Date: Tue, 10 Jun 2008 13:15:24 +0000 From: dhaneshk k <dhaneshkk@hotmail.com> To: <questions@freebsd.org> Cc: Manolis Kiagias <sonicy@otenet.gr> Subject: Adding a second disk to increase the space for /var on first dislk : but umount /var failed Message-ID: <BAY127-W3356B28DE13A8800D34469B2B30@phx.gbl> In-Reply-To: <484E32C9.5060709@otenet.gr> References: <20080609205426.N23640@awww.jeah.net> <9145C6E6-4C2F-4DA3-B953-4A91DC4C476B@goldmark.org> <BAY127-W43E749DD9C1EF75842072AB2B30@phx.gbl> <484E32C9.5060709@otenet.gr>
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I followed as per the directions up to this=20 =20 > Now, unmount /var and /mnt and mount your new var: >=20 > umount /var /mnt > mount -o rw /dev/da1s1e /var >=20 > Edit /etc/fstab and update it for the new disk: >=20 > /dev/da1s1e /var ufs rw 2 2 I am able to umount /mnt but not /var=20 [root@storm ~]# umount /var/ umount: unmount of /var failed: Device busy [root@storm ~]# umount /mnt/ [root@storm ~]# umount /var/ umount: unmount of /var failed: Device busy [root@storm ~]# df -h Filesystem Size Used Avail Capacity Mounted on /dev/ad7s1a 496M 329M 127M 72% / devfs 1.0K 1.0K 0B 100% /dev /dev/ad7s1e 496M 5.4M 451M 1% /tmp /dev/ad7s1f 44G 38G 2.9G 93% /usr /dev/ad7s1d 1.4G 221M 1.1G 16% /var devfs 1.0K 1.0K 0B 100% /var/named/dev [root@storm ~]# umount /dev/ad7s1 ad7s1 ad7s1a ad7s1b ad7s1c ad7s1d ad7s1e ad7s1f =20 [root@storm ~]# umount /dev/ad7s1d=20 umount: unmount of /var failed: Device busy [root@storm ~]# umouny /var/=20 bash: umouny: command not found [root@storm ~]# umouny /var=20 bash: umouny: command not found [root@storm ~]# umount /var umount: unmount of /var failed: Device busy [root@storm ~]# pwd /root [root@storm ~]# umount /var umount: unmount of /var failed: Device busy [root@storm ~]#=20 getting an error Error org.freedesktop.Hal.Device.PermissionDeniedByPolic= y. Details hal-storage-fixed -mount refused uid 0 How to fix this an= d umount /var =20 Any hints most welcome :=20 Thanks in advance=20 Dhanesh > Date: Tue, 10 Jun 2008 10:52:41 +0300 > From: sonicy@otenet.gr > To: dhaneshkk@hotmail.com > CC: freebsd-questions@freebsd.org > Subject: Re: Adding a second disk to increase the space for /var on first= dislk : 4 questions >=20 >=20 >=20 > dhaneshk k wrote: > > > > people : I am facing a issue , in my FreeBSD server box the = /var (85 % now) directory is going to full , no space left in this disk= anymore . > > > > But I have another disk in my box which is of 140 GB fresh disk , this= I have to add so I gone through=20 > > the FreeBSD hand book of adding a new disk . > > > > > > According to docs I sliced and partitioned the second disk , > > > > one doubt : here I created 10GB bsd partition in the second disk = , > > > > I have to assign o assign this for /var (in my first disk /var is go= ing to full)=20 > > > > > > Q1 ) so in /etc/fstab , the mount point what I have to specify = ? =20 > > > > /var itself or I need to create a directory (mkdir /myspace )=20 > > > > and add it as the mount point in /etc/fstab ? like this=20 > > > > > > /dev/da1s1e /myspace ufs rw 2 2 > > > > > > OR=20 > > > > /dev/da1s1e /var ufs rw 2 2 =20 > > > > > > > > which one is correct ? > > > > > > > > and after this editing of /etc/fstab and restarting of the machine . > > > > > > Q 2 ) my serverbox how it will continue to use the newly added spa= ce ? for this I have to do any thing=20 > > > > > > some one told me that I have to copy all the contents of the /var of f= irst disk to this newly added space=20 > > > > is it right ? > > > > how to do that=20 > > > > > > Q3 ) dd /dev/da0s1d /dev/da1s1/e right ? (to copy the con= tent from /var (/dev/da0s1d) of the first disk to the newly added s= pace for var on the second disk (/dev/da1s1e )=20 > > > > > > > > Q4 ) Is it needed to install all the applications which already instal= led in the /var of the first disk to the newly=20 > > > > added space on the second disk?=20 > > > > > > > > > > please give your tips and advice to achieve what I am trying to do. = Many of you may have done this=20 > > > > before please help with your comments=20 > > > > > > > > > > Thanks in advance for all of you=20 > > Dhanesh > > > > > > > > _________________________________________________________________ > > No Harvard, No Oxford. We are here. Find out !! > > http://ss1.richmedia.in/recurl.asp?pid=3D500___________________________= ____________________ > > 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" > > > > > > > > =20 >=20 > You will have to do something like the following: >=20 > - Mount the new partition to a temporary mount point (like /mnt) i.e.: >=20 > mount /dev/da1s1e /mnt >=20 > - Copy all the contents from /var to /mnt. Since /var is in use in a=20 > running system, the results maybe less than optimal. I suggest you=20 > switch to single user mode for doing this: >=20 > shutdown now >=20 > Use something like the following to transfer the files and permissions: >=20 > tar cfC - /var . | tar xpfC - /mnt >=20 > (thank you M.W. Lucas!) >=20 > Now, unmount /var and /mnt and mount your new var: >=20 > umount /var /mnt > mount -o rw /dev/da1s1e /var >=20 > Edit /etc/fstab and update it for the new disk: >=20 > /dev/da1s1e /var ufs rw 2 2 >=20 > either exit to multi user mode or reboot. Of course, check that the=20 > files were actually copied to their right places first! >=20 >=20 >=20 >=20 > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.o= rg" _________________________________________________________________ 2000 Placements last year. Are You next ? Find out http://ss1.richmedia.in/recurl.asp?pid=3D499=
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