As I understand by default EXT3 uses "data=ordered" journalling mode. In this case,
1)the Data is written to the disk
2)MetaData is written to the journal
3)Transaction complete
With the above being the case, is there a possibility that if system crashes there will be filesystem inconsistency.
My understanding is that it should not as Data is first written to the disk and if it fails(or incompletes) then there is record of it anyway in the journal and if system crashes during writing MetaData to the journal it should be okay as actual Data is already in the Disk.
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