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Closed with Code Change in Fabric OS v6.4.0c - GA September 2, 2010

This section lists the defects with Critical, High and Medium Technical Severity closed with a code change

as of September 2, 2010 in Fabric OS v6.4.0c.

Defect ID: DEFECT000301286 Technical Severity: High

Summary: Routes are not properly redistributed after trunk group loses a trunk member.

Symptom: In a setup with 8G switches running exchanged base route policy, the routes are not

rebalanced properly after a trunk group loses a member. This may cause performance to

be sluggish on 8G switches fabric if there happens to be a slow drain device using the

lower bandwidth links to further congest the fabric. This only impacts 8G switches.

Workaround: Keep trunk groups with equal bandwidth.

Feature: Field Escalation

Function: FC Layer 2 Routing

Probability: Medium

Found in Release: FOS6.2.1

Service Request ID: 433171

Where Else Fixed:

FOS6.3.2

Defect ID: DEFECT000310231 Technical Severity: High

Summary: Constant link resets occur when a long distance port is configured.

Symptom: After configuring a long distance E_Port that requires 128 to 511 credits the customer

observes continuously link timeout with no traffic running. Constant stream of C2-5021.

This, only, affects 8G platforms.

Workaround: Use QOS mode

Feature: Field Escalation

Function: ASIC Driver

Probability: Medium

Found in Release: FOS6.3.1

Service Request ID: 443673

Defect ID: DEFECT000315258 Technical Severity: High

Summary: Switch panics, blade faults, or switch is disabled when credit loss is detected on backend

link.

Symptom: When credit loss happens on internal backend port, RASLOG C-5021 or C2-5021 is

reported with “S#,P-1(#)”. If this happens on:

• FR4-18i: Blade is faulted.

• Brocade 4900,5300 and7500: Switch is faulted/disabled.

• All other switches/directors: hareboot/hafailover will eventually happen.

An example of C2-5021 internal port raslog as: [C2-5021], 730078/0, SLOT 6 | CHASSIS,

WARNING, , S8,P-1(61): Link Timeout,….

Feature: 8G Platform Services

Function: FOS Kernel Drivers

Probability: Low

Found in Release: FOS6.4.0

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Dell VA-40FC Service Manual Page 47