[Gluster-users] Hardlink misbehaviour

[Vijay Bellur]

On 07/14/2013 04:54 PM, Allan Latham wrote:
> Hi all
>
> I'm running some initial sanity and performance checks on this:
>
> root at h06 /root # glusterd -V
> glusterfs 3.4.0beta4 built on Jul 10 2013 15:14:50
>
> I want to hard link a file, delete the original and rename the hard
> linked file back to its original name
>
> Here it is on an ext4 filesystem:
>
> root at h06 /root/mnt/h06 # ls -i installimage.debug*
> 26 installimage.debug
> root at h06 /root/mnt/h06 # ln installimage.debug installimage.debug.hardlink
> root at h06 /root/mnt/h06 # ls -i installimage.debug*
> 26 installimage.debug  26 installimage.debug.hardlink
> root at h06 /root/mnt/h06 # rm installimage.debug
> rm: remove regular file `installimage.debug'? y
> root at h06 /root/mnt/h06 # ls -i installimage.debug*
> 26 installimage.debug.hardlink
> root at h06 /root/mnt/h06 # mv installimage.debug.hardlink installimage.debug
> root at h06 /root/mnt/h06 # ls -i installimage.debug*
> 26 installimage.debug
>
>
> Here it is on gluster:
>
> root at h06 /gluster/mnt/20 # ls -i installimage.debug*
> 9397531713154926553 installimage.debug
>
> root at h65 /gluster/mnt/20 # ls -i installimage.debug*
> 9397531713154926553 installimage.debug
>
> root at h06 /gluster/mnt/20 # ln installimage.debug installimage.debug.hardlink
> root at h06 /gluster/mnt/20 # ls -i installimage.debug*
> 9397531713154926553 installimage.debug
> 9397531713154926553 installimage.debug.hardlink
>
> root at h65 /gluster/mnt/20 # ls -i installimage.debug*
> 9397531713154926553 installimage.debug
> 9397531713154926553 installimage.debug.hardlink
> root at h65 /gluster/mnt/20 # rm installimage.debug
> rm: remove regular file `installimage.debug'? y
> root at h65 /gluster/mnt/20 # ls -i installimage.debug*
> 9397531713154926553 installimage.debug.hardlink
>
> root at h06 /gluster/mnt/20 # ls -i installimage.debug*
> 9397531713154926553 installimage.debug.hardlink
> root at h06 /gluster/mnt/20 # mv installimage.debug.hardlink installimage.debug
> mv: `installimage.debug.hardlink' and `installimage.debug' are the same file
> root at h06 /gluster/mnt/20 # ls -i installimage.debug*
> 9397531713154926553 installimage.debug.hardlink
>
> At this point something is clearly wrong. The file installimage.debug
> does not exist and the mv should have succeeded.
>
> root at h65 /gluster/mnt/20 # ls -i installimage.debug*
> 9397531713154926553 installimage.debug.hardlink
> root at h65 /gluster/mnt/20 # mv installimage.debug.hardlink installimage.debug
> mv: cannot move `installimage.debug.hardlink' to `installimage.debug':
> Software caused connection abort
> root at h65 /gluster/mnt/20 # ls -i installimage.debug*
> ls: cannot access installimage.debug*: Transport endpoint is not connected
>

This certainly looks unusual. Can you please provide the log file from 
the glusterfs client? Also, providing the output of "gluster volume 
info" would be helpful.

I tried to reproduce the problem in my setup but could not hit it with 
beta4.

Thanks,
Vijay