Merge "PowerMax Docs - Xena release notes"
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@ -13,28 +13,36 @@ PowerMax storage management software. They use the Requests HTTP library to
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communicate with a Unisphere for PowerMax instance, using a RESTAPI interface
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in the backend to perform PowerMax and VMAX storage operations.
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.. _VMAX-Hybrid:
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.. note::
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DEPRECATION NOTICE: The VMAX Hybrid series will not be supported from the
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``Z`` release of OpenStack. Also, any All Flash array
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running HyperMaxOS 5977 will no longer be supported from the ``Z``
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release onwards.
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.. note::
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While ``PowerMax`` will be used throughout this document, it will be used
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to collectively categorize the following supported arrays, PowerMax 2000,
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8000, VMAX All Flash 250F, 450F, 850F and 950F and VMAX Hybrid. Please note
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there will be extended support of the VMAX Hybrid series until further
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notice.
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8000, VMAX All Flash 250F, 450F, 850F and 950F and VMAX-Hybrid_.
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System requirements and licensing
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=================================
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The Dell EMC PowerMax Cinder driver supports the VMAX-3 hybrid series, VMAX
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All-Flash series and the PowerMax arrays.
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The Dell EMC PowerMax Cinder driver supports the VMAX-Hybrid_ series,
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VMAX All-Flash series and the PowerMax arrays.
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The array operating system software, Solutions Enabler 9.2.1 series, and
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Unisphere for PowerMax 9.2.1 series are required to run Dell EMC PowerMax
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The array operating system software, Solutions Enabler 9.2.2 series, and
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Unisphere for PowerMax 9.2.2 series are required to run Dell EMC PowerMax
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Cinder driver for the Wallaby release. Please refer to support-matrix-table_
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for the support matrix of previous OpenStack versions.
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Download Solutions Enabler and Unisphere from the Dell EMC's support web site
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(login is required). See the `Dell EMC Solutions Enabler 9.2.1 Installation
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(login is required). See the `Dell EMC Solutions Enabler 9.2.2 Installation
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and Configuration Guide` and `Dell EMC Unisphere for PowerMax Installation
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Guide` at the `Dell EMC Support`_ site.
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@ -53,6 +61,8 @@ Guide` at the `Dell EMC Support`_ site.
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+-----------+------------------------+-------------+
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| OpenStack | Unisphere for PowerMax | PowerMax OS |
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+===========+========================+=============+
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| Xena | 9.2.2 | 5978.711 |
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+-----------+------------------------+-------------+
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| Wallaby | 9.2.1 | 5978.711 |
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+-----------+------------------------+-------------+
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| Victoria | 9.2.x | 5978.669 |
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@ -67,9 +77,9 @@ Guide` at the `Dell EMC Support`_ site.
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.. note::
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A Hybrid array can only run HyperMax OS 5977, and is still supported until
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further notice. Some functionality will not be available in older versions
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of the OS. If in any doubt, please contact your local PowerMax
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representative.
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the ``Z`` release of OpenStack. Some functionality will not be available
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in older versions of the OS. If in any doubt, please contact your local
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PowerMax representative.
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.. note::
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@ -103,7 +113,7 @@ or the F package plus the SRDF a la carte add on is required.
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Hybrid
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~~~~~~
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There are five Dell EMC Software Suites sold with the VMAX Hybrid arrays:
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There are five Dell EMC Software Suites sold with the VMAX-Hybrid_ arrays:
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- Base Suite
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- Advanced Suite
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@ -314,7 +324,7 @@ contains ``child`` storage groups for each configured
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SRP/slo/workload/compression-enabled or disabled/replication-enabled or
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disabled combination.
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PowerMax, VMAX All Flash and Hybrid
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PowerMax, VMAX All Flash and VMAX-Hybrid_
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Parent storage group:
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@ -606,15 +616,15 @@ associated with any service level).
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.. note::
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PowerMax and Hybrid support ``Diamond``, ``Platinum``, ``Gold``, ``Silver``,
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``Bronze``, ``Optimized``, and ``None`` service levels. VMAX All Flash
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running HyperMax OS (5977) supports ``Diamond`` and ``None``. Hybrid and All
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Flash support ``DSS_REP``, ``DSS``, ``OLTP_REP``, ``OLTP``, and ``None``
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workloads, the latter up until ucode 5977. Please refer to Stein PowerMax
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online documentation if you wish to use ``workload``. There is no support
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for workloads in PowerMax OS (5978) or greater. These will be silently
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ignored if set for VMAX All-Flash arrays which have been upgraded to
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PowerMax OS (5988).
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PowerMax and VMAX-Hybrid_ support ``Diamond``, ``Platinum``, ``Gold``,
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``Silver``, ``Bronze``, ``Optimized``, and ``None`` service
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levels. VMAX All Flash running HyperMax OS (5977) supports ``Diamond``
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and ``None``. VMAX-Hybrid_ and All Flash support ``DSS_REP``, ``DSS``,
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``OLTP_REP``, ``OLTP``, and ``None`` workloads, the latter up until
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ucode 5977. Please refer to Stein PowerMax online documentation if you
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wish to use ``workload``. There is no support for workloads in PowerMax
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OS (5978) or greater. These will be silently ignored if set for VMAX
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All-Flash arrays which have been upgraded to PowerMax OS (5988).
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7. Interval and retries
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@ -1296,8 +1306,9 @@ Use case 2 - Retype from compression disabled to compression enabled
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that storage group.
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.. note::
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If extra spec ``storagetype:disablecompression`` is set on a Hybrid, it is
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ignored because compression is not an available feature on a VMAX3 Hybrid.
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If extra spec ``storagetype:disablecompression`` is set on a VMAX-Hybrid_,
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it is ignored because compression is not an available feature on a
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VMAX-Hybrid_.
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12. Oversubscription support
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@ -1765,8 +1776,8 @@ Assumptions, restrictions and prerequisites
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- ODE in the context of this document refers to extending a volume where it
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is in-use, that is, attached to an instance.
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- The ``allow_extend`` is only applicable on Hybrid arrays or All Flash arrays
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with HyperMax OS. If included elsewhere, it is ignored.
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- The ``allow_extend`` is only applicable on VMAX-Hybrid_ arrays or All Flash
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arrays with HyperMax OS. If included elsewhere, it is ignored.
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- Where one array is a lower uCode than the other, the environment is limited
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to functionality of that of the lowest uCode level, i.e. if R1 is 5978.444
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and R2 is 5978.221, expanding a metro volume is not supported, both R1 and
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@ -2105,18 +2116,19 @@ Configure a single replication target
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* ``sync_retries`` How many times to retry RDF sync checks during Cinder
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PowerMax SRDF operations. Default is 200 retries.
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* ``allow_extend`` Only applicable to Hybrid arrays or All Flash arrays
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running HyperMax OS (5977). It is a flag for allowing the extension of
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replicated volumes. To extend a volume in an SRDF relationship, this
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relationship must first be broken, the R1 device extended, and a new
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device pair established. If not explicitly set, this flag defaults to
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``False``.
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* ``allow_extend`` Only applicable to VMAX-Hybrid_ arrays or All Flash
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arrays running HyperMax OS (5977). It is a flag for
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allowing the extension of replicated volumes. To extend a volume in
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an SRDF relationship, this relationship must first be broken, the R1
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device extended, and a new device pair established. If not explicitly set,
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this flag defaults to ``False``.
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.. note::
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As the SRDF link must be severed, due caution should be exercised when
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performing this operation. If absolutely necessary, only one source and
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target pair should be extended at a time (only only applicable to
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Hybrid arrays or All Flash arrays with HyperMax OS).
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VMAX-Hybrid_ arrays or All Flash arrays with HyperMax OS).
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#. Create a ``replication-enabled`` volume type. Once the
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@ -2135,9 +2147,9 @@ Configure a single replication target
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group on the target array with the same service level and workload
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combination as the primary. However, if this combination is unavailable
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on the target (for example, in a situation where the source array is a
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Hybrid, the target array is an All Flash, and an All Flash incompatible
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service level like Bronze is configured), no service level will be
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applied.
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VMAX-Hybrid_, the target array is an All Flash, and an All
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Flash incompatible service level like Bronze is configured), no service
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level will be applied.
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Configure multiple replication targets
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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@ -2302,7 +2314,7 @@ Most features are supported, except for the following:
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to the user specific size.
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* Alternatively, ensure that the ``allow_extend`` option in the
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``replication_device parameter`` is set to ``True``. This is only
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applicable to Hybrid arrays or All Flash array with HyperMax OS.
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applicable to VMAX-Hybrid_ arrays or All Flash array with HyperMax OS.
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Failover host
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