Re: which is the best partition table format?
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On Sunday 01 December 2002 4:45 am, Derrick 'dman' Hudson wrote:
...
> I
> ended up creating a single 20GB partition, and currently have a 5GB
> /data/media logical volume and a 1GB /data/prjmgmt (for the cvs root
> and aegis project repository) logical volume. Both are holding ext3
> filesystems.
Here is the result of a "df" on my system - this is of course a snapshot of
what it does. Already come and gone is a LV for a subversion repository and
an LV for /var/www (I used to hold a debian mirror there created with
apt-move - but now I just use apt-proxy so I released the space). Of special
interest is the last entry which is a special LV I created in order to build
kde debs. You need an "unstable" system and this machine is running sarge,
so this partition contains a chrooted unstable system. I had no idea how
much space would be needed, and initially allocated 2Gb - I subsequently
increased it twice (to 3Gb and then to 4Gb) as I started to run out of space.
You will also notice this flexibility encourages small little partitions for
specific purposes. All the separate partitions in /bak are various other
machines backups and since I don't know how much space each might need at
anyone time its easier to create separate LVs
alan@roo:~$ df
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/hda1 1921156 864324 959240 48% /
/dev/vg/home 2040400 135072 1801700 7% /home
/dev/vg/roo 10321208 2918092 6878828 30% /bak/roo
/dev/vg/tosh 5160576 2850004 2048428 59% /bak/portege
/dev/vg/pooh 22706684 8292140 13261112 39% /bak/pooh
/dev/vg/arch 4128448 745384 3173352 20% /bak/archive
/dev/vg/var 5184736 1833404 3087960 38% /var
/dev/vg/cvs 2064208 166468 1792884 9% /cvs
/dev/vg/deb 4128448 2857400 1145220 72% /root/deb
alan@roo:~$
The last thing to say is that the Volume Group vg covers three disks (a second
partition on /dev/hda, most of /dev/hdb - a small swap partiion is also
allocated - and all of /dev/hdc - although I followed recommendations and
made a single partition /dev/hdc1). The /bak/roo LV is all allocated on
/dev/hdb2 and the other non /bak LVs (apart from the last - which I don't
backup and therefore did not bother to worry about where it is) NOT on
/dev/hdb, so I can do genuinely do a disk to disk backup of my system (this
was why I agonised over whether I needed one or two volume groups in the
original setup - see earlier post).
- --
Alan Chandler
alan@chandlerfamily.org.uk
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