud.hypervisor.kvm.resource.wrapper.LibvirtStorageSubSystemCommandWrapper.execute(LibvirtStorageSubSystemCommandWrapper.java:36)
at
com.cloud.hypervisor.kvm.resource.wrapper.LibvirtStorageSubSystemCommandWrapper.execute(LibvirtStorageSubSystemCommandWrapper.java:30)
at
com.cloud.hypervisor.kvm.resource.wrapper.LibvirtRequestWrapper.execute(LibvirtRequestWrapper.java:78)
at
com.cloud.hypervisor.kvm.resource.LibvirtComputingResource.executeRequest(LibvirtComputingResource.java:2280)
at com.cloud.agent.Agent.processRequest(Agent.java:813)
at com.cloud.agent.Agent$AgentRequestHandler.doTask(Agent.java:1295)
at com.cloud.utils.nio.Task.call(Task.java:83)
at com.cloud.utils.nio.Task.call(Task.java:29)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
at
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
at java.base/java.lang.Thread.run(Thread.java:829)
```
GitHub link:
https://github.com/apache/cloudstack/discussions/13201#discussioncomment-17000131
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