topic Re: Snapmirror source volume snapshot size in ONTAP Discussions https://community.netapp.com/t5/ONTAP-Discussions/Snapmirror-source-volume-snapshot-size/m-p/21353#M5016 <HTML><HEAD></HEAD><BODY><P>Thanks for the welcome, long time lurker.</P><P></P><P>We are taking only one snapshot nightly. </P><P></P><P>Here is one of the (source) volumes that is successfully being snapmirrored. (ONTAP Release 7.3.5.1P2)</P><P></P><TABLE><TBODY><TR><TD>Name:&nbsp;&nbsp;&nbsp; </TD><TD> vol3&nbsp;&nbsp;&nbsp; </TD><TD>&nbsp; </TD><TD></TD><TD>&nbsp; </TD></TR><TR><TD>Type:&nbsp;&nbsp;&nbsp; </TD><TD> Flexible&nbsp;&nbsp;&nbsp; </TD><TD> Root Volume?&nbsp;&nbsp;&nbsp; </TD><TD> -</TD><TD><BR /></TD></TR><TR><TD>FlexClone ?&nbsp;&nbsp;&nbsp; </TD><TD> -&nbsp;&nbsp;&nbsp; </TD><TD> Containing Aggregate:&nbsp;&nbsp;&nbsp; </TD><TD> aggr0</TD><TD><BR /></TD></TR><TR><TD>Status:&nbsp;&nbsp;&nbsp; </TD><TD> online,raid_dp&nbsp;&nbsp;&nbsp; </TD><TD>&nbsp; </TD><TD></TD><TD>&nbsp; </TD></TR><TR><TD>Used Capacity:&nbsp;&nbsp;&nbsp; </TD><TD> 758 GB&nbsp;&nbsp;&nbsp; </TD><TD> Space Guarantee&nbsp;&nbsp;&nbsp; </TD><TD> volume</TD><TD><BR /></TD></TR><TR><TD>% Used:&nbsp;&nbsp;&nbsp; </TD><TD> 74%&nbsp;&nbsp;&nbsp; </TD><TD> Language:&nbsp;&nbsp;&nbsp; </TD><TD> en_US</TD><TD><BR /></TD></TR><TR><TD>Total Capacity:&nbsp;&nbsp;&nbsp; </TD><TD> 1 TB&nbsp;&nbsp;&nbsp; </TD><TD> Total Size:&nbsp;&nbsp;&nbsp; </TD><TD> 1 TB</TD><TD><BR /></TD></TR><TR><TD>Number of Files:&nbsp;&nbsp;&nbsp; </TD><TD> 363&nbsp;&nbsp;&nbsp; </TD><TD> Max Directory Size:&nbsp;&nbsp;&nbsp; </TD><TD> 20.5 MB</TD><TD><BR /></TD></TR><TR><TD>Max Files:&nbsp;&nbsp;&nbsp; </TD><TD> 31.9 m&nbsp;&nbsp;&nbsp; </TD><TD>&nbsp; </TD><TD></TD><TD>&nbsp; </TD></TR><TR><TD>SNAP Mirror?&nbsp;&nbsp;&nbsp; </TD><TD> -&nbsp;&nbsp;&nbsp; </TD><TD> SNAP Directory?&nbsp;&nbsp;&nbsp; </TD><TD> X</TD><TD><BR /></TD></TR><TR><TD>SNAP?&nbsp;&nbsp;&nbsp; </TD><TD> X&nbsp;&nbsp; </TD><TD> Resync SNAP Time:&nbsp;&nbsp;&nbsp; </TD><TD> 60</TD><TD><BR /></TD></TR><TR><TD>SVO Enable?&nbsp;&nbsp;&nbsp; </TD><TD> -&nbsp;&nbsp;&nbsp; </TD><TD> SVO Checksum?&nbsp;&nbsp;&nbsp; </TD><TD> -</TD><TD><BR /></TD></TR><TR><TD>Allow SVO RMAN?&nbsp;&nbsp;&nbsp; </TD><TD> -&nbsp;&nbsp;&nbsp; </TD><TD> SVO Reject Errors?&nbsp;&nbsp;&nbsp; </TD><TD> -</TD><TD><BR /></TD></TR><TR><TD>Create Unicode?&nbsp;&nbsp;&nbsp; </TD><TD>X&nbsp; </TD><TD> Convert Unicode?&nbsp;&nbsp;&nbsp; </TD><TD> -</TD><TD><BR /></TD></TR><TR><TD>Minimal Read Ahead?&nbsp;&nbsp;&nbsp; </TD><TD> -&nbsp;&nbsp;&nbsp; </TD><TD> NV Fail?&nbsp;&nbsp;&nbsp; </TD><TD> -</TD><TD><BR /></TD></TR><TR><TD>Fractional Reserve :&nbsp;&nbsp;&nbsp; </TD><TD> 100&nbsp;&nbsp;&nbsp; </TD><TD> Extent?&nbsp;&nbsp;&nbsp; </TD><TD> -</TD><TD><BR /></TD></TR><TR><TD>FS Size Fixed?&nbsp;&nbsp;&nbsp; </TD><TD> -&nbsp;&nbsp;&nbsp; </TD><TD> Update Access time?&nbsp;&nbsp;&nbsp; </TD><TD>X</TD><TD><BR /></TD></TR><TR><TD>I2P?&nbsp;&nbsp;&nbsp; </TD><TD>X&nbsp;&nbsp; </TD><TD> Ignore Inconsistent??&nbsp;&nbsp;&nbsp; </TD><TD> -</TD><TD><BR /></TD></TR></TBODY></TABLE></BODY></HTML> Thu, 02 May 2013 15:46:07 GMT cvoigt 2013-05-02T15:46:07Z Snapmirror source volume snapshot size https://community.netapp.com/t5/ONTAP-Discussions/Snapmirror-source-volume-snapshot-size/m-p/21344#M5009 <HTML><HEAD></HEAD><BODY><P>We have snapmirror up and running for 4 volumes on one of our filers, we do one snapmirror every night for each volume.&nbsp; One of the volumes began failing it's nightly snapmirror the other day due to lack of disk space on the source volume (0% snapshot reserve).&nbsp; When looking at the space usage of existing snapshots for the working volumes, I'm confused as to why the snapmirror transfer size is not the same as the snapshot stored on the source volume.&nbsp; What dictates the size of snapshot stored on the source volume?&nbsp; I know it should be the delta of the data on volume since the last snapshot, and this seems to be reflected in the snapmirror transfer size but not the source volume snapshot (which is always seems to be smaller).</P></BODY></HTML> Thu, 05 Jun 2025 06:03:40 GMT https://community.netapp.com/t5/ONTAP-Discussions/Snapmirror-source-volume-snapshot-size/m-p/21344#M5009 cvoigt 2025-06-05T06:03:40Z Re: Snapmirror source volume snapshot size https://community.netapp.com/t5/ONTAP-Discussions/Snapmirror-source-volume-snapshot-size/m-p/21350#M5014 <HTML><HEAD></HEAD><BODY><P>Hi and welcome to the Community! <SPAN __jive_emoticon_name="happy" __jive_macro_name="emoticon" class="jive_macro jive_macro_emoticon jive_emote" src="https://community.netapp.com/5.0.1/images/emoticons/happy.gif"></SPAN></P><P></P><P>Are you taking the snapshot only nightly, or more frequently? If the latter is true: SnapMirror will need to transfer all changes since the previous update, not just from the last snapshot.</P><P></P><P>Regards,<BR />Radek</P></BODY></HTML> Thu, 02 May 2013 15:28:33 GMT https://community.netapp.com/t5/ONTAP-Discussions/Snapmirror-source-volume-snapshot-size/m-p/21350#M5014 radek_kubka 2013-05-02T15:28:33Z Re: Snapmirror source volume snapshot size https://community.netapp.com/t5/ONTAP-Discussions/Snapmirror-source-volume-snapshot-size/m-p/21353#M5016 <HTML><HEAD></HEAD><BODY><P>Thanks for the welcome, long time lurker.</P><P></P><P>We are taking only one snapshot nightly. </P><P></P><P>Here is one of the (source) volumes that is successfully being snapmirrored. (ONTAP Release 7.3.5.1P2)</P><P></P><TABLE><TBODY><TR><TD>Name:&nbsp;&nbsp;&nbsp; </TD><TD> vol3&nbsp;&nbsp;&nbsp; </TD><TD>&nbsp; </TD><TD></TD><TD>&nbsp; </TD></TR><TR><TD>Type:&nbsp;&nbsp;&nbsp; </TD><TD> Flexible&nbsp;&nbsp;&nbsp; </TD><TD> Root Volume?&nbsp;&nbsp;&nbsp; </TD><TD> -</TD><TD><BR /></TD></TR><TR><TD>FlexClone ?&nbsp;&nbsp;&nbsp; </TD><TD> -&nbsp;&nbsp;&nbsp; </TD><TD> Containing Aggregate:&nbsp;&nbsp;&nbsp; </TD><TD> aggr0</TD><TD><BR /></TD></TR><TR><TD>Status:&nbsp;&nbsp;&nbsp; </TD><TD> online,raid_dp&nbsp;&nbsp;&nbsp; </TD><TD>&nbsp; </TD><TD></TD><TD>&nbsp; </TD></TR><TR><TD>Used Capacity:&nbsp;&nbsp;&nbsp; </TD><TD> 758 GB&nbsp;&nbsp;&nbsp; </TD><TD> Space Guarantee&nbsp;&nbsp;&nbsp; </TD><TD> volume</TD><TD><BR /></TD></TR><TR><TD>% Used:&nbsp;&nbsp;&nbsp; </TD><TD> 74%&nbsp;&nbsp;&nbsp; </TD><TD> Language:&nbsp;&nbsp;&nbsp; </TD><TD> en_US</TD><TD><BR /></TD></TR><TR><TD>Total Capacity:&nbsp;&nbsp;&nbsp; </TD><TD> 1 TB&nbsp;&nbsp;&nbsp; </TD><TD> Total Size:&nbsp;&nbsp;&nbsp; </TD><TD> 1 TB</TD><TD><BR /></TD></TR><TR><TD>Number of Files:&nbsp;&nbsp;&nbsp; </TD><TD> 363&nbsp;&nbsp;&nbsp; </TD><TD> Max Directory Size:&nbsp;&nbsp;&nbsp; </TD><TD> 20.5 MB</TD><TD><BR /></TD></TR><TR><TD>Max Files:&nbsp;&nbsp;&nbsp; </TD><TD> 31.9 m&nbsp;&nbsp;&nbsp; </TD><TD>&nbsp; </TD><TD></TD><TD>&nbsp; </TD></TR><TR><TD>SNAP Mirror?&nbsp;&nbsp;&nbsp; </TD><TD> -&nbsp;&nbsp;&nbsp; </TD><TD> SNAP Directory?&nbsp;&nbsp;&nbsp; </TD><TD> X</TD><TD><BR /></TD></TR><TR><TD>SNAP?&nbsp;&nbsp;&nbsp; </TD><TD> X&nbsp;&nbsp; </TD><TD> Resync SNAP Time:&nbsp;&nbsp;&nbsp; </TD><TD> 60</TD><TD><BR /></TD></TR><TR><TD>SVO Enable?&nbsp;&nbsp;&nbsp; </TD><TD> -&nbsp;&nbsp;&nbsp; </TD><TD> SVO Checksum?&nbsp;&nbsp;&nbsp; </TD><TD> -</TD><TD><BR /></TD></TR><TR><TD>Allow SVO RMAN?&nbsp;&nbsp;&nbsp; </TD><TD> -&nbsp;&nbsp;&nbsp; </TD><TD> SVO Reject Errors?&nbsp;&nbsp;&nbsp; </TD><TD> -</TD><TD><BR /></TD></TR><TR><TD>Create Unicode?&nbsp;&nbsp;&nbsp; </TD><TD>X&nbsp; </TD><TD> Convert Unicode?&nbsp;&nbsp;&nbsp; </TD><TD> -</TD><TD><BR /></TD></TR><TR><TD>Minimal Read Ahead?&nbsp;&nbsp;&nbsp; </TD><TD> -&nbsp;&nbsp;&nbsp; </TD><TD> NV Fail?&nbsp;&nbsp;&nbsp; </TD><TD> -</TD><TD><BR /></TD></TR><TR><TD>Fractional Reserve :&nbsp;&nbsp;&nbsp; </TD><TD> 100&nbsp;&nbsp;&nbsp; </TD><TD> Extent?&nbsp;&nbsp;&nbsp; </TD><TD> -</TD><TD><BR /></TD></TR><TR><TD>FS Size Fixed?&nbsp;&nbsp;&nbsp; </TD><TD> -&nbsp;&nbsp;&nbsp; </TD><TD> Update Access time?&nbsp;&nbsp;&nbsp; </TD><TD>X</TD><TD><BR /></TD></TR><TR><TD>I2P?&nbsp;&nbsp;&nbsp; </TD><TD>X&nbsp;&nbsp; </TD><TD> Ignore Inconsistent??&nbsp;&nbsp;&nbsp; </TD><TD> -</TD><TD><BR /></TD></TR></TBODY></TABLE></BODY></HTML> Thu, 02 May 2013 15:46:07 GMT https://community.netapp.com/t5/ONTAP-Discussions/Snapmirror-source-volume-snapshot-size/m-p/21353#M5016 cvoigt 2013-05-02T15:46:07Z