topic Re: Manual Deduplication in ONTAP Discussions https://community.netapp.com/t5/ONTAP-Discussions/Manual-Deduplication/m-p/63606#M14980 <HTML><HEAD></HEAD><BODY><P>The default dedupe schedule is daily at midnight.&nbsp; You're 100% certain it's not running each night?</P><P></P><P>Note: this is different from auto, which takes measurements of duplicate blocks and runs after it passes a certain threshold.</P></BODY></HTML> Wed, 06 Jun 2012 19:18:51 GMT GTNDADABO 2012-06-06T19:18:51Z Manual Deduplication https://community.netapp.com/t5/ONTAP-Discussions/Manual-Deduplication/m-p/63601#M14978 <HTML><HEAD></HEAD><BODY><P><SPAN style="font-family: calibri,verdana,arial,sans-serif; font-size: 12pt;">Hi All,</SPAN></P><P></P><P><SPAN style="font-family: calibri,verdana,arial,sans-serif; font-size: 12pt;">I have configured two LUNS in the same volume, each one of these LUNS are mounted on two Windows Hosts respectively, both are thin provisioned and have identical data (gets replicated to each other).</SPAN></P><P></P><P><SPAN style="font-family: calibri,verdana,arial,sans-serif; font-size: 12pt;">I enabled Dedup on the volume and did a FULL Manual Dedup run ; it saved 50% of storage space - Thats good for us ; as this was a manual dedup run and nothing is scheduled ; after a couple of days I noticed that it's showing a SPACE Saving of 60% ? even though the last dedup run was the same day / time I had executed it ? </SPAN></P><P></P><P><SPAN style="font-family: calibri,verdana,arial,sans-serif; font-size: 12pt;">Q : How is this working ? is it deduping as data comes in ? I haven't checked the AUTO setting.</SPAN></P><P></P><P><SPAN style="font-family: calibri,verdana,arial,sans-serif; font-size: 12pt;">Would be grateful to understand this better...</SPAN></P><P></P><P><SPAN style="font-family: calibri,verdana,arial,sans-serif; font-size: 12pt;">thanks</SPAN></P></BODY></HTML> Thu, 05 Jun 2025 06:25:50 GMT https://community.netapp.com/t5/ONTAP-Discussions/Manual-Deduplication/m-p/63601#M14978 NETAPPORATI 2025-06-05T06:25:50Z Re: Manual Deduplication https://community.netapp.com/t5/ONTAP-Discussions/Manual-Deduplication/m-p/63606#M14980 <HTML><HEAD></HEAD><BODY><P>The default dedupe schedule is daily at midnight.&nbsp; You're 100% certain it's not running each night?</P><P></P><P>Note: this is different from auto, which takes measurements of duplicate blocks and runs after it passes a certain threshold.</P></BODY></HTML> Wed, 06 Jun 2012 19:18:51 GMT https://community.netapp.com/t5/ONTAP-Discussions/Manual-Deduplication/m-p/63606#M14980 GTNDADABO 2012-06-06T19:18:51Z