[CentOS] How to move /var to another partition

Sun Sep 25 18:46:51 UTC 2016
TE Dukes <tdukes at palmettoshopper.com>


> -----Original Message-----
> From: centos-bounces at centos.org [mailto:centos-bounces at centos.org] On
> Behalf Of Robert Nichols
> Sent: Sunday, September 25, 2016 1:03 PM
> To: centos at centos.org
> Subject: Re: [CentOS] How to move /var to another partition
> 
> 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.
> 
> --
> Bob Nichols     "NOSPAM" is really part of my email address.
>                  Do NOT delete it.
[Thomas E Dukes] 
Thanks, Bob!!