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clarifications on inode64 mount option

To: <xfs@xxxxxxxxxxx>
Subject: clarifications on inode64 mount option
From: <Ivan.Novick@xxxxxxx>
Date: Sun, 21 Nov 2010 19:12:38 -0500
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Cc: <Timothy.Heath@xxxxxxx>
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Thread-topic: clarifications on inode64 mount option
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Hi all,

My understanding from the documentation is that inode64 allows inode numbers to 
be 64 bits in size rather than the default of 32.

Is this correct?  Will the option work fine on 32 bit X86 builds?

The documentation also says:
"This is provided for backwards compatibility, but causes problems for backup 
applications that cannot handle large inode numbers."
Is this a current issue?  Any examples of backup applications that have trouble 
reading a file system that uses this option?

Cheers,
Ivan Novick

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