in a central place. These logs can be used to track user access to the file system. AFM. Files can be compressed in AFM and AFM-DR filesets. Spectrum Scale 5.0 also made improvements for load balancing across AFM gateways. IBM Spectrum Scale components - “Core” Control traffic “Configuration/feature related” – AFM related RPCs: Overview: While the data traffic part of AFM was discussed earlier, AFM also uses client to AFM gateway RPCs in order to let the GW know about filesystem operations that need to be replicated by the GW. IBM Spectrum Scale Webinars are hosted by IBM Spectrum Scale Support to share expertise and knowledge of the Spectrum Scale product, as well as product updates and best practices. This webinar will focus on AFM functionality in IBM Spectrum Scale.

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disk leases (“heartbeat”) – Data access or consistency management (Tokens, quotas, allocation etc.) – Configuration or feature related (key management, Zimon collectors, configuration management, AFM SC19 – Spectrum Scale Data Migration with AFM (Nuance) SC19 – It’s the network again (Lenovo) SC19 – Fastest File Server in Public Cloud using IBM Spectrum Scale on Oracle Cloud Infrastructure; SC19 – How an IBM “Full Stack” Partner can help (Mark III Systems) IBM Spectrum Scale Dino Quintero Puneet Chaudhary Brian Herr Steven Normann Marcelo Ramos Richard Rosenthal Robert Simon Marian Tomescu Richard Wale. International Technical Support Organization Implementing IBM Spectrum Scale November 2015 4.2 AFM-based disaster recovery: This document is intended to facilitate the deployment of the scalable hybrid cloud solution for data agility and collaboration using IBM® Spectrum Scale across multiple public clouds. To complete the tasks it describes, you must understand IBM Spectrum Scale and IBM Spectrum Scale Active File Management (AFM). • Hosting SAP & Oracle unstructured data across 2 data centers with Spectrum Scale and AFM-DR Alexis Giral– SystemEthix • Customer/User Site Reports and Open Discussion. A number of presentations we had explained how Spectrum Scale can be leveraged for this type of workload, IBM Spectrum Scale Advanced Administration for Linux. Learn advanced admiration skills for IBM Spectrum Scale systems. GK# 5129 Active File Management (AFM) Spectrum Scale’s Active File Management (AFM) enables asynchronous replication of data between sites, caching data where it is needed.

The storage+AFM@SwissFELfacility Lenovo DSS-G220, 1.2PB net • 1x xCATnode + 2x I/O servers, 2x FDR-56G connections per node • Spectrum Scale + GNR 4.2.3-7 (Lenovo dss-g-2.0a) • RH 7.4, OFED 4.2 • 2x Filesystem with 8M-blocksize (called 'RAW’ and 'RES'), 8+2p • Max write speed (aggregated): 9-9.5 GB/s (writing files ~100GB) 2x AFM •Encrypt data (Spectrum Scale + SKLM) —Constraints •Move off high speed SAN storage by 7/1 (did not meet this, but not due to AFM) •Move off slower/older SAN storage by YE 2019 (may make it?) •Minimal user disruption (data unavailable to users) —How can we do this?

Spectrum Scale 4.2 GUI. Multi-cluster. Clustered NFS. Cluster Export Services for multi-protocol support. SMB Protocol Support. NFS Support in CES; Ganesha overview/performance.

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Active file management (AFM) uses a home-and-cache model in which a single home provides the primary storage of data, and exported data is cached in a local GPFS file system. AFM features (currently not documented) Mount wait timeout AFM by default waits for 8 seconds for the remote mount to happen Set mount wait timeout using command “mmfsadm afm mountWaitTimeout ” In memory value, not persitent across daemon restarts Set ACLs on RO (read-only) mode fileset. Spectrum Scale Data Migration With AFM. A Cautionary Tale. Bob Oesterlin.
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IBM Spectrum Scale – History and evolution Software Defined Infrastructure 2006200520021998 HPC GPFS (General Parallel File Systems) General File Serving Standards Portable operating system interface (POSIX) semantics -Large block Directory and Small file perf Data management Virtual Tape Server (VTS) Linux® Clusters (Multiple architectures) IBM AIX® Loose Clusters GPFS 2.1-2.3 HPC 2015-11-11 · This IBM® Redpaper™ publication describes IBM Spectrum™ Scale, which is a scalable, high-performance data and file management solution, built on proven IBM General Parallel File System (GPFS™) technology.

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