Question re reducing a file system in FreeBSD 6.2
Frank Wissmann
frank.wissmann41 at web.de
Thu Jul 12 14:00:24 UTC 2007
irene.kelly at apn.co.nz wrote:
> Hi,
>
> I have a question re reducing a filesystem in FreeBSD 6.2 - I am new to
> FreeBSD - I am use to AIX
>
> We have FreeBSD installed on a dell 1950 - I would like to reduce the size
> of /usr in case I want to added the space to another file system.
> We currently have all our space allocated as follows.
>
> Here is the set-up
>
> $ df -h
> Filesystem Size Used Avail Capacity Mounted on
> /dev/mfid0s1a 1.9G 59M 1.7G 3% /
> devfs 1.0K 1.0K 0B 100% /dev
> /dev/mfid0s1d 1.9G 14K 1.8G 0% /tmp
> /dev/mfid0s1f 58G 3.2G 50G 6% /usr
> /dev/mfid0s1e 1.9G 58M 1.7G 3% /var
> $ mount
> /dev/mfid0s1a on / (ufs, local)
> devfs on /dev (devfs, local)
> /dev/mfid0s1d on /tmp (ufs, local, soft-updates)
> /dev/mfid0s1f on /usr (ufs, local, soft-updates)
> /dev/mfid0s1e on /var (ufs, local, soft-updates)
>
> In AIX I can reduce the filesystem on the fly - however I don't think I
> can do that with FreeBSD from what I have seen and I am not sure how this
> would be done consdering it is /usr I would like to reduce.
> I am currently looking at google to see what I can find.
>
> Any Suggestions you have would be helpful.
>
> Thank you &
> Regards
> Irene
> ********************************************************************************
Hi!
As far as I do know there is only one way to do what you want:
1. Backup your partition to an external disk using the "dump" command.
2. Boot your computer from a Live-CD and delete that particular
partition.
3. Make a smaller partition using "bsdlabel" and mount it.
4. Restore your data in the new and smaller partition using the named
command "restore".
This seems to be a hard work, but AFAIK is the only way in FBSD to
resize a partition to a smaller amount.
Greetings
Frank
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