[gpfsug-discuss] Maximum Number of filesets on GPFS v5?
Jez Tucker
jtucker at pixitmedia.com
Mon Feb 5 16:11:58 GMT 2018
Hi
IIRC these are hard limits - at least were a year or so ago.
I have a customers with ~ 7500 dependent filesets and knocking on the
door of the 1000 independent fileset limit.
Before independent filesets were 'a thing', projects were created with
dependent filesets. However the arrival of independent filesets,
per-fileset snapshotting etc. and improved workflow makes these a
per-project primary choice - but with 10x less to operate with :-/
If someone @ IBM fancied upping the #defines x10 and confirming the
testing limit, that would be appreciated :-)
If you need testing kit, happy to facilitate.
Best,
Jez
On 05/02/18 14:19, Daniel Kidger wrote:
> Jamie,
> I believe at least one of those limits is 'maximum supported' rather
> than an architectural limit.
> Is your use case one which would push these boundaries? If so care to
> describe what you would wish to do?
> Daniel
>
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> ----- Original message -----
> From: "Jaime Pinto" <pinto at scinet.utoronto.ca>
> Sent by: gpfsug-discuss-bounces at spectrumscale.org
> To: "gpfsug main discussion list"
> <gpfsug-discuss at spectrumscale.org>, "Truong Vu" <truongv at us.ibm.com>
> Cc: gpfsug-discuss at spectrumscale.org
> Subject: Re: [gpfsug-discuss] Maximum Number of filesets on GPFS v5?
> Date: Mon, Feb 5, 2018 2:56 PM
> Thanks Truong
> Jaime
>
> Quoting "Truong Vu" <truongv at us.ibm.com>:
>
> >
> > Hi Jamie,
> >
> > The limits are the same in 5.0.0. We'll look into the FAQ.
> >
> > Thanks,
> > Tru.
> >
> >
> >
> >
> > From: gpfsug-discuss-request at spectrumscale.org
> > To: gpfsug-discuss at spectrumscale.org
> > Date: 02/05/2018 07:00 AM
> > Subject: gpfsug-discuss Digest, Vol 73, Issue 9
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> > 1. Maximum Number of filesets on GPFS v5? (Jaime Pinto)
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> > Message: 1
> > Date: Sun, 04 Feb 2018 14:58:39 -0500
> > From: "Jaime Pinto" <pinto at scinet.utoronto.ca>
> > To: "gpfsug main discussion list" <gpfsug-discuss at spectrumscale.org>
> > Subject: [gpfsug-discuss] Maximum Number of filesets on GPFS v5?
> > Message-ID:
> > <20180204145839.77101pngtlr3qacv at support.scinet.utoronto.ca>
> > Content-Type: text/plain; charset=ISO-8859-1;
> > DelSp="Yes";
> > format="flowed"
> >
> > Here is what I found for versions 4 & 3.5:
> > * Maximum Number of Dependent Filesets: 10,000
> > * Maximum Number of Independent Filesets: 1,000
> >
> >
> https://www.ibm.com/support/knowledgecenter/en/STXKQY/gpfsclustersfaq.html#filesets
> >
> >
> >
> > I'm having some difficulty finding published documentation on
> > limitations for version 5:
> >
> >
> https://www.ibm.com/support/knowledgecenter/STXKQY_5.0.0/com.ibm.spectrum.scale.v5r00.doc/6027-2699.htm
> >
> >
> >
> https://www.ibm.com/support/knowledgecenter/STXKQY_5.0.0/com.ibm.spectrum.scale.v5r00.doc/bl1pdg_increasefilesetspace.htm
> >
> >
> > Any hints?
> >
> > Thanks
> > Jaime
> >
> >
> > ---
> > Jaime Pinto
> > SciNet HPC Consortium - Compute/Calcul Canada
> > www.scinet.utoronto.ca - www.computecanada.ca
> > University of Toronto
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--
*Jez Tucker*
Head of Research and Development, Pixit Media
07764193820 | jtucker at pixitmedia.com <mailto:jtucker at pixitmedia.com>
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