/var got really big
CLIFFORD ILKAY
clifford_ilkay at dinamis.com
Thu Oct 16 22:38:24 UTC 2008
John Hubbard wrote:
> CLIFFORD ILKAY wrote:
>> John Hubbard wrote:
>>
>>> I have a 1 day old install of ubuntu 8.04 server. My /var directory is
>>> pretty big. It seems that most of it is a collection of about 900MB of
>>> .debs in /var/cache/apt/archives. (I installed kde, gnome and xfce
>>> desktops) I usually won't worry too much but I installed /var on a
>>> separate 3GB partition and if it keeps growing it will run out of
>>> space. My laptop's /var is only 90MB which is what led me to think 3GB
>>> would be plenty of space. Do the files in the apt archive ever get
>>> cleaned out? Is it safe to delete them?
>>>
>> Others have suggested you clean the apt cache. Since you have more than
>> one machine, I'd suggest you do the opposite. Install and configure
>> apt-cacher on your server and import the packages that are in
>> /var/cache/apt/archives into your apt-cacher cache, which could be
>> wherever you want it to be, though the default is in
>> /var/cache/apt-cacher. Your laptop would then download from your local
>> apt-cacher cache rather than have to download the same packages as your
>> server from the Internet. It saves on bandwidth and makes the update
>> process faster. If a package exists in the cache, it will be used. If
>> not, it will be fetched from an on-line repository.
>>
> How well would that work if my other machines are different operating
> systems? My laptop is still running gutsy because I had problems with
> hardy. It is a 32 bit machine. I am thinking about trying Intrepid on
> it since (I think) my broadcom wireless adapter is now supported without
> the need for ndiswrapper. One of my other machines is a mythbuntu
> machine (still in progress) that will run Intrepid but the 64 bit version.
apt-cacher handles differing versions quite well. If it finds foo.deb
for gutsy in your local cache, it uses it. If not, it fetches it from an
on-line repo. Same story for 32 vs. 64 bit. If you only have one Gutsy
machine, there is no advantage. The advantage to using apt-cacher is if
you have multiple machines using the same version, you only have to
download the packages once.
>> By the way, the problem you're having, that of running out of space on
>> /var, illustrates why using LVM (Logical Volume Manager) is a good idea.
>> LVM makes shrinking or expanding filesystems much easier. If your /var
>> and say, /home, are on logical volumes, assuming you have room to spare
>> on /home, you could shrink /home and expand /var, if you needed to. You
>> still have plenty of free space on /var so you don't have to worry for
>> now. If they're not on logical volumes, it's a bit more work but it's
>> still possible. I suppose you could even symlink /var/cache/apt to a
>> directory on another filesystem that has free space.
>>
> I know that it is possible to use raid and LVM together but it also
> sounded really complicated. Maybe it would have been easier in the long
> run though. The machine is still young enough that it might make sense
> to reinstall again. Maybe I should just ask for more advice before
> installing.
There isn't any appreciable difference in complexity. We use LVM on RAID
all the time in our hosting operation and it works quite well.
--
Regards,
Clifford Ilkay
Dinamis
1419-3266 Yonge St.
Toronto, ON
Canada M4N 3P6
<http://dinamis.com>
+1 416-410-3326
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