[gpfsug-discuss] Migrate/syncronize data from Isilon to Scale over NFS?

[Venkateswara R Puvvada]

AFM provides near zero downtime for migration.  As of today,  AFM 
migration does not support ACLs or other EAs migration from non scale 
(GPFS) source.

https://www.ibm.com/support/knowledgecenter/STXKQY_5.1.0/com.ibm.spectrum.scale.v5r10.doc/bl1ins_uc_migrationusingafmmigrationenhancements.htm

~Venkat (vpuvvada at in.ibm.com)



From:   "Frederick Stock" <stockf at us.ibm.com>
To:     gpfsug-discuss at spectrumscale.org
Cc:     gpfsug-discuss at spectrumscale.org
Date:   11/17/2020 03:14 AM
Subject:        [EXTERNAL] Re: [gpfsug-discuss] Migrate/syncronize data 
from Isilon to Scale over       NFS?
Sent by:        gpfsug-discuss-bounces at spectrumscale.org



Have you considered using the AFM feature of Spectrum Scale?  I doubt it 
will provide any speed improvement but it would allow for data to be 
accessed as it was being migrated.

Fred
__________________________________________________
Fred Stock | IBM Pittsburgh Lab | 720-430-8821
stockf at us.ibm.com
 
 
----- Original message -----
From: Andi Christiansen <andi at christiansen.xxx>
Sent by: gpfsug-discuss-bounces at spectrumscale.org
To: "gpfsug-discuss at spectrumscale.org" <gpfsug-discuss at spectrumscale.org>
Cc:
Subject: [EXTERNAL] [gpfsug-discuss] Migrate/syncronize data from Isilon 
to Scale over NFS?
Date: Mon, Nov 16, 2020 2:44 PM
 
Hi all,
 
i have got a case where a customer wants 700TB migrated from isilon to 
Scale and the only way for him is exporting the same directory on NFS from 
two different nodes...
 
as of now we are using multiple rsync processes on different parts of 
folders within the main directory. this is really slow and will take 
forever.. right now 14 rsync processes spread across 3 nodes fetching from 
2.. 
 
does anyone know of a way to speed it up? right now we see from 1Gbit to 
3Gbit if we are lucky(total bandwidth) and there is a total of 30Gbit from 
scale nodes and 20Gbits from isilon so we should be able to reach just 
under 20Gbit...
 
 
if anyone have any ideas they are welcome! 


Thanks in advance 
Andi Christiansen
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