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Old 07-09-2010, 10:49 AM   #1
Felicia1326
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Cool RHEL5 iSCSI not creating new block device in /dev


Hello,

I am running RHEL5.5 its a fresh install and we are testing Xen Virtualization. We are wanting to use our iSCSI SAN for the VMs. I have created the initiator iqn, and discovered the target address. We are connected to the target, but there is no new block device in /dev.

[root@xxxxxxxx etc]# netstat -a | grep iscsi
tcp 0 0 *:iscsi-target *:* LISTEN
tcp 0 0 xxxxx-netapp.okc-:44840 xxxxxx-iscs:iscsi-target ESTABLISHED
tcp 0 0 *:iscsi-target *:* LISTEN

after running an fdisk -l there is no new device and most documentation told me to check /var/log/messages for the new device name.

Here is the output.

Jul 9 10:17:39 kernel: Loading iSCSI transport class v2.0-871.
Jul 9 10:17:39 kernel: cxgb3i: tag itt 0x1fff, 13 bits, age 0xf, 4 bits.
Jul 9 10:17:39 kernel: iscsi: registered transport (cxgb3i)
Jul 9 10:17:39 kernel: Broadcom NetXtreme II CNIC Driver cnic v2.1.0 (Oct 10, 2009)
Jul 9 10:17:39 kernel: Broadcom NetXtreme II iSCSI Driver bnx2i v2.1.0 (Dec 06, 2009)
Jul 9 10:17:39 kernel: iscsi: registered transport (bnx2i)
Jul 9 10:17:39 kernel: iscsi: registered transport (tcp)
Jul 9 10:17:39 kernel: iscsi: registered transport (iser)
Jul 9 10:17:39 kernel: iscsi: registered transport (be2iscsi)
Jul 9 10:17:39 iscsid: iSCSI logger with pid=7142 started!
Jul 9 10:17:39 kernel: scsi1 : iSCSI Initiator over TCP/IP
Jul 9 10:17:40 iscsid: transport class version 2.0-871. iscsid version 2.0-871
Jul 9 10:17:40 iscsid: iSCSI daemon with pid=7143 started!
Jul 9 10:17:40 iscsid: connection1:0 is operational now

There should be a /dev/sdd or something of the like in that string of messages, but nothing...any advice?

~Sunshine
 
Old 09-09-2010, 10:58 AM   #2
Felicia1326
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So I guess I'll reply to my own thread. You have to do a lot of work on the netapp/iscsi side so there is a device the host can actually see. If anyone ever has this problem you can email me at felicia1326@gmail.com and I'll send you the iscsi for dummies document I have written...
 
Old 09-24-2010, 12:57 PM   #3
Felicia1326
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After several successes from this document, it has been suggested that I attach the document to this thread.

If you get stuck you can still email me with questions, oh and suggestions of course. Its' all about making life easier and better for everyone

Thanks Eric, I also added the line about restarting iSCSI for volume discovery.

iSCSI4Dummies.txt
 
  


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