Oliver, thank you very much for your reply!
In fact I forgot to run zebraidx as user koha-koha, and so you were right: I had bad permissions on the index files in shadow. I tried to fix that by changing the ownership and restarted zebra, but that had no effect. So I guess you are right, that I messed up my index by trying that (which is not too bad; I can still remove the index and try again as koha-koha). I hope nothing else broke by that mistake, and the database is still fine?!
Your best bet actually is to use the koha-rebuild-zebra command, which will automatically use the correct user. But your data is definitely safe, just not searchable yet.
To increase the disk space, thats exactly what I did: I changed the value in zebra-biblios.cfg. But can you explain, what the directories are used for? After finishing indexing, will I have data in both directories or could I configure my 100 GB disk, so that both directories can take 80 GB space? I will try that and see...
The register directory stores the actual index, and the shadow directly stores a working copy during the indexing process. If you do a full index with shadow enabled, you'll run out of space on the 100GB disk, but my experience is that in ordinary day-to-day work, it's unlikely you'll have a problem. I still have a problem with rebuild_zebra.pl: it ignores the -s parameter.
If I understood that right, rebuild_zebra should use an existing exported_records file, if I use the parameter -s and -d. But it doesn't. Any time I'm starting rebuild_zebra, the script exports my database (this takes pretty much time and I wanted to bypass it). Is this a bug or am I missing anything?
It's always worked for me, so I'm not sure what the problem would be here. Regards, Jared -- Jared Camins-Esakov Bibliographer, C & P Bibliography Services, LLC (phone) +1 (917) 727-3445 (e-mail) jcamins@cpbibliography.com (web) http://www.cpbibliography.com/