-
retains compatibility with the ext3 on-disk format. ext3 does not do
checksumming when
writing to the journal. On a
storage device with
extra cache, if...
- footprint, compression, encryption, zero-detection, data and
metadata checksumming, and
synchronization to
other filesystems or nodes. It
lacks support...
- for example, file
systems such as
Btrfs and ZFS use data and
metadata checksumming in
combination with
copies of
stored data to
detect silent data corruption...
- checksums. Its
designers considered that the whole-packet link
layer checksumming provided in protocols, such as PPP and Ethernet,
combined with the use...
- of such spam may
often vary in its details,
which would render normal checksumming ineffective. By contrast, a "fuzzy checksum"
reduces the body text to...
-
block itself. Next, the
block pointer is
checksummed, with the
value being saved at its pointer. This
checksumming continues all the way up the file system's...
- recompilation. Alternatively,
these other tools (length checks, diff,
checksumming, dis****emblers) can
themselves be
compromised to
conceal the backdoor...
- I/O wait
during journaling,
improving performance slightly.
Journal checksumming was
inspired by a
research article from the
University of Wisconsin,...
-
filesystems (including
Btrfs and ZFS)
provide internal data and
metadata checksumming that is used for
detecting silent data
corruption and
improving data...
- built-in
checksumming and
either mirroring or
parity for
extra redundancy on one or
several block devices:
Bcachefs – Full data and
metadata checksumming, bcache...
