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Full Discussion: replacing mirror disk
Operating Systems AIX replacing mirror disk Post 302555904 by johnf on Friday 16th of September 2011 05:23:42 AM
Old 09-16-2011
As far as I am concerned the simple answer is no you do not have to reboot! First you unmirror rootvg; then withdraw the offending disk with reducevg; delete the disk the rmdev; if the disk is hot swap then withdraw the disk and replace it, however if the disk is not hot swap the system will need to be shutdown and the disk replaced. Once the system is restarted add the new disk to rootvg with the extendvg command and remirror to the new drive. Once this is complete do not forget to set the bosboot and bootlist.

That is that!
 

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reboot(8)						      System Manager's Manual							 reboot(8)

Name
       reboot - automatic reboot procedures

Syntax
       /etc/reboot [ -n ] [ -q ]

Description
       The  ULTRIX  system is booted by loading a kernel image, usually into memory at location zero and transferring to zero.	Because the system
       is not reenterable, the kernel image must be read in from disk each time the system is bootstrapped.

       When the reboot of a running system is desired, is normally used.  If there are no users, can be used.  The command causes the disks to	be
       synced,	and  then  a multiuser reboot is initiated.  The system is booted and an automatic disk check is performed.  If the procedure suc-
       ceeds, the system is then brought up for the users.

       The system will reboot itself after a power failure or after a crash, provided auto-restart is enabled on your system.  A consistency check
       of the file systems will be performed and, unless the check fails, the system will resume multiuser operations.

Options
       -n   Prevents the disks from being synced.

       -q   Reboots quickly and ungracefully, without shutting down running processes first.

Files
       System code

See Also
       crash(8v), fsck(8), halt(8), init(8), newfs(8), rc(8), shutdown(8)

																	 reboot(8)
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