[gpfsug-discuss] mmvdisk - how to see which recovery groups are managed by mmvdisk?

Tue Nov 5 13:51:45 GMT 2019

As far as I know there is no way to change nsd names once they have been 
created,  and yes mmvdisk automatically generates the nsd names.

Regards, The Spectrum Scale (GPFS) team

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From:   "Yaron Daniel" <YARD at il.ibm.com>
To:     gpfsug main discussion list <gpfsug-discuss at spectrumscale.org>
Date:   11/05/2019 06:42 AM
Subject:        [EXTERNAL] Re: [gpfsug-discuss] mmvdisk - how to see which 
recovery groups are     managed by mmvdisk?
Sent by:        gpfsug-discuss-bounces at spectrumscale.org

Hi Steven

Can you please try to run mmlsnsd - and let me know if you can change the 
nsd name before/after configure them with mmvdisk.

Regards

Yaron Daniel
 94 Em Ha'Moshavot Rd

Storage Architect – IL Lab Services (Storage)
 Petach Tiqva, 49527
IBM Global Markets, Systems HW Sales
 Israel

Phone:
+972-3-916-5672

Fax:
+972-3-916-5672

Mobile:
+972-52-8395593

e-mail:
yard at il.ibm.com

Webex:            https://ibm.webex.com/meet/yard
IBM Israel

From:        "Steven Daniels" <sadaniel at us.ibm.com>
To:        gpfsug main discussion list <gpfsug-discuss at spectrumscale.org>
Date:        04/11/2019 21:44
Subject:        [EXTERNAL] Re: [gpfsug-discuss] mmvdisk - how to see which 
recovery groups are        managed by mmvdisk?
Sent by:        gpfsug-discuss-bounces at spectrumscale.org

the vdiskset names can be renamed - 
https://www.ibm.com/support/knowledgecenter/en/SSYSP8_5.3.1/com.ibm.spectrum.scale.raid.v5r01.adm.doc/bl8adm_mmvdisk_vdiskset.htm

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

From:        "Yaron Daniel" <YARD at il.ibm.com>
To:        gpfsug main discussion list <gpfsug-discuss at spectrumscale.org>
Date:        11/04/2019 12:21 PM
Subject:        [EXTERNAL] Re: [gpfsug-discuss] mmvdisk - how to see which 
recovery groups are        managed by mmvdisk?
Sent by:        gpfsug-discuss-bounces at spectrumscale.org

Hi

From what i know - there is no control on the NSD names - they got 
automatically generated by mmvdisk.

Regards

Yaron Daniel
 94 Em Ha'Moshavot Rd

Storage Architect – IL Lab Services (Storage)
 Petach Tiqva, 49527
IBM Global Markets, Systems HW Sales
 Israel

Phone:
+972-3-916-5672

Fax:
+972-3-916-5672

Mobile:
+972-52-8395593

e-mail:
yard at il.ibm.com

Webex:            https://ibm.webex.com/meet/yard
IBM Israel

From:        "Billich  Heinrich Rainer (ID SD)" 
<heinrich.billich at id.ethz.ch>
To:        gpfsug main discussion list <gpfsug-discuss at spectrumscale.org>
Date:        04/11/2019 19:20
Subject:        [EXTERNAL] [gpfsug-discuss] mmvdisk - how to see which 
recovery groups are        managed by mmvdisk?
Sent by:        gpfsug-discuss-bounces at spectrumscale.org

Hello,

I   try to get acquainted with mmvdisk: can I  decide on the names of 
vdisks/nsds which mmvdisk creates? Tools like mmdf still show nsd devices, 
no vdisk-sets, hence a proper naming helps.  RG001VS001 isn’t always what 
I would choose.

Of course I can just not use mmvdisk where possible, but some 
recoverygroups already got migrated, so I have to. And I admit I like the 
output of ‘# mmvdisk recoverygroup list --declustered-array” which gives a 
nice. Summary of total/free disk space.

Cheers,

Heiner

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