topic Re: snapmirror window_size in ONTAP Discussions https://community.netapp.com/t5/ONTAP-Discussions/snapmirror-window-size/m-p/49266#M11552 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>Since you are running SM for the first time, you will have to reintialize the snapmirror for the window size to take into effect.</P><P></P><P>Kumaresan</P></BODY></HTML> Tue, 31 Jan 2012 07:39:28 GMT kumaraysun 2012-01-31T07:39:28Z snapmirror window_size https://community.netapp.com/t5/ONTAP-Discussions/snapmirror-window-size/m-p/49261#M11551 <HTML><HEAD></HEAD><BODY><P>I have an initial QSM running over the WAN and the snapmirror is running rather slow.&nbsp; I increased the snapmirror windows_size on the source and destination Filer.&nbsp; Comparing the sysstat network outbound on the source remains the same as before the window size increase.&nbsp; Does the snapmirror window_size setting take affect on active snapmirror?&nbsp; Or do I need to restart the QSM?&nbsp; </P><P>This is the initial QSM so I'm not sure if I abort QSM it will be in 'restartable' mode and continue where it was aborted when I reinitialize the QSM again. </P><P></P><P>thanks,.</P></BODY></HTML> Thu, 05 Jun 2025 06:36:10 GMT https://community.netapp.com/t5/ONTAP-Discussions/snapmirror-window-size/m-p/49261#M11551 buim 2025-06-05T06:36:10Z Re: snapmirror window_size https://community.netapp.com/t5/ONTAP-Discussions/snapmirror-window-size/m-p/49266#M11552 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>Since you are running SM for the first time, you will have to reintialize the snapmirror for the window size to take into effect.</P><P></P><P>Kumaresan</P></BODY></HTML> Tue, 31 Jan 2012 07:39:28 GMT https://community.netapp.com/t5/ONTAP-Discussions/snapmirror-window-size/m-p/49266#M11552 kumaraysun 2012-01-31T07:39:28Z Re: snapmirror window_size https://community.netapp.com/t5/ONTAP-Discussions/snapmirror-window-size/m-p/49270#M11553 <HTML><HEAD></HEAD><BODY><P>New TCP window size takes effect only on new connections. You cannot restart initial transfer. Unfortunately (I wish we could).</P></BODY></HTML> Tue, 31 Jan 2012 08:13:10 GMT https://community.netapp.com/t5/ONTAP-Discussions/snapmirror-window-size/m-p/49270#M11553 aborzenkov 2012-01-31T08:13:10Z