Having an issue with the KVstore not initializing in our environment. The error log from mongod.log is below I have attempted a ./mongod --repair, but this hasn't made a difference. This all started after changing DB locations and cleaning all databases. 2016-10-24T16:35:15.302Z I STORAGE [initandlisten] _getOpenFile() invalid file index requested 1 2016-10-24T16:35:15.302Z I - [initandlisten] Invariant failure false src/mongo/db/storage/mmap_v1/mmap_v1_extent_manager.cpp 201 2016-10-24T16:35:15.319Z I CONTROL [initandlisten] 0x7fbe5f351062 0x7fbe5f2eb7e9 0x7fbe5f2ce889 0x7fbe5f12154f 0x7fbe5f1215b2 0x7fbe5f120ce8 0x7fbe5f12e2b3 0x7fbe5f11a153 0x7fbe5f11aa60 0x7fbe5f11b22e 0x7fbe5f11e608 0x7fbe5ecc8876 0x7fbe$ ----- BEGIN BACKTRACE ----- {"backtrace":[{"b":"7FBE5E689000","o":"CC8062"},{"b":"7FBE5E689000","o":"C627E9"},{"b":"7FBE5E689000","o":"C45889"},{"b":"7FBE5E689000","o":"A9854F"},{"b":"7FBE5E689000","o":"A985B2"},{"b$ mongod(_ZN5mongo15printStackTraceERSo+0x32) [0x7fbe5f351062] mongod(_ZN5mongo10logContextEPKc+0xE9) [0x7fbe5f2eb7e9] mongod(_ZN5mongo15invariantFailedEPKcS1_j+0xB9) [0x7fbe5f2ce889] mongod(_ZNK5mongo19MmapV1ExtentManager12_getOpenFileEi+0x8F) [0x7fbe5f12154f] mongod(_ZNK5mongo19MmapV1ExtentManager9getExtentERKNS_7DiskLocEb+0x22) [0x7fbe5f1215b2] mongod(_ZN5mongo19MmapV1ExtentManager9cacheHintERKNS_7DiskLocERKNS_13ExtentManager8HintTypeE+0x18) [0x7fbe5f120ce8] mongod(_ZN5mongo19CappedRecordStoreV1C2EPNS_16OperationContextEPNS_28CappedDocumentDeleteCallbackERKNS_10StringDataEPNS_21RecordStoreV1MetaDataEPNS_13ExtentManagerEb+0xE3) [0x7fbe5f12e2b$ mongod(_ZN5mongo26MMAPV1DatabaseCatalogEntry14_insertInCacheEPNS_16OperationContextERKNS_10StringDataENS_8RecordIdEPNS0_5EntryE+0x213) [0x7fbe5f11a153] mongod(_ZN5mongo26MMAPV1DatabaseCatalogEntry5_initEPNS_16OperationContextE+0x6D0) [0x7fbe5f11aa60] mongod(_ZN5mongo26MMAPV1DatabaseCatalogEntryC1EPNS_16OperationContextERKNS_10StringDataES5_bb+0x18E) [0x7fbe5f11b22e] mongod(_ZN5mongo12MMAPV1Engine23getDatabaseCatalogEntryEPNS_16OperationContextERKNS_10StringDataE+0x1B8) [0x7fbe5f11e608] mongod(_ZN5mongo14DatabaseHolder6openDbEPNS_16OperationContextERKNS_10StringDataEPb+0x126) [0x7fbe5ecc8876] mongod(_ZN5mongo13initAndListenEi+0x107D) [0x7fbe5eba3c3d] mongod(main+0x159) [0x7fbe5eba8539] libc.so.6(__libc_start_main+0xFD) [0x7fbe5d56ccdd] any advice will be welcome ... View more