RE: XFS and root shell

[Seth Mos <knuffie@xxxxxxxxx>]

At 22:33 19-12-2000 -0600, Lord, Steve wrote:
> If my memory serves me correctly, xfs_repair etc were all in
> in the root filesystem on Irix.

They are installed in /usr/bin under linux

from linux-2.4-xfs/cmd/xfs/configure

# Defaults:
ac_help=
ac_default_prefix=/usr/local
# Any additions from configure.in:
ac_default_prefix=/usr

./configure --help

Directory and file names:
  --prefix=PREFIX         install architecture-independent files in PREFIX
                          [/usr]

So does this need to be changed? Two ac_default_prefix is overdone anyways ;-)

> If XFS fails to run log recovery at mount time then it is in a
> pretty sorry state. There is a mount option not to run recovery,
> which will give you a readonly filesystem for the really desperate,
> it is quite possible that it will shut itself down if corrupted
> metadata is detected during access in this case (and the shutdown
> code in linux was not working too well).

I noticed that yes, but in this case there was an old xfs_log on disk fro a 
test-5 kernel and if you then hit the reset button the newer test-11 can 
not mount the older style xfs_log.

So this was not a case of a sorry state ;-)
I did have the luck that /usr was mounted so I could use xfs_repair to fix 
the xfs_log on disk (it seems to know about both types of xfs_log)

This is because my home machine has xfs* commands in /usr/bin
At work they live in /bin these days

> If the mount system call is not returning an error code for a
> failed XFS mount that sounds like a bug.

Yep, no errors to be seen anywhere.
I just didn't had /home/seth anymore !! (/home was not mounted during boot)

> Also, ask Martin Peterson at LinuxCare about an xfs aware
> version of the LinuxCare rescue disk, that would be a useful
> thing to have.

The root fs is ext2 so I always have access to the xfs* commands in general.
A redhat bootdisk with XFS kernel onboard is then probably enough to fix 
the system using the ext2 root fs.


> Steve

<snip>

Bye

--
Seth
Has anybody seen my lightbulb?
I _really_ need some light here.