Information Technology Services

Virtual Computing Lab (VCL) unavailable

Outage category: Virtual Computing Library (VCL)

Location: All campuses

Status: Open

Resolved Alert:

Initial Symptoms

Users experiencing issues logging in or using VCL services/functions.

Root Cause Analysis

Cause

Underlying storage system slow performance. The replacement filesystem for the NetApp failure on 1/20/2020 was unable to perform the IO workloads required for VCL under load.

 

Resolution

VCL functionality restored by switching to a new PURE Storage flash based filesystem.

Prevention

Monitoring to ensure new storage system can handle load.