mmlsrecovergroup --> will show your RG
mmlsrecoverygroup RG -L .. will provide capacity information
or .. you can use the GUI
with ESS / GNR , there's no need any more to create more than one vdisk(=nsd) per RG for a pool
a practical approach/example for you
so a file system consists of
1 vdisk(NSD) for MetaData , RAID: 4WR , BS 1M in RG"left"
1 vdisk(NSD) for MetaData , Raid : 4WR, BS 1M in RG "right"
1 vdisk (NSD) for data , 8+3p , BS 1...16M .. depends on your data/workload in RG "left"
1 vdisk (NSD) for data , 8+3p , BS 1...16M .. depends on your data/workload in RG "right"
so 4 NSDs to provide everything you need to serve a file system ..
the size of the vdisks can be up to half of the capacity of your RG
please note: if you come from an existing environment , and the file system should be migrated to ESS (online) , you might hit some limitations like
- blocksize (can not be changed)
- disk size.. depending on the existing storage pools/disk sizes....
have fun
cheers
Mit freundlichen Grüßen / Kind regards
Olaf Weiser
EMEA Storage Competence Center Mainz, German / IBM Systems, Storage Platform,
-------------------------------------------------------------------------------------------------------------------------------------------
IBM Deutschland
IBM Allee 1
71139 Ehningen
Phone: +49-170-579-44-66
E-Mail: [email protected]
-------------------------------------------------------------------------------------------------------------------------------------------
IBM Deutschland GmbH / Vorsitzender des Aufsichtsrats: Martin Jetter
Geschäftsführung: Martina Koederitz (Vorsitzende), Susanne Peter, Norbert Janzen, Dr. Christian Keller, Ivo Koerner, Markus Koerner
Sitz der Gesellschaft: Ehningen / Registergericht: Amtsgericht Stuttgart, HRB 14562 / WEEE-Reg.-Nr. DE 99369940
From: Damir Krstic <[email protected]>
To: gpfsug main discussion list <[email protected]>
Date: 06/20/2016 05:10 PM
Subject: [gpfsug-discuss] ESS GL6
Sent by: [email protected]
Couple of questions regarding Spectrum Scale 4.2 and ESS. We recently got our ESS delivered and are putting it in production this week. Previous to ESS we ran GPFS 3.5 and IBM DCS3700 storage arrays.
My question about ESS and Spectrum Scale has to do with querying available free space and adding capacity to existing file system.
In the old days of GPFS 3.5 I would create LUNs on 3700, zone them to appropriate hosts, and then see them as multipath devices on NSD servers. After that, I would create NSD disks and add them to the filesystem.
With the ESS, however, I don't think the process is quite the same. IBM tech that was here installing the system has created all the "LUNs" or the equivalent in the ESS system. How do you I query what space is available to add to the existing filesystems, and then how do you actually add space?
I am reading ESS RedBook but the answers are not obvious.
Thanks,
Damir _______________________________________________
gpfsug-discuss mailing list
gpfsug-discuss at spectrumscale.org
http://gpfsug.org/mailman/listinfo/gpfsug-discuss
Olaf Weiser
EMEA Storage Competence Center Mainz, German / IBM Systems, Storage Platform,
-------------------------------------------------------------------------------------------------------------------------------------------
IBM Deutschland
IBM Allee 1
71139 Ehningen
Phone: +49-170-579-44-66
E-Mail: [email protected]
-------------------------------------------------------------------------------------------------------------------------------------------
IBM Deutschland GmbH / Vorsitzender des Aufsichtsrats: Martin Jetter
Geschäftsführung: Martina Koederitz (Vorsitzende), Susanne Peter, Norbert Janzen, Dr. Christian Keller, Ivo Koerner, Markus Koerner
Sitz der Gesellschaft: Ehningen / Registergericht: Amtsgericht Stuttgart, HRB 14562 / WEEE-Reg.-Nr. DE 99369940
From: Damir Krstic <[email protected]>
To: gpfsug main discussion list <[email protected]>
Date: 06/20/2016 05:10 PM
Subject: [gpfsug-discuss] ESS GL6
Sent by: [email protected]
Couple of questions regarding Spectrum Scale 4.2 and ESS. We recently got our ESS delivered and are putting it in production this week. Previous to ESS we ran GPFS 3.5 and IBM DCS3700 storage arrays.
My question about ESS and Spectrum Scale has to do with querying available free space and adding capacity to existing file system.
In the old days of GPFS 3.5 I would create LUNs on 3700, zone them to appropriate hosts, and then see them as multipath devices on NSD servers. After that, I would create NSD disks and add them to the filesystem.
With the ESS, however, I don't think the process is quite the same. IBM tech that was here installing the system has created all the "LUNs" or the equivalent in the ESS system. How do you I query what space is available to add to the existing filesystems, and then how do you actually add space?
I am reading ESS RedBook but the answers are not obvious.
Thanks,
Damir _______________________________________________
gpfsug-discuss mailing list
gpfsug-discuss at spectrumscale.org
http://gpfsug.org/mailman/listinfo/gpfsug-discuss
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