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arcserve-KB : ER00105 Error Unable to send file (lost acknowledgment)

Last Update: 2015-09-09 04:33:36 UTC

Error Message:

ER00105 Error Unable to send file (lost acknowledgment)

Description:

Replication might fail with error ER00105 Unable to send file (lost acknowledgment), if packet not able to reach replica server due to network bandwidth.

 

Solution:

Run following test from Master server:

* Goto command prompt C:\

* ping -l 64000 -n 100  'Replica Server IP address'

* Check for any packet loss: Packets: Sent = 100, Received = 0, Lost = 100 (100% loss)

* If there is a packet loss, then ping with 32000 packet size. ie

* ping -l 32000 -n 100  'Replica Server IP address'

* If still there is 100% loss, then continue to run ping test with packet size 16000, 8000 and 4000.

* If you get 0% loss i.e Packets: Sent = 100, Received = 100, Lost = 0 (0% loss) on 32000 or 16000 or 8000 or 4000, then make below changes.

> Stop the scenario from RHA scenario management.

> Stop CA ARCserve RHA Engine service on both Master & Replica servers

> Goto RHA installation folder : C:\Program Files\CA\ARCserve RHA\Engine

> Open ws_rep.cfg in a notepad.

> Search for # ChunkLength = 64K

> Change accordingly to the packet size which has 0% loss.

Ex: If there is 0% loss on packet size 32000 then change accordingly in ws_rep.cfg

       ChunkLength = 32k

NOTE: Remove # in front of ChunkLength

> Save ws_rep.cfg after making change in both Master & Replica servers.

> Start CA ARCserve RHA Engine services.

> Start scenario from scenario management

 

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