Filesystems/Discussion/General/block size/List of Posts
 
Forum Topic - block size: (4 Items)
   
Update
Mario Charest
07/16/2008 11:28 PM
post10638
block size   
From a distant time I vaguely remember something about increasing the block size from 512 to say 1024.

Comments?
David Sarrazin
07/17/2008 2:54 PM
post10669
Re: block size   
Mario,

Which filesystem(s) are you referring to?  The block size of the qnx4 fs is still 512, and the EIDE HDD is also still 
512 bytes.
Mario Charest
07/18/2008 10:59 AM
post10727
Re: block size   
> Mario,
> 
> Which filesystem(s) are you referring to?  The block size of the qnx4 fs is 
> still 512, and the EIDE HDD is also still 512 bytes.    


Either qnx4 or qnx6 fs.  I remember a discussion driver by Igor a few years back.

The idea of bigger block size at the fs level was better performance, reduce overhead, increase maximum partition size. 
 I think most modern fs have block size of around 4K?
David Sarrazin
07/18/2008 4:02 PM
post10756
Re: block size   
Mario,

qnx6fs uses 1024 byte blocks.  Since it can be different on each filesystem, the easiest way to check the current 
blocksize is to use "df -g", which will return the statvfs information, including block size.

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