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5th gen 80GB iPod: Update Now problem.

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shayguitarra:
Hi, been using rockbox on and off for almost a year and I really like it. But I’m having something of a problem. I’ve done some googling and trawled the forum but haven’t found anything that specifically answers my question, so apologies if the answer here is blindingly obvious.

I have a 5th Generation 80GB video ipod, running Rockbox 3.1, the last stable build. My pc is running Kubuntu 8.10

My ‘update now’ feature seems to take a long time to update. When I started adding tracks I added about 2000 at one time, I initialised the database and did an ‘update now’. This took nearly one hour, which I can sort of understand. However, since then even if I only add a dozen or so songs it still takes about 45 minutes to update. There are now approx 7000 tracks on my iPod. Yesterday I inserted replay gain tags to a lot of files that didn’t have them and it took almost two hours to update. Again I can see why this could be the case. I have also started replacing some of my mp3 files with ogg vorbis, so I am deleting a lot of files and copying over a lot of new ones. But it takes so long to update afterwards that the battery gives out. This seems to have either corrupted or confused the database as it is full of duplicates.

I don’t use the auto update feature as it never seemed to finish, and ‘committed database’ every single time I switched on. I do have 'load to RAM' enabled though.

I don’t think I’m operating rockbox in a particularly exceptional or demanding way. So my questions are:
Is this recognised as a problem or just something that I have to learn to live with (i.e. by adding songs in small quantities)?
Is it a problem with the build, the 5th gen ipod itself or with my file tree structure (I have a ‘Media’ folder as my parent and then broken down by artist initial/artist/album/track)?
Or can anybody offer any hints or tips to minimise this?

Despite this slight problem I am very impressed with the firmware, especially the runtime data facility which is like having a full music manager on the ipod.

pondlife:
Do you have directory cache enabled?  That helps a lot.

pondlife

shayguitarra:
No I don't. According to the manual that only works if you have auto-update enabled, which I don't. Update Now apparently carries out that function automatically.

I'll give it a try and report back. Thanks.

AlexP:
Directory cache is completely independent of the database, but the database benefits if it is on.  Where in the manual did you read that directory cache requires auto-update, or any other database function?  If you let me know, I can fix it.

shayguitarra:
I read it here: http://download.rockbox.org/manual/rockbox-ipodvideo/rockbox-buildch4.html#x7-500004.2.4 It is also on page 38 of the pdf for iPod video.

What it actually says is: The Auto Update will only check for deleted files if the Directory Cache  (Settings → General Settings → System → Disk → Directory Cache) is enabled. Update now includes that check whether dircache has been enabled or not.

So from my point of view as I was not using auto-update there seemed to be no benefit in turning it on. Although I now see that the its main function is to store directory contents in RAM, so maybe my choice of words was a little misleading.

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