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875583b7ef
The t_server_nr and t_first_client_nr helpers iterated over all the fs numbers examining their quorum/is_leader files, but clients don't have a quorum/ directory. This was causing spurious outputs in tests that were looking for servers but didn't find it in the first quorum fs number and made it down into the clients. Give them a helper that returns 0 for being a leader if the quorum/ dir doesn't exist. Signed-off-by: Zach Brown <zab@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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