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> <channel><title>Comments on: Ubuntu Linux Set Iscsi Initiator</title> <atom:link href="http://www.cyberciti.biz/faq/ubuntu-linux-set-iscsi-initiator/feed/" rel="self" type="application/rss+xml" /><link>http://www.cyberciti.biz/faq/ubuntu-linux-set-iscsi-initiator/</link> <description>Every answer asks a more beautiful question.</description> <lastBuildDate>Fri, 10 Feb 2012 19:55:56 +0000</lastBuildDate> <sy:updatePeriod>hourly</sy:updatePeriod> <sy:updateFrequency>1</sy:updateFrequency> <generator>http://wordpress.org/?v=3.3.1</generator> <item><title>By: Jürgen Depicker</title><link>http://www.cyberciti.biz/faq/ubuntu-linux-set-iscsi-initiator/#comment-55912</link> <dc:creator>Jürgen Depicker</dc:creator> <pubDate>Tue, 22 Feb 2011 19:34:22 +0000</pubDate> <guid
isPermaLink="false">http://www.cyberciti.biz/faq/?p=8068#comment-55912</guid> <description>Persistent mounting on same path:
Create a mount point for the new file-system.
mkdir -p /mnt/iscsi
Update fstab to automatically mount the new filesystem at boot. Modern distros prefer to use the disk&#039;s UUID for mounting in fstab, referring to the device by its &quot;old school&quot; nomenclature still works as well.
Determine the UUID of your new iSCSI disk and add it to /etc/fstab with:
echo $(blkid /dev/sdc1 &#124; cut -d&#039; &#039; -f2 &#124; sed s/\&quot;//g)
Example output:
UUID=e227bd05-f102-4c08-ae4f-3dbfade128aa
Safety backup:
cp /etc/fstab /etc/fstab.old
Add this UUID to fstab:
printf &quot;$(blkid /dev/sdc1 &#124; cut -d&#039; &#039; -f2 &#124; sed s/\&quot;//g)\t/mnt/iscsi\text4\tnoatime\t0\t0\n&quot; &gt;&gt; /etc/fstab
Check:
cat /etc/fstab
Mount the new iSCSI block device.
mount /mnt/iscsi</description> <content:encoded><![CDATA[<p>Persistent mounting on same path:</p><p>Create a mount point for the new file-system.<br
/> mkdir -p /mnt/iscsi</p><p>Update fstab to automatically mount the new filesystem at boot. Modern distros prefer to use the disk&#8217;s UUID for mounting in fstab, referring to the device by its &#8220;old school&#8221; nomenclature still works as well.</p><p>Determine the UUID of your new iSCSI disk and add it to /etc/fstab with:</p><p>echo $(blkid /dev/sdc1 | cut -d&#8217; &#8216; -f2 | sed s/\&#8221;//g)</p><p>Example output:<br
/> UUID=e227bd05-f102-4c08-ae4f-3dbfade128aa</p><p>Safety backup:<br
/> cp /etc/fstab /etc/fstab.old</p><p>Add this UUID to fstab:<br
/> printf &#8220;$(blkid /dev/sdc1 | cut -d&#8217; &#8216; -f2 | sed s/\&#8221;//g)\t/mnt/iscsi\text4\tnoatime\t0\t0\n&#8221; &gt;&gt; /etc/fstab</p><p>Check:<br
/> cat /etc/fstab</p><p>Mount the new iSCSI block device.<br
/> mount /mnt/iscsi</p> ]]></content:encoded> </item> <item><title>By: Tapas Mallick</title><link>http://www.cyberciti.biz/faq/ubuntu-linux-set-iscsi-initiator/#comment-48217</link> <dc:creator>Tapas Mallick</dc:creator> <pubDate>Sun, 04 Jul 2010 14:30:01 +0000</pubDate> <guid
isPermaLink="false">http://www.cyberciti.biz/faq/?p=8068#comment-48217</guid> <description>How do we configure Ubuntu/RHEL/CentOS to create persistent/same device node(e.g,/dev/sdc) every time on reboot for a particular iSCSI iqn exported from an iSCSI target ?</description> <content:encoded><![CDATA[<p>How do we configure Ubuntu/RHEL/CentOS to create persistent/same device node(e.g,/dev/sdc) every time on reboot for a particular iSCSI iqn exported from an iSCSI target ?</p> ]]></content:encoded> </item> <item><title>By: TryThis</title><link>http://www.cyberciti.biz/faq/ubuntu-linux-set-iscsi-initiator/#comment-48216</link> <dc:creator>TryThis</dc:creator> <pubDate>Sun, 04 Jul 2010 14:08:00 +0000</pubDate> <guid
isPermaLink="false">http://www.cyberciti.biz/faq/?p=8068#comment-48216</guid> <description>Linux raid1 SAS 74GB x 2 @ 15k :D
dd if=/dev/zero of=output2.img bs=8k count=256k
262144+0 records in
262144+0 records out
2147483648 bytes (2.1 GB) copied, 5.41068 seconds, 397 MB/s </description> <content:encoded><![CDATA[<p>Linux raid1 SAS 74GB x 2 @ 15k :D<br
/> dd if=/dev/zero of=output2.img bs=8k count=256k<br
/> 262144+0 records in<br
/> 262144+0 records out<br
/> 2147483648 bytes (2.1 GB) copied, 5.41068 seconds, 397 MB/s</p> ]]></content:encoded> </item> <item><title>By: Cr0t</title><link>http://www.cyberciti.biz/faq/ubuntu-linux-set-iscsi-initiator/#comment-48209</link> <dc:creator>Cr0t</dc:creator> <pubDate>Sat, 03 Jul 2010 20:52:07 +0000</pubDate> <guid
isPermaLink="false">http://www.cyberciti.biz/faq/?p=8068#comment-48209</guid> <description>...a little bit in more detail. I tested this some time ago.
--BEGIN---
FIREWALL RULES:
&lt;pre&gt;
LANIP=192.168.1.0/24
IFACE=bond0
iptables -A INPUT -p tcp -m state -i $IFACE --state NEW -s LANIP -d $LANIP --dport 3260 -j ACCEPT -v
&lt;/pre&gt;
SERVER (192.168.1.86):
&lt;pre&gt;
vi /etc/ietd.conf
Target iqn.2009-03.local.bigboy:openiscsi-storage
Lun 0 Path=/dev/hda,Type=fileio
vi /etc/conf.d/ietd.conf
ADDRESS=&quot;192.168.1.86&quot;
/etc/init.d/ietd start
&lt;/pre&gt;
CLIENT (192.168.1.2):
&lt;pre&gt;
vi /etc/iscsi/initiatorname.iscsi
InitiatorName=iqn.2009-03.local.amy:openiscsi-storage
/etc/init.d/iscsid start
iscsiadm -m discovery -t st -p 192.168.1.86
iscsiadm -m discovery
iscsiadm -m node
iscsiadm -m node -l
# to mount
iscsiadm -m node -u
# to disconnect
21:24:21^root@amy:/etc/iscsi &gt; iscsiadm -m discovery -t st -p 192.168.1.86
192.168.1.86:3260,1 iqn.2009-03.local.bigboy:openiscsi-storage
21:25:14^root@amy:/etc/iscsi &gt; iscsiadm -m discovery
192.168.1.86:3260 via sendtargets
21:25:14^root@amy:/etc/iscsi &gt; iscsiadm -m node
192.168.1.86:3260,1 iqn.2009-03.local.bigboy:openiscsi-storage
21:25:14^root@amy:/etc/iscsi &gt; iscsiadm -m node -l
Logging in to [iface: default, target:
iqn.2009-03.local.bigboy:openiscsi-storage, portal: 192.168.1.86,3260]
Login to [iface: default, target:
iqn.2009-03.local.bigboy:openiscsi-storage, portal: 192.168.1.86,3260]:
successful
21:27:23^root@amy:/etc/iscsi &gt; iscsiadm -m session
tcp: [2] 192.168.1.86:3260,1 iqn.2009-03.local.bigboy:openiscsi-storage
21:28:10^root@amy:/etc/iscsi &gt; iscsiadm -m discovery -t st -p
192.168.1.86 -P 1
Target: iqn.2009-03.local.bigboy:openiscsi-storage
Portal: 192.168.1.86:3260,1
Iface Name: default
Mar 21 21:24:21 amy Loading iSCSI transport class v2.0-870.
Mar 21 21:24:21 amy iscsi: registered transport (tcp)
Mar 21 21:24:21 amy iscsid: iSCSI logger with pid=5052 started!
Mar 21 21:24:22 amy iscsid: transport class version 2.0-870. iscsid
version 2.0-870
Mar 21 21:24:22 amy iscsid: iSCSI daemon with pid=5053 started!
Mar 21 21:25:16 amy scsi15 : iSCSI Initiator over TCP/IP
Mar 21 21:25:17 amy scsi 15:0:0:0: Direct-Access     IET
VIRTUAL-DISK     0    PQ: 0 ANSI: 4
Mar 21 21:25:17 amy sd 15:0:0:0: [sdg] 20005650 512-byte hardware
sectors: (10.2 GB/9.53 GiB)
Mar 21 21:25:17 amy sd 15:0:0:0: [sdg] Write Protect is off
Mar 21 21:25:17 amy sd 15:0:0:0: [sdg] Mode Sense: 77 00 00 08
Mar 21 21:25:17 amy sd 15:0:0:0: [sdg] Write cache: disabled, read
cache: enabled, doesn&#039;t support DPO or FUA
Mar 21 21:25:17 amy sd 15:0:0:0: [sdg] 20005650 512-byte hardware
sectors: (10.2 GB/9.53 GiB)
Mar 21 21:25:17 amy sd 15:0:0:0: [sdg] Write Protect is off
Mar 21 21:25:17 amy sd 15:0:0:0: [sdg] Mode Sense: 77 00 00 08
Mar 21 21:25:17 amy sd 15:0:0:0: [sdg] Write cache: disabled, read
cache: enabled, doesn&#039;t support DPO or FUA
Mar 21 21:25:17 amy sdg: sdg1 sdg2 sdg3
Mar 21 21:25:17 amy sd 15:0:0:0: [sdg] Attached SCSI disk
Mar 21 21:25:17 amy sd 15:0:0:0: Attached scsi generic sg6 type 0
Mar 21 21:25:17 amy iscsid: connection1:0 is operational now
---END---
&lt;/pre&gt;</description> <content:encoded><![CDATA[<p>&#8230;a little bit in more detail. I tested this some time ago.</p><p>&#8211;BEGIN&#8212;<br
/> FIREWALL RULES:</p><pre>
       LANIP=192.168.1.0/24
       IFACE=bond0
       iptables -A INPUT -p tcp -m state -i $IFACE --state NEW -s LANIP -d $LANIP --dport 3260 -j ACCEPT -v
</pre><p>SERVER (192.168.1.86):</p><pre>
vi /etc/ietd.conf
 Target iqn.2009-03.local.bigboy:openiscsi-storage
 Lun 0 Path=/dev/hda,Type=fileio
vi /etc/conf.d/ietd.conf
 ADDRESS="192.168.1.86"
/etc/init.d/ietd start
</pre><p>CLIENT (192.168.1.2):</p><pre>
vi /etc/iscsi/initiatorname.iscsi
 InitiatorName=iqn.2009-03.local.amy:openiscsi-storage
/etc/init.d/iscsid start
iscsiadm -m discovery -t st -p 192.168.1.86
iscsiadm -m discovery
iscsiadm -m node
iscsiadm -m node -l
# to mount
iscsiadm -m node -u
# to disconnect
21:24:21^root@amy:/etc/iscsi &gt; iscsiadm -m discovery -t st -p 192.168.1.86
192.168.1.86:3260,1 iqn.2009-03.local.bigboy:openiscsi-storage
21:25:14^root@amy:/etc/iscsi &gt; iscsiadm -m discovery
192.168.1.86:3260 via sendtargets
21:25:14^root@amy:/etc/iscsi &gt; iscsiadm -m node
192.168.1.86:3260,1 iqn.2009-03.local.bigboy:openiscsi-storage
21:25:14^root@amy:/etc/iscsi &gt; iscsiadm -m node -l
Logging in to [iface: default, target:
iqn.2009-03.local.bigboy:openiscsi-storage, portal: 192.168.1.86,3260]
Login to [iface: default, target:
iqn.2009-03.local.bigboy:openiscsi-storage, portal: 192.168.1.86,3260]:
successful
21:27:23^root@amy:/etc/iscsi &gt; iscsiadm -m session
tcp: [2] 192.168.1.86:3260,1 iqn.2009-03.local.bigboy:openiscsi-storage
21:28:10^root@amy:/etc/iscsi &gt; iscsiadm -m discovery -t st -p
192.168.1.86 -P 1
   Target: iqn.2009-03.local.bigboy:openiscsi-storage
       Portal: 192.168.1.86:3260,1
          Iface Name: default
Mar 21 21:24:21 amy Loading iSCSI transport class v2.0-870.
Mar 21 21:24:21 amy iscsi: registered transport (tcp)
Mar 21 21:24:21 amy iscsid: iSCSI logger with pid=5052 started!
Mar 21 21:24:22 amy iscsid: transport class version 2.0-870. iscsid
version 2.0-870
Mar 21 21:24:22 amy iscsid: iSCSI daemon with pid=5053 started!
Mar 21 21:25:16 amy scsi15 : iSCSI Initiator over TCP/IP
Mar 21 21:25:17 amy scsi 15:0:0:0: Direct-Access     IET
VIRTUAL-DISK     0    PQ: 0 ANSI: 4
Mar 21 21:25:17 amy sd 15:0:0:0: [sdg] 20005650 512-byte hardware
sectors: (10.2 GB/9.53 GiB)
Mar 21 21:25:17 amy sd 15:0:0:0: [sdg] Write Protect is off
Mar 21 21:25:17 amy sd 15:0:0:0: [sdg] Mode Sense: 77 00 00 08
Mar 21 21:25:17 amy sd 15:0:0:0: [sdg] Write cache: disabled, read
cache: enabled, doesn't support DPO or FUA
Mar 21 21:25:17 amy sd 15:0:0:0: [sdg] 20005650 512-byte hardware
sectors: (10.2 GB/9.53 GiB)
Mar 21 21:25:17 amy sd 15:0:0:0: [sdg] Write Protect is off
Mar 21 21:25:17 amy sd 15:0:0:0: [sdg] Mode Sense: 77 00 00 08
Mar 21 21:25:17 amy sd 15:0:0:0: [sdg] Write cache: disabled, read
cache: enabled, doesn't support DPO or FUA
Mar 21 21:25:17 amy sdg: sdg1 sdg2 sdg3
Mar 21 21:25:17 amy sd 15:0:0:0: [sdg] Attached SCSI disk
Mar 21 21:25:17 amy sd 15:0:0:0: Attached scsi generic sg6 type 0
Mar 21 21:25:17 amy iscsid: connection1:0 is operational now
---END---
</pre>]]></content:encoded> </item> <item><title>By: c.p</title><link>http://www.cyberciti.biz/faq/ubuntu-linux-set-iscsi-initiator/#comment-48175</link> <dc:creator>c.p</dc:creator> <pubDate>Fri, 02 Jul 2010 12:03:16 +0000</pubDate> <guid
isPermaLink="false">http://www.cyberciti.biz/faq/?p=8068#comment-48175</guid> <description>Is it following this structure?
server 192.168.1.1 : provide a empty hard drive
client : setup iSCSI to mount server hard drive and run vmware</description> <content:encoded><![CDATA[<p>Is it following this structure?<br
/> server 192.168.1.1 : provide a empty hard drive<br
/> client : setup iSCSI to mount server hard drive and run vmware</p> ]]></content:encoded> </item> <item><title>By: Philippe Petrinko</title><link>http://www.cyberciti.biz/faq/ubuntu-linux-set-iscsi-initiator/#comment-48174</link> <dc:creator>Philippe Petrinko</dc:creator> <pubDate>Fri, 02 Jul 2010 11:32:15 +0000</pubDate> <guid
isPermaLink="false">http://www.cyberciti.biz/faq/?p=8068#comment-48174</guid> <description>Useful comprehensive topic to me,
Thanks Vivek
:-O  Wow! 80MB/s impressive high-speed.
:-/ It seems I have to tune my local ATA-HD! (but this is another topic on which you already wrote)
What are average effective output rate of common storage today on your systems?
local : IDE, ATA, USB-Key, CD, DVD, Blue-Ray?</description> <content:encoded><![CDATA[<p>Useful comprehensive topic to me,<br
/> Thanks Vivek<br
/> :-O  Wow! 80MB/s impressive high-speed.<br
/> :-/ It seems I have to tune my local ATA-HD! (but this is another topic on which you already wrote)<br
/> What are average effective output rate of common storage today on your systems?<br
/> local : IDE, ATA, USB-Key, CD, DVD, Blue-Ray?</p> ]]></content:encoded> </item> </channel> </rss>
