Re: mkinitcpio/fsck.btrfs

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2013/1/16 Arno Gaboury <arnaud.gaboury@xxxxxxxxx>

> On 16/01/13||11:22, Tom Gundersen wrote:
> > Hi Arno,
> >
> > On Tue, Jan 15, 2013 at 12:34 PM, Arno Gaboury <arnaud.gaboury@xxxxxxxxx>
> wrote:
> > > HOOKS="base udev autodetect block lvm2 filesystems fsck usr usbinput
> > > shutdown modconf"
> > >
> > > When # mkinitcpio, I get this error:
> > >   -> Running build hook: [fsck]
> > > ==> ERROR: file not found: `fsck.btrfs'
> > > ==> WARNING: No fsck helpers found. fsck will not be run on boot.
> > >
> > > The initramfs-linux.img is still correct, but I was wondering why this
> > > error.
> >
> > As you correctly observe, there is no fsck.btrfs binary.
> >
> > > When reading the /usr/lib/initcpio/install/fsck script, it seems to me
> > > fsck will add the filesystem name and run
> > > /usr/bin/fsck.filesystemame.This will of course translate to
> fsck.btrfs,
> > > which does not exist. /usr/bin/btrfsck is the correct binary.
> >
> > This is not a mistake; the btrfsck binary is not meant to be run
> > automatically at boot as the other fsck.* helpers, it is only meant to
> > be used manually to fix problems. btrfs is designed not to need
> > fsck'ing at boot, but does integrity checking at run-time instead.
> >
> > > According to /usr/lib/initcpio/install/btrfs script, the btrfs hook is
> > > not needed when using udev.
> > >
> > > How can I solve this issue? Shall I add the btrfs hook?
> >
> > You could add the btrfs hook, but it would not make a difference for
> > the automatic fsck. What it would give you is the ability to fsck
> > btrfs manually from the initramfs in case of problems (i.e., in case
> > root can not be mounted at all).
> >
> > HTH,
> >
> > Tom
>
> Tom,
>
> thank you for your clean answer.
> I will then let this "error", as I understand it is more a "Warning"
> with no negative impact.
>
> Regards.
>


If you want to stop getting that error/warning, you can create fsck.btrfs
as a symlink to /bin/true (I think).

Regards
-- 
Leonardo Dagnino


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