Update firmware HBA

Hello

I have a question

I have several partitions P550 Aix 5.3 and I need to update the HBA firmware, in some partitions I have two HBA and in others I have one HBA only.

My question is if I have to reboot my partitions after update the firmware level. and If I can do it online or I have to stop something.

This is one output from the lscfg -vl fcs0 command

lscfg -vl fcs0

    Part Number.................03N6441
    EC Level....................A
    Serial Number...............1B54804DF5
    Manufacturer................001B
    Customer Card ID Number.....280B
    FRU Number.................. 03N6441
    Device Specific.\(ZM\)........3
    Network Address.............10000000C94EC287
    ROS Level and ID............02881914
    Device Specific.\(Z0\)........1001206D
    Device Specific.\(Z1\)........00000000
    Device Specific.\(Z2\)........00000000
    Device Specific.\(Z3\)........03000909
    Device Specific.\(Z4\)........FF801315
    Device Specific.\(Z5\)........02881914
    Device Specific.\(Z6\)........06831914
    Device Specific.\(Z7\)........07831914
    Device Specific.\(Z8\)........20000000C94EC287
    Device Specific.\(Z9\)........TS1.90A4
    Device Specific.\(ZA\)........T1D1.90A4
    Device Specific.\(ZB\)........T2D1.90A4
    Device Specific.\(ZC\)........00000000

Thanks for your comments

Greetings

Hi,
you can do it online (it will throw a few errors but these can safely be ignored) but I would highly recommend to reboot the server after you're done.
Kind regards
zxmaus

From the update readme:

Body

4.0 Cautions and Important Notes
Concurrent Download
It is recommended firmware upgrades be performed during a scheduled maintenance window and that the system be re-booted following firmware download.