[mythtv-users] Hard disk performance

John reidjr at lineone.net
Thu Dec 2 20:46:54 UTC 2010

On 02/12/10 20:41, Alex Tomlins wrote:
> On 02/12/10 20:32, aaron wrote:
>> On Thu, Dec 2, 2010 at 15:18, Craig Van Tassle<craig at codestorm.org>  
>> wrote:
>>> Also with ext3, you will start to see slower access and read times 
>>> as your
>>> files get larger and your drive fills up. I found that with my Raid 
>>> array,
>>> and other systems using the same size of drives.
>> I have been a big fan of XFS ever since SGI made the first public code
>> drop way back. I was frustrated with the length of time it took for
>> ext2 to recover after a system crash/hang, and the periodic forced
>> fsck during bootup. For those reasons I skipped over ext3 entirely and
>> haven't heard many good things about its performance.
>> But recently I've tried ext4 and I am reasonably impressed with the
>> performance. I installed Ubuntu 10.04 on my laptop and used XFS. I
>> figured that Ubuntu had abandoned the "30 second bootup" that they
>> were so proud of in the past... until I hosed my system and
>> reinstalled and decided to try ext4.... and wow, the system boots
>> really fast, and overall the performance does feel faster than with
>> XFS (much to my amazement)
>> Ext4 still has the very frustrating forced fsck every so often, though
>> (I'm not sure what the default setting is... I think maybe every 20
>> mounts?).
>> (I was sold on moving everything to ext4 right up until the first time
>> my Ubuntu system did its forced fsck ... not really something I want
>> happening on a Myth box that wakes itself up right before recordings
>> start...)
>> aaron
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> Have a look at tune2fs (part of the standard ext2 toolset).  It will 
> let you set things like how often a full fsck is run, and even disable 
> the automatic fsck runs.
> Alex
was just going to post :

# tune2fs -c 0 -i 0 /dev/hdXY

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