[CentOS] How to move /var to another partition

Sun Sep 25 17:23:16 UTC 2016
J Martin Rushton <martinrushton56 at btinternet.com>

On 25/09/16 18:03, Robert Nichols wrote:
> On 09/25/2016 11:47 AM, TE Dukes wrote:
>> Hello,
>> I am getting low on space in my /(root) partition. I have 23GB free.
>> I have 350GB in my /home partition. I am the only user.
>> I was experimenting with virtualization and it causes the root
>> partition to
>> get very low. I would like to move /var from the root partition, to
>> the same
>> partition as /home, if that's safe to do.
>> Or, resize /home and add another partition for /var
>> I also don't want to screw the pooch doing it.
>> This is over my head. The more I read about it, the more confused I get.
> The way I've been doing it for quite some time is to make /var a
> separate partition, put the home directories on /var/home, and then
> bind-mount /var/home on /home. In /etc/fstab that's:
>     /var/home   /home   none   bind   0 0
> To keep SELinux happy, you need to set up an equivalence of /var/home
> to /home:
>     semanage fcontext -a -e /home /var/home
> It's all completely transparent in the running system. The only time I
> have to remember that it's set up that way is when I'm looking in my
> backups and need to know that home directories are backed up as part
> of /var.

Alternatively create /home/VM and keep the virtualised disks in there.

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