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HP StorageWorks 1606 - Extension SAN Switch Release Note page 41

Hp storageworks fos 6.3.0b release notes (5697-0360, april 2010)
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In a DC SAN Director or DC04 SAN Director with FOS 6.3.0 and DC Switch encryption FC
blades installed, you must set the quorum size to zero and disable the system card on the blade
prior to downgrading to a FOS version earlier than 6.3.0.
The System Card feature requires DCFM 10.3.0 or later. Note that all nodes in the EG must be
running FOS 6.3.0 for system verification to be properly supported.
The Encryption SAN Switch and Encryption FC blade do not support QoS. When using encryption
or Frame Redirection, participating flows should not be included in QoS Zones.
HP encryption devices can be configured for either disk or tape operation. The ability to configure
multiple Crypto-Target Containers defining different media types on a single encryption engine
(Encryption SAN Switch or Encryption FC blade) is not supported. Encryption FC blades can be
configured to support different media types within a common DC SAN Director/DC04 SAN Dir-
ector chassis.
SKM is supported with Multiple Nodes and Dual SKM Key Vaults. Two-way certificate exchange
is supported. See the Encryption Admin Guide for configuration information. If you are using dual
SKMs on Encryption SAN Switch/Encryption FC blade Encryption Group, these SKM Appliances
must be clustered. Failure to cluster will result in key creation failure. Otherwise, register only one
SKM on the Encryption SAN Switch/Encryption FC blade Encryption Group.
When the tape key expires in the middle of write operation on the tape, the key is used to append
the data on the tape media. When the backup application rewinds the media and starts writing
to Block-0 again (and if the key is expired), a new key is created and used henceforth. The expired
key is then marked as read only and used only for restoring data from previously encrypted tapes.
With Windows and Veritas Volume Manager/Veritas Dynamic Multipathing, when LUN sizes less
than 400 MB are presented to the Encryption SAN Switch for encryption, a host panic may occur;
this configuration is not supported for the FOS 6.3 release.
HCL from FOS 6.2.x to 6.3.0 is supported. Cryptographic operations and I/O will be disrupted
but other layer 2 traffic will not be.
Relative to the Encryption SAN Switch and a DC SAN Director with Encryption FC blade, all nodes
in the Encryption Group must be at the same firmware level of FOS 6.2 or 6.3 before starting a
rekey or First Time Encryption operation. Make sure that existing rekey or First Time Encryption
operations complete before upgrading any of the encryption products in the Encryption Group.
Also, make sure that the upgrade of all nodes in the Encryption Group to FOS 6.3.0 completes
before starting a rekey or First Time Encryption operation.
To clean up the stale rekey information for the LUN, use one of the following methods:
Method 1
1.
Modify the LUN policy from encrypt to cleartext and commit.
The LUN will become disabled.
2.
Enable the LUN using cryptocfg --enable –LUN. Modify the LUN policy from
clear-text to encrypt with enable_encexistingdata to enable the first time
encryption and do commit.
This will clear the stale rekey metadata on the LUN and the LUN can be used again for
encryption.
Method 2
1.
Remove the LUN from Crypto Target Container and commit.
2.
Add the LUN back to the Crypto Target Container with LUN State="clear-text",
policy="encrypt" and enable_encexistingdata set for enabling the First Time
Encryption and commit.
This will clear the stale rekey metadata on the LUN and the LUN can be used again for
encryption.
HP StorageWorks FOS 6.3.0b Release Notes
41

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Storageworks fos 6.3.0b