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An OSN6800 M40 can not go online since the OAU occupies part of the logic slot of the M40

Publication Date:  2018-02-18 Views:  100 Downloads:  0
Issue Description

An OSN6800 subracks shelf-6 slot one has been inserted into a M40 board. we can see the physical board via navigator, but can not see the physical board on the NMS. we can not add it to slotone,as shown in the below figure:



Handling Process

1、use the command line: cfg-get-phybd query find slot 6-1 physical board is TN11M40 , but confirmed by command :cfg-get-bdinfo find the actual physical board is TN12M40:


2、although confirming that the TN12M40 board occupies only 2 slots in the field and does not affect the OAU board inserted in slot 3, since the current R5 host does not support the TN12M40, the board is identified as the TN11M40 by the multi-board ID and the TN11M40 single Board logic is to occupy 3 slots. However, because the 12OAU card has been identified on the NMS in slot 3, TN11M40 inserted in slot 1 can not obtain enough logical slot resources.

3、in this case, there are two options to choose from, one is to upgrade the device version to R6 which support TN12M40 , TN12M40 board only occupy two logical slots, OAU 3 slots will not preempt resources; The other is to adjust the slot to adjust the OAU board in slot 3 to other spare slots.

4、 After the OAU is adjusted to other slots on the site,  that the TN11M40 in slot 1 is online, can add physical boards normally.

Root Cause

Although it is confirmed that the TN12M40 board occupies only two slots, it does not affect the OAU board inserted in slot 3. However, the current R5 host does not support the TN12M40. The board is identified as the TN11M40 by the multi-board ID, and the TN11M40 single board logic Is to occupy 3 slots. However, because the 12OAU card has been identified on the NMS in slot 3, TN11M40 inserted in slot 1 can not obtain enough logical slot resources.

Solution

1、to upgrade the device version to R6 which support TN12M40 , TN12M40 board only occupy two logical slots, OAU 3 slots will not preempt resources;

2、 The other is to adjust the slot to adjust the OAU board in slot 3 to other spare slots.

END