Citrix SCSI & RAID Devices Driver

Citrix Virtual Apps and Desktops (CVAD) 1912 LTSR and Citrix Provisioning 1912 are supported in ELM 2001 and later. Citrix XenApp and XenDesktop 7.15 Cumulative Update 5 is not supported until ELM 1911 and later. Citrix Virtual Apps and Desktops (CVAD) 1903 and Citrix Provisioning 1903 are supported in ELM 1905 and later. Hello friendsToday I am going to show you Citrix Certification Video Training 10 - Adding iSCSI StorageLUN to Xen ServerThank YouVikas SinghVikas.9452@gmail. Citrix delivers people-centric solutions that power a better way to work by offering secure apps and data on any device, network or digital workspace. This first command is needed to gather the SCSI IQN for the Storage repository configuration. Before moving on, let’s take a look at all the parts of this command. Sr-probe – Used to query the iSCSI device for information about the volume created for this XenServer host. Type= Used to tell the XenServer the storage repository type.

Citrix Scsi & Raid Devices Driver Updater
Citrix Scsi & Raid Devices Drivers

Hi all, here is my new Mini-Howto for Citrix XenServer – Storage Repository Over Software iSCSI LUN

Topic contains:
How to Create NFS and iSCSI LUN on Linux (I will CentOS)
How to mount them on Citrix Xen Server using Command line and GUI (that includes Screen Shots)

Let’s starts with iSCSI creation on linux box, I will use CentOS 6 for this.

Packages Required: scsi-target-utils

Configuration File: /etc/tgt/targets.conf

I will Use LVM, as i am using a large partition on this box. So proceeding with it:

Press ‘n’ for new partition

Citrix Scsi & Raid Devices Driver Updater

First Cylinder size: press enter

Note: do not format partition:

Now create Physical Volumes (PV) on newly created partition.

# pvscan

Now create Volume Group (VG) : on created PV

# vgscan

Now we can create one or more Logical Volumes (LV’s) on VG

# lvscan

This part is done: Now to LUN creation

For this we have to ensure we have required package:

iscsi-initiator-utils-6.2.0.872-34.el6.x86_64

scsi-target-utils-1.0.14-4.el6.x86_64 (this is main package required for iSCSI server)

If do not have, the install it either using directly from RPM if you have, or YUM

After the successful installation, we have to edit the config for SAN:

iqn.2012-08.web18:vmsan>

# Example: the next line would override default driver type.

backing-store /dev/ sr0_vg1/ name sr0_vg1_lv100

backing-store /dev/ sr0_vg1/ name sr0_vg1_lv102

#initiator-address 192.168.23.113 (by proving IP, we can restrict the storage to specific IPs only)

Now start the service of iSCSI target:

# chkconfig tgtd on

(this will display information about iscsi target device)

I have disabled IPTABLES on target server, in my case.

This is done, Now i will show you how to mount the available LUN on Citrix Xen Server using GUI.

Citrix Scsi & Raid Devices Drivers

Later I will add command prompt, currently I am facing some issue, suggest me if you have steps

Open XenCenter àRight Click on any XenServer aChoose New SR….

In Next window, choose Software iSCSI and click Next

Provide IP of Target server (iSCSI server) and click on Discover IQNs, choose your IQN and then click on Discover LUNs and choose your LUN that you had created during LVM create.

Click on Finish and the XenCenter automatically mounts it on Server

Now LUN is ready and mounted on XenServer, start using as your need.

Please let me know for suggestions/corrections.

Welcome to Carl Stalhood’s website. Carl Stalhood is a Citrix Technology Professional (CTP), a VMware EUC vExpert, a VMware Implementation Expert 7 Desktop & Mobility (VCIX7-DTM) and works as a Principal Consultant for Sirius Computer Solutions in Kansas City. More info at About Carl Stalhood.

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