From 99b9682790790e208d96cd8d97a4221a9ea024ad Mon Sep 17 00:00:00 2001 From: Florent Flament Date: Thu, 22 May 2014 14:08:54 +0200 Subject: [PATCH] documentation: update osd pool default size from 2 to 3. Fixes: #7725 Signed-off-by: Florent Flament --- .../configuration/pool-pg-config-ref.rst | 8 +++---- doc/rados/configuration/pool-pg.conf | 24 +++++++++---------- 2 files changed, 16 insertions(+), 16 deletions(-) diff --git a/doc/rados/configuration/pool-pg-config-ref.rst b/doc/rados/configuration/pool-pg-config-ref.rst index 0d498995edec..38e55f1b1f59 100644 --- a/doc/rados/configuration/pool-pg-config-ref.rst +++ b/doc/rados/configuration/pool-pg-config-ref.rst @@ -83,14 +83,14 @@ Ceph configuration file. :Default: ``4096`` -``osd pool default size`` +``osd pool default size`` -:Description: Sets the number of replicas for objects in the pool. The default - value is the same as +:Description: Sets the number of replicas for objects in the pool. The default + value is the same as ``ceph osd pool set {pool-name} size {size}``. :Type: 32-bit Integer -:Default: ``2`` +:Default: ``3`` ``osd pool default min size`` diff --git a/doc/rados/configuration/pool-pg.conf b/doc/rados/configuration/pool-pg.conf index 6d305069e71a..5f1b3b7fdb86 100644 --- a/doc/rados/configuration/pool-pg.conf +++ b/doc/rados/configuration/pool-pg.conf @@ -1,20 +1,20 @@ [global] - # By default, Ceph makes 2 replicas of objects. If you want to make three - # copies of an object the default value--a primary copy and two replica - # copies--reset the default values as shown in 'osd pool default size'. + # By default, Ceph makes 3 replicas of objects. If you want to make four + # copies of an object the default value--a primary copy and three replica + # copies--reset the default values as shown in 'osd pool default size'. # If you want to allow Ceph to write a lesser number of copies in a degraded - # state, set 'osd pool default min size' to a number less than the - # 'osd pool default size' value. + # state, set 'osd pool default min size' to a number less than the + # 'osd pool default size' value. - osd pool default size = 3 # Write an object 3 times. + osd pool default size = 4 # Write an object 4 times. osd pool default min size = 1 # Allow writing one copy in a degraded state. - - # Ensure you have a realistic number of placement groups. We recommend + + # Ensure you have a realistic number of placement groups. We recommend # approximately 100 per OSD. E.g., total number of OSDs multiplied by 100 # divided by the number of replicas (i.e., osd pool default size). So for - # 10 OSDs and osd pool default size = 3, we'd recommend approximately - # (100 * 10) / 3 = 333. + # 10 OSDs and osd pool default size = 4, we'd recommend approximately + # (100 * 10) / 4 = 250. - osd pool default pg num = 333 - osd pool default pgp num = 333 \ No newline at end of file + osd pool default pg num = 250 + osd pool default pgp num = 250 -- 2.47.3