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Diffstat (limited to 'docs/DISCOVERABLE_PARTITIONS.md')
| -rw-r--r-- | docs/DISCOVERABLE_PARTITIONS.md | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/docs/DISCOVERABLE_PARTITIONS.md b/docs/DISCOVERABLE_PARTITIONS.md index f1537b8939..20f4206d08 100644 --- a/docs/DISCOVERABLE_PARTITIONS.md +++ b/docs/DISCOVERABLE_PARTITIONS.md @@ -9,21 +9,21 @@ _TL;DR: Let's automatically discover, mount and enable the root partition, `/home/`, `/srv/`, `/var/` and `/var/tmp/` and the swap partitions based on GUID Partition Tables (GPT)!_ -The GUID Partition Table (GPT) is mandatory on EFI systems. It allows -identification of partition types with UUIDs. So far Linux has made little use -of this, and mostly just defined one UUID for file system/data partitions and -another one for swap partitions. With this specification, we introduce -additional partition types to enable automatic discovery of partitions and -their intended mountpoint. This has many benefits: +This specification describes the use of GUID Partition Table (GPT) UUIDs to +enable automatic discovery of partitions and their intended mountpoints. +Traditionally Linux has made little use of partition types, mostly just +defining one UUID for file system/data partitions and another one for swap +partitions. With this specification, we introduce additional partition types +for specific uses. This has many benefits: * OS installers can automatically discover and make sense of partitions of existing Linux installations. -* The OS can discover and mount the necessary file systems with a non-existing +* The OS can discover and mount the necessary file systems with a non-existent or incomplete `/etc/fstab` file and without the `root=` kernel command line option. -* Container managers (such as nspawn and libvirt-lxc) can decode and set up +* Container managers (such as nspawn and libvirt-lxc) can introspect and set up file systems contained in GPT disk images automatically and mount them to the - right places, thus allowing booting the same, identical images on bare-metal + right places, thus allowing booting the same, identical images on bare metal and in Linux containers. This enables true, natural portability of disk images between physical machines and Linux containers. * As a help to administrators and users partition manager tools can show more |