我断断续续遇到这个问题已经有一年了，我想我最终应该发布一些东西。
当在 XenServer 6.5 SP1 的三主机池上转到服务器 -> 备份时，我收到“无法从传输连接读取数据：连接尝试失败，因为连接方在一段时间后没有正确响应，或者建立的连接失败，因为连接的主机未能响应。”
谷歌搜索这个问题并没有给我带来太多帮助，除了这里的一篇旧帖子没有直接的解决方案：
发生此错误时，我并没有失去与池的连接。此错误发生在多个工作站和两个不同的池上。在最近的案例中，我能够获得池主服务器的备份，但成员服务器因此错误而失败。
XenCenter 日志：
2016-03-24 11:39:54,326 DEBUG XenAdmin.Controls.ConsolePanel [Main program thread] - ConsolePanel: CloseVNCTimer(Control domain on host XenBlade5): Timer stopped and removed in delegate
2016-03-24 11:40:06,268 DEBUG XenAPI.HTTPHelper [16] - Caught exception doing HTTP GET from 192.168.2.26 to C:\Installs\XenServer\P1-XB2.xbk
2016-03-24 11:40:06,269 DEBUG XenAPI.HTTPHelper [16] - System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.IO.IOException: Unable to read data from the transport connection: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond. ---> System.Net.Sockets.SocketException: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond
at System.Net.Sockets.Socket.Receive(Byte[] buffer, Int32 offset, Int32 size, SocketFlags socketFlags)
at System.Net.Sockets.NetworkStream.Read(Byte[] buffer, Int32 offset, Int32 size)
--- End of inner exception stack trace ---
at System.Net.Sockets.NetworkStream.Read(Byte[] buffer, Int32 offset, Int32 size)
at System.Net.FixedSizeReader.ReadPacket(Byte[] buffer, Int32 offset, Int32 count)
at System.Net.Security._SslStream.StartFrameHeader(Byte[] buffer, Int32 offset, Int32 count, AsyncProtocolRequest asyncRequest)
at System.Net.Security._SslStream.StartReading(Byte[] buffer, Int32 offset, Int32 count, AsyncProtocolRequest asyncRequest)
at System.Net.Security._SslStream.ProcessRead(Byte[] buffer, Int32 offset, Int32 count, AsyncProtocolRequest asyncRequest)
at System.Net.Security.SslStream.Read(Byte[] buffer, Int32 offset, Int32 count)
at XenAPI.HTTP.CopyStream(Stream inStream, Stream outStream, DataCopiedDelegate progressDelegate, FuncBool cancellingDelegate)
at XenAPI.HTTP.Get(DataCopiedDelegate dataCopiedDelegate, FuncBool cancellingDelegate, Uri uri, IWebProxy proxy, String path, Int32 timeout_ms)
at XenAPI.HTTP_actions.get_host_backup(DataCopiedDelegate dataCopiedDelegate, FuncBool cancellingDelegate, Int32 timeout_ms, String hostname, IWebProxy proxy, String path, String task_id, String session_id)
--- End of inner exception stack trace ---
at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor)
at System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments)
at System.Delegate.DynamicInvokeImpl(Object[] args)
at XenAPI.HTTPHelper.Get(UpdateProgressDelegate progressDelegate, FuncBool cancellingDelegate, Boolean timeout, DataCopiedDelegate dataRxDelegate, IXenConnection connection, XenRef`1 task, Session& session, String path, String hostname, Delegate f, Object[] p)
System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.IO.IOException: Unable to read data from the transport connection: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond. ---> System.Net.Sockets.SocketException: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond
at System.Net.Sockets.Socket.Receive(Byte[] buffer, Int32 offset, Int32 size, SocketFlags socketFlags)
at System.Net.Sockets.NetworkStream.Read(Byte[] buffer, Int32 offset, Int32 size)
--- End of inner exception stack trace ---
at System.Net.Sockets.NetworkStream.Read(Byte[] buffer, Int32 offset, Int32 size)
at System.Net.FixedSizeReader.ReadPacket(Byte[] buffer, Int32 offset, Int32 count)
at System.Net.Security._SslStream.StartFrameHeader(Byte[] buffer, Int32 offset, Int32 count, AsyncProtocolRequest asyncRequest)
at System.Net.Security._SslStream.StartReading(Byte[] buffer, Int32 offset, Int32 count, AsyncProtocolRequest asyncRequest)
at System.Net.Security._SslStream.ProcessRead(Byte[] buffer, Int32 offset, Int32 count, AsyncProtocolRequest asyncRequest)
at System.Net.Security.SslStream.Read(Byte[] buffer, Int32 offset, Int32 count)
at XenAPI.HTTP.CopyStream(Stream inStream, Stream outStream, DataCopiedDelegate progressDelegate, FuncBool cancellingDelegate)
at XenAPI.HTTP.Get(DataCopiedDelegate dataCopiedDelegate, FuncBool cancellingDelegate, Uri uri, IWebProxy proxy, String path, Int32 timeout_ms)
at XenAPI.HTTP_actions.get_host_backup(DataCopiedDelegate dataCopiedDelegate, FuncBool cancellingDelegate, Int32 timeout_ms, String hostname, IWebProxy proxy, String path, String task_id, String session_id)
--- End of inner exception stack trace ---
at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor)
at System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments)
at System.Delegate.DynamicInvokeImpl(Object[] args)
at XenAPI.HTTPHelper.Get(UpdateProgressDelegate progressDelegate, FuncBool cancellingDelegate, Boolean timeout, DataCopiedDelegate dataRxDelegate, IXenConnection connection, XenRef`1 task, Session& session, String path, String hostname, Delegate f, Object[] p)
2016-03-24 11:40:06,430 INFO XenAPI.Session [16] - Invoking XML-RPC method task.destroy
2016-03-24 11:40:06,474 ERROR XenAdmin.Actions.AsyncAction [16] - System.IO.IOException: Unable to read data from the transport connection: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond. ---> System.Net.Sockets.SocketException: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond
at System.Net.Sockets.Socket.Receive(Byte[] buffer, Int32 offset, Int32 size, SocketFlags socketFlags)
at System.Net.Sockets.NetworkStream.Read(Byte[] buffer, Int32 offset, Int32 size)
--- End of inner exception stack trace ---
at XenAPI.HTTPHelper.Get(UpdateProgressDelegate progressDelegate, FuncBool cancellingDelegate, Boolean timeout, DataCopiedDelegate dataRxDelegate, IXenConnection connection, XenRef`1 task, Session& session, String path, String hostname, Delegate f, Object[] p)
at XenAPI.HTTPHelper.Get(AsyncAction action, Boolean timeout, DataCopiedDelegate dataRxDelegate, String path, String hostname, Delegate f, Object[] p)
at XenAdmin.Actions.HostBackupRestoreAction.Run()
at XenAdmin.Actions.AsyncAction.RunWorkerThread(Object o)
2016-03-24 11:40:06,475 ERROR XenAdmin.Actions.AsyncAction [16] - at XenAPI.HTTPHelper.Get(UpdateProgressDelegate progressDelegate, FuncBool cancellingDelegate, Boolean timeout, DataCopiedDelegate dataRxDelegate, IXenConnection connection, XenRef`1 task, Session& session, String path, String hostname, Delegate f, Object[] p)
at XenAPI.HTTPHelper.Get(AsyncAction action, Boolean timeout, DataCopiedDelegate dataRxDelegate, String path, String hostname, Delegate f, Object[] p)
at XenAdmin.Actions.HostBackupRestoreAction.Run()
at XenAdmin.Actions.AsyncAction.RunWorkerThread(Object o)
2016-03-24 11:40:06,476 WARN Audit [16] - Operation failure: HostBackupRestoreAction: NCUPOOL: Pool 30a9e997-12d4-46b1-4ab3-92bc5bfe9bb7 (NCUPOOL): Host 49c45d83-e23a-4bb0-9002-7a0216637cf7 (XenBlade2): Backing up server 'XenBlade2', 87 MB received...
2016-03-24 11:40:06,477 DEBUG XenAdmin.Actions.ActionBase [16] - System.IO.IOException: Unable to read data from the transport connection: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond. ---> System.Net.Sockets.SocketException: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond
at System.Net.Sockets.Socket.Receive(Byte[] buffer, Int32 offset, Int32 size, SocketFlags socketFlags)
at System.Net.Sockets.NetworkStream.Read(Byte[] buffer, Int32 offset, Int32 size)
--- End of inner exception stack trace ---
at XenAPI.HTTPHelper.Get(UpdateProgressDelegate progressDelegate, FuncBool cancellingDelegate, Boolean timeout, DataCopiedDelegate dataRxDelegate, IXenConnection connection, XenRef`1 task, Session& session, String path, String hostname, Delegate f, Object[] p)
at XenAPI.HTTPHelper.Get(AsyncAction action, Boolean timeout, DataCopiedDelegate dataRxDelegate, String path, String hostname, Delegate f, Object[] p)
at XenAdmin.Actions.HostBackupRestoreAction.Run()
at XenAdmin.Actions.AsyncAction.RunWorkerThread(Object o)
System.IO.IOException: Unable to read data from the transport connection: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond. ---> System.Net.Sockets.SocketException: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond
at System.Net.Sockets.Socket.Receive(Byte[] buffer, Int32 offset, Int32 size, SocketFlags socketFlags)
at System.Net.Sockets.NetworkStream.Read(Byte[] buffer, Int32 offset, Int32 size)
--- End of inner exception stack trace ---
at XenAPI.HTTPHelper.Get(UpdateProgressDelegate progressDelegate, FuncBool cancellingDelegate, Boolean timeout, DataCopiedDelegate dataRxDelegate, IXenConnection connection, XenRef`1 task, Session& session, String path, String hostname, Delegate f, Object[] p)
at XenAPI.HTTPHelper.Get(AsyncAction action, Boolean timeout, DataCopiedDelegate dataRxDelegate, String path, String hostname, Delegate f, Object[] p)
at XenAdmin.Actions.HostBackupRestoreAction.Run()
at XenAdmin.Actions.AsyncAction.RunWorkerThread(Object o)`
有小费吗？
谢谢！
有小费吗？
谢谢！