Release Notes

Dell - Internal Use - Confidential
Page 4 4/1/2016
Release Notes— Fluid Cache for SAN for VMware Systems
Operational improvement
 Issues with shutting down VSA
 Issues with write phase of compare and write
 Shutdown failure scenario
 MD Crash due to unresolved duplicates
 Performance degradation during unaligned I/Os
 Cache device could not be used
 I/O timeouts and errors after cache network failure
 Data loss in multiple failure scenario
 Mellanox updated driver (fixes a PSOD)
Software and Hardware Compatibility
See Dell Fluid Cache for SAN Compatibility Matrix available at dell.com/CacheSolutions.
Known Issues Arising from Third Party Software
The following issues are not caused by Fluid Cache itself, but arise from known issues in third
party software.
Cannot Enable Passthrough for NVMe Device in vSphere Web Client
ISSUE: Using the vSphere web client, you cannot enable passthrough for Samsung NVMe SSD
devices.
WORKAROUND: Enable passthrough using the desktop version of vSphere.
Known Issues in Fluid Cache for SAN 2.0
The following are known issues in Fluid Cache for SAN 2.0.
Cluster-wide outage due to corruption in journal
ISSUE: In some circumstances, if you reset the CFM VSA, there is a rare possibility of cluster-
wide outage due to corrupted journal.