[gpfsug-discuss] gpfsug-discuss Digest, Vol 100, Issue 32

Sat May 30 00:39:59 BST 2020

Prasad,

One of the clients I work with have several 5.0.X ESS (owning) clusters and
they share 4.2.3.9 file systems to remote client clusters.

The minimum release level on the 5.0.X clusters are at the version of the
cluster, i.e. 5.0.3 or 5.0.4 (we are in the process of getting all to
latest).

The key is that the clients are not part of this cluster as a node has to
be > minReleaseLevel to be able to join.

They are in their own (accessing) cluster which has a minReleaseLevel of
4.2.3-9. This is the current (until September withdrawal) minReleaseLevel
that is supported in this scenario.

Don't know specifically about import but it should work as long as the
clients that need to mount the sub-5.0 filesystem can be in a separate
(remote) cluster or the client nodes are upgraded to the minReleaseLevel of
the local cluster.

Thanks,
Steve

Steven A. Daniels
Cross-brand Client Architect
Senior Certified IT Specialist
National Programs
Fax and Voice: 3038101229
sadaniel at us.ibm.com
http://www.ibm.com
(See attached file: opencits-d.jpg)

From:	Prasad Surampudi <prasad.surampudi at theatsgroup.com>
To:	"gpfsug-discuss at spectrumscale.org"
            <gpfsug-discuss at spectrumscale.org>
Date:	05/29/2020 09:02 AM
Subject:	[EXTERNAL] Re: [gpfsug-discuss] gpfsug-discuss Digest, Vol 100,
            Issue 32
Sent by:	gpfsug-discuss-bounces at spectrumscale.org

Jim,
The minimum release for 5.0.4 cluster is 5.0.4.3.

We are aware that we can't merge both gpfs_4 and gpfs_5 filesystems. Our
plan is to import the gpfs_4 filesystem into the Spectrum Scale 5.0 cluster
(with its NSDs mapped to Spectrum Scale 5.0 clusters nodes) and copy the
data using rsync, across  fibre channel instead of ethernet to get higher
bandwidth.

On 5/29/20, 8:27 AM, "gpfsug-discuss-bounces at spectrumscale.org on behalf of
gpfsug-discuss-request at spectrumscale.org"
<gpfsug-discuss-bounces at spectrumscale.org on behalf of
gpfsug-discuss-request at spectrumscale.org> wrote:

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    Today's Topics:

       1. Re: Importing a Spectrum Scale a filesystem from 4.2.3
          cluster to 5.0.4.3 cluster (Carl Zetie - carlz at us.ibm.com)

    ----------------------------------------------------------------------

    Message: 1
    Date: Fri, 29 May 2020 12:25:46 +0000
    From: "Carl Zetie - carlz at us.ibm.com" <carlz at us.ibm.com>
    To: "gpfsug-discuss at spectrumscale.org"
    		 <gpfsug-discuss at spectrumscale.org>
    Subject: Re: [gpfsug-discuss] Importing a Spectrum Scale a filesystem
    		 from 4.2.3 cluster to 5.0.4.3 cluster
    Message-ID: <C3494A35-F482-4E3D-B71D-AD7B3D9B02B1 at us.ibm.com>
    Content-Type: text/plain; charset="utf-8"

    On a non-technical note, I wanted to remind everybody that if you?re
doing a migration and you need to temporarily run both systems, IBM
licensing allows you to do that without ceremony or formality, for up to 90
days under a thing called the ?Temporary Additional Use Policy?. You don?t
need to register, ask beforehand, etc. Just go ahead.

    If you need the additional usage for more than 90 days, contact your
seller and we?ll figure something out.

    Regards

    Carl Zetie
    Program Director
    Offering Management
    Spectrum Scale
    ----
    (919) 473 3318 ][ Research Triangle Park
    carlz at us.ibm.com

    [signature_398516855]

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