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Diffstat (limited to 'disk-expand/README.md')
| -rw-r--r-- | disk-expand/README.md | 24 |
1 files changed, 11 insertions, 13 deletions
diff --git a/disk-expand/README.md b/disk-expand/README.md index 51b14c6..d93917d 100644 --- a/disk-expand/README.md +++ b/disk-expand/README.md @@ -4,23 +4,19 @@ This package is intended to expand the root partition up to 2TB on a GCE VM. It consists of several scripts from other packages that for various reasons are not maintained by the distros; cloud-utils-growpart, dracut-modules-growroot, and an upstream version of the growpart script. See below for details. This package is -being provided on an experimental basis for GCE CentOS and RHEL 6 images only. +being provided on an experimental basis for GCE CentOS and RHEL images only. ### Build the package A script to build the package is provided for convenience. `./build_package.sh /OUTPUT_DIR` will yield an rpm and an srpm in the -defined output directory. +defined output directory for EL6 and EL7. ### Package usage -1. Update to the latest packages and reboot. If there is a kernel update, - you need to be running the new kernel for dracut to update it properly. - Alternativley, if there is not a kernel update you can just install the - gce-disk-expand package in the next step. - `yum -y update ; reboot` -1. Install the gce-disk-expand package with yum and reboot: - `yum -y install /PATH_TO/gce-disk-expand-el6-VER-DATE.x86_64.rpm ; reboot` +Install the gce-disk-expand package for your distro with yum and reboot: + CentOS/RHEL 6: `yum -y install /PATH_TO/gce-disk-expand-el6-VER-DATE.x86_64.rpm ; reboot` + CentOS/RHEL 7: 'yum -y install /PATH_TO/gce-disk-expand-el7-VER-DATE.x86_64.rpm ; reboot` Your root partition will now be expanded to the full size of your disk up to 2TB. @@ -38,15 +34,17 @@ further upstream releases of this script. It is therefore not recommended that you try to use the [0.27 growpart package](http://rpmfind.net/linux/RPM/epel/6/x86_64/cloud-utils-growpart-0.27-10.el6.x86_64.html) from the EPEL repo. -#### Dracut modules +#### Dracut module for EL6 The dracut module is taken from the [dracut-modules-growroot](http://rpmfind.net/linux/RPM/epel/6/x86_64/dracut-modules-growroot-0.20-2.el6.noarch.html) package in the EPEL 6 repo. The dracut module allows the partition table to be -expanded on boot before / is mounted and prevents an additional reboot. +expanded on boot before / is mounted and prevents an additional reboot in CentOS +and RHEL 6. CentOS and RHEL 7 support live partition resizing by the kernel and +do not need the dracut module. -#### The expand-root init.d script +#### The expand-root script -The expand-root init.d script is derived from the +The expand-root script is derived from the [bootstrap-vz version](https://github.com/andsens/bootstrap-vz/blob/c682dab6ec51767b6e529c1589c5630f6295953a/bootstrapvz/common/assets/init.d/expand-root) of this script used for Debian instances. Essentially, it just calls the proper filesystem expansion utility to live resize the filesystem on first boot. The |