[Akonadi] [Bug 332013] NFS: on moving a mail: ItemRetrieverException: Unable to retrieve item from resource: NO PartHelperException, unable to open for writing, file too big

[Martin Steigerwald]

https://bugs.kde.org/show_bug.cgi?id=332013

Martin Steigerwald <ms at teamix.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|on moving a mail:           |NFS: on moving a mail:
                   |ItemRetrieverException:     |ItemRetrieverException:
                   |Unable to retrieve item     |Unable to retrieve item
                   |from resource: NO           |from resource: NO
                   |PartHelperException, unable |PartHelperException, unable
                   |to open for writing, file   |to open for writing, file
                   |too big                     |too big

--- Comment #12 from Martin Steigerwald <ms at teamix.de> ---
Thanks Daniel and Christian. I now have

ms at mango:~/.local/share/akonadi> LANG=C df -hT .
Filesystem                    Type  Size  Used Avail Use% Mounted on
/dev/mapper/mangoraid-akonadi ext4   50G  4.0G   43G   9% /mnt/akonadi

located in a Ext4 SoftRAID 1 on two 1,5 TB WD harddisks.

And it indeed makes a difference. I did not yet see the errors I pasted in this
bug report so far and I can access and view mails just fine.

I confirm that it does not seem a database issue. As for the value you
requested I had it already: 

ms at mango:~/.local/share/akonadi/file_db_data> find . | wc -l 277878

And I also confirmed that I can still write a 100 MiB file to the directory.

Current value with local-share-akonadi on local Ext4 is:

ms at mango:~/.local/share/akonadi#130> ls -1 file_db_data | wc -l
285336

I will open a wish list bug about NFS as it IMHO is an important use case in
organizations. Icedove works on NFS, Evolution works on NFS.

I had Akonadi running against a central PostgreSQL database for a file, but I
think, for ease of setup, I keep Akonadi running as:

ms at mango:~/.local/share> LANG=C ls -l akonadi
lrwxrwxrwx 1 ms teamix 23 Mar 26 11:13 akonadi -> /mnt/akonadi/ms/akonadi

I added this directory to our Crashplan Pro Backup Engine (knowing that the
database backup won't be consistent without stopping Akonadi first). For IMAP I
bet its able to reproduce most metadata anyway in case its lost.

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