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Status Needs more information
Created by Guest
Created on Nov 29, 2023

dsmserv maintenance does not disable storage rules

Starting the SP server in maintenance mode is a helpful vehicle after software updates and problem determination phases. It disables all internal server processing and client sessions except of preventing storage rules being executed. Disabling storage rules should be added to the maintenance mode.

Idea priority Low
  • Guest
    Reply
    |
    Dec 13, 2023

    We do disable storage rules in our daily business when we have maintanance windows for dsmserv updates to prevent long running processes operating on physical tape drives. we also do this when we have maint action with physical tape environments. we also disable stgrules when we do maintenance within the external library manager - TSLM. If not disabled proberly before such actions you always have to manually manage orphan tape mounts or isp processes.

    but that is not the point. we recommend to disable all stgrules in dsmserv maint to do it like it is already implemented with admin schedules. or the old "nomigrecl". there are two key points. first is after a isp upgrade we start the dsmserv with maint - in this scenario you do not want to start stgrules like audit, protect or tiering. you want a isp that is only starting, but not operating with processes/stgpools/stgrules/admin-sches. second is when you have restored a isp server via dsmserv restore db......after you have done the restore, the best way is to start dsmserv in maint to prevent client sessions to start. you only want to audit your stgpools, repair your containers, audit your tapes - you do not want to have additional stgrules running during stgpool recover.

    in such situations you do not want to disable stgrules as "special point" - you want it disabled automatically.

  • Admin
    Juan Carlos Jimenez Fuentes
    Reply
    |
    Dec 12, 2023

    How often do we disable storage rules? We need more information around why this is necessary. Please expand in the comments below.