> Given that the default journaling mode of ext3 (i.e. ordered), does not > guarantee write ordering after a crash, is this journaling mode safe > enough to use for a database such as Oracle? If so, how are out of sync > writes delt with? Oracle manages its own I/O cache in userspace and handles data coherency related to that. So data=journal is useless in this case. I guess databases such as Oracle uses O_SYNC to control the flushing of data or even O_DIRECT to bypass the kernel cache. Johann _______________________________________________ Ext3-users@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/ext3-users
