ISCSI Raid and Clustered File Systems - Revision history

Sertonix: replace /etc/init.d with rc-service

2023-11-17T10:20:31Z

replace /etc/init.d with rc-service

← Older revision		Revision as of 10:20, 17 November 2023
Line 74:		Line 74:
	Start ocfs2 cluster		Start ocfs2 cluster

	~~/etc/init.d/~~o2cb start		rc-service o2cb start

	Run the following command only on one node.		Run the following command only on one node.
Line 82:		Line 82:
	Run the following command on both nodes.		Run the following command on both nodes.

	~~/etc/init.d/~~o2cb enable		rc-service o2cb enable

	mount /dev/sda1 /media/iscsi1		mount /dev/sda1 /media/iscsi1

Zcrayfish: /* iSCSI Target Config */ Removed reference to obsolete wikipage.

2023-09-03T09:56:17Z

iSCSI Target Config: Removed reference to obsolete wikipage.

← Older revision		Revision as of 09:56, 3 September 2023
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	== iSCSI Target Config ==		== iSCSI Target Config ==

	[https://scst.sourceforge.net/target_iscsi.html SCST] is recommended over [https://iscsitarget.sourceforge.net/ IET], due to bugfixes, performance and RFC compliance.		[https://scst.sourceforge.net/target_iscsi.html SCST] is recommended over [https://iscsitarget.sourceforge.net/ IET], due to bugfixes, performance and RFC compliance.
	~~For a detailed config how-to please look at [[High_performance_SCST_iSCSI_Target_on_Linux_software_Raid]]~~

	== Initiator Config ==		== Initiator Config ==

Sertonix: use https

2023-08-25T20:44:46Z

use https

← Older revision		Revision as of 20:44, 25 August 2023
Line 19:		Line 19:
	== iSCSI Target Config ==		== iSCSI Target Config ==

	[~~http~~://scst.sourceforge.net/target_iscsi.html SCST] is recommended over [~~http~~://iscsitarget.sourceforge.net/ IET], due to bugfixes, performance and RFC compliance.		[https://scst.sourceforge.net/target_iscsi.html SCST] is recommended over [https://iscsitarget.sourceforge.net/ IET], due to bugfixes, performance and RFC compliance.
	For a detailed config how-to please look at [[High_performance_SCST_iSCSI_Target_on_Linux_software_Raid]]		For a detailed config how-to please look at [[High_performance_SCST_iSCSI_Target_on_Linux_software_Raid]]

Leo: /* Initiator Config */

2020-02-12T09:37:12Z

Initiator Config

← Older revision		Revision as of 09:37, 12 February 2020
Line 62:		Line 62:
	Load modules:		Load modules:

	echo ocfs2 >> /etc/modules		echo ocfs2 >> /etc/modules-load.d/ocfs2.conf
	echo dlm >> /etc/modules		echo dlm >> /etc/modules-load.d/dlm.conf

	modprobe ocfs2		modprobe ocfs2

Larena: Deprecate

2017-06-12T09:58:46Z

Deprecate

← Older revision		Revision as of 09:58, 12 June 2017
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			{{Obsolete\|SCST is deprecated since Alpine 2.6 in favor of [[Linux_iSCSI_Target_(TCM)\|TCM]] and OCFS2 isn't available in Alpine 3.6}}

	This document describes how to created a raided file system that is exported to multiple host via ISCSI.		This document describes how to created a raided file system that is exported to multiple host via ISCSI.

Dubiousjim: /* Raid Configuration */ Fix "Setting up...RAID1" link

2015-01-20T14:35:07Z

Raid Configuration: Fix "Setting up...RAID1" link

← Older revision		Revision as of 14:35, 20 January 2015
Line 3:		Line 3:
	== Raid Configuration ==		== Raid Configuration ==

	Very Similar to [[Setting up a software ~~RAID1~~ array]].		Very Similar to [[Setting up a software RAID array]].

	apk install mdadm		apk install mdadm

Dubiousjim: capitalize RAID1

2012-10-20T20:21:30Z

capitalize RAID1

← Older revision		Revision as of 20:21, 20 October 2012
Line 3:		Line 3:
	== Raid Configuration ==		== Raid Configuration ==

	Very Similar to [[~~Setting_up_a_software_raid1_array~~]].		Very Similar to [[Setting up a software RAID1 array]].

	apk install mdadm		apk install mdadm

Dubiousjim: Category:Storage

2012-03-12T09:14:08Z

Category:Storage

← Older revision		Revision as of 09:14, 12 March 2012
Line 86:		Line 86:

	Now you can create read/write/change on both machines to the one drive at the same time.		Now you can create read/write/change on both machines to the one drive at the same time.

			[[Category:Storage]]

Larena: ocfs2 tools availability updated

2011-11-08T03:17:17Z

ocfs2 tools availability updated

← Older revision		Revision as of 03:17, 8 November 2011
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	Create a partition to use. sda1 file system type 83		Create a partition to use. sda1 file system type 83

	Add ocfs2 tools (~~currently~~ in ~~edge/main~~)		Add ocfs2 tools (available in Alpine 2.3 or greater)

	apk add ocfs2-tools		apk add ocfs2-tools

Larena: page updated to reflect OCFS2 support in Alpine

2011-08-03T03:54:13Z

page updated to reflect OCFS2 support in Alpine

← Older revision		Revision as of 03:54, 3 August 2011
Line 5:		Line 5:
	Very Similar to [[Setting_up_a_software_raid1_array]].		Very Similar to [[Setting_up_a_software_raid1_array]].

	~~apk_get~~ install mdadm		apk install mdadm

	~~mknod /dev/md0 b 9 0~~		mdadm --create --level=5 --raid-devices=3 /dev/md0 /dev/hda /dev/hdb /dev/hdc

	mdadm --create --level=5 --raid-devices=3 /dev/md0 /dev/hda /dev/hdb /dev/hdc

	To see the status of the creation of these devices		To see the status of the creation of these devices

	cat /proc/mdstat		cat /proc/mdstat

	You Don't have to wait to continue to use the disk.		You Don't have to wait to continue to use the disk.
Line 19:		Line 17:
	== iSCSI Target Config ==		== iSCSI Target Config ==

	[~~[iSCSI Target and Initiator Configuration]] has a detailed description of setting up the Target. Just make sure to use~~ /~~dev~~/~~md0 as your device~~.		[http://scst.sourceforge.net/target_iscsi.html SCST] is recommended over [http://iscsitarget.sourceforge.net/ IET], due to bugfixes, performance and RFC compliance.
			For a detailed config how-to please look at [[High_performance_SCST_iSCSI_Target_on_Linux_software_Raid]]
	~~Target iqn~~.~~2006-01~~.~~com~~.~~example:disk2~~.~~vol1~~
	~~Lun 0 Path=~~/~~dev/md0~~,~~Type=fileio~~

	== Initiator Config ==		== Initiator Config ==
	~~This was done on Debian because the OCFS2 tools are not in Alpine yet.~~

	iscsiadm --mode node --targetname NAME_OF_TARGET --portal IP_OF_TARGET --login		iscsiadm --mode node --targetname NAME_OF_TARGET --portal IP_OF_TARGET --login

	This should then give you a device /dev/sda. Check by dmesg.		This should then give you a device /dev/sda. Check by dmesg.

	fdisk /dev/sda		fdisk /dev/sda

	Create a partition to use. sda1 file system type 83		Create a partition to use. sda1 file system type 83

	~~For a GUI to configure make sure to install ocfs2console.~~		Add ocfs2 tools (currently in edge/main)

			apk add ocfs2-tools

	It can take care of starting and stopping services, copying the cluster.conf between nodes,creating the filesystem, and mounting it.		It can take care of starting and stopping services, copying the cluster.conf between nodes,creating the filesystem, and mounting it.
Line 60:		Line 57:
	node_count = 2		node_count = 2
	name = ocfs2		name = ocfs2

			Load modules:

			echo ocfs2 >> /etc/modules
			echo dlm >> /etc/modules

			modprobe ocfs2
			modprobe dlm

			Mount ocfs2 metafilesystems

			echo none /sys/kernel/config configfs defaults 0 0 >> /etc/fstab
			echo none /sys/kernel/dlm ocfs2_dlmfs defaults 0 0 >> /etc/fstab

			Start ocfs2 cluster

			/etc/init.d/o2cb start

	Run the following command only on one node.		Run the following command only on one node.

	mkfs.ocfs2 -L LABELNAME /dev/sda1		mkfs.ocfs2 -L LABELNAME /dev/sda1

	Run the following command on both nodes.		Run the following command on both nodes.

	/etc/init.d/o2cb enable		/etc/init.d/o2cb enable

	mount /dev/sda1 /media/iscsi1		mount /dev/sda1 /media/iscsi1

	Now you can create read/write/change on both machines to the one drive at the same time.		Now you can create read/write/change on both machines to the one drive at the same time.