[stgt] Target naming: a minor bug in tgt-setup-lun

FUJITA Tomonori fujita.tomonori at lab.ntt.co.jp
Sat Jul 16 12:36:22 CEST 2011

On Wed, 13 Jul 2011 16:24:29 +0300
Yaron Sheffer <yaronf at porticor.com> wrote:

> Hi,
> When creating the target name, the application prepends the string 
> iqn.2001-04.com.<hostname>- before the user-supplied name. However the 
> ".com" is redundant. Moreover, some users might prefer to supply their 
> own names, e.g. if the hostname is not stable (as may be the case in the 
> cloud). So I suggest to change the code so that if the user provides a 
> full name (one that starts with "iqn"), it is used as is.

Can you try the following patch?

diff --git a/scripts/tgt-setup-lun b/scripts/tgt-setup-lun
index 9fef7f9..14a5f0a 100755
--- a/scripts/tgt-setup-lun
+++ b/scripts/tgt-setup-lun
@@ -188,7 +188,9 @@ fi
 echo "Using transport: $lld_name"
-tgt_name="iqn.2001-04.com.$(hostname -s)-$tgt_name"
+if ! [[ $tgt_name =~ ^iqn ]]; then
+    tgt_name="iqn.2001-04.com.$(hostname -s)-$tgt_name"
 # Make sure that a target with the same name doesn't exist
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