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3–Open-iSCSI User’s Guide
Features Not Supported
IS0054604-00 A 3-17
Features Not Supported
The features below are not supported in Red Hat Enterprise Linux 6.2. These
features will be supported in Red Hat Enterprise Linux 6.3.
1. iSNS
2. Ping
Migrating to Open-iSCSI Driver
On a system that was successfully upgraded from RHEL 6.1 to RHEL 6.2,
discovery and login of targets in Flash is managed by the QLogic iSCSI driver and
firmware. These targets (except boot targets) are exported to sysfs and can be
viewed from sysfs.
Because the RHEL 6.2 Inbox driver does not support the QLogic management
applications iscli (SANsurfer iSCSI CLI) and qaucli (QConvergeConsole
CLI), Open-iSCSI must be used for all new target management.
Targets added through iscsiadm are saved in the Open-iSCSI persistent
database. The operations listed in “Managing QLogic iSCSI Adapters Using
iscsiadm” on page 3-4 are available for management of targets added through
Open-iSCSI.
NOTE
If targets are logged in through Open-iSCSI, all targets should be logged out
before unloading the QLogic iSCSI driver, otherwise driver unload will fail
with the following error:
ERROR: Module qla4xxx is in use
NOTE
For information about upgrading from RHEL 6.1 to RHEL 6.2, refer to the
following Technical Note:
http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html/6.2_T
echnical_Notes/kernel_issues.html
NOTE
Targets added from Flash cannot be managed using the iscsiadm
interface.