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heads-up: bfu and Install users

Date: Fri, 30 Jun 2006 15:42:20 -0400
From: Sebastien Roy <Sebastien dot Roy at Sun dot COM>
To: onnv-gate at onnv dot eng dot sun dot com, on-all at eng dot sun dot com
Subject: heads-up: bfu and Install users

My putback for:

PSARC/2006/248 Nemo MAC-Type Plugin Architecture
PSARC/2006/249 Nemo Changes for Binary Compatibility
6384371 GLDv3 only supports Ethernet
6242059 nemo drivers must not know the size of the mac_t structure
6226635 MAC stats interface could cause problems with binary
compatibility

has implications for both bfu and Install (cap-eye Install) detailed
below:

bfu:
----

This change contributes an updated bfu script.  When doing a backward
bfu to an ON build prior to this putback, this updated bfu script is
required if the system being downgraded has GLDv3 aggregation
configuration (dladm show-aggr contains aggregations).

The SUNWonbld package from /ws/onnv-gate/public/packages will
contain the updated script at approximately midnight Pacific time.

This heads-up is to remind those who keep local cached copies of the bfu
script to also update those in order prevent accidental corruption of
aggregation configuration in the future.

Install:
--------

This change requires that user-land libraries (libdladm.so and
liblaadm.so), the dladm(1M) command, the rcm_daemon, and GLDv3 kernel
modules all be synchronized.  Therefore use of Install to install these
bits is unsafe.  Use of bfu is, as always, a safe way to install these
bits.

-Seb