topic Re: &quot;I/O error occurred&quot; when writing to NFS in Network and Storage Protocols https://community.netapp.com/t5/Network-and-Storage-Protocols/quot-I-O-error-occurred-quot-when-writing-to-NFS/m-p/72733#M6607 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>It seems like you don't have your volumes exported "rw" and "root" to your NFS clients/VMWare hosts.&nbsp; Read the exportfs manpage to see what the exported mounting rights are... 'exportfs -c ...'</P></BODY></HTML> Sun, 08 May 2011 22:11:56 GMT shaunjurr 2011-05-08T22:11:56Z "I/O error occurred" when writing to NFS https://community.netapp.com/t5/Network-and-Storage-Protocols/quot-I-O-error-occurred-quot-when-writing-to-NFS/m-p/72729#M6606 <HTML><HEAD></HEAD><BODY><P>Using a FAS270C filer with QTree and NFS exports open.&nbsp;&nbsp; NFS mounts fine on VCenter, but seems to be write only.&nbsp; CIFS share works fine as well.&nbsp; I can download files on NFS share to desktop, but when I try to upload anything to it I get a "I/O error occurred error".&nbsp; I read some information about jumbo frames fixing this, but we do not have jumbo frames configured on any of our devices.&nbsp; I am using 7.3.5.1 DataOntap.</P><P></P><P>If anyone has seen this error before and came across a fix, please let me know.&nbsp; Thanks.</P></BODY></HTML> Thu, 05 Jun 2025 06:55:15 GMT https://community.netapp.com/t5/Network-and-Storage-Protocols/quot-I-O-error-occurred-quot-when-writing-to-NFS/m-p/72729#M6606 jprobertson 2025-06-05T06:55:15Z Re: "I/O error occurred" when writing to NFS https://community.netapp.com/t5/Network-and-Storage-Protocols/quot-I-O-error-occurred-quot-when-writing-to-NFS/m-p/72733#M6607 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>It seems like you don't have your volumes exported "rw" and "root" to your NFS clients/VMWare hosts.&nbsp; Read the exportfs manpage to see what the exported mounting rights are... 'exportfs -c ...'</P></BODY></HTML> Sun, 08 May 2011 22:11:56 GMT https://community.netapp.com/t5/Network-and-Storage-Protocols/quot-I-O-error-occurred-quot-when-writing-to-NFS/m-p/72733#M6607 shaunjurr 2011-05-08T22:11:56Z