Dell Brocade 5100 Fabric OS v7.0.2 Release Notes v1.0 - Page 56

Slow FICON Tape Write performance after reboot

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Close with Code Change in Fabric OS v7.0.2 Defect ID: DEFECT000396826 Technical Severity: Medium Summary: Performance down on compressed FCIP tunnel in v7.0.1a vs. 6.4.2a Symptom: Slightly lower throughput between the releases due to delay in sending from TCP Initiator side of the connection. The delay between FC receive and TCP send can be as much as 1.4 ms when the TCP packet is less than 1/2 of the TCP MSS. Feature: FCIP Function: FCIP I/O Probability: Medium Found in Release: FOS7.0.1 Service Request ID: 723895 Defect ID: DEFECT000396847 Technical Severity: Medium Summary: Slow FICON Tape Write performance after reboot Symptom: After a tunnel bounce or slot/chassis reboot, certain FICON Tape Write jobs' performance is limited. Workaround: Either start a multiple CCW tape write job (more than 1 CCW in the write chain) or a tape read job. This will automatically correct the peer side pool state information. Feature: Field Escalation Function: FCIP Probability: Low Found in Release: FOS6.4.2 Service Request ID: 724213 Defect ID: DEFECT000397001 Technical Severity: Medium Summary: Update islshow and fdmishow man page Symptom: Man page update to be more consistent with code Feature: Man Pages Function: Edit/Correct Probability: Low Found in Release: FOS7.0.1 Service Request ID: 723871 Defect ID: DEFECT000397353 Technical Severity: Medium Summary: When issuing the statsclear command it will return an error saying slot0 is non-existent in v7.0.1a Symptom: > statsclear Invalid slot number 0 detected in chassis system. Please use --slot option or setslot command to provide a valid slot. Workaround: Use slotstatsclear command Feature: Field Escalation Function: Fabric Services Probability: High Found in Release: FOS7.0.1 Service Request ID: 724465 Fabric OS v7.0.2 Release Notes v1.0 Page 56 of 99

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Close with Code Change in Fabric OS v7.0.2
Fabric OS v7.0.2 Release Notes v1.0
Page 56 of 99
Defect ID:
DEFECT000396826
Technical Severity:
Medium
Summary:
Performance down on compressed FCIP tunnel in v7.0.1a vs. 6.4.2a
Symptom:
Slightly lower throughput between the releases due to delay in sending from TCP Initiator
side of the connection. The delay between FC receive and TCP send can be as much as 1.4
ms when the TCP packet is less than 1/2 of the TCP MSS.
Feature:
FCIP
Function:
FCIP I/O
Probability:
Medium
Found in Release:
FOS7.0.1
Service Request ID:
723895
Defect ID:
DEFECT000396847
Technical Severity:
Medium
Summary:
Slow FICON Tape Write performance after reboot
Symptom:
After a tunnel bounce or slot/chassis reboot, certain FICON Tape Write jobs’ performance is
limited.
Workaround:
Either start a multiple CCW tape write job (more than 1 CCW in the write chain) or a tape
read job. This will automatically correct the peer side pool state information.
Feature:
Field Escalation
Function:
FCIP
Probability:
Low
Found in Release:
FOS6.4.2
Service Request ID:
724213
Defect ID:
DEFECT000397001
Technical Severity:
Medium
Summary:
Update islshow and fdmishow man page
Symptom:
Man page update to be more consistent with code
Feature:
Man Pages
Function:
Edit/Correct
Probability:
Low
Found in Release:
FOS7.0.1
Service Request ID:
723871
Defect ID:
DEFECT000397353
Technical Severity:
Medium
Summary:
When issuing the statsclear command it will return an error saying slot0 is non-existent in
v7.0.1a
Symptom:
> statsclear
Invalid slot number 0 detected in chassis system.
Please use --slot option or setslot command to provide a valid slot.
Workaround:
Use slotstatsclear command
Feature:
Field Escalation
Function:
Fabric Services
Probability:
High
Found in Release:
FOS7.0.1
Service Request ID:
724465