[tahoe-lafs-trac-stream] [tahoe-lafs] #1652: pyfilesystem tahoe-lafs mounted with fuse does not handles fs.errors.StorageSpaceError
tahoe-lafs
trac at tahoe-lafs.org
Sat Jan 7 08:31:41 UTC 2012
#1652: pyfilesystem tahoe-lafs mounted with fuse does not handles
fs.errors.StorageSpaceError
----------------------+---------------------------
Reporter: vrusinov | Owner: nobody
Type: defect | Status: new
Priority: major | Milestone: undecided
Component: unknown | Version: n/a
Keywords: | Launchpad Bug:
----------------------+---------------------------
Linked issue: http://code.google.com/p/pyfilesystem/issues/detail?id=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?
--
Ticket URL: <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/1652>
tahoe-lafs <https://tahoe-lafs.org>
secure decentralized storage
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