[CentOS] disk partitioning - I'm missing something simple, I think
Craig White
craig at tobyhouse.com
Fri May 9 19:46:33 UTC 2008
On Fri, 2008-05-09 at 15:36 -0400, Ray Leventhal wrote:
> Hi all,
>
> Excuse the question as I'm sure those more experienced will find it simple.
>
> I've a CentOS5.1 box with six physical drives, two of which are used for
> nightly rsync
> backups. Contents of /etc/mtab, /etc/fstab, df and a brief narrative
> follow:
>
> ======================================================
> # cat ./fstab
> /dev/VolGroup00/LogVol00 / ext3 defaults 1 1
> LABEL=/home /home ext3 defaults 1 2
> LABEL=/home/adminusers /home/adminusers ext3
> defaults 1 2
> LABEL=/boot /boot ext3 defaults 1 2
> tmpfs /dev/shm tmpfs defaults 0 0
> devpts /dev/pts devpts gid=5,mode=620 0 0
> sysfs /sys sysfs defaults 0 0
> proc /proc proc defaults 0 0
> /dev/VolGroup00/LogVol01 swap swap defaults 0 0
> ======================================================
> # cat ./mtab
> /dev/mapper/VolGroup00-LogVol00 / ext3 rw 0 0
> proc /proc proc rw 0 0
> sysfs /sys sysfs rw 0 0
> devpts /dev/pts devpts rw,gid=5,mode=620 0 0
> /dev/sdc1 /home ext3 rw 0 0
> /dev/sdd1 /home/adminusers ext3 rw 0 0
> /dev/sda1 /boot ext3 rw 0 0
> tmpfs /dev/shm tmpfs rw 0 0
> none /proc/sys/fs/binfmt_misc binfmt_misc rw 0 0
> sunrpc /var/lib/nfs/rpc_pipefs rpc_pipefs rw 0 0
> ======================================================
> # df -h
> Filesystem Size Used Avail Use% Mounted on
> /dev/mapper/VolGroup00-LogVol00
> 131G 4.7G 120G 4% /
> /dev/sdc1 271G 147G 111G 58% /home
> /dev/sdd1 271G 3.9G 253G 2% /home/adminusers
> /dev/sda1 99M 20M 74M 22% /boot
> tmpfs 442M 0 442M 0% /dev/shm
> ======================================================
>
> Each night, in addition to our tape backup paradigm, an rsync script is
> run which mounts /dev/sdb1 on /mnt/sysinfo and copies system data from
> sda1 there. /dev/sdb1 is a 146GB drive. The script then mounts
> /dev/sde1 on /mnt/userdata for a copy of /home and /home/adminusers.
> /dev/sde1 is a wholly underutilized 300G drive.
>
> I'd like to move the contents of /home/adminusers from /dev/sdd1 to
> /dev/sdc1 and use that underutilized drive elsewhere. What's the least
> invasive way of doing this given the hardware and partitioning on my system?
>
> Thanks in advance,
----
mkdir /home/adminusers-temp
cp -ar /home/adminusers /home/adminusers-temp
umount /home/adminusers
mv /home/adminusers-temp/* /home/adminusers
rm -fr /home/adminusers-temp
then edit /etc/fstab and comment out /dev/sdd1 line and all should be
good
Craig
More information about the CentOS
mailing list