From 0b21419b9daeb27ca9c450051d3adbad46108651 Mon Sep 17 00:00:00 2001 From: Helen Walsh Date: Thu, 23 Aug 2018 15:05:15 +0100 Subject: [PATCH] VMAX doc - important known issue A ucode upgrade on an VMAX All Flash will cause issues if workloads are leveraged. This known issue needs to be documented until a fix is merged. Change-Id: Iba8df9385b65f03c0ab9ea07a728e1ccd8e04e86 --- .../block-storage/drivers/dell-emc-vmax-driver.rst | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/doc/source/configuration/block-storage/drivers/dell-emc-vmax-driver.rst b/doc/source/configuration/block-storage/drivers/dell-emc-vmax-driver.rst index 8fbc2b4a5c2..1700fc9b62e 100644 --- a/doc/source/configuration/block-storage/drivers/dell-emc-vmax-driver.rst +++ b/doc/source/configuration/block-storage/drivers/dell-emc-vmax-driver.rst @@ -12,6 +12,17 @@ storage management software. They use the Requests HTTP library to communicate with a Unisphere for VMAX instance, using a RESTAPI interface in the backend to perform VMAX storage operations. +.. note:: + + KNOWN ISSUE: + Workload support was dropped in ucode 5978. If a VMAX All Flash array is + upgraded to 5978 or greater and existing volume types leveraged workload + e.g. DSS, DSS_REP, OLTP and OLTP_REP, attaching and detaching will no + longer work and the volume type will be unusable. Refrain from upgrading + to ucode 5978 or greater on an All Flash until a fix is merged. Please + contact your Dell EMC VMAX customer support representative if in any + doubt. + System requirements and licensing =================================