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RAID 5 on HP-UX

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Operating Systems HP-UX RAID 5 on HP-UX
# 8  
Old 09-11-2009
From my point of vue, I would say no because HP-UX has no software to do so, mirror-ux will do mirroring, RAID5 is achieved by specialized devices such as HP RAID160 SA Controller:
HP RAID160 SA Controller Supported RAID Configurations

You have an usupported OS (or will be very soon...), but an interesting box, do you have a tape device on it? If so I would do a make_recovery tape (man make_recovery...) and use it to reinstall the OS on one disk (vg00) then mirror it and install the rest on 1 disk (vg01) and mirror also.
Since you have 2 independant controllers I would mirror each time a disk from alternate controller.
You could also try to stripe on 2 disks (each on different controller) then mirror with the 2 other disks left...
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LEARN ABOUT FREEBSD

iir

IIR(4)							   BSD Kernel Interfaces Manual 						    IIR(4)

NAME

     iir -- Intel Integrated RAID controller and ICP Vortex driver

SYNOPSIS

     To compile this driver into the kernel, place the following lines in your kernel configuration file:

	   device pci
	   device scbus
	   device iir

     Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5):

	   iir_load="YES"

DESCRIPTION

     The iir driver claims to interface with the Intel integrated RAID controller cards, and all versions of the ICP Vortex controllers (including
     FC).

HARDWARE

     Controllers supported by the iir driver include:

     o	 Intel RAID Controller SRCMR
     o	 Intel Server RAID Controller U3-l (SRCU31a)
     o	 Intel Server RAID Controller U3-1L (SRCU31La)
     o	 Intel Server RAID Controller U3-2 (SRCU32)
     o	 All past and future releases of Intel and ICP RAID Controllers.

     o	 Intel RAID Controller SRCU21 (discontinued)
     o	 Intel RAID Controller SRCU31 (older revision, not compatible)
     o	 Intel RAID Controller SRCU31L (older revision, not compatible)

     The SRCU31 and SRCU31L can be updated via a firmware update available from Intel.

SEE ALSO

     cam(4), pass(4), xpt(4), camcontrol(8)

AUTHORS

     The iir driver is supported and maintained by Achim Leubner <Achim_Leubner@adaptec.com>.

     This manual page was written by Tom Rhodes <trhodes@FreeBSD.org> and is based on information supplied by the driver authors and the website
     of Mike Smith <msmith@FreeBSD.org>.

BSD
								  August 8, 2004							       BSD