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DescriptionBruno Goncalves
2013-01-21 10:56:41 UTC
Description of problem:
iscsiadm does not load iSCSI module if it needs it, on RHEL6 it does.
Version-Release number of selected component (if applicable):
rpm -q iscsi-initiator-utils
iscsi-initiator-utils-6.2.0.872-19.el7.x86_64
uname -r
3.7.0-0.32.el7.x86_64
How reproducible:
100%
Steps to Reproduce:
1.make sure iscsi_tcp module is not loaded
lsmod | grep iscsi_tcp
libiscsi_tcp 25147 3 cxgb3i,cxgb4i,libcxgbi
libiscsi 53014 7 libiscsi_tcp,bnx2i,cxgb3i,cxgb4i,be2iscsi,ib_iser,libcxgbi
2.Try to discovery target
iscsiadm -m discovery -p <portal> -t st
iscsiadm: iSCSI driver tcp is not loaded. Load the module then retry the command.
Additional info:
On RHEL6 it does load the module during discovery.
Along with the switch to system unit files, the service no longer loads kernel modules when it's started. Instead, libkmod support has been enabled in iscsid which will load only the modules that are needed for the iSCSI transports in use.
When this change was first enabled, SELinux was blocking iscsid from loading the kernel modules. That should be fixed now. If iSCSI transport modules are not being loaded as needed for session to login to succeed, please check /var/log/audit/audit.log for SELinux denials to the iscsid process.
This request was resolved in Red Hat Enterprise Linux 7.0.
Contact your manager or support representative in case you have further questions about the request.