please help

please help

[cyjoyp]

Hi there,
          I am searching on what all value does di_mode of xfs_dinode_core_t
(Core Inode) hold...
If you could please help me.
          As i understand ,di_mode helps us to determine the type of file
stored in the Inode.I just wanted to know what are the mode types of
file,directory,links,etc...

Instant reply is appreciated :-)


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Please Help

[Pol]

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Good morning.
I'm writing from Barcelona and English is not my born language, so I'd 
like to apologize in advance for any possible mistakes in my text.

I'm a Windows user who has recently moved to Linux (Ubuntu 10.04), and I 
have a serious problem regarding my Hard Drives' File System.
I have a desktop version of Ubuntu and I'm a complete regular user.

I have two physical drives in my system:
1. 36GB: EXT4 partition for /, another EXT4 for /home and a SWAP one.
2. 1TB (for data) drive.

I generate so much video and music data per month (AVI, MKV, MP3, WAV) 
because of my job, and need to copy it to external hard drives to ensure 
I don't lose any of it.

My question is about the FS to use in these data drives.
I currently have all of them in XFS fyle system. Every file I generate 
is saved in my internal XFS drive, and whenever the hd is almost full I 
copy the important files to External Hard Drives which are also 
formatted as XFS.

My problem comes after reading a couple of posts from 2006 in some 
forums on the web. They said that XFS is very unsecure when a power 
failure happens and recommended EXT3 (EXT4 these days I guess). They 
said that after a power failure it's very common to see data loss 
(something that never happened to me in all my years using NTFS).

As far as I know XFS is much more secure than NTFS so I don't really 
understand this issue. I assume these people were talking about systems 
which need to be continously writing to the disk, but my knowledge about 
this is very limited.

Did I chose the correct FS for my drives?


Thank you very much for your time.

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