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Oracle Linux: Mounting with Higher Values of 'rsize' and 'wsize' Options Results with Lower Values Mounted (Doc ID 2660599.1)

Last updated on MAY 20, 2021

Applies to:

Linux OS - Version Oracle Linux 7.7 and later
Linux x86-64

Symptoms

When trying to mount with a higher value of 1048576 rize/wsize its mounting with lower value 262144 rize/wsize  

# mount -t nfs -o vers=3,rsize=1048576,wsize=1048576 <NFS-SERVER.EXAMPLE.COM>:/home/storage/ /mnt/ -vvv
mount.nfs: timeout set for Tue Mar 24 17:46:11 2020
mount.nfs: trying text-based options 'vers=3,rsize=1048576,wsize=1048576,addr=<NFS-SERVER-IP>'
mount.nfs: prog 100003, trying vers=3, prot=6
mount.nfs: trying <NFS-SERVER-IP> prog 100003 vers 3 prot TCP port 2049
mount.nfs: prog 100005, trying vers=3, prot=17
mount.nfs: trying <NFS-SERVER-IP> prog 100005 vers 3 prot UDP port 20048
# mount |grep -i /mnt
<NFS-SERVER.EXAMPLE.COM>:/home/storage/ on /mnt type nfs (rw,relatime,vers=3,rsize=262144,wsize=262144,namlen=255,hard,proto=tcp,timeo=600,retrans=2,sec=sys,mountaddr=<NFS-SERVER-IP>,
mountvers=3,mountport=20048,mountproto=udp,local_lock=none,addr=<NFS-SERVER-IP>) 

 

Cause

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In this Document
Symptoms
Cause
Solution


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