[vdr] Instability with recordings on VDR-1.7.4 when recording to a NTFS partition

Niedermeier Günter linuxtv at ncs-online.de
Sun Mar 22 11:13:03 CET 2009


Hawes, Mark schrieb:
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> /If I pause live video then restart it starts in slo-mo i.e. judders, and/
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>>>/ then eventually freezes, but may then start again, still juddering …./
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>>>/ and freezing …/
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>>/ /
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>>/ Well, then I have no idea why it wouldn't work with an NTFS partition,/
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>>/ while it does work with others./
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>>/ /
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>>/ Klaus/
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>> Hi Klaus,
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>> I have similar problems using a NFS share under some circumstances:
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>> The general problem is that the index file stops growing after a few
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>> seconds, while the 00001.ts file growing normally.
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>> 1. Using a local HDD with ReiserFS for recording, everything works well.
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>> 2. Using NFS V3 with the mount options tcp,hard,sync the index file
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>> stops growing.
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>> 3. Using NFS V3 with the mount options tcp,soft,async the index file
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>> keeps growing. I was happy figured that out, but there seems to be
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>> another problem.
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>> While having heavy network load this problem occurs again.
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>> An example:
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>> Cutting a movie on my NFS share, while recording a new movie to the same
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>> NFS share causes in the same problem, the index file stops growing.
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>> And... it does not start growing again, after the cutting has finished.
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>> This means that I have to stop/start the recording to get a correct
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>> index file again.
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>> Could it be possible, that the process which is writing the index dies
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>> in some kind?
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>> I've never had a problem like this in older VDR versions, and I often do
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>> cutting and recording at the same time.
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>> BTW: Is the a way to (re)create a new index file for TS like genvdr for
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>> VDR file did?
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>> -Günter
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> Hi,
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> I have checked the recording directory and sure enough, the index file stops growing after a short while (seconds).
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> I have tried mounting the NTFS partition with the async option but to no avail, i.e. problem is still there.
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> BTW: How do I respond to an already open thread? All I seem to be able to do is start a new one.
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> Mark.
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Hi,

o.k. that is exactly the same problem I have.

But here is a missunderstandig: I'm using a network share from my NAS
mounted with NFS filesystem NOT NTFS.

NTFS is a local filesystem on one of your local HDD's.
Using NTFS you don't have a mount option like soft or async.

Perhaps it depends on some kind of speed. NTFS is userspaced not kernel.

I don't know.

I'm using a normal email client like thunderbird, choose the mail I want
to answer to, and everything is ok.

-Günter






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