INT DAS Startup Procedures

If the power is removed from the INT DAS or if the system has been closed down for some reason these are the procedures to follow. There is one procedure to start up the DAS system computer lpss12 and another procedure to start up any of the other sparcs/alphas.

To start up lpss12

To start any of the other sparcs/alphas eg lpss13, lpss7, lpas3

If switching on the whole system bring up lpss12 first and then the sparcs individually (in any order).

Unix computers (eg Sun sparcs) must never be turned off - always follow the procedures - otherwise disk corruption can occur.

Because the DataCell card driver has a bug the DAS computer lpss12 must be turned off at the mains whenever it is rebooted see powering off lpss12.

The DEC Alpha lpas3 (TCS) is in the clip centre and does not have a shutdown account - contact jmb@ing.iac.es for details.

There is a bug in the Digi Portserver software that prevents the port server being automatically re-initialised if the Portserver is switched off. Either reboot lpss12 completely or follow this procedure to restore the Portservers.

The sparc mains switches are located at the back right hand side top. They can be switched on by this button or the keyboard key top right marked with a circle and vertical line.

If there has been a UPS failure or other mains disruption -

• If the power is still OFF switch all computers off including their disks and tapes until a safe and reliable power supply has been re-established.
• If the power is still ON then turn off the computers as given in this procedure.

To start up lpss12

lpss12 must be powered off at the mains before reboot and the correct procedure followed.

1. Ensure that the fox rack is switched off (located next to the sparc lpss12).
2. If the VME autoguider (located in the clip centre) has been powered down leave this switched off.
3. Power cycle (switch off and on again) the two Digi Portservers. One of these is located on the telescope at cass (marked Cassegrain Terminal Server) and the other is located in the clip centre(marked Clip Centre Terminal Server). Leave ON.
4. Switch on the disks and DAT drives and wait a minute while they come up to speed.
5. Switch on and power up the sparc lpss12.
6. Wait for lpss12 to complete its boot cycle. Watch the screen for any errors.
7. Switch on the fox rack next to lpss12.
8. Switch on the VME autoguider in the clip centre. (If it was already on then reset it using the small black switch button on the front)
9. Switch on the fox rack in the clip centre.
10. Restart the DAS observing system as described in the users manual.
11. Take some images to make certain all is OK.
12. Use lpss13 and check that the common disks on lpss12 can be seen (eg logon as guest and use iraf).
13. Use ping to check that the portservers are on the net. From any unix command prompt type ping portserver1 and ping portserver2. You should get the message portserver1 is alive.
14. From any unix prompt running as observer type tip d16 you should see the message connected and be able to see the characters you type. Exit tip with carriage return ~.
15. Repeat the above with tip /dev/term/b016.
16. Type ping lpvme01. You should get the message lpvme01 is alive. This checks the VME autoguider.
17. For a further check of the autoguider VME type tip agvme. You should get a command prompt from the autoguider. Alternatively telnet to lpvme01 and you should get a login prompt.

To start up any sparc/alpha

If you are just rebooting the sparc and it has been halted (so its ON and has the OK prompt visible) type boot at the OK prompt. Then test it.

1. Switch on the disks and DAT drives and wait a minute while they come up to speed.
2. Switch on and power up the sparc. Mains switch at back.

And test it

1. Wait for the sparc to complete its boot cycle. Watch the screen for any errors.
2. Log in as any user and check that you can see the disks etc.
3. if it is lpss13 then check that the common disks on lpss12 can be seen (eg logon as guest and use iraf).

INT home page | Roger Edwards | Software Controls Systems Group | Isaac Newton Group
Page created by Roger Edwards rje@ing.iac.es on 12/05/97.