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4e2c1e83be
We cannot validate that totl keys have the correct count/value without also extracting and printing the value for xattrs, which by default is omitted (a sane default). Add a default-disabled --xattr-values/-V flag to enable printing these out. Because xattr values can span multiple items, this only will print out the first one, and ellipsize it if it continues elsewhere. It is filtered through isprint() to avoid printing non-printable characters. Signed-off-by: Auke Kok <auke.kok@versity.com>
Introduction
scoutfs is a clustered in-kernel Linux filesystem designed to support large archival systems. It features additional interfaces and metadata so that archive agents can perform their maintenance workflows without walking all the files in the namespace. Its cluster support lets deployments add nodes to satisfy archival tier bandwidth targets.
The design goal is to reach file populations in the trillions, with the archival bandwidth to match, while remaining operational and responsive.
Highlights of the design and implementation include:
- Fully consistent POSIX semantics between nodes
- Atomic transactions to maintain consistent persistent structures
- Integrated archival metadata replaces syncing to external databases
- Dynamic seperation of resources lets nodes write in parallel
- 64bit throughout; no limits on file or directory sizes or counts
- Open GPLv2 implementation
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