On Wed, Jan 5, 2011 at 9:13 PM, Nicholas A. Bellinger <nab@xxxxxxxxxxxxxxx> wrote: > For proper production PR usage you really, *really* want to use explict NodeACLs with the > correct Initiator IQN names and disable demo mode all together. ÂHowever, it is possible to use > demo-mode with PR ops for non production (eg: testing) purposes, but it is not as nearly well > tested as using Explict Node ACLs. ok, i followed the guide. i'm not super familiar with iscsi after the tests you asked, i modified my setup to use *correct* nodenames on the acl and disabled the demo mode > > So that said, there are two more tests I would like you to run to help isolate this particular > issue wrt to PR operation with demo mode (eg: generate_node_acls=1) > > *) Please go ahead and enable 'cache_dynamic_acls' for the TargetName+TargetPortalGroupTag endpoint > with the following and retest using the Vertias test suite. > > echo 1 > /sys/kernel/config/target/iscsi/iqn.2010.ar.com.zumbi:disk0/tpgt_1/attrib/cache_dynamic_acls it failed :( dmesg.test1 is the log file > > This will keep around the dynamically generated struct se_node_acls > which does have an effect on certain PR operations, but thus far you are > the first to the NULL pointer deference issue with demo mode PR > operation. > > *) From there, go ahead and disable demo mode all together for the TargetName+TargetPortalGroupTag > endpoint with: > > echo 0 > /sys/kernel/config/target/iscsi/iqn.2010.ar.com.zumbi:disk0/tpgt_1/attrib/generate_node_acls > > and fix the NodeACLs to match the actual initiator side IQNs and retest again. it failed too dmesg.test2 is the log file > > I am quite certain the proper Explict NodeACLs will work fine, but what is more interesting > is to see if generate_node_nacls and cache_dynamic_acls=1 has an effect on the NULL pointer > deference. > > Please let me know both test results and I should be able to come up with a patch from there.. > > Thanks! > > --nab > >
Attachment:
dmesg.test1
Description: Binary data
Attachment:
dmesg.test2
Description: Binary data
