Comments (2)
Michael Kukat first noticed this and is interested in this.
On Apr 9, 2014, at 10:53 AM, Brett Kettering [email protected] wrote:
John Bent noted that it was his understanding that index files aren't getting sync'd when user calls plfs_sync. Everything needs to be synced to storage on plfs_sync, not just data.
—
Reply to this email directly or view it on GitHub.
from plfs-core.
Hi,
i had a quick look into the sources and it looks like the index files
should also be flushed&synced, so i'm not 100% sure if there really is
an issue in 2.5. At least the same test (crashing one node during
writing to a shared file with known sync intervals, so the other node
can take over a at a safe position before where the crashed one left)
worked fine with 2.3.
Didn't perform enough test runs with 2.3 for good statistics, but for
2.5, i had 2 or 3 runs and the index files of the crashed node always
were 0 bytes afterwards, the file was not readable.
...Michael
Am 09.04.2014 17:15, schrieb John Bent:
Michael Kukat first noticed this and is interested in this.
On Apr 9, 2014, at 10:53 AM, Brett Kettering <[email protected]
mailto:[email protected]> wrote:John Bent noted that it was his understanding that index files aren't
getting sync'd when user calls plfs_sync. Everything needs to be
synced to storage on plfs_sync, not just data.—
Reply to this email directly or view it on GitHub
#349.
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Michael Kukat
Senior Software Developer
GRAU DATA AG
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E-Mail: [email protected] mailto:[email protected]
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GRAU DATA - YOU DATA, YOUR CONTROL
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from plfs-core.
Related Issues (20)
- PLFSRC indication of index type for mount point HOT 1
- Move reference counting out of libplfs and into FUSE
- MPI Abort during Read Phase of fs_test HOT 6
- Production-harden code
- Patching issue with openmpi-1.7.4
- Error in PLFS N-N files' metadata HOT 1
- Race conditions in Writefile
- plfs_query not working for physical to logical? HOT 3
- plfsrc parsing error HOT 1
- renaming an open file: data structure updates incomplete
- renaming an open file: locking data structures and concurrency
- multithreaded mkdir can fail with multiple backends
- plfs_writex
- VERSION and VERSION.layout files deprecated
- flatfile rename issue HOT 3
- plfs_read not working with small files HOT 5
- plfs shouldn't have to patch romio HOT 1
- is this project dead? HOT 2
- traces for reference not on lanl.gov anymore
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