Re: what is the fs type of root filesystem ?

On Tue, Feb 12, 2013 at 01:14:26PM -0800, Bradley D. Thornton wrote:
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> 
> On 02/10/2013 10:38 PM, horseriver wrote:
> > hi:)
> > 
> >   root fs is ext3 or ext4 ?
> 
> When you install your operating system, you must first decide upon upon
> the devices which will be used to house your operating system (Which
> disk devices will contain your operating system).
> 
> The next thing is to decide how you are going to partition that
> resource, and typically, that means at least two partitions - one for
> your "swap" and one for your "/", but usually, one will partition the
> disk by allocating additional partitions to break up the tree under "/"
> with additional partitions.
> 
> Those partitions might be "/", "/home", and "/boot", as well as others,
> but for the purposes of this example I'll simply address those three as
> if they were the choices made.
> 
> The third thing you need to do after partitioning is to prepare those
> partitions - In the case of swap, you will use type 82. In the case of
> all others, the type will remain unchanged as type 83 (you don't need to
> do anything - it is already set as this).
> 
> The fourth thing is to decide upon a *file system* for "/", "/boot", and
> "/home" (as per our example layout).
> 
> If you choose 'ext3', you really can't go wrong, as this file system
> type is supported by almost all Linux distros, out of the box, so to speak.
> 
> You do NOT want to choose 'xfs' as the file system for "/boot" (if you
> have a "/boot" - if you don't, then do not choose xfs for "/").
> 
> So, for the purposes of our example, a typical layout might be as follows:
> 
> /dev/sda1	/boot	200MBytes	ext2	type 83
> 
> /dev/sda2	swap	2048MBytes	swap	type 82
> 
> /dev/sda3	/	20GBytes	ext3	type 83
> 
> /dev/sda4	/home	40GBytes	xfs	type 83
> 
> Of course, you can safely and effectively decide upon and use ext3 file
> system type for "/boot", "/", as well as "/home".
> 
> I personally prefer ext2 for "/boot", and xfs for performance reasons on
> "/home", and ext3 or ext4 for the others.
> 
> So to summarize, if you choose ext3 for ALL of your partitions, you
> shouldn't have any issues whatsoever :) this might be a good choice for
> you until you develop your own personal prejudices and preferences -
> until you know what your personal preferences are, and why, choosing
> ext3 is a good choice.
> 
> I hope that helps :)
> 
> 

    Thanks!

    I think , virtually ,mounting a file system is reading  and analysising the disk's data .
    then the user can operate  these data in form of file tree .

    Do I comprehend correctly ? 

> - -- 
> Bradley D. Thornton
> Manager Network Services
> NorthTech Computer
> TEL: +1.310.388.9469  (US)
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