From: John Wilkins Date: Thu, 12 Jul 2012 00:35:01 +0000 (-0700) Subject: doc: added DHO config. X-Git-Tag: v0.50~90 X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=e5997f4e11291208a69e54a2bd2d758ca70f929c;p=ceph.git doc: added DHO config. Signed-off-by: John Wilkins --- diff --git a/doc/install/hardware-recommendations.rst b/doc/install/hardware-recommendations.rst index 969373005ea1..a1d082717142 100644 --- a/doc/install/hardware-recommendations.rst +++ b/doc/install/hardware-recommendations.rst @@ -54,3 +54,53 @@ and development clusters can run successfully with modest hardware. | +----------------+------------------------------------+ | | Network | 2-1GB Ethernet NICs | +--------------+----------------+------------------------------------+ + +.. important: If you are running an OSD with a single disk, create a + partition for your volume storage that is separate from the partition + containing the OS. Generally, we recommend separate disks for the + OS and the volume storage. + +Production Cluster Example +========================== + +Production clusters for petabyte scale data storage may also use commodity +hardware, but should have considerably more memory, processing power and data +storage to account for heavy traffic loads. + +A recent (2012) Ceph cluster project is using two fairly robust hardware +configurations for Ceph OSDs, and a lighter configuration for monitors. + ++----------------+----------------+------------------------------------+ +| Configuration | Criteria | Minimum Recommended | ++================+================+====================================+ +| Dell PE R510 | Processor | 2 64-bit quad-core Xeon CPUs | +| +----------------+------------------------------------+ +| | RAM | 16 GB | +| +----------------+------------------------------------+ +| | Volume Storage | 8-2TB drives. 1-OS 7-Storage | +| +----------------+------------------------------------+ +| | Client Network | 2-1GB Ethernet NICs | +| +----------------+------------------------------------+ +| | OSD Network | 2-1GB Ethernet NICs | +| +----------------+------------------------------------+ +| | NIC Mgmt. | 2-1GB Ethernet NICs | ++----------------+----------------+------------------------------------+ +| Dell PE R515 | Processor | 1 hex-core Opteron CPU | +| +----------------+------------------------------------+ +| | RAM | 16 GB | +| +----------------+------------------------------------+ +| | Volume Storage | 12-3TB drives. Storage | +| +----------------+------------------------------------+ +| | OS Storage | 1-500GB drive. Operating System. | +| +----------------+------------------------------------+ +| | Client Network | 2-1GB Ethernet NICs | +| +----------------+------------------------------------+ +| | OSD Network | 2-1GB Ethernet NICs | +| +----------------+------------------------------------+ +| | NIC Mgmt. | 2-1GB Ethernet NICs | ++----------------+----------------+------------------------------------+ + + + + +