AIX altinst_rootvg Post: 303035648

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Operating Systems AIX AIX altinst_rootvg Post 303035648 by vbe on Thursday 30th of May 2019 04:09:23 AM

05-30-2019

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IMHO it would use what it has so 7.1...
You do have a mksysb somewhere I hope? Thats would be the best deal to put all at the level of that image... then you could start all again... When you say it renamed all the LV are you talking of rootvg only ? because those have just numbers to what I remember so I dont see how you could see anything change, but if the others that is because of their definition you find in /etc/filesystems which is found on rootvg, in other words using a mksysb from a previous configuration may show trouble mounting disks if not the same or for unfound filesystem and will not mount what it doeesnt know of like new LVs etc...
The same is true for passwords, reason why I include root passwd somewhere with it, I did before that make mksysb removing root passwd but found it was a terrible threat as too many engineers around, one could do silly things by mistake...
I have learned maybe the hard way, but I did too because of an HACMP failure long ago, that when anything system has changed like adding removing disks, new net or HBA cards etc... to update a text file YOU manage with vi and nothing else, somewhere you can always find if the system can boot (single user or maintenance level) where you can see what you know of and compare in order to get things right and not drown into more trouble such as the system seeing "new disks" will quite surely scan and find LVs and so ...
AIX is like HP-UX very robust, both have their pros and cons, but both have first class system administration tools which explains they are still on the market, one strength is that very very rarely you need to re-install after a serious issue on the hundred I had to administrate I never had once to reinstall a box except and AIX 4.3 as I never found out what a previous sysadm did to wreck the box , I had to format the root/boot disk twice to get it looking sane again but we are talking pre Y2K ...

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usermount

USERMOUNT(1)						      General Commands Manual						      USERMOUNT(1)

NAME

       usermount - A graphical tool to mount, unmount and format filesystems.

SYNOPSIS

       usermount [ options ]

       userformat [ options ] device

DESCRIPTION

       usermount is a graphical tool to allow users to easily manage removable media, such as floppy disks or zip disks.  When the tool starts up,
       it scans /etc/fstab for all filesystems that have been configured to allow users to mount and unmount them.  The filesystem can be  mounted
       or unmounted by pressing the toggle button labeled Mount.

       Also,  if  the user has the appropriate permissions for the device, the Format button will be active.  This allows the user to format disks
       using fdformat and create a new filesystem of the type listed (using mkfs with the  appropriate	option).   Naturally,  the  user  will	be
       prompted for confirmation before actually destroying data on the device.

       Note that if a device is already mounted, the format button is inactive for all entries that share the same device.

       When run as root, usermount displays all of the entries in /etc/fstab rather than just the ones with the user option.

       Invoking userformat device allows formatting device, as if by selecting device in the userformat window, and by clicking the Format button.

OPTIONS

       This program has no command line options of it's own, but it does take the standard X program options like -display and such.  See the X(1)
       man page for some of the common options.

FILES

       /etc/fstab		The system file describing the mountable filesystems.

SEE ALSO

       mount(8), fdformat(8), mkfs(8), fstab(5) X(1)

BUGS

       Mount entries with a filesystem type of iso9660 are outright considered CD-ROMs and the format button is always disabled.

       Mount entries for swap files or partitions are also ignored.  A nice feature might be to allow root to turn swap on and off for swap parti-
       tions.

AUTHOR

       Otto Hammersmith <otto@redhat.com>

Red Hat 							   March 13 2007						      USERMOUNT(1)