00-README.conf | 14 ++++++++++----
README | 17 +++++++++--------
2 files changed, 19 insertions(+), 12 deletions(-)
diff --git a/00-README.conf b/00-README.conf
--- a/00-README.conf
+++ b/00-README.conf
@@ -112,7 +112,9 @@ Notes:
In the case of 'make install', do the steps listed in
'Steps to configure opensaf user' above.
-(e) Use of MDS subslot ID needs to be enabled, add TIPC_USE_SUBSLOT_ID=YES
+(e) If use of MDS subslot ID needs to be enabled, add TIPC_USE_SUBSLOT_ID=YES
+ Note that the use of subslot ID is deprecated and should not be enabled
+ in new installations.
(f) Time supervision of local node reboot should be disabled or changed.
Change
OPENSAF_REBOOT_TIMEOUT to the desired number of seconds before a reboot is
@@ -167,12 +169,16 @@ a new/second node in the cluster, this m
value - for e.g. a value of 2 as below:
% echo 2 > $pkgsysconfdir/slot_id
+Starting with OpenSAF version 5.0, the maximum supported value for slot_id is
+4095 when using the flat addressing scheme (i.e. when the use of subslot ID is
+disabled). Prior to OpenSAF 5.0, the maximum supported value for slot_id was
+255.
+
*******************************************************************************
subslot_id
-The subslot_id shall specify a unique value that represents a physical sub-slot
-identifier for the node in a chassis environment. It is normally never changed
-from what's installed.
+The use of subslot ID is disabled by default. When disabled, subslot_id must be
+set to 15 (which is the default value) on all nodes in the cluster.
*******************************************************************************
chassis_id
diff --git a/README b/README
--- a/README
+++ b/README
@@ -284,21 +284,22 @@ Building `OpenSAF'
Some features needs to be configured at build time but don't have configure
support, these are explained here.
-1) Configure a non flat MDS addressing scheme (optional) when TIPC is chosen
-as the transport
+1) Configure a non flat MDS addressing scheme (deprecated)
-In the default (from 4.3) addressing scheme, TIPC node addresses looks like
-1.1.1, 1.1.2 etc.
+In the default (from OpenSAF 4.3 onwards) addressing scheme, TIPC node
addresses
+looks like 1.1.1, 1.1.2 etc, and the slot_id can be in the range from 1 and up
+to 4095 (though note that prior to OpenSAF 5.0, the maximum supported slot_id
+was 255).
-To re-enable the old (pre 4.3) non flat addressing, configure the constant
-MDS_USE_SUBSLOT_ID=1 at configure time as in:
+To re-enable the old (pre OpenSAF 4.3) non flat addressing, configure the
+constant MDS_USE_SUBSLOT_ID=1 at configure time as in:
% ./configure CPPFLAGS="-DMDS_USE_SUBSLOT_ID=1 ..."
In the non flat scheme, the slot ID is shifted up 4 bits and subslot ID is
added in the 4 LSB. The consequence of this is reduced number of
-addressable TIPC nodes in the cluster. This scheme is more likely to be used
-in xTCA type of systems and produces node addresses like 1.1.31, 1.1.47 etc.
+addressable nodes in the cluster. This scheme is more likely to be used
+in xTCA type of systems and produces TIPC addresses like 1.1.31, 1.1.47 etc.
More configuration is needed, see nid.conf in 00-README.conf
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