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The current test case attempts to create a state to read by calling setattr and getattr in attempt to force block cache reads. It so happens that this does not always force cache block reads, which in rare cases causes this test case to fail. The new test case removes all the extra bouncing around of mount points and we just directly call scoutfs df which will walk everyone's allocators to summarize the block counts, which is guaranteed to exist. Therefore, we do not have to create any sort of state prior to trying to force a read. Signed-off-by: Bryant G. Duffy-Ly <bduffyly@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
Community Mailing List
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