Ext3 users - Feb 2006 - Ext3: Ordered : Fsync question

Does Fsync of a file on a ext3 fs mounted with "ordered" option(the
default) result in flush the dirty data buffers in the fs that
correspond to previous transactions. In other words, if I keep writing
to file1 (lots of data), log something to file2, keep fsyncing file2
after every write - does this mean file1 data would be committed by
fsyncs on file2.

Please copy me on your replies (pradeep.vincent at gmail.com)

Thanks,

Pradeep Vincent

Hi,

 I'm doing FC1 to FC4 upgrade these days and I find
that the ext3 file system features of FC1 and FC4 are
different.

For FC4, there are three more ext3 file system
features are on: they are ext_attr, resieze_inode, and
dir_index.

FC4:

Filesystem features:      has_journal ext_attr
resize_inode dir_index filetype needs_recovery
sparse_super large_file

FC1:
Filesystem features:      has_journal filetype
needs_recovery sparse_super large_file

So How do I add these 3 ext3 features to untouched
data partitions like /home after my server is upgraded
to FC4? Do I have to do it manually? or the upgrade
will do it for me automatically? I'm afraid of losing
precious data but still like to have cool new
features.

 Any suggestions are greatly welcomed.

Thanks.

 




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