[gpfsug-discuss] Allocation map limits - any way around this?

[Uwe Falke]

Hi Bob, 
you sure the first added NSD was 1 TB? As often as i created a FS, the max 
NSD size was way larger than the one I added initially , not just the 
fourfold. 
 
Mit freundlichen Grüßen / Kind regards

 
Dr. Uwe Falke
 
IT Specialist
High Performance Computing Services / Integrated Technology Services / 
Data Center Services
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From:   "Oesterlin, Robert" <Robert.Oesterlin at nuance.com>
To:     gpfsug main discussion list <gpfsug-discuss at spectrumscale.org>
Date:   10/07/2018 13:59
Subject:        [gpfsug-discuss] Allocation map limits - any way around 
this?
Sent by:        gpfsug-discuss-bounces at spectrumscale.org



File system was originally created with 1TB NSDs (4) and I want to move it 
to one 5TB NSD. Any way around this error?
 
mmadddisk fs1 -F new.nsd 
 
The following disks of proserv will be formatted on node srv-gpfs06:
    stor1v5tb85: size 5242880 MB
Extending Allocation Map
Disk stor1v5tb85 cannot be added to storage pool Plevel1.
Allocation map cannot accommodate disks larger than 4194555 MB.
Checking Allocation Map for storage pool Plevel1
mmadddisk: tsadddisk failed.
Verifying file system configuration information ...
mmadddisk: Propagating the cluster configuration data to all
  affected nodes.  This is an asynchronous process.
mmadddisk: Command failed. Examine previous error messages to determine 
cause.
 
 
Bob Oesterlin
Sr Principal Storage Engineer, Nuance
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