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snake3061
 Post subject: I/o Error
PostPosted: Fri Apr 22, 2005 2:37 am 
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Joined: Wed Jan 26, 2005 3:13 pm
Posts: 117
Checking /var/log/mythtv/mythbackend.log I see this:



ERROR: file I/O problem in safe_write(), errcnt = 1: No space left on device
ERROR: file I/O problem in safe_write(), errcnt = 2: No space left on device
ERROR: file I/O problem in safe_write(), errcnt = 3: No space left on device
ERROR: file I/O problem in safe_write(), errcnt = 1: No space left on device
ERROR: file I/O problem in safe_write(), errcnt = 2: No space left on device
ERROR: file I/O problem in safe_write(), errcnt = 3: No space left on device
ERROR: file I/O problem in safe_write(), errcnt = 1: No space left on device
ERROR: file I/O problem in safe_write(), errcnt = 2: No space left on device
ERROR: file I/O problem in safe_write(), errcnt = 3: No space left on device
ERROR: file I/O problem in safe_write(), errcnt = 1: No space left on device
ERROR: file I/O problem in safe_write(), errcnt = 2: No space left on device
ERROR: file I/O problem in safe_write(), errcnt = 3: No space left on device



It goes on forever. It seems the cache is full and stays full. I can delete the cache and it will stay up and working for some time.
Any ideas?
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cesman
 Post subject:
PostPosted: Fri Apr 22, 2005 3:13 am 
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Joined: Fri Sep 19, 2003 7:05 pm
Posts: 5088
Location: Fontana, Ca
ahhh...
Code:
df -h

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When the source is open, the possibilities are endless!
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snake3061
 Post subject: df -h
PostPosted: Fri Apr 22, 2005 4:58 pm 
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Posts: 117
root@mythtvsbe:~# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/hda1 3.8G 1.6G 2.0G 46% /
/dev/hda3 13G 236M 12G 2% /cache
/dev/vg/myth 356G 31G 326G 9% /myth

But it is empty now because I deleted the files in it.
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snake3061
 Post subject: i/o error
PostPosted: Fri Apr 22, 2005 5:09 pm 
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Joined: Wed Jan 26, 2005 3:13 pm
Posts: 117
Is the cache supposed to grow so big?
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brendan
 Post subject: Re: df -h
PostPosted: Fri Apr 22, 2005 5:58 pm 
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Joined: Tue Dec 07, 2004 12:04 pm
Posts: 369
snake3061 wrote:
root@mythtvsbe:~# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/hda1 3.8G 1.6G 2.0G 46% /
/dev/hda3 13G 236M 12G 2% /cache
/dev/vg/myth 356G 31G 326G 9% /myth

But it is empty now because I deleted the files in it.


It might be worth booting up in singleuser mode and running fsck on the /cache volume.

-brendan
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cesman
 Post subject:
PostPosted: Sat Apr 23, 2005 3:14 pm 
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Posts: 5088
Location: Fontana, Ca
As you watch live TV, /cache will grow. If the backend too a dump while watching TV, changes are you need to clean out /cache/cache...

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cesman

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snake3061
 Post subject: err
PostPosted: Sat Apr 23, 2005 5:05 pm 
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Joined: Wed Jan 26, 2005 3:13 pm
Posts: 117
Ok.. I guess that is what has happened. Overnight the backend will crash which doesn't clear the cache and the only way to reclame the cache is to remove it..

thanks
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belcampo
 Post subject: No space left on device
PostPosted: Tue May 03, 2005 2:04 am 
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Joined: Mon Nov 29, 2004 7:59 am
Posts: 25
Location: Hoogland, The Netherlands
in another thread this is mentioned.
----snip-----
probably need to reformat the drive. by default the myth drive gets formated with few inodes expecting not too may large files. if you fill it with lots of small files you run out of inodes even though you have space left. there is a thread about this.
----snip----

Belcampo
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Xsecrets
 Post subject:
PostPosted: Tue May 03, 2005 7:49 am 
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Joined: Mon Oct 06, 2003 10:38 am
Posts: 4978
Location: Nashville, TN
that shouldn't have anything to do with cache. If you are putting any files at all other than the ringbuffer in /cache then you are just asking for trouble, so the limited inodes will not affect it.

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tjc
 Post subject:
PostPosted: Tue May 03, 2005 5:50 pm 
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Joined: Thu Mar 25, 2004 11:00 am
Posts: 9551
Location: Arlington, MA
Sounded like the problem was the old Unix FAQ, why didn't deleting the file free it's space? For the curious who don't already know this - Because so long as something has it open the inode (which actually controls the space) stays around.
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squarebit
 Post subject:
PostPosted: Sun May 08, 2005 4:25 pm 
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Joined: Fri Mar 25, 2005 10:51 pm
Posts: 8
I'm having a similar problem, and so far my solution has been to just delete the 1gig+ log files this is generating. Help?
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cesman
 Post subject:
PostPosted: Mon May 09, 2005 11:00 am 
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Joined: Fri Sep 19, 2003 7:05 pm
Posts: 5088
Location: Fontana, Ca
ahhh
Code:
df -h
Have you read the logs? There are filling up for a reason...

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