IBM's pSeries 570 vs a 520 vs 550 Post: 302753039

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Operating Systems AIX IBM's pSeries 570 vs a 520 vs 550 Post 302753039 by Devyn on Tuesday 8th of January 2013 02:10:53 AM

01-08-2013

Registered User

Thanks all! Really appreciate it! This does help! Yup I would be looking for a single CEC of a 570 if at all or if I can get the same functionality for less $ with a 520 or 550 then would prefer those. (However, at this time the single CEC's of 570's come priced cheaper and so teh original question...) For PowerVM looks like I'll need at least the Standard VET to create VIO's (I recall reading the Enterprise VET will allow for LPM but I don't need that in the foreseeable future). With the Standard I can create two VIO's which is something I would want to do. Most of the hardware out there that I see comes with a POD and a VET for those listed as APV.

> Secondly, if you are running virtualisation, are you happy to run a single VIO with IVM or do you also need to factor in an HMC. With the 570 you must use an HMC! The IVM isn't an option.
I'd be looking to get an HMC shortly after if not together. I'm thinking then even for a single CEC of a 570 I'd still need the HMC?

> If you have an HMC and a server and want to run dual VIO Servers then you need a split backplane in you server, with disks attached to both backplanes.
Yes, if I have a Standard VET then would want to run two VIO's. Thanks very much for that! When you say I need disks attached to both backplanes I'm thinking 2 disks per backplane then (4 total)? (Not sure if I'm making sense.)

Read somewhere that an MOD (CUoD Memory Activation Code) might not make much sense on the 520's and 550's but I'm not 100% sure here on this. If I don't have the MOD on any of the three types, 520, 550, 570, what features would I be missing? I'm thinking I'll need all three codes but I'm not 100% sure if paying for an MOD would make any significant difference in functionality.

> 200-240 volt AC
This would be a problem. I'll have to do a bit more digging on exactly what I would need to check if my HH would allow for this.

Up to a 4-way machine would be fine so any 3 of those would do. Please let me know on the above and thanks very much again!

Thanks, DH

Devyn

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LEARN ABOUT CENTOS

sgpio

sgpio(1)							   USER COMMANDS							  sgpio(1)

NAME

       sgpio - captive backplane LED control utility

SYNOPSIS

       sgpio [-h] [-V] [[-d|--disk <device>[,<device>...]] | [-p|--port <port>[,<port>...]]] [-s|--status <status>] [-f|--freq <frequency>]

DESCRIPTION

       Serial General Purpose Input Output (SGPIO) is a communication method used between a main board and a variety of internal and external hard
       disk drive bay enclosures.  This utility can be used to control LEDs in an enclosure.  For more information about SGPIO, please consult the
       SFF-8485 Specification.

OPTIONS

       -h, --help
	      displays a short help text

       -V, --version
	      displays the utility and AHCI SGPIO specification

       -d, --disk
	      disk name of LED location.  Names are sda,sdb,sdc,... Multiple names can be provided in a comma-delimited list.

       -p, --port
	      SATA  port  number  of  LED location, can be used if a disk name is no longer valid. 0,1,2,3,... Multiple ports can be provided in a
	      comma-delimited list.

       -s, --status
	      status of the LED to set.  LED status is: locate, fault, rebuild, off

       -f, --freq
	      Set the frequency at which the LED should blink (in Hz). Frequency should be an integer between 1 and 10.

EXAMPLES

       Set the locate LED on SDA with an Intel Intelligent backplane:
	      sgpio -d sda -s locate

       Set the locate LED on SDA to flash at 3 Hz for non-intelligent backplanes:
	      sgpio -d sda -s locate -f 3

       Set SATA port 2 with fault at a 3 Hz flash rate:
	      sgpio -p 2 -s fault -f 3

       Set disks sda through sdf to fault:
	      sgpio -d sda,sdb,sdc,sdd,sde,sdf -s fault

EXIT STATUS

       sgpio should return zero when successful.  It will return with a non-zero value if there was a failure.

AUTHOR

       Eric R. Hall <Eric.R.Hall@intel.com>

version 0.3							   December 2007							  sgpio(1)