Date: Wed, 29 Mar 2006 11:05:11 -0500 From: "Scott Hiemstra" <shiemstra@h2.com> To: <freebsd-questions@freebsd.org> Subject: RE: Add partition to existing disk Message-ID: <20060329160308.5193C43D68@mx1.FreeBSD.org> In-Reply-To: <200603291551.k2TFpdOp002072@clunix.cl.msu.edu>
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Thanks Jerry... I'll give it a try this evening. > -----Original Message----- > From: owner-freebsd-questions@freebsd.org > [mailto:owner-freebsd-questions@freebsd.org] On Behalf Of > Jerry McAllister > Sent: Wednesday, March 29, 2006 10:52 AM > To: Scott Hiemstra > Cc: freebsd-questions@freebsd.org > Subject: Re: Add partition to existing disk > > Hi, > > > I have an existing system which I cannot reinstall and > sysinstall seems like > > too much of a wizard to use on a well running existing > system. When I built > > the system 2 years ago I decided to leave about 25GB of > unpartitioned space > > for future unknown projects, I now have a use for the space > but I can't for > > the life of me figure out exactly what steps are needed to > use the space. > > > > The system is configured as follows: > > Dell PE 2650 with 3x36GB drives in a Hardware RAID 5 on a > PERC controller > > 4.11-STABLE > > > > And the currect disklabel is: > > #disklabel aacd0s1 > > # /dev/aacd0s1c: > > type: ESDI > > disk: aacd0s1 > > label: > > flags: > > bytes/sector: 512 > > sectors/track: 63 > > tracks/cylinder: 255 > > sectors/cylinder: 16065 > > cylinders: 8849 > > sectors/unit: 142175187 > > rpm: 3600 > > interleave: 1 > > trackskew: 0 > > cylinderskew: 0 > > headswitch: 0 # milliseconds > > track-to-track seek: 0 # milliseconds > > drivedata: 0 > > > > 8 partitions: > > # size offset fstype [fsize bsize bps/cpg] > > a: 4096000 0 4.2BSD 2048 16384 90 # > (Cyl. 0 - 254*) > > b: 3072000 4096000 swap # > (Cyl. 254*- 446*) > > c: 142175187 0 unused 0 0 # > (Cyl. 0 - > > 8849*) > > e: 12288000 7168000 4.2BSD 2048 16384 89 # > (Cyl. 446*- > > 1211*) > > f: 4096000 19456000 4.2BSD 2048 16384 90 # > (Cyl. 1211*- > > 1466*) > > g: 61440000 23552000 4.2BSD 2048 16384 89 # > (Cyl. 1466*- > > 5290*) > > > > As you can see I have space available from 84992000 through > 142175187. I > > have done similar things in Solaris and other OS's but I'm > just not sure > > exactly what the FreeBSD steps are to utilize this space. > > > > Any pointers are appreciated. > > Go to single user mode. > do: > fsck -p (shouldn't be needed, but just in case) > mount -u / > mount -a > swapon -a > > run disklabel -e on the drive > disklabel -e [-r] aacd0s1 > > Add the following line in the edit file it gives you. > > > h: * * 4.2BSD 2048 16384 89 > > (I am not sure about that 89 for bps/cpg. Just use what it wants to) > > Write and quit the edit session. > > Then to an newfs on the /dev/aacds1h partition > > newfs -b 16384 -f 2048 -i 2048 /dev/raacd0s1h > > (You could just take the defaults for the newfs, but I like > to specify > block and frag the same as in the disklabel and the -i causes it to > make more inodes which I seem to need on larger file systems) > > Add a mount point for it however you want, for example > mkdir /work > > add a line to your /etc/fstab > > /dev/ad0s3h /work ufs rw 2 2 > > Substitute your own mount point if you created one with a > different name. > > Type mount -a and voila, you have it. > > You might have to run an fsck on it. > > > > > > Thanks, > > Scott > > > > > > > > _______________________________________________ > > freebsd-questions@freebsd.org mailing list > > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > > To unsubscribe, send any mail to > "freebsd-questions-unsubscribe@freebsd.org" > > > > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to > "freebsd-questions-unsubscribe@freebsd.org" > >
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