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Status Not under consideration
Workspace IBM Spectrum Virtualize / FlashSystem
Created by Guest
Created on May 3, 2022

RELATED IDEAS

Add / create a CLI command in order to remove permanent "inactive" entries from lsfabric

With situations in which client changes zoning, this also includes when they are implementing NPIV from just physical ports (transitional), it is common to have bad manipulation from the multipath driver over the host paths which causes previous paths to show as "inactive" status in the lsfabric even after correcting the zoning and the multupath side or hosts or even cause the host object to stay permanently in degraded state due to false reporting of amount of paths / balance number of paths across nodes.


The only ways to remove a permanent inactive entry from lsfabric are the following:
- Recreate the host object by removing mappings, wwpns and deleting the host object then recreate. / The cons of doing this is that this requires host downtime and if the config in regards of mappings and ports is big, requires great effort from client in order to solve this cosmetic bug.


- The other way is to reboot both nodes from the same IOGroup where the situation is observed. This will reload the FC logins on the ports and recreate the lsfabric entries forcing the permanent inactive paths to be gone. Clients tend to complain about this stating that taking a node reboot is too aggressive to solve a cosmetic thing or do a clearance on the lsfabric table.

Idea priority Medium
  • Admin
    Philip Clark
    Reply
    |     Jan 13, 2023

    Thank you for submitting this enhancement request. We have reviewed with the architects and support team.

    We have an automatic poll to auto-close logins if they've been un-zoned. However some switch vendors allow "test packets" through even if the devices aren't zoned any more. At this point lsfabric is correctly reporting that we have a login resource tied up - so this is actually useful information. There is not much more we can do here.

    However, there is a related request to let people disable/re-enable a single FC port using the CLI, which will give you some other options to clean up with less disruption than rebooting a node.

    We appreciate your input and hope that you will continue to submit enhancement requests, as this feedback is a key component to shaping the future direction of Spectrum Virtualize and FlashSystem family.

    Thanks,
    FlashSystem Team

    philipclark@ibm.com

  • Admin
    Philip Clark
    Reply
    |     May 27, 2022

    Thank you for submitting this Idea. We are currently evaluating your request.


    Thanks,

    SpecV Team


    philipclark@ibm.com


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