APAR status
Closed as program error.
Error description
Add vinfoLockOnWrite config to hold vinfo lock for file write operation. Enabling this config can solve the write performance degradation of Ganesha/NFS found between GPFS 5.1.1 and GPFS 5.1.2.
Local fix
Problem summary
Add vinfoLockOnWrite config to hold vinfo lock for file write operation. Enabling this config can solve the write performance degradation of Ganesha/NFS found between GPFS 5.1.1 and GPFS 5.1.2.
Problem conclusion
This problem is fixed in 5.1.2 PTF 8 To see all Spectrum Scale APARs and their respective fix solutions refer to page https://public.dhe.ibm.com/storage/spectrumscale/spectrum_scale_ apars.html Benefits of the solution: Enabling this config can solve the write performance degradation of Ganesha/NFS found between GPFS 5.1.1 and GPFS 5.1.2. Work Around: None Problem trigger: Ganesha/NFS write performance degradation is more likely to occur if the number of Ganesha threads is large. Symptom: Performance Impact/Degradation Platforms affected: ALL Operating System environments Functional Area affected: NFS Customer Impact: Suggested
Temporary fix
Comments
APAR Information
APAR number
IJ44119
Reported component name
SPEC SCALE STD
Reported component ID
5737F33AP
Reported release
512
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2022-11-04
Closed date
2022-11-04
Last modified date
2022-11-04
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Fix information
Fixed component name
SPEC SCALE STD
Fixed component ID
5737F33AP
Applicable component levels
[{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"STXKQY"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"512","Line of Business":{"code":"LOB26","label":"Storage"}}]
Document Information
Modified date:
04 November 2022