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#1 2006-06-20 08:15:08
- EAD
- Member
- Registered: 2006-03-11
- Posts: 255
CD/DVD cach
Hii, I have a small question about caching in linux.
Can I make my system cache more every time I access the CD ?
I mean, it could really speed up my CD if I could get 2 mega each time instedd of 512kb or something.
Is it possible and if so, How can I do it?
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#2 2006-06-20 17:09:52
- sh__
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- Registered: 2005-07-19
- Posts: 272
Re: CD/DVD cach
You can tune the read-ahead to 2Mb with
hdparm -a 4096 /dev/hdc assuming /dev/hdc is your cd drive. (4096 is the number of 512-byte sectors, the default seems to be 256.)
Don't expect any miraculous performance gains, though.
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#3 2006-06-20 18:27:34
- EAD
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- Registered: 2006-03-11
- Posts: 255
Re: CD/DVD cach
amm ok, I knew this, just seem to forget, TANX 
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#4 2006-06-20 19:28:51
- FUBAR
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- From: Belgium
- Registered: 2004-12-08
- Posts: 1,029
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Re: CD/DVD cach
I noticed that when I access data on my DVD-ROM, it gets cached automatically, e.g. when I watch a few episodes I burnt and afterwards I copy them to disk, I get ridiculous speeds (~ 30MB / sec).
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