topic LUN SPACE CONFUSION in ONTAP Hardware https://community.netapp.com/t5/ONTAP-Hardware/LUN-SPACE-CONFUSION/m-p/53698#M3801 <HTML><HEAD></HEAD><BODY><P>Hi All,</P><P></P><P>I have got an alert for my volume threshold reached as the space left on volume was only 12MB out of 107MB i have lun on top of this Volume which is of size 102MB, i have conveyed the client about this but he was telling the lun what he is using&nbsp; on the windows side it was showing 61.1 MB free , so could anyone please explain about this. </P><P></P><P>Thanks,</P><P>Nayab</P></BODY></HTML> Thu, 05 Jun 2025 06:19:31 GMT NAYABRASOOL 2025-06-05T06:19:31Z LUN SPACE CONFUSION https://community.netapp.com/t5/ONTAP-Hardware/LUN-SPACE-CONFUSION/m-p/53698#M3801 <HTML><HEAD></HEAD><BODY><P>Hi All,</P><P></P><P>I have got an alert for my volume threshold reached as the space left on volume was only 12MB out of 107MB i have lun on top of this Volume which is of size 102MB, i have conveyed the client about this but he was telling the lun what he is using&nbsp; on the windows side it was showing 61.1 MB free , so could anyone please explain about this. </P><P></P><P>Thanks,</P><P>Nayab</P></BODY></HTML> Thu, 05 Jun 2025 06:19:31 GMT https://community.netapp.com/t5/ONTAP-Hardware/LUN-SPACE-CONFUSION/m-p/53698#M3801 NAYABRASOOL 2025-06-05T06:19:31Z Re: LUN SPACE CONFUSION https://community.netapp.com/t5/ONTAP-Hardware/LUN-SPACE-CONFUSION/m-p/53702#M3802 <HTML><HEAD></HEAD><BODY><DIV><P>The figures don't match my theory 100%, but is your LUN space-reserved?</P><P></P><P>If it is, then all space is taken upfront from the volume, regardless of how much data is actually inside the LUN.</P><P></P><P>Regards,</P><P>Radek</P></DIV></BODY></HTML> Fri, 07 Sep 2012 14:09:02 GMT https://community.netapp.com/t5/ONTAP-Hardware/LUN-SPACE-CONFUSION/m-p/53702#M3802 radek_kubka 2012-09-07T14:09:02Z