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

2. DriveScale Troubleshooting
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3. 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
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4. 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

5. 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