Tuning parameters change history
| Parameter1 | Added | Updated2 | Obsoleted3 |
|---|---|---|---|
| adminMode | |||
| afmAsyncDelay | 4.1 | ||
| afmAsyncOpWaitTimeout | 5.0.0 | 5.0.1 | |
| afmDirLookupRefreshInterval | |||
| afmDirOpenRefreshInterval | |||
| afmDisconnectTimeout | |||
| afmEnableNFSSec | 5.0.1 | ||
| afmExpirationTimeout | |||
| afmFastCreate | 5.0.5 | ||
afmFastLookup![]() |
5.2.0![]() |
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| afmFileLookupRefreshInterval | |||
| afmFileOpenRefreshInterval | |||
| afmGateway | 5.0.2 | ||
| afmHardMemThreshold | 4.2 | ||
| afmHashVersion | 4.1 | 5.0.0, 5.0.2, 5.0.5 | |
afmLookupMapSize![]() |
5.2.0![]() |
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| afmMaxParallelRecoveries | 5.0.0 | ||
| afmNFSVersion | 5.1.2 | ||
| afmSyncNFSV4ACL | 5.1.2 | ||
| afmNumReadThreads | 4.1 | 4.1.0.4 | |
| afmNumWriteThreads | 4.1.0.4 | ||
| afmObjectFastReaddir | 5.1.2.1 | ||
afmObjMUCheckFName![]() |
5.2.0![]() |
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| afmParallelMounts | 5.0.4 | ||
| afmParallelReadChunkSize | 4.1 | ||
| afmParallelReadThreshold | 4.1 | ||
| afmParallelWriteChunkSize | 4.1 | ||
| afmParallelWriteThreshold | 4.1 | ||
| afmReadDirOnce | 5.0.5 | ||
| afmReadSparseThreshold | |||
| afmRefreshAsync | 5.0.3 | ||
| afmRefreshOnce | 5.0.5 | ||
| afmResyncVer2 | 5.1.2 | ||
| afmRevalOpWaitTimeout | 5.0.0 | ||
| afmRPO | 5.0.0 | ||
| afmSecondaryRW | 4.2 | ||
| afmShowHomeSnapshot | |||
| afmSyncOpWaitTimeout | 5.0.0 | ||
| atimeDeferredSeconds | |||
| autoload | 4.1 | ||
| automountDir | 4.1 | ||
| backgroundSpaceReclaimThreshold | 5.1.0 | ||
| cesSharedRoot | 4.1.1 | 4.2.1 | |
| cifsBypassTraversalChecking | 4.2.1 | ||
| cipherList | 4.1.0.4 | ||
| cnfsGrace | 4.1 | ||
| cnfsMountdPort | |||
| cnfsNFSDprocs | |||
| cnfsReboot | 4.1 | ||
| cnfsSharedRoot | 4.1 | ||
| cnfsVersions | 4.1 | ||
| cnfsVIP | 4.0.1.4 | ||
| commandAudit | 4.2.1 | ||
| dataDiskCacheProtectionMethod | 4.2.1 | ||
| dataDiskWaitTimeForRecovery | |||
| dataStructureDump | 4.2.1 | ||
| deadlockBreakupDelay | 4.1 | ||
| deadlockDataCollectionDailyLimit | 4.1 | 4.2, 4.2.1, 4.2.3 | |
| deadlockDataCollectionMinInterval | 4.1.1 | 4.2, 4.2.1 | |
| deadlockDetectionThreshold | 4.1 | 4.2, 4.2.1 | |
| deadlockDetectionThresholdForShortWaiters | 4.1.1 | ||
| deadlockDetectionThresholdIfOverloaded | 4.1.1 | 4.2 | 4.2.1 |
| deadlockOverloadThreshold | 4.1.1 | 4.2, 4.2.1 | |
| debugDataControl | 4.2.1 | 4.2.3 | |
| defaultHelperNodes | 4.1.0.4, 5.0.1 | ||
| defaultMountDir | |||
| disableInodeUpdateOnFdatasync | |||
| dmapiDataEventRetry | |||
| dmapiEventTimeout | 4.2.3 | ||
| dmapiMountEvent | |||
| dmapiMountTimeout | |||
| dmapiSessionFailureTimeout | |||
| enableIPv6 | 4.2.0 | 5.1.0 | |
| enforceFilesetQuotaOnRoot | |||
| expelDataCollectionDailyLimit | 4.1.1 | ||
| expelDataCollectionMinInterval | 4.1.1 | ||
| failureDetectionTime | |||
| fastestPolicyCmpThreshold | 4.1.1 | 4.2.1 | |
| fastestPolicyMaxValidPeriod | 4.1.1 | ||
| fastestPolicyMinDiffPercent | 4.1.1 | ||
| fastestPolicyNumReadSamples | 4.1.1 | ||
| fileHeatLossPercent | 5.0.4 | ||
| fileHeatPeriodMinutes | 5.0.4 | ||
| FIPS1402mode | 4.1 | 4.1.0.4 | |
| frequentLeaveCountThreshold | 5.0.1 | ||
| frequentLeaveTimespanMinutes | 5.0.1 | ||
| ignorePrefetchLUNCount | 4.2.1 | 4.2.3 , 5.2.0![]() |
|
| logRecoveryThreadsPerLog | 5.1.0 | ||
| logOpenParallelism | 5.1.0 | ||
| logRecoveryParallelism | 5.1.0 | ||
| lrocData | 4.1 | ||
| lrocDataMaxFileSize | 4.1 | ||
| lrocDataStubFileSize | 4.1 | ||
| lrocDirectories | 4.1 | ||
| lrocEnableStoringClearText | 5.0.0 | ||
| lrocInodes | 4.1 | ||
| maxActiveIallocSegs | 5.0.2 | ||
| maxblocksize | 4.1.0.4, 5.0.0 | ||
| maxBufferDescs | 4.2.1 | ||
| maxDownDisksForRecovery | 4.1.1 | ||
| maxFailedNodesForRecovery | 4.1.1 | ||
| maxFcntlRangesPerFile | |||
| maxFilesToCache | |||
| maxMBpS | |||
| maxMissedPingTimeout | 4.2.1 | ||
| maxStatCache | 4.1.1, 4.2.3, 5.0.2 | ||
| maxTcpConnsPerNodeConn | 5.1.1 | ||
| metadataDiskWaitTimeForRecovery | 4.1.0.4 | ||
| minDiskWaitTimeForRecovery | 4.1.1 | ||
| minMissedPingTimeout | 4.2.1 | ||
| mmapRangeLock | |||
| mmfsLogTimeStampISO8601 | 4.2.2 | ||
| nfsPrefetchStrategy | 4.2.1 | ||
| nistCompliance | 4.1 | ||
| noSpaceEventInterval | |||
| nsdBufSpace | |||
| nsdCksumTraditional | 5.0.1 | ||
| nsdDumpBuffersOnCksumError | 5.0.1 | ||
| nsdInlineWriteMax | 4.2.1 | ||
| nsdMaxWorkerThreads | 4.2.1 | ||
| nsdMinWorkerThreads | 4.2.1 | ||
| nsdMultiQueue | 4.2.1 | ||
| nsdRAIDTracks | |||
| nsdRAIDBufferPoolSizePct | |||
| nsdServerWaitTimeForMount | |||
| nsdServerWaitTimeWindowOnMount | |||
| numaMemoryInterleave | 4.1.0.4 | 5.2.0![]() |
|
| pagepool | 4.2 , 5.2.0![]() |
||
| pagepoolMaxPhysMemPct | |||
| panicOnIOHang | 5.0.2 | ||
| pitWorkerThreadsPerNode | 4.1.1 | ||
| prefetchPct | 4.2.1 | ||
prefetchPartitions![]() |
5.2.0![]() |
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| prefetchThreads | 4.1.0.4 | ||
| profile | 4.1.1 | ||
| readReplicaPolicy | 4.1.1 | 4.2.1 | |
| release=LATEST | 4.2.1 | ||
| restripeOnDiskFailure | 4.2.1 | ||
| rpcPerfNumberDayIntervals | 4.1 | ||
| rpcPerfNumberHourIntervals | 4.1 | ||
| rpcPerfNumberMinuteIntervals | 4.1 | ||
| rpcPerfNumberSecondIntervals | 4.1 | ||
| rpcPerfRawExecBufferSize | 4.1, 5.0.0 | ||
| rpcPerfRawStatBufferSize | 4.1 | ||
| seqDiscardThreshold | 4.2.1 | ||
| sharedTmpDir | 5.0.1 | ||
| sidAutoMapRangeLength | |||
| sidAutoMapRange | |||
| subnets | |||
| sudoUser | 5.0.0 | ||
| syncBuffsPerIteration | 4.2.1 | ||
| syncSambaMetadataOps | 4.2.1 | ||
| systemLogLevel | 4.1 | ||
| tiebreakerDisks | 4.1, 4.2.3 | ||
| tscCmdPortRange | 5.0.0 | ||
| uidDomain | |||
| unmountOnDiskFail | 4.2 | ||
| verbsGPUDirectStorage | 5.1.2 | ||
| verbsNumaAffinity | 5.1.2 | ||
| usePersistentReserve | |||
| verbsPorts | 4.2.2, 5.0.0 | ||
| verbsHungRdmaTimeout | 5.1.0 | ||
| verbsRdma | |||
| verbsRdmaCm | |||
| verbsRdmaPkey | 4.2.3 | ||
| verbsRdmaRoCEToS | 4.1.0.4 | ||
| verbsRdmaSend | |||
| verbsRdmasPerConnection | 4.2, 4.2.1 | 5.0.0 | |
| verbsRdmasPerNode | 4.2.1 | 5.0.0 | |
| verbsRecvBufferCount | 5.0.0 | ||
| verbsRecvBufferSize | 5.0.0 | ||
| verbsSendBufferMemoryMB | 5.0.0 | ||
| workerThreads | 4.2 | 4.2.2 , 5.2.0![]() |
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| worker1Threads | 4.2 , 5.2.0![]() |
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| writebehindThreshold | 4.2.1 | ||
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1 For more information, see Changing the GPFS cluster configuration data. 2 For more information about the updated parameters, see the mmchconfig command. 3 Parameter is not valid starting from the given release. |
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