On Fri, Feb 19, 2010 at 08:15:30PM -0800, Reza Roboubi wrote: > What checksumming is done for the actual data? I know that storage > devices often do their own checksumming too, but how can I be sure > my data is integrity checked every time I read it? If you use disks that support the Data Integrity Field (DIF) extension, Linux will use it to provide end-to-end data checksum support. Otherwise, there are checksums on the disk and between disk controller and the CPU, but those are obviously not end-to-end checksums. Adding data-level checksums is not something that we are planning on adding to the ext2/3/4 file systems. BTRFS is the only file system that has data-level checksums, but it's not yet production ready. Best regards, - Ted _______________________________________________ Ext3-users mailing list Ext3-users@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/ext3-users
