add space to a file system

tuhin — Fri, 23 Aug 2002 06:57:35 GMT

my /var system is full.
so i need to add a new hdd.
but how can i add or grow my /var system to this new space.

Re: add space to a file system

I_M — Fri, 23 Aug 2002 07:18:16 GMT

Hi

1) buy a disk
2) connect the disk
if you buy a scsi disk, it would be /dev/sdX.
if you buy a IDE disk, it would be /dev/hdX.

3) Create a partition by fdisk.
You need to use "n" for create new partition, "p" for preview and "w" for write quit in the fdisk.

4) After create the partition, create filesystem.

(ext2)
mkfs -t ext2 /dev/your-device-file

(ext3)
mkfs -j /dev/your-device-file

5) test for mount the new partitin.
# mkdir /test
# mount /dev/your-device-file /test
# df
# umount /test

6) boot the system single user mode

From lilo prompt,
boot: linux single

7) mount the new partition
# mkdir /2ndvar
# mount /dev/your-device-file /2ndvar
# df

8) mount the your original /var

9) copy the data
# cd /var
# find . -print | cpio -pvmdu /2ndvar

10) compare the size
# df

11) Change /etc/fstab to use new var at next boot

12) reboot (with your finger cross)

13) boot and check

My recommendation is, cleanup your /var dir , if you feel this procedure is too complicated....

Good luck

Re: add space to a file system

Bill Thorsteinson — Mon, 26 Aug 2002 14:58:37 GMT

Are you rotating your log files. Implement logrotate,
and clear out old logs. This
should help.

Walk your /var tree using
du -s *
to find the largest space users. Likely /var/adm.

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