Hi Caleb, Do you have any instances running on the host? If not, then removing it shouldn't cause any problems. Can you also check if xapi is running on the host.
Regards, Devdeep > -----Original Message----- > From: Caleb Call [mailto:calebc...@me.com] > Sent: Tuesday, February 12, 2013 5:37 AM > To: cloudstack-users@incubator.apache.org > Cc: 'Caleb Call'; <aemne...@gmail.com>; cloudstack- > d...@incubator.apache.org > Subject: Re: Xenserver Host unable to reconnect > > Tried this but still nothing. As I mentioned before, the mgmt_server_id is > already NULL. > > Here's a question for the group, if we pull this single host out of it's > cluster, > will it do anything to the VMs that area already in this zone? We have had > similar problems in our other zones that have multiple hosts, but we've been > able to pull those hosts out, rebuild them and re-add them and then > everything is happy. > > Can we do the same for a single node cluster? > > On Feb 11, 2013, at 3:54 PM, Anthony Xu <xuefei...@citrix.com> wrote: > > > Try this, > > > > - stop management server > > - null out mgmt_server_id for hosts in host table > > - start management server > > > > > > Anthony > > > >> -----Original Message----- > >> From: Caleb Call [mailto:cc...@overstock.com] > >> Sent: Monday, February 11, 2013 2:48 PM > >> To: <aemne...@gmail.com> > >> Cc: Caleb Call; cloudstack-...@incubator.apache.org; cloudstack- > >> us...@incubator.apache.org > >> Subject: Re: Xenserver Host unable to reconnect > >> > >> Yes, I canceled maintenance mode via Cloudstack. > >> > >> On Feb 11, 2013, at 3:46 PM, Ahmad Emneina > >> <aemne...@gmail.com<mailto:aemne...@gmail.com>> > >> wrote: > >> > >> is the host still in maintenance mode, have you cancelled maintenance > >> via cloudstack? > >> > >> > >> On Mon, Feb 11, 2013 at 2:32 PM, Caleb Call > >> <calebc...@me.com<mailto:calebc...@me.com>> wrote: > >> No luck, the mgmt_server_id is already null. > >> > >> > >> On Feb 11, 2013, at 3:27 PM, Caleb Call > >> <cc...@overstock.com<mailto:cc...@overstock.com>> wrote: > >> > >>> Yes to both of those, I should have mentioned I have tried to make > >> sure connectivity is still good. I'll try nulling out the > >> mgmt_server_id in the host table and see if that works. > >>> > >>> Thanks > >>> > >>> On Feb 11, 2013, at 3:23 PM, Ahmad Emneina > >> > <aemne...@gmail.com<mailto:aemne...@gmail.com><mailto:aemneina@gm > ail. > >> co > >> m<mailto:aemne...@gmail.com>>> > >>> wrote: > >>> > >>> from the management server, can you ssh to that host? can you > >>> execute > >> xe commands on that host? if yes to both those, null out the > >> mgmt_server_id from your host in the host table... then issue the > >> force reconnect. see if that helps. > >>> > >>> > >>> On Mon, Feb 11, 2013 at 2:17 PM, Caleb Call > >> > <cc...@overstock.com<mailto:cc...@overstock.com><mailto:ccall@oversto > >> ck .com<mailto:cc...@overstock.com>>> wrote: > >>> We have a zone that has a single host in it. We also recently > >> updated to 4.0 from 3.0.2 (this may not be relevant but figured I'd > >> mention it anyways). We put our host in maintenance mode (all VMs > >> were shutdown, etc) and applied some patches that were waiting to be > applied. > >> After coming back up, it now is unable to reconnect, when I try to > >> force reconnect, I get the following in the management log: > >>> > >>> 2013-02-11 15:04:34,541 DEBUG [ehcache.store.MemoryStore] > (catalina- > >> exec-19:null) UserDaoCache: UserDaoMemoryStore hit for 10 > >>> 2013-02-11 15:04:34,578 DEBUG [cloud.async.AsyncJobManagerImpl] > >> (catalina-exec-19:null) submit async job-4806, details: AsyncJobVO > >> {id:4806, userId: 10, accountId: 7, sessionKey: null, instanceType: > >> Host, instanceId: 25, cmd: com.cloud.api.commands.ReconnectHostCmd, > >> cmdOriginator: null, cmdInfo: {"id":"6bc87ba4-52d4-4477-a417- > >> > 46886d03698d","response":"json","sessionkey":"6IzB5H0fVA9f9FgdWtbNG9 > G > >> dB > >> 5E\u003d","ctxUserId":"10","_":"1360620274351","ctxAccountId":"7","ct > >> xS tartEventId":"15461"}, cmdVersion: 0, callbackType: 0, > >> callbackAddress: > >> null, status: 0, processStatus: 0, resultCode: 0, result: null, > >> initMsid: 145320940120008, completeMsid: null, lastUpdated: null, > >> lastPolled: null, created: null} > >>> 2013-02-11 15:04:34,579 DEBUG [cloud.async.AsyncJobManagerImpl] > >>> (Job- > >> Executor-3:job-4806) Executing > >> com.cloud.api.commands.ReconnectHostCmd > >> for job-4806 > >>> 2013-02-11 15:04:34,587 INFO [agent.manager.AgentManagerImpl] > (Job- > >> Executor-3:job-4806) Unable to disconnect host because it is not > >> connected to this server: 25 > >>> 2013-02-11 15:04:34,587 WARN [api.commands.ReconnectHostCmd] > (Job- > >> Executor-3:job-4806) Exception: > >>> com.cloud.api.ServerApiException > >>> at > >> > com.cloud.api.commands.ReconnectHostCmd.execute(ReconnectHostCmd.jav > a > >> :1 > >> 08) > >>> at com.cloud.api.ApiDispatcher.dispatch(ApiDispatcher.java:138) > >>> at > >> > com.cloud.async.AsyncJobManagerImpl$1.run(AsyncJobManagerImpl.java:43 > >> 2) > >>> at > >> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:47 > >> 1) > >>> at > >> java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) > >>> at java.util.concurrent.FutureTask.run(FutureTask.java:166) > >>> at > >> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor. > >> ja > >> va:1110) > >>> at > >> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor > >> .j > >> ava:603) > >>> at java.lang.Thread.run(Thread.java:679) > >>> 2013-02-11 15:04:34,587 WARN [cloud.api.ApiDispatcher] (Job- > >> Executor-3:job-4806) class com.cloud.api.ServerApiException : null > >>> 2013-02-11 15:04:34,588 DEBUG [cloud.async.AsyncJobManagerImpl] > >>> (Job- > >> Executor-3:job-4806) Complete async job-4806, jobStatus: 2, resultCode: > >> 530, result: Error Code: 534 Error text: null > >>> 2013-02-11 15:04:39,624 DEBUG [ehcache.store.MemoryStore] > (catalina- > >> exec-17:null) UserDaoCache: UserDaoMemoryStore hit for 10 > >>> 2013-02-11 15:04:39,635 DEBUG [cloud.async.AsyncJobManagerImpl] > >> (catalina-exec-17:null) Async job-4806 completed > >>> > >>> > >>> I can't find in the logs where it's trying (besides the force > >> reconnect) to reconnect on it's own. I do see where it acknowledges > >> the state of Alert for the host, but doesn't give any reasoning as to > >> why. > >>> > >>> The only thing I can see any indication it's even trying is this line: > >>> > >>> 2013-02-11 11:47:05,670 DEBUG > [xen.resource.XenServerConnectionPool] > >> (ClusteredAgentManager Timer:null) Failed to slave local login to > >> 10.5.1.14 > >>> 2013-02-11 11:47:05,671 WARN [cloud.resource.DiscovererBase] > >> (ClusteredAgentManager Timer:null) Unable to configure resource due > >> to Can not create slave connection to 10.5.1.14 > >>> > >>> 10.5.1.14 is the host that should be reconnecting but is not. > >>> > >>> Anything else I can look at as to why it's not connecting? Any > >> suggestions on why my host won't reconnect? > >>> > >>> Thanks > >>> > >>> > >>> ________________________________ > >>> > >>> CONFIDENTIALITY NOTICE: This message is intended only for the use > >>> and > >> review of the individual or entity to which it is addressed and may > >> contain information that is privileged and confidential. If the > >> reader of this message is not the intended recipient, or the employee > >> or agent responsible for delivering the message solely to the > >> intended recipient, you are hereby notified that any dissemination, > >> distribution or copying of this communication is strictly prohibited. > >> If you have received this communication in error, please notify > >> sender immediately by telephone or return email. Thank you. > >>> > >>> > >>> > >>> ________________________________ > >>> > >>> CONFIDENTIALITY NOTICE: This message is intended only for the use > >>> and > >> review of the individual or entity to which it is addressed and may > >> contain information that is privileged and confidential. If the > >> reader of this message is not the intended recipient, or the employee > >> or agent responsible for delivering the message solely to the > >> intended recipient, you are hereby notified that any dissemination, > >> distribution or copying of this communication is strictly prohibited. > >> If you have received this communication in error, please notify > >> sender immediately by telephone or return email. Thank you. > >> > >> > >> > >> > >> ________________________________ > >> > >> CONFIDENTIALITY NOTICE: This message is intended only for the use and > >> review of the individual or entity to which it is addressed and may > >> contain information that is privileged and confidential. If the > >> reader of this message is not the intended recipient, or the employee > >> or agent responsible for delivering the message solely to the > >> intended recipient, you are hereby notified that any dissemination, > >> distribution or copying of this communication is strictly prohibited. > >> If you have received this communication in error, please notify > >> sender immediately by telephone or return email. Thank you.
