[Xen-users] DarwinStreamingServer Error with Live migration

[고광원 <kwangwon.koh@xxxxxxxxxx>]

Hi, all.

I'm currently testing a DarwinStreamingServer with xen.

Of course, DarwinStreamingServer is running well in XenU,

so I'm testing live migration a xenU where DarwinStreamingServer

is running.

Ordinary, DarwinStreamingServer shows following monitoring data.

 

     RTP-Conns RTSP-Conns HTTP-Conns  kBits/Sec   Pkts/Sec   RTP-Playing   AvgDelay CurMaxDelay  MaxDelay  AvgQuality  NumThinned      Time
          0          0          0          0          0             0      -8689          0          1          0          0     2005-09-16 08:21:29
          0          0          0          0          0             0          0          0          1          0          0     2005-09-16 08:21:32
          1          0          1        503         70             1       -784          0          1          0          0     2005-09-16 08:21:36
          1          0          1        556         77             1      -2532          0          1          0          0     2005-09-16 08:21:39
          1          0          1        517         73             1      -5475          0          1          0          0     2005-09-16 08:21:42
          1          0          1        509         72             1      -8684          0          1          0          0     2005-09-16 08:21:45
          1          0          1        422         75             1     -11776          0          1          0          0     2005-09-16 08:21:48
          1          0          1        589         87             1     -15107          0          1          0          0     2005-09-16 08:21:51
          1          0          1        527         74             1     -18012          0          1          0          0     2005-09-16 08:21:54
          1          0          1        468         70             1     -21108          0          1          0          0     2005-09-16 08:21:57

So I make a command:

xm migrate -l xenUguestOS targetnode

, then DarwinStreamingServer shows a problem that it doesn't serve any more.

And DarwinStreamingServer shows following message:

 

     RTP-Conns RTSP-Conns HTTP-Conns  kBits/Sec   Pkts/Sec   RTP-Playing   AvgDelay CurMaxDelay  MaxDelay  AvgQuality  NumThinned      Time
          1          0          1          0          0             1     176864     195667     195667          4          1     2005-09-16 08:25:38
          1          0          1          0          0             1          0          0     195667          0          1     2005-09-16 08:25:42
          1          0          1          0          0             1          0          0     195667          0          1     2005-09-16 08:25:45

You know that, Avg delay,  CurMaxDelay and MaxDelay are increased and Service doesn't anymore.

 

Of course, live migration successes with following xfrd log.

........

Total pages sent= 33952 (1.04x)
[1126826517.658107] (of which 0 were fixups)

(of which 0 were fixups)
[DEBUG] Conn_sxpr>
(xfr.err 0)[DEBUG] Conn_sxpr< err=0
[DEBUG] Conn_sxpr>
(xfr.xfr.ok 6)[DEBUG] Conn_sxpr< err=0
5035 [INF] XFRD> Transfer complete in 12 seconds
5035 [WRN] XFRD> Transfer OK
5035 [INF] XFRD> Xfr service err=0

 

I'm currently testing Xen 2.07, and 2 nodes are in different subnet.

Can someone help me please?

 

Thanks in advance,

Kwang-Won Koh

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