DriveScale Log Collection Method of Procedure Software Defined Infrastructure for Hadoop and Big Data DriveScale Log Collection Method of Procedure April 24, 2017

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DMS Logs (take a snapshot of each) DriveScale Software Base Directory: /opt/drivescale /var/log/drivescale: DriveScale log file directory Most logs are named with the DriveScale process name in the filename /var/lib/drivescale: DMS Database base directory /var/run/drivescale: Running processes directory. Server inventory information in JSON format Compute Information (CPU, Memory, Manufacturer, Model, etc.) Networking Information (NIC’s, IP Addresses, Link information, etc.) DriveScale Management Server Software Version Information DMS Database (Zookeeper): Database location: /var/lib/drivescale-zookeeper/data/version-2 Tools Location: /opt/drivescale/tools/zookeeper zk_ls.py – Provides a path listing of all data objects stored in DMS DB zk_cat.py <PATH_TO_OBJECT> – Displays stored JSON data for a particular data object in DMS DB DriveScale Proprietary Information © 2016

Server Node Logs (take a snapshot of each) DriveScale Software Base Directory: /opt/drivescale /var/log/drivescale: DriveScale log file directory Most logs are named with the DriveScale process name in the filename /var/lib/drivescale: Information for mapped and ingested drives Details on actively running configuration /var/run/drivescale: Running processes directory. Stores information about filesystems mounted on server nodes utilizing disks mapped by DriveScale Server inventory information in JSON format Compute Information (CPU, Memory, Manufacturer, Model, etc.) Networking Information (NIC’s, IP Addresses, Link information, etc.) DriveScale Server Software Version Information DriveScale Proprietary Information © 2016

Key DriveScale DMS commands Key commands: ds-cluster ds-help ds-list ds-prepare ds-reconnect ds-release ds-repair ds-servers ds-shrink ds-speed DriveScale Proprietary Information © 2016