12-31-2012
I do have the EqualLogic login and looked but found nothing useful there for AIX.
The SAN is completely using iSCSI, has two separate controllers completely that are for redundancy in case of hardware failure. That does not have to be balanced because it's only used if the other controller isn't active. It has two ports on each controller that it will load balance or failover as well.
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LEARN ABOUT CENTOS
usb_make_path
USB_MAKE_PATH(9) Host-Side Data Types and Macro USB_MAKE_PATH(9)
NAME
usb_make_path - returns stable device path in the usb tree
SYNOPSIS
int usb_make_path(struct usb_device * dev, char * buf, size_t size);
ARGUMENTS
dev
the device whose path is being constructed
buf
where to put the string
size
how big is "buf"?
RETURN
Length of the string (> 0) or negative if size was too small.
NOTE
This identifier is intended to be "stable", reflecting physical paths in hardware such as physical bus addresses for host controllers or
ports on USB hubs. That makes it stay the same until systems are physically reconfigured, by re-cabling a tree of USB devices or by moving
USB host controllers. Adding and removing devices, including virtual root hubs in host controller driver modules, does not change these
path identifiers; neither does rebooting or re-enumerating. These are more useful identifiers than changeable ("unstable") ones like bus
numbers or device addresses.
With a partial exception for devices connected to USB 2.0 root hubs, these identifiers are also predictable. So long as the device tree
isn't changed, plugging any USB device into a given hub port always gives it the same path. Because of the use of "companion" controllers,
devices connected to ports on USB 2.0 root hubs (EHCI host controllers) will get one path ID if they are high speed, and a different one if
they are full or low speed.
COPYRIGHT
Kernel Hackers Manual 3.10 June 2014 USB_MAKE_PATH(9)