You can control the load of mmrestripefs (and all maintenance commands) on your system using mmchqos ...
From: "Olaf Weiser" <[email protected]> To: gpfsug main discussion list <[email protected]> Date: 03/15/2017 04:04 PM Subject: Re: [gpfsug-discuss] Running multiple mmrestripefs in a single cluster? Sent by: [email protected] yes.. and please be carefully about the number of nodes , doing the job because of multiple PIT worker hammering against your data if you limit the restripe to 2 nodes (-N ......) of adjust the PITworker down to 8 or even 4 ... you can run multiple restripes.. without hurting the application workload to much ... but the final duration of your restripe then will be affected cheers From: "Oesterlin, Robert" <[email protected]> To: gpfsug main discussion list <[email protected]> Date: 03/15/2017 03:27 PM Subject: [gpfsug-discuss] Running multiple mmrestripefs in a single cluster? Sent by: [email protected] I’m looking at migrating multiple file systems from one set of NSDs to another. Assuming I put aside any potential IO bottlenecks, has anyone tried running multiple “mmrestripefs” commands in a single cluster? Bob Oesterlin Sr Principal Storage Engineer, Nuance 507-269-0413 _______________________________________________ gpfsug-discuss mailing list gpfsug-discuss at spectrumscale.org http://gpfsug.org/mailman/listinfo/gpfsug-discuss _______________________________________________ gpfsug-discuss mailing list gpfsug-discuss at spectrumscale.org http://gpfsug.org/mailman/listinfo/gpfsug-discuss
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