On Mon, 9 Feb 2004 22:25, Malcolm Kay wrote: > On Mon, 9 Feb 2004 13:46, Rob wrote: > > Hi, > > > > I have a hard disk, on which I would like to merge two slices > > into one single slice. The disk slices are as follows: > > > > /dev/ad1s1a 98M 43M 47M 48% /home/userB > > /dev/ad1s1d 64G 45G 14G 77% /home/userA > > /dev/ad1s1e 3.0G 2.5G 282M 90% /home/userC > > /dev/ad1s1f 3.0G 1.0G 1.7G 37% /usr/ports > > /dev/ad1s1g 3.0G 268M 2.5G 10% /mnt > > /dev/ad1s1h 295M 295M -23.5M 109% /diskless_swap > > > > I want to merge /ad1s1f and /ad1s1g into one 6Gb slice. > > > > The merging should NOT destroy anything in the slices before > > (ad1s1a, d, and e), but destroying the data in the one afer > > (ad1s1h) is no problem. > > > > Is there a way to do this? What is the safest one? > > (without having to backup the whole disk). > > Any manipulation at this level is risky. To do so without first > taking a backup endangers all your data. > > But once you have the assurance of a backup you could copy > all the information from /mnt into some new tree in /usr/ports. > That is a tree copy of the content of /dev/ad1s1g to a new tree > on /dev/ad1s1f. > cp -Rp /mnt /usr/ports/newtree > > Having done that partition /dev/ad1s1g becomes free and you > can rebuild the disk label using disklabel to eliminate the 'g' > partition and extend the size of the 'f' partitition to take up the > extra space. But first umount the 'f' and 'g' partitions. > CAUTION > ======== > Do not change the offset of 'f'. If 'g' does not physically > follow 'f' on the disk then this is not going to work -- give up > now!!! > > If all has gone well so far you should now be able to use growfs > on /dev/ad1s1f to expand the file system to fill the partition. > > Remount the 'f' partition and you should be back in business. > > If you want to find what was on /dev/ad1s1g with the original path > then > rm /mnt
Should of course be: rmdir /mnt > ln -s /usr/ports/newtree /mnt > > If you are on 5.x then be warned that I have no experience with > these versions of FBSD. > > And in any case I have never, myself, had occassion to use growfs. > > Malcolm > _______________________________________________ > [EMAIL PROTECTED] mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to > "[EMAIL PROTECTED]" _______________________________________________ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"