[gpfsug-discuss] storage-based replication for Spectrum Scale

[Yaron Daniel]

Hi

You can do remote mount between GPFS clusters.
https://www.ibm.com/support/knowledgecenter/en/STXKQY_5.0.0/com.ibm.spectrum.scale.v5r00.doc/bl1adv_admmcch.htm

Where is you daemon communication network ? IP ir IP Over IB ?


 
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Yaron Daniel
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From:   John Hearns <john.hearns at asml.com>
To:     gpfsug main discussion list <gpfsug-discuss at spectrumscale.org>
Date:   01/25/2018 11:53 AM
Subject:        Re: [gpfsug-discuss] storage-based replication for 
Spectrum Scale
Sent by:        gpfsug-discuss-bounces at spectrumscale.org



Jan Frode, thankyou for that link.
 
I have a general question regarding remote GPFS filesystems.
If we have two clusters, in separate locations on separate Infiniband 
fabrics,
we can set up a remote relationship between filesystems.
 
As Valdis discusses, what happens if the IP link between the clusters goes 
down or is unstable?
Can nodes in one cluster vote out nodes in the other cluster?
 
 
 
From: gpfsug-discuss-bounces at spectrumscale.org [
mailto:gpfsug-discuss-bounces at spectrumscale.org] On Behalf Of Jan-Frode 
Myklebust
Sent: Wednesday, January 24, 2018 8:08 AM
To: gpfsug main discussion list <gpfsug-discuss at spectrumscale.org>
Subject: Re: [gpfsug-discuss] storage-based replication for Spectrum Scale
 
 
Have you seen 
https://www.ibm.com/support/knowledgecenter/en/STXKQY_4.2.0/com.ibm.spectrum.scale.v4r2.adv.doc/bl1adv_dr.htm 
? Seems to cover what you?re looking for..
 
 
  -jf
 
ons. 24. jan. 2018 kl. 07:33 skrev Harold Morales <hmorales at optimizeit.co
>:
Thanks for answering.
 
Essentially, the idea being explored is to replicate LUNs between 
identical storage hardware (HP 3PAR volumesrein) on both sites. There is 
an IP connection between storage boxes but not between servers on both 
sites, there is a dark fiber connecting both sites. Here they dont want to 
explore the idea of a scaled-based.
 
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