Date: Tue, 2 Oct 2007 08:03:00 +0200 From: "Zbigniew Szalbot" <zszalbot@gmail.com> To: "Duane Hill" <d.hill@yournetplus.com> Cc: freebsd-questions@freebsd.org Subject: Re: determining the space used in / partition Message-ID: <94136a2c0710012303w48e7297dof1b42952e7048a34@mail.gmail.com> In-Reply-To: <20071002054749.W57595@duane.dbq.yournetplus.com> References: <94136a2c0710012212x506ebc0ajf76ef69ec2f36720@mail.gmail.com> <20071002051809.R57595@duane.dbq.yournetplus.com> <94136a2c0710012223q64102a41y93f3f983fcfc0137@mail.gmail.com> <20071002052548.S57595@duane.dbq.yournetplus.com> <94136a2c0710012236t28b43fc8ud92df49abf0e61d1@mail.gmail.com> <20071002054749.W57595@duane.dbq.yournetplus.com>
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2007/10/2, Duane Hill <d.hill@yournetplus.com>: > On Tue, 2 Oct 2007 at 07:36 +0200, zszalbot@gmail.com confabulated: > > > 2007/10/2, Duane Hill <d.hill@yournetplus.com>: > >> On Tue, 2 Oct 2007 at 07:23 +0200, zszalbot@gmail.com confabulated: > >> > >>> Hello again, > >>> > >>>>> Through df I realized my / partiotion is out of space: > >>>>> Filesystem 1K-blocks Used Avail Capacity Mounted on > >>>>> /dev/ad0s1a 198126 196070 -13794 108% / > >>>>> devfs 1 1 0 100% /dev > >>>>> /dev/ad0s1e 44511308 4217762 36732642 10% /usr > >>>>> /dev/ad0s1d 30462636 3210580 24815046 11% /var > >>>>> devfs 1 1 0 100% /var/named/dev > >>>>> /dev/da0s1c 75685352 34308200 35322324 49% /mnt/usbck > >>>>> > >>>>> How can I determine what occupies the space in it? That is, it is not > >>>>> big as you can see. So I issued: > >>>>> du -hs / > >>>>> but it was taking ages (I am not sure but maybe du -hs counts all > >>>>> directories on the HD? > >>>>> > >>>>> Anyway, I do not really know where to look what has eaten the / space. > >>>>> Were it for /usr or /var, it would be obvious to me where to look for > >>>>> information. > >>>>> > >>>>> Many thanks! > >>>> > >>>> I don't see you have defined a /tmp partition. Perhaps /tmp is taking up > >>>> all the space. Try: > >>>> > >>>> du -h /tmp > >>>> > >>>> and see how much /tmp is taking up. > >>> du -hs /tmp > >>> 1.4M /tmp > >>> > >>> du -hs / > >>> 40GB > >>> > >>> One thing that comes to my mind. Each Sunday I have a script which > >>> makes a full dump of the HD to a back-up USB drive. Last weekend > >>> someone cleaining the computer room, must have accidentally powered > >>> off the USB drive. As a result, the dump has not been completed > >>> because the USB drive was not mounted at that time. I use cron for > >>> this task. Does it matter could have caused this? > >> > >> If the '-L' switch is used (telling dump it is dumping a live file system) > >> it will first dump everything into a .snap directory before performing the > >> dump. What does: > >> > >> du -hs /.snap > >> > >> give for a result? > > Thank you Duane! Yes, I do use the L switch. > > Unfortunately, > > du -hs /.snap > > 2.0K /.snap > > > > Hah - mystery cleared! > > I know what happened but you put me on the right track. > > > > For the record. During the backup, the file system is dumped to a dir > > on a USB drive called backup. Now, since the drive was unavailable, > > the dump utility created /backup dir and populated it with > > lists-var-l0-2007-09-30.dump.bz2 (dumping var) but of course it died > > as there was not enough space on the / to do it. I mean this is what I > > make of this. > > > > So after deleting /backup I get: > > df > > Filesystem 1K-blocks Used Avail Capacity Mounted on > > /dev/ad0s1a 198126 74084 108192 41% / > > devfs 1 1 0 100% /dev > > /dev/ad0s1e 44511308 4217760 36732644 10% /usr > > /dev/ad0s1d 30462636 3210650 24814976 11% /var > > devfs 1 1 0 100% /var/named/dev > > /dev/da0s1c 75685352 34308200 35322324 49% /mnt/usbck > > I'm still learning about all the little details about the workings of > dump myself. It would seem to me, you are dumping to /backup which is the > mount point for the USB device. Would that hold true? I dump to /mnt/usbck/backup. Since backup dir was not present, the script created it under / Thanks! zbigniew szalbot
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