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Operating Systems AIX AIX 5.3 MPIO vs RDAC on DS4000 range Post 302244607 by zaxxon on Wednesday 8th of October 2008 09:28:23 AM
Old 10-08-2008
Since MPIO has load balancing and path failover functionality, it will accept more than 1 path for sure. And yes, you can install it on VIO afaik.
We are not sharing any disks via VIO - only hosting some adapters for our admin LAN with SEA FAILOVER.
Usually we provide for our boxes direct access via MPIO or PowerPath to our SAN storage.

I don't know anything about RDAC, but when you just Google for AIX VIO and MPIO, you find a lot of documentation and also this thread, that might be helpful:
MPIO or RDAC for DS4800 - ITtoolbox Groups

Also 2 Redbooks that might help:
IBM Redbooks | PowerVM Virtualization on IBM System p: Introduction and Configuration Fourth Edition
IBM Redbooks | IBM System Storage N series MPIO Support?Frequently Asked Questions
 

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

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 v5.14.2 2012-02-11 URI::URL(3pm)
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