fsck at boot, skip a disk ?
Mathew Snyder
msnyder at servervault.com
Sat Jun 24 07:54:27 UTC 2006
I believe the "1" referred to is another way of saying "single" which
will do what is being described.
Mathew Snyder
Systems Administrator
Network+
ServerVault TechOps
Mikkel L. Ellertson wrote:
> Ed Greshko wrote:
>> Marcel Janssen wrote:
>>> Hi,
>>>
>>> I just noticed something stupid of the Fedora boot.
>>>
>>> One of my data drives went defect and I removed it from my system.
>>> At boot, fsck stops and drops me a line (crtl-D, which will reboot) or I mount
>>> the filesystem read-only.
>>> Neither one is the correct option in my case. I basically want to mount the
>>> still correct disks in their normal mode, than edit my fstab and simply
>>> reboot.
>>> Is there a way to just skip the one disk that fails the fsck and simply
>>> continue without that disk ?
>>>
>>> Now I need the rescue disk to fix this issue, which I think is a bit too much
>>> to solve a simple issue like this.
>>>
>>> Perhaps I'm just not aware of other options. In case they exist I'd like to
>>> hear about them.
>>>
>>> If there are no options, I hope someone will create those.
>> The easy way to do this......
>>
>> 1. When the system is booting you have normally have a 5 second window
>> before grub starts loading. While it is counting down, hit return.
>>
>> 2. This brings you to a menu.
>>
>> 3. Type "a" to add to the kernel parameter.
>>
>> 4. Add a "1" (one) to the end of the line...don't forget the space first.
>>
>> 5. Hit return.
>>
>> This will boot the system with just the "/" file system mounted. You
>> can then use vi to edit your fstab.
>>
> Correct me if I am wrong, but I though that run level 1 still ran
> /etc/rc.d/rc.sysinit and one of the things rc.sysinit does is mount
> all file systems. The section that does this is:
>
> # Mount all other filesystems (except for NFS and /proc, which is
> already
> # mounted). Contrary to standard usage,
> # filesystems are NOT unmounted in single user mode.
> action $"Mounting local filesystems: " mount -a -t
> nonfs,nfs4,smbfs,ncpfs,cifs,gfs -O no_netdev
>
> Also note that the when the list of file system types after the -t
> option start with no, that it is a list of types to not mount. So
> between this list of file system types not to be mounted, and the -O
> no_netdev option, no file system that require network access should
> get mounted here.
>
> Mikkel
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