Upgrading rootvg disks on the fly. Post: 302884898

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Operating Systems AIX Upgrading rootvg disks on the fly. Post 302884898 by rbatte1 on Wednesday 22nd of January 2014 10:54:38 AM

01-22-2014

Moderator

Well, assuming that you have:-

hot-plug disks
spare slots to put new ones in that you can boot from
current disks are hdisk0 & hdisk1

If you insert a new disk and run cfgmgr -S does it discover it? Let's refer to these as hdisk100 and 101.

Code:

extendvg rootvg hdisk100 hdisk101

migratepv hdisk0 hdisk100
bosboot -ad hdisk100
bootlist -o -m normal hdisk1 hdisk100        # Just in case we lose the other disk at the wrong moment.

migratepv hdisk1 hdisk101
bosboot -ad hdisk101
bootlist -o -m normal hdisk100 hdisk101

reducevg rootvg hdisk0 hdisk1

I hope that this helps

Robin
Liverpool/Blackburn
UK

---------- Post updated at 03:54 PM ---------- Previous update was at 03:52 PM ----------

Oh great, RAID disks. What do you see as rootvg from AIX then? If it's a single protected disk, then it's all handled by the RAID manager and it's not an AIX question.

It would have been nice to know this first.

I await the output from the request by -=XrAy=-

rbatte1

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LEARN ABOUT NETBSD

ataraid

ATARAID(4)						   BSD Kernel Interfaces Manual 						ATARAID(4)

NAME

     ataraid -- software BIOS RAID

SYNOPSIS

     pseudo-device ataraid
     ld* at ataraid? vendtype ? unit ?

DESCRIPTION

     The ataraid driver provides support for BIOS-based software RAID controllers.  These are devices which have some simple support for several
     basic RAID levels (often RAID 0 and RAID 1), but which require software support to actually perform the RAID function.  The BIOS support is
     largely just to create and recognize the array so that it may be a boot device.

     The driver currently supports RAID formats from:
	   o   Adaptec HostRAID (found in Intel 6300ESB)
	   o   Intel MatrixRAID
	   o   JMicron RAID
	   o   nVidia MediaShield
	   o   Promise FastTrak
	   o   Via V-RAID (found in many VIA-based motherboards)

     Status of the logical disk as well as the disks associated with it, can be viewed through the bioctl(8) utility.

SEE ALSO

     ld(4), bioctl(8)

HISTORY

     The ataraid driver first appeared in NetBSD 2.0.

AUTHORS

     The ataraid driver was originally adapted from FreeBSD by Jason Thorpe <thorpej@NetBSD.org>.

BUGS

     Not all features of the software RAID are currently recognized or supported.  For example, the Adaptec support doesn't recognize when a RAID
     1 should be in a ``building'' state, and it does not do the right thing.

     At least part of the reason for this is that the publically-available information on these formats is quite limited.

BSD
								September 16, 2008							       BSD

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