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Full Discussion: Upgrading rootvg disks on the fly.
Operating Systems AIX Upgrading rootvg disks on the fly. Post 302884763 by acascianelli on Wednesday 22nd of January 2014 10:31:00 AM
Old 01-22-2014
Upgrading rootvg disks on the fly.
I'm looking for a way to upgrade disks containing my rootvg volume group on the fly without a reboot.

Currently, rootvg contains 2x74gb drives in RAID 10. What I want to do is swap them out one-by-one with 146gb drives then expand the volume group. I've done this with a test system before, and the new drives are recognized as being the larger capacity but I can't extend the volume group to the extra size. lsvg rootvg still shows the vg as being 74gb.

I've tried simply using 'chvg -g rootvg', but I get the following error...

Code:
# chvg -g rootvg                                                                     
0516-1382 chvg: Volume group is not changed. None of the disks in the                
        volume group have grown in size.                                             
0516-732 chvg: Unable to change volume group rootvg.                                 
#

I can't seem to find a way to extend the actual RAID volume past the original 74gb.
Last edited by acascianelli; 01-22-2014 at 11:39 AM..
 

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LEARN ABOUT NETBSD

mfi

MFI(4)							   BSD Kernel Interfaces Manual 						    MFI(4)

NAME

     mfi -- LSI Logic & Dell MegaRAID SAS RAID controller

SYNOPSIS

     mfi* at pci? dev ? function ?

DESCRIPTION

     The mfi driver provides support for the MegaRAID SAS family of RAID controllers, including:

	   -   Dell PERC 5/e, PERC 5/i, PERC 6/e, PERC 6/i
	   -   Intel RAID Controller SRCSAS18E, SRCSAS144E
	   -   LSI Logic MegaRAID SAS 8208ELP, MegaRAID SAS 8208XLP, MegaRAID SAS 8300XLP, MegaRAID SAS 8308ELP, MegaRAID SAS 8344ELP, MegaRAID
	       SAS 8408E, MegaRAID SAS 8480E, MegaRAID SAS 8708ELP, MegaRAID SAS 8888ELP, MegaRAID SAS 8880EM2, MegaRAID SAS 9260-8i
	   -   IBM ServeRAID M1015, ServeRAID M5014

     These controllers support RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, RAID 50 and RAID 60 using either SAS or SATA II drives.

     Although the controllers are actual RAID controllers, the driver makes them look just like SCSI controllers.  All RAID configuration is done
     through the controllers' BIOSes.

     mfi supports monitoring of the logical disks in the controller through the bioctl(8) and envstat(8) commands.

EVENTS

     The mfi driver is able to send events to powerd(8) if a logical drive in the controller is not online.  The state-changed event will be sent
     to the /etc/powerd/scripts/sensor_drive script when such condition happens.

SEE ALSO

     intro(4), pci(4), scsi(4), sd(4), bioctl(8), envstat(8), powerd(8)

HISTORY

     The mfi driver first appeared in NetBSD 4.0.

BSD
								  March 22, 2012							       BSD
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