[arch-general] mkinitcpio/fsck.btrfs

[Arno Gaboury]

On 16/01/13||11:22, Tom Gundersen wrote:
> Hi Arno,
> 
> On Tue, Jan 15, 2013 at 12:34 PM, Arno Gaboury <arnaud.gaboury at gmail.com> 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.