I think you'll find that any attempt to make zones (certainly whole root
ones) will fail after this.
Jim
---
Mike Gerdts wrote:
> On Sat, May 31, 2008 at 5:16 PM, Bob Friesenhahn
> <[EMAIL PROTECTED]> wrote:
>
>> On my heavily-patched Solaris 10U4 system, the size of /var (on UFS)
>> has gotten way out of hand due to the remarkably large growth of
>> /var/sadm. Can this directory tree be safely moved to a zfs
>> filesystem? How much of /var can be moved to a zfs filesystem without
>> causing boot or runtime issues?
>>
>
> /var/sadm is not used during boot.
>
> If you have been patching regularly, you probably have a bunch of
> undo.Z files that are used only in the event that you want to back
> out. If you don't think you will be backing out any patches that were
> installed 90 or more days ago the following commands may be helpful:
>
> To understand how much space would be freed up by whacking the old undo files:
>
> # find /var/sadm/pkg -mtime +90 -name undo.Z | xargs du -k \
> | nawk '{t+= $1; print $0} END {printf("Total: %d MB\n", t / 1024)}'
>
> Copy the old backout files somewhere else:
>
> # cd /var/sadm
> # find pkg -mtime +90 -name undo.Z \
> | cpio -pdv /somewhere/else
>
> Remove the old (90+ days) undo files
>
> # find /var/sadm/pkg -mtime +90 -name undo.Z | xargs rm -f
>
> Oops, I needed those files to back out 123456-01
>
> # cd /somewhere/else
> # find pkg -name undo.Z | grep 123456-01 \
> | cpio -pdv /var/sadm
> # patchrm 123456-01
>
> Before you do this, test it and convince yourself that it works. I
> have not seen Sun documentation (either docs.sun.com or
> sunsolve.sun.com) that says that this is a good idea - but I haven't
> seen any better method for getting rid of the cruft that builds up in
> /var/sadm either.
>
> I suspect that further discussion on this topic would be best directed
> to [EMAIL PROTECTED] or sun-managers mailing list (see
> http://www.sunmanagers.org/).
>
>
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