Owners Manual

Solution From the server, run the command: service avahi-daemon start. See also

Checking Linux Dependencies.

Cache Device Does Not Appear in List of Cache Devices

Possible Cause The cache device you are trying to add is not supported by Fluid Cache.

Solution Refer to the list of supported devices in Requirements for Fluid Cache.

Possible Cause The driver or firmware for the cache device is not a supported version.

Solution Make sure that your cache device firmware and driver are up to date and that the

driver is loaded.

Firmware: Run the command: dmesg | grep mtip32xx | grep Firmware

In the output, the firmware must version displayed must be B1490508 or later.

Driver: Run the command: dmesg | grep -i micron

In the output, the driver version for the device named Micron RealSSD PCIe must

be 2.4.2 or later.

Possible Cause The cache device is not functioning properly.

Solution To check device function, select the device in Enterprise Manager and in the Event

tab, look for a device failure message. Replace the cache device if necessary, using

instructions in the Dell Compellent Enterprise Manager User’s Guide.

Cache Device Cannot Be Added to a Cluster

Possible Cause The cache device is not functioning properly. Under some conditions, the process

of adding a device completes normally even though the device being added is not

functioning properly.

Solution

To check device function, select the device in Enterprise Manager and in the Event

tab, look for a device failure message.

If necessary, replace the cache device by following the instructions provided in the

Dell Compellent Enterprise Manager User’s Guide.

Cannot Select a Specific Cache Mode

Possible Cause There is an existing cache mode configured for the volume mapping. The cache

mode chosen for a volume mapping cannot be changed. The existing mapping

must be deleted, and a new mapping created. A new cache mode can be selected

while creating the new mapping.