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pyfilesystem tahoe-lafs mounted with fuse does not handles fs.errors.StorageSpaceError #1652

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opened 2012-01-07 08:31:39 +00:00 by vrusinov · 0 comments
vrusinov commented 2012-01-07 08:31:39 +00:00
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Linked issue: https://github.com/PyFilesystem/pyfilesystem/issues/101

Please, take a look to it. Pyfileystsem seems to be great way of using tahoe-lafs like regular filesystem, but currently there's no way to ensure that files you are writing to it are being saved.

What steps will reproduce the problem?

  1. Mount tahoe-lafs filesystem via fuse expose
  2. Copy lots of files, until there are not enough storage nodes accepting shares
  3. Next files are silently copied, producing 0-byte files on tahoe lafs instead of full ones. There is no indication of it on any tool.

Part of log file:

(Overwriting 59-byte djvu file with the new one):

(11174160) Opening file /documents/books/FL Studio 3rd Edition.djvu in mode r+
(11174160) Opening existing file /documents/books/FL Studio 3rd Edition.djvu for reading
(11174160) Opening file /documents/books/FL Studio 3rd Edition.djvu in mode w
(11174160) Reading meta for /documents/books/FL Studio 3rd Edition.djvu
(11174160) Creating empty file /documents/books/FL Studio 3rd Edition.djvu
(11174160) Uploading file /documents/books/FL Studio 3rd Edition.djvu
(11174160) Reading meta for /documents/books/FL Studio 3rd Edition.djvu
(11174160) Uploading file /documents/books/FL Studio 3rd Edition.djvu
(11174160) Reading meta for /documents/books/FL Studio 3rd Edition.djvu
(11174160) Listing directory (listdirinfo) /documents/books
(11174160) Path /documents/books/FL Studio 3rd Edition.djvu is directory: 0

Copy process finished with no errors. Directory listing shows full size. I've waited for some time and executed umount:

(11174160) Uploading file /documents/books/FL Studio 3rd Edition.djvu
Exception fs.errors.StorageSpaceError: StorageSpaceError() in <bound method _CacheInvalidatingFile.__del__ of <fs.remote._CacheInvalidatingFile object at 0xabd050>> ignored
(11174160) Uploading file /documents/books/FL Studio 3rd Edition.djvu

How can I ensure that all files are really written to tahoe before returning success to cp/mc/whatever?

Linked issue: <https://github.com/PyFilesystem/pyfilesystem/issues/101> Please, take a look to it. Pyfileystsem seems to be great way of using tahoe-lafs like regular filesystem, but currently there's no way to ensure that files you are writing to it are being saved. What steps will reproduce the problem? 1. Mount tahoe-lafs filesystem via fuse expose 2. Copy lots of files, until there are not enough storage nodes accepting shares 3. Next files are silently copied, producing 0-byte files on tahoe lafs instead of full ones. There is no indication of it on any tool. Part of log file: (Overwriting 59-byte djvu file with the new one): ``` (11174160) Opening file /documents/books/FL Studio 3rd Edition.djvu in mode r+ (11174160) Opening existing file /documents/books/FL Studio 3rd Edition.djvu for reading (11174160) Opening file /documents/books/FL Studio 3rd Edition.djvu in mode w (11174160) Reading meta for /documents/books/FL Studio 3rd Edition.djvu (11174160) Creating empty file /documents/books/FL Studio 3rd Edition.djvu (11174160) Uploading file /documents/books/FL Studio 3rd Edition.djvu (11174160) Reading meta for /documents/books/FL Studio 3rd Edition.djvu (11174160) Uploading file /documents/books/FL Studio 3rd Edition.djvu (11174160) Reading meta for /documents/books/FL Studio 3rd Edition.djvu (11174160) Listing directory (listdirinfo) /documents/books (11174160) Path /documents/books/FL Studio 3rd Edition.djvu is directory: 0 ``` Copy process finished with no errors. Directory listing shows full size. I've waited for some time and executed umount: ``` (11174160) Uploading file /documents/books/FL Studio 3rd Edition.djvu Exception fs.errors.StorageSpaceError: StorageSpaceError() in <bound method _CacheInvalidatingFile.__del__ of <fs.remote._CacheInvalidatingFile object at 0xabd050>> ignored (11174160) Uploading file /documents/books/FL Studio 3rd Edition.djvu ``` How can I ensure that all files are really written to tahoe before returning success to cp/mc/whatever?
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tahoe-lafs added this to the undecided milestone 2012-01-07 08:31:39 +00:00
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