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On Sun, Apr 8, 2012 at 2:21 PM, Canek Peláez Valdés <caneko@×××××.com> wrote: |
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> On Sun, Apr 8, 2012 at 11:44 AM, <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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>>> Regards, |
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>>> Mick |
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>> |
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>> |
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>> Hi, |
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>> |
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>> thank you very much for all the input. |
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>> |
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>> To clearify things a little: |
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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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> As others had said, this is possible. I used this guide: |
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> |
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> http://www.debian-administration.org/articles/643 |
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> |
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> You need basically to enable the ext4-only features: |
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> |
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> tune2fs -O extents,uninit_bg,dir_index <partition> |
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|
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Um, why? Ext3 had extended attribute support, and ISTR the ext4 code |
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being able to handle ext3 filesystems. |
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|
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-- |
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:wq |
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