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Prerequisites for deployment
01/28/2023
Contributors
You have to install and configure the necessary protocol prerequisites on your host before you can deploy Astra Trident.
Verify the requirements
Verify that your deployment meets all of the requirements .
Verify that you have a supported version of Docker installed. If your Docker version is out of date, install or update it .
Verify that the protocol prerequisites are installed and configured on your host:
Protocol
Operating system
Commands
NFS
sudo yum install -y nfs-utils
NFS
sudo apt-get install -y nfs-common
iSCSI
Install the following system packages:
sudo yum install -y lsscsi iscsi-initiator-utils sg3_utils device-mapper-multipath
Check that iscsi-initiator-utils version is 6.2.0.874-2.el7 or later:
rpm -q iscsi-initiator-utils
Set scanning to manual:
sudo sed -i 's/^\(node.session.scan\).*/\1 = manual/' /etc/iscsi/iscsid.conf
Enable multipathing:
sudo mpathconf --enable --with_multipathd y --find_multipaths n
Ensure etc/multipath.conf
contains find_multipaths no
under defaults
.
Ensure that iscsid
and multipathd
are running:
sudo systemctl enable --now iscsid multipathd
Enable and start iscsi
:
sudo systemctl enable --now iscsi
iSCSI
Install the following system packages:
sudo apt-get install -y open-iscsi lsscsi sg3-utils multipath-tools scsitools
Check that open-iscsi version is 2.0.874-5ubuntu2.10 or later (for bionic) or 2.0.874-7.1ubuntu6.1 or later (for focal):
Set scanning to manual:
sudo sed -i 's/^\(node.session.scan\).*/\1 = manual/' /etc/iscsi/iscsid.conf
Enable multipathing:
sudo tee /etc/multipath.conf <←'EOF'
defaults {
user_friendly_names yes
find_multipaths no
}
EOF
sudo systemctl enable --now multipath-tools.service
sudo service multipath-tools restart
Ensure etc/multipath.conf
contains find_multipaths no
under defaults
.
Ensure that open-iscsi
and multipath-tools
are enabled and running:
sudo systemctl status multipath-tools
sudo systemctl enable --now open-iscsi.service
sudo systemctl status open-iscsi