[Beowulf] HD undetectable errors

Greg Lindahl lindahl at pbm.com
Fri Aug 21 13:59:48 EDT 2009


On Fri, Aug 21, 2009 at 03:25:32PM +0200, Henning Fehrmann wrote:

> Are there any other file systems doing block-wise checksumming?

Cloud filesystems (GFS, HDFS) and Lustre all keep checksums, which end
up being user-level checksums in files stored in traditional
filesystems. I have a petabyte of disk and wouldn't dream of storing
data without checksums.

-- greg



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