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Description of problem:
- The RHEL 7.5 and later kernels no longer have a 256 LUNs limit for iSCSI after rebasing LIO on a later version.
- However, the 256 LUNs limit remains set in the userspace utilities targetcli/rtslib.
- This RFE is a request for this limit to be removed.

Version-Release number of selected component (if applicable):
targetcli-2.1.53-2.el8
python3-rtslib-2.1.75-4.el8

Actual results:
- Unable to create and manage more than 256 LUNs using the targetcli/rtslib utilities.

Expected results:
- Ability to create and manage more than 256 LUNs.

Additional info:
- Kernel patch backported to kernel-3.10.0-862.el7 to remove the 256 LUNs limit - private BZ#1366062.
(https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=196e2e2aa362850bf45bcb14b9517124b23b921e)

Changing the component to rtslib

Patch submitted to upstream: https://github.com/open-iscsi/rtslib-fb/pull/191

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