LVM can do mirrored volumes if you just want to replicate data from sda to sdb. You'll need to add sdb to the fedora VG and then update your data volumes to be mirrored. https://www.centos.org/docs/5/html/Cluster_Logical_Volume_Manager/LV_create.html#mirror_create has instructions on how to create mirrored volumes and convert an existing volume to a mirrored configuration. On 06/14/2018 11:07 AM, Bob Goodwin wrote: > I assembled an NFS server about a month ago and it seems to work > properly, has been in use continuouslysince then ... > > However I installed two 3TB discs and only enabled /dev/sda. I would > like to simply copy data from time to time from /dev/sda to /dev/sdb. > > I cant work out how to accomplish this and am about at the point of > just moving the second disk into a works station and doing an rsync > occasionally for a back up. I would prefer to keep the /sda/sdb drive > in the server. Presently the server has in fstab: > > [bobg@ASRock-J3455M ~]$ cat /etc/fstab > > # > # /etc/fstab > # Created by anaconda on Thu Apr 12 16:33:43 2018 > # > # Accessible filesystems, by reference, are maintained under '/dev/disk' > # See man pages fstab(5), findfs(8), mount(8) and/or blkid(8) for more > info > # > /dev/mapper/fedora-root / ext4 defaults 1 1 > UUID=d9715d27-426c-4e6f-8741-ea052fe7bab2 /boot > ext4 defaults 1 2 > UUID=1128-BE6B /boot/efi vfat umask=0077,shortname=winnt 0 2 > /dev/mapper/fedora-home /home ext4 defaults 1 2 > /dev/mapper/fedora-swap swap > > and for exports: > > [bobg@ASRock-J3455M ~]$ cat /etc/exports > /home 192.168.1.0/24(rw,no_root_squash) > > #/exports/home > 192.168.1.0/24(rw,sync,insecure,no_root_squash,no_subtree_check,fsid=0) > > # /exports 192.168.1.0/255.255.255.0(ro,sync) > # /exports/home/public/192.168.1.0/255.255.255.0(rw,sync) > # /exports 192.168.54.0/255.255.255.0(ro,sync) > > Can anyone tell me what I need to do or point to an instruction for > tobe able to access the second disk? > > Bob > _______________________________________________ users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://getfedora.org/code-of-conduct.html List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/users@xxxxxxxxxxxxxxxxxxxxxxx/message/DMY3POF4PN77PFNN2RF64KDRACMR6EIA/
