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Full Discussion: POWER6 VIO Failover
Operating Systems AIX POWER6 VIO Failover Post 302315437 by homeyjoe on Tuesday 12th of May 2009 10:06:55 AM
Old 05-12-2009
Unfortunately I haven't messed with Partition Mobility, we don't have the $$ for the license, maybe in next year's budget.

MPIO is what you want to use for multiple VIO redundancy. Here's a quick overview:

1 - Setup 2 VIOs and assign the same SAN drives to each system.
2 - Then on both VIOs you change the hdisk attribute 'reserve_policy' to be 'no_reserve' 3 - Assign the hdisk to the LPAR (do on each VIO)-Step 2 is what allows the hdisk to be assigned to the same LPAR from each VIO
4 - Run 'cfgmgr' on the LPAR to detect the drive(s)
5 - Run 'lspath' to verify that the LPAR sees the hdisk from each VIO
6 - Test by rebooting/shutdown one of the VIO servers.

For more detailed info you should download or order the IBM Redbook "PowerVM Virtualization on IBM System p: Introduction and Configuration" (sg24-7490-03)

IBM Redbooks | PowerVM Virtualization on IBM System p: Introduction and Configuration Fourth Edition

And the Best Practices book too: IBM Redbooks | IBM System p Advanced POWER Virtualization (PowerVM) Best Practices
 

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URI::URL(3)						User Contributed Perl Documentation					       URI::URL(3)

NAME
URI::URL - Uniform Resource Locators SYNOPSIS
$u1 = URI::URL->new($str, $base); $u2 = $u1->abs; DESCRIPTION
This module is provided for backwards compatibility with modules that depend on the interface provided by the "URI::URL" class that used to be distributed with the libwww-perl library. The following differences exist compared to the "URI" class interface: o The URI::URL module exports the url() function as an alternate constructor interface. o The constructor takes an optional $base argument. The "URI::URL" class is a subclass of "URI::WithBase". o The URI::URL->newlocal class method is the same as URI::file->new_abs. o URI::URL::strict(1) o $url->print_on method o $url->crack method o $url->full_path: same as ($uri->abs_path || "/") o $url->netloc: same as $uri->authority o $url->epath, $url->equery: same as $uri->path, $uri->query o $url->path and $url->query pass unescaped strings. o $url->path_components: same as $uri->path_segments (if you don't consider path segment parameters) o $url->params and $url->eparams methods o $url->base method. See URI::WithBase. o $url->abs and $url->rel have an optional $base argument. See URI::WithBase. o $url->frag: same as $uri->fragment o $url->keywords: same as $uri->query_keywords o $url->localpath and friends map to $uri->file. o $url->address and $url->encoded822addr: same as $uri->to for mailto URI o $url->groupart method for news URI o $url->article: same as $uri->message SEE ALSO
URI, URI::WithBase COPYRIGHT
Copyright 1998-2000 Gisle Aas. perl v5.18.2 2012-02-11 URI::URL(3)
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