https://community.netapp.com/t5/ONTAP-Discussions/Does-it-lost-data-when-convert-raid-dp-to-raid-4/m-p/100283#M20369 <P>Hello</P><P>When you change an aggregate's RAID level from RAID-DP to RAID4, the extra parity disks are converted to spares. In addition, the <SPAN class="keyword option">raidsize</SPAN> option is changed.</P><P>So normally it does'nt affect data consistency.</P> Fri, 06 Feb 2015 09:17:18 GMT raef_mansour 2015-02-06T09:17:18Z https://community.netapp.com/t5/ONTAP-Discussions/Does-it-lost-data-when-convert-raid-dp-to-raid-4/m-p/100184#M20361 <P>Hi,</P><P>&nbsp;</P><P>I have to convert raid dp back to raid 4, which I have some aggrs, vols, luns and data on it. So do I lost my data after converting from raid dp to raid 4 ? I'm using cluster data ontap 8</P><P>&nbsp;</P><P>Thank you.</P> Thu, 05 Jun 2025 05:09:53 GMT https://community.netapp.com/t5/ONTAP-Discussions/Does-it-lost-data-when-convert-raid-dp-to-raid-4/m-p/100184#M20361 thienannt 2025-06-05T05:09:53Z https://community.netapp.com/t5/ONTAP-Discussions/Does-it-lost-data-when-convert-raid-dp-to-raid-4/m-p/100283#M20369 <P>Hello</P><P>When you change an aggregate's RAID level from RAID-DP to RAID4, the extra parity disks are converted to spares. In addition, the <SPAN class="keyword option">raidsize</SPAN> option is changed.</P><P>So normally it does'nt affect data consistency.</P> Fri, 06 Feb 2015 09:17:18 GMT https://community.netapp.com/t5/ONTAP-Discussions/Does-it-lost-data-when-convert-raid-dp-to-raid-4/m-p/100283#M20369 raef_mansour 2015-02-06T09:17:18Z