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FlashSystem firmware upgrade (manual)

Uploading large firmware files through the web gui can be unreliable (and slow). Here's how to do it using scp

1. Download the latest firmware for your device from IBM Fix Central. You will need both the test utility (e.g IBM_INSTALL_FROM_8.5_AND_LATER_upgradetest_47.1) and the firmware itself (e.g. IBM_FlashSystem5x00_and_StorwizeV5000_INSTALL_8.5.0.15)
2. If using Windows, ensure you have PuTTY installed, which includes pscp
3. From a command line in the directory containing the firmware (on Unix/Linux use scp not pscp):

   pscp IBM_INSTALL_FROM_8.5_AND_LATER_upgradetest_47.1 superuser@SAN.IP:/home/admin/upgrade
   pscp IBM_FlashSystem5x00_and_StorwizeV5000_INSTALL_8.5.0.15 superuser@SAN.IP:/home/admin/upgrade
   

4. You will be prompted to confirm the key fingerprint (the first time you connect) and to enter the superuser password:

   F:\IBM\FS5000>pscp IBM_INSTALL_FROM_8.5_AND_LATER_upgradetest_47.1 superuser@10.x.x.x:/home/admin/upgrade
   The host key is not cached for this server:
     10.x.x.x (port 22)
   You have no guarantee that the server is the computer you
   think it is.
   The server's ecdsa-sha2-nistp521 key fingerprint is:
     ecdsa-sha2-nistp521 521 SHA256:1235165313152431652
   If you trust this host, enter "y" to add the key to PSCP's
   cache and carry on connecting.
   If you want to carry on connecting just once, without adding
   the key to the cache, enter "n".
   If you do not trust this host, press Return to abandon the
   connection.
   Store key in cache? (y/n, Return cancels connection, i for more info) y
   Keyboard-interactive authentication prompts from server:
   | Password:
   End of keyboard-interactive prompts from server
   IBM_INSTALL_FROM_8.5_AND_ | 509 kB | 509.0 kB/s | ETA: 00:00:00 | 100%
   

5. You can then go to Settings > Update System in the GUI and the filenames will be pre-populated:
   
6. You can click through the dialogs to start the test and upgrade process