I've just stumbled across this mailing list thread discussing it https://www.redhat.com/archives/ext3-users/2008-January/msg00027.html (although the conversation quickly turns to the creation of a LVM based cron script). The suggestion is that people use LVM snapshotting and then check the snapshot (which is a rather clever way of doing online checking)...
I've just stumbled across this mailing list thread discussing it https:/ /www.redhat. com/archives/ ext3-users/ 2008-January/ msg00027. html (although the conversation quickly turns to the creation of a LVM based cron script). The suggestion is that people use LVM snapshotting and then check the snapshot (which is a rather clever way of doing online checking)...