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On 08/04/12 19:44, meino.cramer@×××.de wrote: |
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> Mick<michaelkintzios@×××××.com> [12-04-08 18:40]: |
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>> On Sunday 08 Apr 2012 16:56:23 David W Noon wrote: |
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>>> On Sun, 8 Apr 2012 17:26:03 +0200, meino.cramer@×××.de wrote about |
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>>> |
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>>> [gentoo-user] Extended file attributes: ext4: |
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>>>> is it possible to go from an ext4-filesystem with no extended file |
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>>>> attributes to one with extended file attributes without reformatting |
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>>>> the disk or other very risky low level things just by adding this |
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>>>> feature to the kenrel (?) ? |
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>>> |
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>>> Yes, it's simple. |
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>>> |
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>>> You need to ensure that your kernel configuration has the extended |
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>>> attribute support (ACL is a good idea too) and you have booted with the |
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>>> ext4 driver so configured. |
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>>> |
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>>> You then add the xattr option in /etc/fstab for the filesystem(s) where |
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>>> you want extended attribute support. If you do that before you reboot |
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>>> (as above) then you will have full extended attribute support. |
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>> |
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>> I thought that you are meant to pass such options on the CLI at the time you |
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>> are formatting the partition ... is this incorrect? |
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>> |
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>> Of course if you must format the drive with such options then the data won't |
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>> survive. |
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> |
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> Status quo: System with ext4 and no extended attributes. |
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> Where I want to be: The same system with extended attributes. |
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> |
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> Way to go: No reformatting and mkfs and all that things. Only kernel |
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> reconfiguring / recompiling / rebooting and emerging some tools. |
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> |
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> Possible? |
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|
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Yes. David already explained how. Extended attributes can be enabled |
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and disabled at any time. |
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|
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For even more information, Google it. |
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