https://community.netapp.com/t5/Microsoft-Virtualization-Discussions/Failed-to-set-an-empty-SnapmirrorLabel-with-Set-NcSnapshotPolicySchedule-with/m-p/127565#M5231 <P>Funny, I went to my lab and tried that as well.</P><P>&nbsp;</P><P>I used a `n and that blanked it out, but I can't figure out why I can't use "-"</P> Tue, 31 Jan 2017 18:18:38 GMT JGPSHNTAP 2017-01-31T18:18:38Z https://community.netapp.com/t5/Microsoft-Virtualization-Discussions/Failed-to-set-an-empty-SnapmirrorLabel-with-Set-NcSnapshotPolicySchedule-with/m-p/127560#M5227 <P>Hello,</P><P>&nbsp;</P><P>I'm trying to delete a snapmirrorlabel from a snapshot policy schedule with</P><P>Set-NcSnapmirrorPolicySchedule</P><P>but contrary to help which indicate that an empty label will delete the existing label, it is impossible to delete a label and return an empty label ("-" from cli)</P><P>&nbsp;</P><PRE>New-NcSnapshotPolicy -Name TCO -Schedule hourly -Count 48 -Prefix hourly Policy Enabled SnapshotPolicySchedules ------ ------- ----------------------- TCO True {hourly (48)}</PRE><P>give me the result:</P><PRE>cot-3-demofr::*&gt; snapshot policy show -policy TCO Vserver: cot-3-demofr Number of Is Policy Name Schedules Enabled Comment ------------------------ --------- ------- ---------------------------------- TCO 1 true - Schedule Count Prefix SnapMirror Label ---------------------- ----- ---------------------- ------------------- hourly 48 hourly -</PRE><P>I then set a snapmirrorlabel with</P><P>&nbsp;</P><PRE>Set-NcSnapshotPolicySchedule -name TCO -Schedule hourly -Count 48 -SnapmirrorLabel test Policy Enabled SnapshotPolicySchedules ------ ------- ----------------------- TCO True {hourly (48)}</PRE><P>which give me the correct label:</P><PRE>cot-3-demofr::*&gt; snapshot policy show -policy TCO Vserver: cot-3-demofr Number of Is Policy Name Schedules Enabled Comment ------------------------ --------- ------- ---------------------------------- TCO 1 true - Schedule Count Prefix SnapMirror Label ---------------------- ----- ---------------------- ------------------- hourly 48 hourly test </PRE><P>But after i'm not able to return to an empty snapmirrorlabel, whatever command i used:</P><P>&nbsp;</P><PRE>Set-NcSnapshotPolicySchedule -name TCO -Schedule hourly -Count 48 -SnapmirrorLabel "-" Set-NcSnapshotPolicySchedule : The SnapMirror Label name "-" is invalid. SnapMirror Label name must contain at least one character and must not contain leading or trailing white space. At line:1 char:1 + Set-NcSnapshotPolicySchedule -name TCO -Schedule hourly -Count 48 -Sn ... + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + CategoryInfo : InvalidOperation: (cOT3-demofr:NcController) [Set-NcSnapshotPolicySchedule], EINVALIDINPUTERROR + FullyQualifiedErrorId : ApiException,DataONTAP.C.PowerShell.SDK.Cmdlets.Snapshot.SetNcSnapshotPolicySchedule</PRE><PRE>Set-NcSnapshotPolicySchedule -name TCO -Schedule hourly -Count 48 -SnapmirrorLabel "" Policy Enabled SnapshotPolicySchedules ------ ------- ----------------------- TCO True {hourly (48)} cot-3-demofr::*&gt; snapshot policy show -policy TCO Vserver: cot-3-demofr Number of Is Policy Name Schedules Enabled Comment ------------------------ --------- ------- ---------------------------------- TCO 1 true - Schedule Count Prefix SnapMirror Label ---------------------- ----- ---------------------- ------------------- hourly 48 hourly test </PRE><PRE>Set-NcSnapshotPolicySchedule -name TCO -Schedule hourly -Count 48 Policy Enabled SnapshotPolicySchedules ------ ------- ----------------------- TCO True {hourly (48)} cot-3-demofr::*&gt; snapshot policy show -policy TCO Vserver: cot-3-demofr Number of Is Policy Name Schedules Enabled Comment ------------------------ --------- ------- ---------------------------------- TCO 1 true - Schedule Count Prefix SnapMirror Label ---------------------- ----- ---------------------- ------------------- hourly 48 hourly test </PRE><P>Is this a bug?</P><P>Do i'm doing something wrong?</P><P>I know i can delete the policy to recreate it without any snapmirrorlabel, but it's not my need.</P><P>&nbsp;</P><P>TIA</P><P>&nbsp;</P><P>Regards</P> Wed, 04 Jun 2025 15:30:29 GMT https://community.netapp.com/t5/Microsoft-Virtualization-Discussions/Failed-to-set-an-empty-SnapmirrorLabel-with-Set-NcSnapshotPolicySchedule-with/m-p/127560#M5227 masson 2025-06-04T15:30:29Z https://community.netapp.com/t5/Microsoft-Virtualization-Discussions/Failed-to-set-an-empty-SnapmirrorLabel-with-Set-NcSnapshotPolicySchedule-with/m-p/127565#M5231 <P>Funny, I went to my lab and tried that as well.</P><P>&nbsp;</P><P>I used a `n and that blanked it out, but I can't figure out why I can't use "-"</P> Tue, 31 Jan 2017 18:18:38 GMT https://community.netapp.com/t5/Microsoft-Virtualization-Discussions/Failed-to-set-an-empty-SnapmirrorLabel-with-Set-NcSnapshotPolicySchedule-with/m-p/127565#M5231 JGPSHNTAP 2017-01-31T18:18:38Z https://community.netapp.com/t5/Microsoft-Virtualization-Discussions/Failed-to-set-an-empty-SnapmirrorLabel-with-Set-NcSnapshotPolicySchedule-with/m-p/127618#M5236 <P>Hi&nbsp;<A href="https://community.netapp.com/t5/user/viewprofilepage/user-id/11560" target="_self"><SPAN class="login-bold">JGPSHNTAP</SPAN></A></P><P>&nbsp;</P><P>Thanks for the tips</P><P>It not exactly the same result as snapmirror label "-"</P><P>Because in that case the snapmirror label is not empty, but it contains "`n"</P><P>But in the same time does a snapmirror label with "-" is an "empty" snapmirror label?</P><P>&nbsp;</P><P>TIA</P><P>&nbsp;</P><P>Regards</P><P>&nbsp;</P> Wed, 01 Feb 2017 09:57:59 GMT https://community.netapp.com/t5/Microsoft-Virtualization-Discussions/Failed-to-set-an-empty-SnapmirrorLabel-with-Set-NcSnapshotPolicySchedule-with/m-p/127618#M5236 masson 2017-02-01T09:57:59Z https://community.netapp.com/t5/Microsoft-Virtualization-Discussions/Failed-to-set-an-empty-SnapmirrorLabel-with-Set-NcSnapshotPolicySchedule-with/m-p/127623#M5237 <P>Well, what's interesting is I just fed in `n = new line in powershell. &nbsp;I tried what you did with - but it told me - isn't valid. &nbsp;Then I asked myself why did it show me that - with the policy with no label.</P><P>&nbsp;</P><P>I also tried $null, no dice.</P><P>&nbsp;</P><P>I think it's a bug and should be fixed &nbsp;"" should work</P> Wed, 01 Feb 2017 11:40:01 GMT https://community.netapp.com/t5/Microsoft-Virtualization-Discussions/Failed-to-set-an-empty-SnapmirrorLabel-with-Set-NcSnapshotPolicySchedule-with/m-p/127623#M5237 JGPSHNTAP 2017-02-01T11:40:01Z