[Xen-users] xfs problems with xen3.1 on domu

[John McMonagle <johnm@xxxxxxxxxxx>]

Have amd64 xen 3.1 installed on debian etch.

Have all the domu file systems in lvm.

Problem 1

If I have a xfs files system when I mount it on domu I get this error:
Filesystem "sda5": Disabling barriers, not supported by the underlying 
device
XFS mounting filesystem sda5
Ending clean XFS mount for filesystem: sda5

If I mount with nobarriers the message goes away.
If I mount under dom0 there is no error message.
Same if under 32 or 64 bit.

My guess is it's confused by the sda5 and expect some disk drive 
properties that do not exist.
I'm new to xfs. Possibly this is not important??

Problem 2

If I run a 32 bit domu with a 64 bit kernel quota does not work
root@nfondy:~# quota root
Segmentation fault
root@nfondy:~# xfs_quota
xfs_quota> df
XFS_IOC_FSGEOMETRY_V1: Invalid argument
XFS_IOC_FSGEOMETRY_V1: Invalid argument
XFS_IOC_FSGEOMETRY_V1: Invalid argument
XFS_IOC_FSGEOMETRY_V1: Invalid argument
XFS_IOC_FSGEOMETRY_V1: Invalid argument
XFS_IOC_FSGEOMETRY_V1: Invalid argument

If I load the 64 bit executables and needed libraries at least it 
appears to work properly:
root@nfondy:~# ./quota root
Disk quotas for user root (uid 0): none
root@nfondy:~# ./xfs_quota
xfs_quota> df
Filesystem           1K-blocks       Used  Available  Use% Pathname
/dev/sda2              1038336     120160     918176   12% /
/dev/sda2              1038336     120160     918176   12% /dev/.static/dev
/dev/sda3              3135488    1022968    2112520   33% /var
/dev/sda4              5232640    2004076    3228564   39% /usr
/dev/sda5              1038336      18056    1020280    2% /home
/dev/sda6              3135488        308    3135180    1% /tmp

To me looks more like a mixed environment problem?
In this case don't want to go 64 bit yet also need quota.
Can one run a 32 bit xen kernel under 64 bit dom0?
Any suggestions?

Thanks

John

--
John McMonagle
IT Manager
Advocap Inc.



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