# NFS Server ### Structure

NAME	MAJ:MIN	RM	SIZE	RO	TYPE	MOUNTPOINTS
sdb	8:16	0	3.6T	0	disk
└─ hdds-datas	253:0	0	7.3T	0	lvm	/export/media
						/srv/dev-disk-by-uuid-a67ae390-f36c-4b7c-98a0-4a3b5601c107
sdc	8:32	0	3.6T	0	disk
└─ hdds-datas	253:0	0	7.3T	0	lvm	/export/media
						/srv/dev-disk-by-uuid-a67ae390-f36c-4b7c-98a0-4a3b5601c107

```bash apt install -y lvm2 ``` ### Disks ```bash fdisk -l ``` ``` Disk /dev/sdb: 3.64 TiB, 4000787030016 bytes, 7814037168 sectors Disk model: ST4000VN006-3CW1 Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 4096 bytes Disk /dev/sdc: 3.64 TiB, 4000787030016 bytes, 7814037168 sectors Disk model: ST4000VN006-3CW1 Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 4096 bytes Disk /dev/mapper/hdds-datas: 7.28 TiB, 8001566015488 bytes, 15628058624 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 4096 bytes ``` ### LVM #### Physical Volumes (partitions) ``` pvcreate /dev/sdb pvcreate /dev/sdc ``` #### Volume Group ``` vgcreate hdds /dev/sdb /dev/sdc ``` #### Logical Volume(s) ``` lvcreate --extents 100%FREE -n datas hdds ``` ``` pvdisplay ``` ``` --- Physical volume --- PV Name /dev/sdb VG Name hdds PV Size <3.64 TiB / not usable <3.84 MiB Allocatable yes (but full) PE Size 4.00 MiB Total PE 953861 Free PE 0 Allocated PE 953861 PV UUID zHiPKx-t2BO-15r3-xPfQ-DPlB-7K40-YxIdM1 --- Physical volume --- PV Name /dev/sdc VG Name hdds PV Size <3.64 TiB / not usable <3.84 MiB Allocatable yes (but full) PE Size 4.00 MiB Total PE 953861 Free PE 0 Allocated PE 953861 PV UUID bGAdMs-JsRy-6r3M-0zWt-CYQJ-GPsB-KCnCo6 ``` ```bash vgdisplay ``` ``` --- Volume group --- VG Name hdds System ID Format lvm2 Metadata Areas 2 Metadata Sequence No 6 VG Access read/write VG Status resizable MAX LV 0 Cur LV 1 Open LV 1 Max PV 0 Cur PV 2 Act PV 2 VG Size <7.28 TiB PE Size 4.00 MiB Total PE 1907722 Alloc PE / Size 1907722 / <7.28 TiB Free PE / Size 0 / 0 VG UUID DPZPo2-OwJt-R1wG-wJRB-HD38-JeVl-5ZFfnI ``` ``` lvdisplay ``` ``` --- Logical volume --- LV Path /dev/hdds/datas LV Name data VG Name hdds LV UUID qgdjwr-9Aau-p4mj-rksl-IeBB-SjD1-z6hede LV Write Access read/write LV Creation host, time polito, 2023-08-01 10:10:14 +0200 LV Status available # open 0 LV Size <7.28 TiB Current LE 1907722 Segments 2 Allocation inherit Read ahead sectors auto - currently set to 256 Block device 254:0 ``` #### Format LV ```bash sudo mkfs.ext4 /dev/hdds/datas ``` ### NFS ``` # mkdir -p /mnt/data/cloud # mkdir -p /mnt/data/gitea # mkdir -p /mnt/data/jellystack # mkdir -p /mnt/data/media sudo vim /etc/exports ``` ``` # /etc/exports: the access control list for filesystems which may be exported to NFS clients. See exports(5). # # Example for NFSv2 and NFSv3: # /srv/homes hostname1(rw,sync,no_subtree_check) hostname2(ro,sync,no_subtree_check) # # Example for NFSv4: # /srv/nfs4 gss/krb5i(rw,sync,fsid=0,crossmnt,no_subtree_check) # /srv/nfs4/homes gss/krb5i(rw,sync,no_subtree_check) # # /export 192.168.1.0/24(rw,no_root_squash,no_subtree_check) /export/cloud 192.168.1.0/24(rw,sync,no_root_squash,subtree_check,insecure) /export/gitea 192.168.1.0/24(rw,sync,no_root_squash,subtree_check,insecure) /export/jellystack 192.168.1.0/24(rw,sync,no_root_squash,subtree_check,insecure) /export/media 192.168.1.0/24(rw,sync,no_root_squash,subtree_check,insecure) ``` ```bash sudo systemctl restart nfs-server ``` ##### Get LVM's UUID ```bash sudo blkid -s UUID -o value /dev/mapper/hdds-datas ``` ##### Mount LVM ``` sudo vim /etc/fstab ``` ``` # LVM UUID=0c390345-ca52-45fd-9097-6e931d651a8f / ext4 defaults,x-systemd.growfs 0 1 # LVM /dev/hdds/datas /mnt/data ext4 defaults,nofail,user_xattr,usrjquota=aquota.user,grpjquota=aquota.group,jqfmt=vfsv0,acl 0 2 # NFS exports /mnt/data/cloud /srv/nfs4/cloud none bind,nofail 0 0 /mnt/data/media /srv/nfs4/media none bind,nofail 0 0 /mnt/data/ebooks /srv/nfs4/ebooks none bind,nofail 0 0 /mnt/data/git /srv/nfs4/git none bind,nofail 0 0 /mnt/data/photos /srv/nfs4/photos none bind,nofail 0 0 /mnt/data/downloads /srv/nfs4/downloads none bind,nofail 0 0 /opt/backups /srv/nfs4/backups none bind,nofail 0 0 ``` **PS : Check the content of /var/lib/nfs/etab to show NFS shares list and all the applied permission details** ```bash cat /var/lib/nfs/etab ``` ```shell /srv/nfs4 192.168.1.0/24(rw,sync,no_subtree_check,crossmnt,fsid=0) /srv/nfs4/cloud 192.168.1.0/24(rw,sync,wdelay,hide,nocrossmnt,insecure,no_root_squash,no_all_squash,subtree_check,secure_locks,acl,no_pnfs,anonuid=65534,anongid=65534,sec=sys,rw,insecure,no_root_squash,no_all_squash) /srv/nfs4/media 192.168.1.0/24(rw,sync,wdelay,hide,nocrossmnt,insecure,no_root_squash,no_all_squash,subtree_check,secure_locks,acl,no_pnfs,anonuid=65534,anongid=65534,sec=sys,rw,insecure,no_root_squash,no_all_squash) /srv/nfs4/ebooks 192.168.1.0/24(rw,sync,wdelay,hide,nocrossmnt,insecure,no_root_squash,no_all_squash,subtree_check,secure_locks,acl,no_pnfs,anonuid=65534,anongid=65534,sec=sys,rw,insecure,no_root_squash,no_all_squash) /srv/nfs4/git 192.168.1.0/24(rw,sync,wdelay,hide,nocrossmnt,insecure,no_root_squash,no_all_squash,subtree_check,secure_locks,acl,no_pnfs,anonuid=65534,anongid=65534,sec=sys,rw,insecure,no_root_squash,no_all_squash) /srv/nfs4/photos 192.168.1.0/24(rw,sync,wdelay,hide,nocrossmnt,insecure,no_root_squash,no_all_squash,subtree_check,secure_locks,acl,no_pnfs,anonuid=65534,anongid=65534,sec=sys,rw,insecure,no_root_squash,no_all_squash) /srv/nfs4/downloads 192.168.1.0/24(rw,sync,wdelay,hide,nocrossmnt,insecure,no_root_squash,no_all_squash,subtree_check,secure_locks,acl,no_pnfs,anonuid=65534,anongid=65534,sec=sys,rw,insecure,no_root_squash,no_all_squash) /srv/nfs4/backups 192.168.1.0/24(ro,sync,no_subtree_check) ``` #### Client(s) ```bash sudo apt install nfs-common -y sudo mkdir -p /nfs/jellystack sudo mkdir -p /nfs/cloud sudo mkdir -p /nfs/gitea sudo mkdir -p /nfs/media sudo vim /etc/fstab ``` ```shell krabs:/srv/nfs4/cloud /nfs/media nfs _netdev,x-systemd.automount,noauto,nofail,noatime,nolock,tcp,bg,actimeo=1800 0 0 krabs:/srv/nfs4/git /nfs/git nfs _netdev,x-systemd.automount,noauto,nofail,noatime,nolock,tcp,bg,actimeo=1800 0 0 krabs:/srv/nfs4/media /nfs/media nfs _netdev,x-systemd.automount,noauto,nofail,noatime,nolock,tcp,bg,actimeo=1800 0 0 krabs:/srv/nfs4/ebooks /nfs/ebooks nfs _netdev,x-systemd.automount,noauto,nofail,noatime,nolock,tcp,bg,actimeo=1800 0 0 ``` ```bash sudo mount /nfs/cloud sudo mount /nfs/gitea sudo mount /nfs/jellystack sudo mount /nfs/media sudo systemctl daemon-reload ```