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[Xen-users] XEN - Using morer than 4 block-devices in a single dom-u


  • To: <xen-users@xxxxxxxxxxxxxxxxxxx>
  • From: "Guido Hecken" <guido.hecken@xxxxxxxxxxxxx>
  • Date: Sat, 27 Feb 2010 16:25:45 +0100
  • Delivery-date: Sat, 27 Feb 2010 07:27:08 -0800
  • List-id: Xen user discussion <xen-users.lists.xensource.com>
  • Thread-index: Acq3wSG6l6uJ5/DpStGoh3SvgdRYLw==
  • Thread-topic: XEN - Using morer than 4 block-devices in a single dom-u

Hi list,
 
what's the magic to use more than 4 block-devices in a single Dom-U.
I tried to use a total number of 6 block devices (xvda to xvdf).
 
Anyone with more success on this?
 
Here are some informations and logs:
 
Disk Config:
 
disk = [ 'phy:/dev/virt_vm_vg/w2k_sbs,xvda,w', 'phy:/dev/daten_vg/fll_daten_vl,xvdb,w', 'phy:/dev/virt_vm_vg/db_home,xvdc,w', 'phy:/dev/daten_vg/fll_archiv_vl,xvdd,w', 'phy:/dev/daten_vg/fll_software_vl,xvde,w', 'phy:/dev/daten_vg/fll_archiv2_vl,xvdf,w' ]
 
 
/var/log/xen/qemu-dm-my-vm.log
 
Using xvda for guest's hda
Using xvdb for guest's hdb
Using xvdc for guest's hdc
Using xvdd for guest's hdd
Using xvde for guest's hde
qemu: drive `xvde' out of range
Using xvdf for guest's hdf
qemu: drive `xvdf' out of range
 
Output of xm info:
 
host                    : my-xen-server.local
release                : 2.6.18.8-xen
version                : #1 SMP Tue May 12 09:26:54 CEST 2009
machine                : x86_64
nr_cpus                : 8
nr_nodes               : 1
cores_per_socket       : 4
threads_per_core       : 1
cpu_mhz                : 2333
hw_caps                : bfebfbff:20100800:00000000:00000140:040ce3bd:00000000:00000001:00000000
virt_caps              : hvm hvm_directio
total_memory           : 16382
free_memory            : 6530
node_to_cpu            : node0:0-7
node_to_memory         : node0:6530
xen_major              : 3
xen_minor              : 3
xen_extra              : .1
xen_caps               : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32 hvm-3.0-x86_32p hvm-3.0-x86_64
xen_scheduler          : credit
xen_pagesize           : 4096
platform_params        : virt_start=0xffff800000000000
xen_changeset          : unavailable
cc_compiler            : gcc-Version 4.1.2 20080704 (Red Hat 4.1.2-44)
cc_compile_by          : root
cc_compile_domain      : my-dom.local
cc_compile_date        : Tue May 12 09:46:18 CEST 2009
xend_config_format     : 4
 
Regards,
 
Guido.
 
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