IBM System p5 customers frequently ask about the security of the HMC. Each server partition will have a connection to an Ethernet network. On p5, the serial cable has been replaced by an.

• Ibm P5 520

Code: Use SMIT to define a tty on an available serial port on your server. Use the SMIT System Environments and Assign the Console menus to set this tty to be your console for the next system restart. That document is if you already have a console, you can use SMIT or SMITTY to redirect it to serialport vty What if the system has no CONSOLE at all. There is no way to change the settings in SMS menu since there is no display gito you mentioned 'If you will find proper USB-Serial cable you will be able to go to SMS menu and start some installation.' Gito: I connected Serial to Serial ( Pseries Serial to PC Serial ) opened hyper terminal but does not show up anything. I think the display on Pseries is not configured for serial but it is configured for tty0 what is the fastest and easiest way to open a console or connect a laptop to Pseries.

Unfortunately, we don't know the IP address, otherwise we could have telnet. The scenario is like this:. Pseries without video card - cannot connect normal monitor. We don't know the IP address of the machine so telnet is not possible what is the way to connect to the pseries?

Hey All, Trying to connect to the Power5 9133-55A serial console using a serial-to-usb converter (RS232). The other end is connected via null modem. Tried minicom, putty and other Linux utilities, no luck. The serial device shows up as /dev/ttyUSB0.

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Tried 9600 8N1 XON/XOFF, no luck. There is simply no output on the screen and no change after pressing enter multiple times. The 9133-55A is currently hooked up to an HMC and works fine that way but not via serial. Could someone who has done this via Linux nudge me along and let me know what settings you used? Going to retry with putty and windows as alot of the videos indicate and post if it was successful. Cheers, DH - Post updated at 12:54 PM - Previous update was at 12:41 PM - Sorry for bad subject. Can a moderator please change it to 'Power5 9133-55A Serial Console connection issue'?

I set the speed using the below after powering the P5 down: stty -F /dev/ttyUSB0 19200 stty -F /dev/ttyUSB0 Then connected via putty. I had unplugged the HMC cables earlier while the system was running and that didn't make a difference. When I had established the console session, I plugged the power cables into the Power5 again and watched the messages: S1 You have logged out. It logged me out of the console ASMI.

The thought that the HMC connection might disable the console port seamed like an odd thing to do to me so didn't consider to test it, even though it crossed my mind. I also tried to unplug the ethernet cables from the HMC ports to see if the serial ports would be reenabled but it doesnt' work in reverse. Once you power the Power5 server on or plug in the HMC cables, either action has the effect of permanently disabling the serial ports. Strange design but ok. Hope this helps anyone else looking. The thought that the HMC connection might disable the console port seamed like an odd thing to do to me so didn't consider to test it, even though it crossed my mind.

I also tried to unplug the ethernet cables from the HMC ports to see if the serial ports would be reenabled but it doesnt' work in reverse. Once you power the Power5 server on or plug in the HMC cables, either action has the effect of permanently disabling the serial ports.

Strange design but ok. Both the serial connection and the network connection (to the HMC) are handled by the 'Service processor' (which is about the same as a PCs ILO.board combined with some BIOS functionality).

Ibm P5 520

Because the HMC provides a serial console via the HMC web interface ('Open console terminal') the serial port is disabled when the system is connected (and recognized) by a HMC. Because the HMC is a separate machine and could go down, be reinstalled, etc., the system remembers that it is connected to one and stays that way even if the HMC is not connected (this is why it did not revert when you unplugged the network). There are on the system (this is for POWER 7, but POWER5 is practically identical). You need to use the 'pocket-calculator'-like device hanging ususally out of the system for that.

(IIRC waiting also helps, but takes 14 days since the last HMC connection.) Sometimes in the transition between POWER4 and POWER5 the speed of the console was set from 9600 u,1,p to 19200 u,1,p. Its been a long time since but as far as i remember all the POWER5 and some of the POWER4 were on 19200, the systems before are all using 9600, the systems after that are all 19200. I hope this helps.