NFS, iSCSI, GLUSTERFS y MPI

# tras clonar una VM le cambiamos nombre e IP

sudo dpkg-reconfigure console-setup ### aumentar tipo de letra

sudo hostnamectl set-hostname as3
sudo vi /etc/netplan/00-installer-config.yaml
sudo netplan apply

# nfs server
sudo apt update
sudo apt install -yq nfs-kernel-server
sudo mkdir /srv/nfs && chown nobody:nogroup /srv/nfs
sudo chown nobody:nogroup /srv/nfs
sudo bash -c "echo '/srv/nfs 10.10.10.142(rw,sync,no_subtree_check)'>>/etc/exports"
sudo exportfs -a
sudo service nfs-kernel-server restart
ls -l /srv/nfs/

# nfs client
sudo bash -c "echo '/srv/nfs 10.10.10.142(rw,sync,no_subtree_check)'>>/etc/exports"
sudo exportfs -a
sudo mount 10.10.10.141:/srv/nfs /mnt/nfs
cd /mnt/nfs/
touch hola

# iSCSI initiator client
sudo vi /etc/iscsi/iscsid.conf
iscsiadm -m node --login
sudo iscsiadm -m discovery -t sendtargets -p 10.10.10.142
sudo systemctl restart open-iscsi iscsid
sudo iscsiadm -m node -L all
lsblk
sudo iscsiadm --mode node --targetname iqn.2020-05.aslab4.com:lun01 --portal 10.10.10.142:3260 --login
lsblk
sudo mkdir /iscsi
cfdisk /dev/sdb
sudo cfdisk /dev/sdb
sudo mkfs.ext4 /dev/sdb1
mount /dev/sdb1 /iscsi
sudo mount /dev/sdb1 /iscsi
ls -l /iscsi

# iSCSI target (server)
sudo vi /etc/iscsi/iscsid.conf
sudo vi /etc/tgt/targets.conf
sudo vi /etc/tgt/conf.d/target01.conf
sudo systemctl restart tgt
sudo systemctl status tgt
sudo netstat -tlpn
sudo systemctl enable tgt
sudo tgtadm --mode target --op show
sudo tgtadm --lld iscsi --op bind --mode target --tid 1 -I ALL
cat /etc/iscsi/iscsid.conf
sudo tgtadm --mode target --op show

# GLUSTERFS client
sudo apt install glusterfs-client
sudo mkdir /glus
sudo mount -t glusterfs 10.10.10.142:/glustertest /glus
cd /glus
sudo touch hola
sudo mkdir /glus/aaaa

# GLUSTERFS servers
sudo apt install glusterfs-server
sudo systemctl enable --now glusterd
sudo systemctl status glusterd.service
sudo gluster peer probe 10.10.10.143
sudo mkdir /data
sudo gluster volume create glustertest replica 2 transport tcp 10.10.10.142:/data 10.10.10.143:/data force
sudo gluster volume start glustertest

ls -l /data

# Open MPI manager

ssh-keygen -t rsa
ssh-copy-id -i .ssh/id_rsa as@10.10.10.142
ssh as@10.10.10.142
ssh-copy-id -i .ssh/id_rsa as@10.10.10.143
ssh as@10.10.10.143

vi .mpi_hostfile

mkdir /home/as/mpi
sudo exportfs -a
cd mpi

vi pruebaMPI.c
mpicc pruebaMPI.c


# Open MPI workers

sudo apt-get install openmpi-bin openmpi-common libopenmpi3 libopenmpi-dev
sudo apt-get install nfs-common
mkdir mpi
sudo mount -t nfs 10.10.10.141:/home/as/mpi ~/mpi
ls -l mpi/


# Open MPI manager

mpirun -np 4 --hostfile ~/.mpi_hostfile ./a.out