Notes - Revision history

Kenneth: /* FOG Project */

2024-02-10T01:29:54Z

FOG Project

@@ Line 14: / Line 14: @@
   Advanced Boot Menu
   https://docs.fogproject.org/en/latest/kb/customization/advanced-boot-menu/
 == MAAS DHCP Notes ==

Kenneth: /* FOG Project */

2024-02-10T01:21:43Z

FOG Project

← Older revision		Revision as of 01:21, 10 February 2024
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	FOG Documentation		FOG Documentation
	https://docs.fogproject.org/en/latest		https://docs.fogproject.org/en/latest

			Advanced Boot Menu
			https://docs.fogproject.org/en/latest/kb/customization/advanced-boot-menu/

	== MAAS DHCP Notes ==		== MAAS DHCP Notes ==

Kenneth: /* FOG Project */

2024-02-10T01:18:58Z

FOG Project

← Older revision		Revision as of 01:18, 10 February 2024
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	FOG Wiki		FOG Wiki
	https://wiki.fogproject.org/wiki		https://wiki.fogproject.org/wiki

			FOG Documentation
			https://docs.fogproject.org/en/latest

	== MAAS DHCP Notes ==		== MAAS DHCP Notes ==

Kenneth: /* 2024.02.06 */

2024-02-10T01:08:30Z

2024.02.06

← Older revision		Revision as of 01:08, 10 February 2024
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	= 2024.02.06 =		= 2024.02.06 =

			== FOG Project ==

			A free open-source network computer cloning and management solution
			https://fogproject.org/

			FOG Wiki
			https://wiki.fogproject.org/wiki

	== MAAS DHCP Notes ==		== MAAS DHCP Notes ==

Kenneth: /* 2024.02.06 */

2024-02-10T00:13:50Z

2024.02.06

← Older revision		Revision as of 00:13, 10 February 2024
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	= 2024.02.06 =		= 2024.02.06 =

			== MAAS DHCP Notes ==

			How do I modify the pxe config in MAAS? - Ask Ubuntu
			https://askubuntu.com/questions/130772/how-do-i-modify-the-pxe-config-in-maas

			iPXE can't boot UEFI mode via USB key - Printable Version
			https://forum.ipxe.org/printthread.php?tid=13245

	== MAAS DHCP ==		== MAAS DHCP ==

Kenneth: /* MAAS Windows */

2024-02-06T16:47:54Z

MAAS Windows

← Older revision		Revision as of 16:47, 6 February 2024
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	Creating a MAAS Image Builder Server (Windows Server 2022 example) — Crying Cloud		Creating a MAAS Image Builder Server (Windows Server 2022 example) — Crying Cloud
	https://www.cryingcloud.com/blog/2022/10/19/create-azure-stack-hci-images-for-use-with-maas		https://www.cryingcloud.com/blog/2022/10/19/create-azure-stack-hci-images-for-use-with-maas

			MAAS \| How to customise images
			https://maas.io/docs/customising-images-for-specific-needs

	= 2024.01.20 =		= 2024.01.20 =

Kenneth: /* MAAS DHCP */

2024-02-06T16:46:45Z

MAAS DHCP

← Older revision		Revision as of 16:46, 6 February 2024
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	}		}
	</pre>		</pre>

			Although this site references 'grubx64.efi' - https://discourse.maas.io/t/arm-and-uefi-clients-dont-get-boot-from-maas/7831

	=== MAAS Preesed ===		=== MAAS Preesed ===
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	Additional Configuration — MAAS 1.6 documentation		Additional Configuration — MAAS 1.6 documentation
	http://web.archive.org/web/20140705024900/http://maas.ubuntu.com/docs/configure.html		http://web.archive.org/web/20140705024900/http://maas.ubuntu.com/docs/configure.html

			=== MAAS Windows ===

			Creating a MAAS Image Builder Server (Windows Server 2022 example) — Crying Cloud
			https://www.cryingcloud.com/blog/2022/10/19/create-azure-stack-hci-images-for-use-with-maas

	= 2024.01.20 =		= 2024.01.20 =

Kenneth: /* 2024.01.20 */

2024-02-06T16:29:17Z

2024.01.20

← Older revision		Revision as of 16:29, 6 February 2024
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			= 2024.02.06 =

			== MAAS DHCP ==

			networking - How do I use MAAS and Juju with an existing DHCP server? - Ask Ubuntu
			https://askubuntu.com/questions/427030/how-do-i-use-maas-and-juju-with-an-existing-dhcp-server

			<pre>
			subnet 192.168.2.0 netmask 255.255.255.0 {
			range 192.168.2.128 192.168.2.254;
			option routers 192.168.2.1;
			filename "/pxelinux.0";
			}
			</pre>

			next-server

			---

			Additional Configuration — MAAS 1.6 documentation
			http://web.archive.org/web/20140705024900/http://maas.ubuntu.com/docs/configure.html

			<pre>
			subnet 192.168.122.0 netmask 255.255.255.0 {
			filename "pxelinux.0";
			option subnet-mask 255.255.255.0;
			option broadcast-address 192.168.122.255;
			option domain-name-servers 192.168.122.136;
			range dynamic-bootp 192.168.122.5 192.168.122.135;
			}
			</pre>

			---

			MaaS with an external DHCP server (EdgeMax)
			https://portegi.es/blog/maas-1

			<pre>
			bootfile-name bootx64.efi
			bootfile-server 192.168.4.118
			subnet-parameters "filename "bootx64.efi";"
			tftp-server-name 192.168.4.118
			</pre>

			based on /var/lib/maas/dhcpd.conf you get...

			<pre>
			#
			# Bootloaders
			#
			if option arch = 00:00 {
			# pxe
			filename "pxelinux.0";
			} elsif option arch = 00:07 {
			# uefi_amd64
			filename "bootx64.efi";
			} elsif option arch = 00:09 {
			# uefi_amd64
			filename "bootx64.efi";
			} elsif option arch = 00:0B {
			# uefi_arm64
			filename "grubaa64.efi";
			} elsif option arch = 00:0C {
			# open-firmware_ppc64el
			filename "bootppc64.bin";
			} elsif option arch = 00:0E {
			# powernv
			filename "pxelinux.0";
			option path-prefix "ppc64el/";
			} else {
			# pxe
			filename "pxelinux.0";
			}
			</pre>

			=== MAAS Preesed ===

			/etc/maas/preseeds/generic
			/etc/maas/preseeds/preseed-master

			ref:
			Additional Configuration — MAAS 1.6 documentation
			http://web.archive.org/web/20140705024900/http://maas.ubuntu.com/docs/configure.html

	= 2024.01.20 =		= 2024.01.20 =

Kenneth: Created page with "= 2024.01.20 = == Redudnant NFS == Ubuntu 22 LTS Create a Highly Available NFS Service with Gluster and Oracle Linux https://docs.oracle.com/en/learn/ol-ha-nfs/index.html apt remove nfs-kernel-server apt update apt install -y corosync glusterfs-cli glusterfs-server nfs-ganesha-gluster pacemaker pcs pcp-zeroconf fence-agents Create an XFS filesystem: sudo mkfs.xfs -f -i size=512 -L gluster-000 /dev/sdb Create Mountpoint: sudo mkdir -p /data/gfs echo 'LABEL=..."

2024-01-21T20:47:31Z

Created page with "= 2024.01.20 = == Redudnant NFS == Ubuntu 22 LTS Create a Highly Available NFS Service with Gluster and Oracle Linux https://docs.oracle.com/en/learn/ol-ha-nfs/index.html apt remove nfs-kernel-server apt update apt install -y corosync glusterfs-cli glusterfs-server nfs-ganesha-gluster pacemaker pcs pcp-zeroconf fence-agents Create an XFS filesystem: sudo mkfs.xfs -f -i size=512 -L gluster-000 /dev/sdb Create Mountpoint: sudo mkdir -p /data/gfs echo 'LABEL=..."

New page

= 2024.01.20 =

== Redudnant NFS ==

Ubuntu 22 LTS

Create a Highly Available NFS Service with Gluster and Oracle Linux
https://docs.oracle.com/en/learn/ol-ha-nfs/index.html

apt remove nfs-kernel-server

apt update
apt install -y corosync glusterfs-cli glusterfs-server nfs-ganesha-gluster pacemaker pcs pcp-zeroconf fence-agents

Create an XFS filesystem:
sudo mkfs.xfs -f -i size=512 -L gluster-000 /dev/sdb

Create Mountpoint:
sudo mkdir -p /data/gfs
echo 'LABEL=gluster-000 /data/gfs xfs defaults 0 0' | sudo tee -a /etc/fstab > /dev/null
sudo mount /data/gfs

Start Gluster Service (on all nodes):
sudo systemctl enable --now glusterd

Add nodes to Cluster (from any node in the pool, or initial node of 1):
sudo gluster peer probe [node2]
sudo gluster peer probe [nodeX...]

If you need to remove a node:
sudo gluster detach [node]

Get Glsuter Status: (check from each node, and make sure all nodes are communicating)
gluster pool list
gluster peer status

Create a Gluster shared volume: (from any node)
sudo gluster volume create sharedvol replica 3 node{1,2,3}:/data/gfs/brick

Create 2 way replicated distributed volume:
sudo gluster volume create [MYGFS] replica 2 node{1,2,3,4,5,6}:/data/gfs/brick

sudo gluster volume create mygfs replica 2 lmt-store-0{2,3,4,5,6,7}.ess.lab:/data/gfs/brick

NOTE: Replica 2 volumes are prone to split-brain. Use Arbiter or Replica 3 to avoid this. See:
http://docs.gluster.org/en/latest/Administrator-Guide/Split-brain-and-ways-to-deal-with-it/

sudo gluster volume create mygfs replica 3 lmt-store-0{2,3,4,5,6,7}.ess.lab:/data/gfs/brick

To reduce storage requirements you can use a Arbiter for the 3rd: <ref>https://docs.oracle.com/en/operating-systems/oracle-linux/gluster-storage/gluster-using.html#4.1.3-Creating-Distributed-Replicated-Volumes</ref>
# Creating a replicated volume with an arbiter
sudo gluster volume create myvolume replica 3 arbiter 1 node{1,2,3}:/data/glusterfs/myvolume/mybrick/brick

# Creating a distributed replicated volume with one brick on six nodes with an arbiter
sudo gluster volume create myvolume replica 3 arbiter 1 node{1..6}:/data/glusterfs/myvolume/mybrick/brick

Different distribution and repliation styles [https://docs.oracle.com/en/operating-systems/oracle-linux/gluster-storage/gluster-using.html#4.1-Creating-Volumes]

Four Node Distributed Replicated Volume with a Two-way Replication: [https://access.redhat.com/documentation/en-us/red_hat_gluster_storage/3.1/html/administration_guide/sect-creating_distributed_replicated_volumes]
gluster volume create test-volume replica 2 transport tcp server1:/exp1/brick server2:/exp2/brick server3:/exp3/brick server4:/exp4/brick

Six Node Distributed Replicated Volume with a Two-way Replication: [https://access.redhat.com/documentation/en-us/red_hat_gluster_storage/3.1/html/administration_guide/sect-creating_distributed_replicated_volumes]
gluster volume create test-volume replica 2 transport tcp server1:/exp1/brick server2:/exp2/brick server3:/exp3/brick server4:/exp4/brick server5:/exp5/brick server6:/exp6/brick

Get volume info:
gluster volume info

If you wish to enable NFS (not recommended, use NFS-Ganesha instead): <ref>https://access.redhat.com/documentation/en-us/red_hat_gluster_storage/3.4/html/administration_guide/nfs#gluster_nfs</ref>
WARNING: Gluster NFS is being deprecated in favor of NFS-Ganesha

gluster volume set [VOLNAME] nfs.disable off

# to set NFS ACLs:
gluster volume set [VOLNAME] nfs.acl on

Enable volume (this will change "Status: Created" to "Status: Started"): (from any node)
gluster volume start [VOLUMENAME]

Get Volume Status:
gluster volume status

---

Setting Up Volumes - Gluster Docs - Volume Types (Distributed / Replicated / Disperesed)
https://docs.gluster.org/en/main/Administrator-Guide/Setting-Up-Volumes/#creating-distributed-replicated-volumes

'''Volume Types'''
Volumes of the following types can be created in your storage environment:

* '''Distributed''' - Distributed volumes distribute files across the bricks in the volume. You can use distributed volumes where the requirement is to scale storage and the redundancy is either not important or is provided by other hardware/software layers.

* '''Replicated''' – Replicated volumes replicate files across bricks in the volume. You can use replicated volumes in environments where high-availability and high-reliability are critical.

* '''Distributed Replicated''' - Distributed replicated volumes distribute files across replicated bricks in the volume. You can use distributed replicated volumes in environments where the requirement is to scale storage and high-reliability is critical. Distributed replicated volumes also offer improved read performance in most environments.

* '''Dispersed''' - Dispersed volumes are based on erasure codes, providing space-efficient protection against disk or server failures. It stores an encoded fragment of the original file to each brick in a way that only a subset of the fragments is needed to recover the original file. The number of bricks that can be missing without losing access to data is configured by the administrator on volume creation time.

* '''Distributed Dispersed''' - Distributed dispersed volumes distribute files across dispersed subvolumes. This has the same advantages of distribute replicate volumes, but using disperse to store the data into the bricks.

---

NFS-Ganesha

/etc/ganesha/ganesha.conf :
<pre>
EXPORT{
Export_Id = 1 ; # Unique identifier for each EXPORT (share)
Path = "/sharedvol"; # Export path of our NFS share

FSAL {
name = GLUSTER; # Backing type is Gluster
hostname = "localhost"; # Hostname of Gluster server
volume = "sharedvol"; # The name of our Gluster volume
}

Access_type = RW; # Export access permissions
Squash = No_root_squash; # Control NFS root squashing
Disable_ACL = FALSE; # Enable NFSv4 ACLs
Pseudo = "/sharedvol"; # NFSv4 pseudo path for our NFS share
Protocols = "3","4" ; # NFS protocols supported
Transports = "UDP","TCP" ; # Transport protocols supported
SecType = "sys"; # NFS Security flavors supported
}
</pre>

systemctl status nfs-ganesha

systemctl restart nfs-ganesha

---

Mount directly:

sudo apt-get install glusterfs-client

mount -t glusterfs nodes[x]:/mygfs /mnt

Allow from all machines, or specify IPs comman seperated:
sudo gluster volume set volume1 auth.allow *

---

Many many more exmaples:

Oracle® Linux Gluster Storage for Oracle Linux User's Guide - Chapter 4 Creating and Managing Volumes
https://docs.oracle.com/en/operating-systems/oracle-linux/gluster-storage/gluster-using.html#4.3.1-Using-the-Volume-Status-Command

== keywords ==