ZFS BACKUP SLOW THROUGHPUT
- 6 years ago
Thanks Marianne.
I checked the NFS configuration in the Master Server and compared it to another Master Server with the same ZFS backup solution. I found there were missing options:
root@uxvtbck1 # more /vfstab
/vfstab: No such file or directory
root@uxvtbck1 # more vfstab
#device device mount FS fsck mount mount
#to mount to fsck point type pass at boot options
#
/devices - /devices devfs - no -
/proc - /proc proc - no -
ctfs - /system/contract ctfs - no -
objfs - /system/object objfs - no -
sharefs - /etc/dfs/sharetab sharefs - no -
fd - /dev/fd fd - no -
swap - /tmp tmpfs - yes -/dev/zvol/dsk/rpool/swap - - swap - no -
192.168.10.50:/export/respaldo1 - /respaldo1 nfs - yes rw,bg,hard,nointr,rsize=1048576,wsize=1048576,proto=tcp,vers=3,forcedirectio
192.168.10.51:/export/respaldo2 - /respaldo2 nfs - yes rw,bg,hard,nointr,rsize=1048576,wsize=1048576,proto=tcp,vers=3,forcedirectio
192.168.10.50:/export/respaldo3 - /respaldo3 nfs - yes rw,bg,hard,nointr,rsize=1048576,wsize=1048576,proto=tcp,vers=3,forcedirectio
192.168.10.51:/export/respaldo4 - /respaldo4 nfs - yes rw,bg,hard,nointr,rsize=1048576,wsize=1048576,proto=tcp,vers=3,forcedirectio
192.168.10.50:/export/respaldo5 - /respaldo5 nfs - yes rw,bg,hard,nointr,rsize=1048576,wsize=1048576,proto=tcp,vers=3,forcedirectio
192.168.10.51:/export/respaldo6 - /respaldo6 nfs - yes rw,bg,hard,nointr,rsize=1048576,wsize=1048576,proto=tcp,vers=3,forcedirectio
192.168.10.50:/export/respaldo7 - /respaldo7 nfs - yes rw,bg,hard,nointr,rsize=1048576,wsize=1048576,proto=tcp,vers=3,forcedirectio
192.168.10.51:/export/respaldo8 - /respaldo8 nfs - yes rw,bg,hard,nointr,rsize=1048576,wsize=1048576,proto=tcp,vers=3,forcedirectioThe missing options were proto=tcp,vers=3,forcedirectio
These options were added to the /etc/vfstab file of the Master Server. Before that, the ZFS mount points were unmounted. After the configuration these mount points were mounted again.
I'm running a full backup right now. The throughput is 138 Mb/sec. The backups run faster.