What is FLARE?

FLARE (Fibre Logic Array Runtime Environment) OS is a custom Windows Operating System which runs the EMC CLARiiON and VNX Storage Systems. To function properly, disks in an EMC CLARiiON system require that each storage processor run minimum revisions of the FLARE Operating Environment.

The EMC Celerra products use a different version, called DART. EMC Symmetrix / DMX use the Enginuity Code.

FLARE Code version information is as follows:

(Explanation is limited to only to CX, CX3 and CX4 platforms.)

Generation 1: CX200, CX400, CX600

Generation 2: CX300, CX500, CX700 including iSCSI models

Generation 3: CX3-10, CX3-20, CX3-40, CX3-80

Generation 4: CX4-120, CX4-240, CX4-480, CX4-960
(last three digits are the number of drives it can support)

The FLARE Code is a set of 1 number, 2 sets of numbers, a fourth number, and a fifth set of numbers as follows:

1.14.600.5.022 (32 Bit)

2.16.700.5.031 (32 Bit)

2.24.700.5.031 (32 Bit) (32 Bit)

4.28.480.5.010 (64 Bit)

First Digit – indicates the number of the machine this code level can be installed on. For the 1st and the 2nd generation of machines you should be able to use standard 2nd Generation code levels. CX3 code levels would have a 3 in front of it and so forth.  These numbers will always increase as new Generations of CLARiiON machines are added.

Second Set of Digits are the release numbers which are very important and provide additional features related to the CLARiiON FLARE Operating Environment. These numbers will always increase, 28 being the latest FLARE Code Version.

Third Set of Digits – The next 3 digits are the model number of the CLARiiON, e.g. CX600, CX700, CX3-20 and CX4-480. These numbers can be anything depending what the model number is.

Fourth Digit – The 5 here is unknown, its coming across from previous FLARE releases. It’s believed that this was some sort of code internally used at Data General indicating its a FLARE release.

Fifth Set of Digits – The last 3 digits are the Patch level of the FLARE Environment. This would be the last known compilation of the code for that FLARE version.

Using Navisphere to Determine FLARE Revision

In Navisphere manager the FLARE OE revision appears on the Software tab of the Storage System Properties dialog box for the system.

  1. Log in to EMC Navisphere – https://ip of the array
  2. Under Storage Management, right-click the storage controller, and select Properties.
  3. Then, select the Software tab to view the FLARE-Operating-Environment revision number.

If you’re using CLI, use the navicli or naviseccli to enter the command “navicli ndu -list -isactive” and get a list of all active software on your array.

If this revision is lower than the minimum FLARE OE revision required for the disk, you must upgrade FLARE OE on the storage system before installing the disk. EMC recommends FLARE OE is upgraded with the CLARiiON Software Assistant in the Navisphere Service Taskbar (NST) or by using the Navisphere Secure Command Line Interface (CLI).

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