On Wed, 14 Jan 2009 20:58:53 +0100, Xav' <x...@linuxant.fr> wrote:
> Hi everyone !
> 
>   I've setted up a Xen server with kernel 2.6.18-r12 with 2 SATAII disks
> of 750Go and with the following partitions scheme :
> dom0 ~ # sfdisk -l
> 
> Disk /dev/sda: 91201 cylinders, 255 heads, 63 sectors/track
> Units = cylinders of 8225280 bytes, blocks of 1024 bytes, counting from 0
> 
>    Device Boot Start     End   #cyls    #blocks   Id  System
> /dev/sda1   *      0+     64      65-    522081   fd  Linux raid
autodetect
> /dev/sda2         65     586     522    4192965   fd  Linux raid
autodetect
> /dev/sda3        587     847     261    2096482+  82  Linux swap /
Solaris
> /dev/sda4        848   91200   90353  725760472+  fd  Linux raid
autodetect
> 
> Disk /dev/sdb: 91201 cylinders, 255 heads, 63 sectors/track
> Units = cylinders of 8225280 bytes, blocks of 1024 bytes, counting from 0
> 
>    Device Boot Start     End   #cyls    #blocks   Id  System
> /dev/sdb1          0+     64      65-    522081   fd  Linux raid
autodetect
> /dev/sdb2         65     586     522    4192965   fd  Linux raid
autodetect
> /dev/sdb3        587     847     261    2096482+  82  Linux swap /
Solaris
> /dev/sdb4        848   91200   90353  725760472+  fd  Linux raid
autodetect
> 
> dom0 ~ # cat /proc/mdstat
> Personalities : [raid0] [raid1]
> md1 : active raid1 sdb1[1] sda1[0]
>       521984 blocks [2/2] [UU]
> 
> md2 : active raid0 sdb2[1] sda2[0]
>       8385792 blocks 64k chunks
> 
> md3 : active raid0 sdb4[1] sda4[0]
>       1451520768 blocks 64k chunks
> 
> dom0 ~ # pvdisplay
> File descriptor 3 left open
>   --- Physical volume ---
>   PV Name               /dev/md3
>   VG Name               vg
>   PV Size               1,35 TB / not usable 768,00 KB
>   Allocatable           yes
>   PE Size (KByte)       4096
>   Total PE              354375
>   Free PE               271815
>   Allocated PE          82560
>   PV UUID               tJg59C-SN1z-SkYX-Qs5H-1TXV-ynNd-HhGTOZ
> 
> unused devices: <none>
> 
> 
> I've created some guests using LVM logiccal volumes on /dev/md3 and
> formatted with XFS filesystem. Sometimes, i've this messages in dmesg on
> dom0 :
> raid0_make_request bug: can't convert block across chunks or bigger than
> 64k
> 
> After that bugs, there is many Input/Output errors in the guest, and so
> broke his gentoo installation so make me impossible to read the guest
> system logs. Any help would be greatly appreciated as this server
> actually host my primary DNS server and so i can't reinstall it from
> scratch.
> 
> Many thanks in advance.

No one can help me ? I've already seeked on google for this problem, but
this bug seemes to exists from 2003 and for kernel 2.4 or earlier 2.6.0 ...
So any idea please ??

> Xavier
> 
-- 
Xavier

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