From: Zac Dover Date: Mon, 3 Jun 2024 13:43:47 +0000 (+1000) Subject: doc/start: Edit Beginner's Guide X-Git-Tag: v19.1.1~291^2 X-Git-Url: http://git.apps.os.sepia.ceph.com/?a=commitdiff_plain;h=9277e251bbf62822831b56744e022c9d00e5e6e9;p=ceph.git doc/start: Edit Beginner's Guide Make some improvements to the basic text of the Beginner's Guide. Co-authored-by: Anthony D'Atri Signed-off-by: Zac Dover (cherry picked from commit f484a156bed655909617f4e351b692d7a23d0e87) --- diff --git a/doc/start/beginners-guide.rst b/doc/start/beginners-guide.rst index 1d29d6d3be023..d789d0ad49ca6 100644 --- a/doc/start/beginners-guide.rst +++ b/doc/start/beginners-guide.rst @@ -8,6 +8,9 @@ Ceph is a clustered and distributed storage manager. If that's too cryptic, then just think of Ceph as a computer program that stores data and uses a network to make sure that there is a backup copy of the data. +Storage Interfaces +------------------ + Ceph offers several "storage interfaces", which is another way of saying "ways of storing data". These storage interfaces include: - CephFS (a file system) @@ -17,6 +20,9 @@ way of saying "ways of storing data". These storage interfaces include: Deep down, though, all three of these are really RADOS object stores. CephFS and RBD are just presenting themselves as file systems and block devices. +Storage Manager: What is It? +---------------------------- + Ceph is a clustered and distributed storage manager that offers data redundancy. This sentence might be too cryptic for first-time readers of the Ceph Beginner's Guide, so let's explain all of the terms in it: @@ -24,11 +30,11 @@ Ceph Beginner's Guide, so let's explain all of the terms in it: - **Storage Manager.** Ceph is a storage manager. This means that Ceph is software that helps storage resources store data. Storage resources come in several forms: hard disk drives (HDD), solid-state drives (SSD), magnetic - tape, floppy disks, punched tape, Hoellerith-style punch cards, and magnetic + tape, floppy disks, punched tape, Hollerith-style punch cards, and magnetic drum memory are all forms of storage resources. In this beginner's guide, we'll focus on hard disk drives (HDD) and solid-state drives (SSD). -- **Clustered storage manager** Ceph is a clustered storage manager. That means - that the storage manager installed not just on a single machine but on +- **Clustered storage manager.** Ceph is a clustered storage manager. That + means that the storage manager installed not just on a single machine but on several machines that work together as a system. - **Distributed storage manager.** Ceph is a clustered and distributed storage manager. That means that the data that is stored and the infrastructure that