Flako
2011-Jun-29 18:30 UTC
[Xen-users] poor performance of hard disk in Windows DomU with Xen 4.0
Hello
I have a PC/Server with 2 Intel E6220 with 16GB ram, running Debian GNU /
Linux 6.0 with kernel 2.6.32-5-xen-amd64.
Adaptec controller has an ASR-2405 and am using the last module aacraid.ko
(version 1.1-7 [28000]-ms)
I have a significant drop in disk access performance when virtualizing
Windows 2003 32Bit (Xen 4.0) and not if a topic module Xen aacraid.ko or
incompatible with the module definition or bad domU
I agracere any suggestions of where else to look.
Below I detail my confuracion
/-- In the controller, I have 4 drives (2 RAID 1)
subsystem: Adaptec ASR-2405
scsi0 : aacraid
scsi 0:0:0:0: Direct-Access Adaptec R1sata V1.0 PQ: 0 ANSI: 2
scsi 0:0:1:0: Direct-Access Adaptec R1sas V1.0 PQ: 0 ANSI: 2
scsi 0:1:0:0: Direct-Access WDC WD5000AAKS-0 01.0 PQ: 1 ANSI: 5
scsi 0:1:1:0: Direct-Access WDC WD5000AAKS-0 01.0 PQ: 1 ANSI: 5
scsi 0:1:2:0: Direct-Access SEAGATE ST3300657SS 0006 PQ: 1 ANSI: 5
scsi 0:1:3:0: Direct-Access SEAGATE ST3300657SS 0006 PQ: 1 ANSI: 5
\-- In the controller, I have 4 drives (2 RAID 1)
/--- The loaded modules are:
lsmod | grep ata
ata_generic 3239 0
ata_piix 21124 0
libata 133744 2 ata_generic,ata_piix
scsi_mod 126501 5 sg,sr_mod,sd_mod,libata,aacraid
\--- The loaded modules are:
The performance of rad 1 (with two SAS drives) with "hdparm-tT / dev /
sdb"
is:
/dev/sdb:
Timing cached reads: 15192 MB in 1.99 seconds = 7636.45 MB/sec
Timing buffered disk reads: 434 MB in 3.01 seconds = 144.02 MB/sec
In this link you can see the performnce the SAS disk partition, with the
parameter phy.
http://img96.imageshack.us/img96/7485/discosaswindowsdomu1.jpg
In this link you can see that achieves performnce windows 2003 32bit host (
native) of the same disk partition SAS
http://img838.imageshack.us/img838/7610/discosaswindowshost.jpg
The xm dmesg is in the link
http://www.fileupyours.com/view/309484/xm_dmesg.txt
/---------The domU.cfg is:
kernel = ''/usr/lib/xen-default/boot/hvmloader''
device_model = ''/usr/lib64/xen/bin/qemu-dm''
builder = ''hvm''
maxmen = ''9216''
memory = ''9216''
shadow_memory = 87
acpi = 1
apic = 1
pae = 1
vcpus =16
videoram = 16
disk = [
''phy:/dev/gv_db/vl2,ioemu:hda,w''
,''phy:/dev/gv_db/vl1,ioemu:hdb,w''
,''file:/mnt/domains/atreuco/disco3.img,ioemu:hdc,w''
,''phy:/dev/sdb2,ioemu:hdd,w''
]
boot=''c''
e1000=1
vif = [''type=ioemu, bridge=eth0'' ]
usb =1
usbdevice = ''host:0925:01003''
\---------The domU.cfg is:
Thank you for reaching this far down ...
Sorry for English, this is google:)
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Zary Matej
2011-Jun-30 12:50 UTC
RE: [Xen-users] poor performance of hard disk in Windows DomU with Xen 4.0
>________________________________________ >From: xen-users-bounces@lists.xensource.com [xen-users-bounces@lists.xensource.com] On Behalf Of Flako [subforos@gmail.com] >Sent: 29 June 2011 20:30 >To: xen-users@lists.xensource.com >Subject: [Xen-users] poor performance of hard disk in Windows DomU with Xen 4.0 > >Hello >I have a PC/Server with 2 Intel E6220 with 16GB ram, running Debian GNU / Linux 6.0 with kernel 2.6.32-5-xen-amd64. >Adaptec controller has an ASR-2405 and am using the last module aacraid.ko (version 1.1-7 [28000]-ms) > >I have a significant drop in disk access performance when virtualizing Windows 2003 32Bit (Xen 4.0) and not if a topic module Xen aacraid.ko or incompatible with the module definition or bad domU > >I agracere any suggestions of where else to look. >Below I detail my confuracion > > >/-- In the controller, I have 4 drives (2 RAID 1) >subsystem: Adaptec ASR-2405 >scsi0 : aacraid >scsi 0:0:0:0: Direct-Access Adaptec R1sata V1.0 PQ: 0 ANSI: 2 >scsi 0:0:1:0: Direct-Access Adaptec R1sas V1.0 PQ: 0 ANSI: 2 >scsi 0:1:0:0: Direct-Access WDC WD5000AAKS-0 01.0 PQ: 1 ANSI: 5 >scsi 0:1:1:0: Direct-Access WDC WD5000AAKS-0 01.0 PQ: 1 ANSI: 5 >scsi 0:1:2:0: Direct-Access SEAGATE ST3300657SS 0006 PQ: 1 ANSI: 5 >scsi 0:1:3:0: Direct-Access SEAGATE ST3300657SS 0006 PQ: 1 ANSI: 5 >\-- In the controller, I have 4 drives (2 RAID 1) > >/--- The loaded modules are: >lsmod | grep ata >ata_generic 3239 0 >ata_piix 21124 0 >libata 133744 2 ata_generic,ata_piix >scsi_mod 126501 5 sg,sr_mod,sd_mod,libata,aacraid >\--- The loaded modules are: > > >The performance of rad 1 (with two SAS drives) with "hdparm-tT / dev / sdb" is: >/dev/sdb: >Timing cached reads: 15192 MB in 1.99 seconds = 7636.45 MB/sec >Timing buffered disk reads: 434 MB in 3.01 seconds = 144.02 MB/sec > >In this link you can see the performnce the SAS disk partition, with the parameter phy. >http://img96.imageshack.us/img96/7485/discosaswindowsdomu1.jpg > >In this link you can see that achieves performnce windows 2003 32bit host (native) of the same disk partition SAS >http://img838.imageshack.us/img838/7610/discosaswindowshost.jpg > >The xm dmesg is in the link >http://www.fileupyours.com/view/309484/xm_dmesg.txt > >/---------The domU.cfg is: >kernel = ''/usr/lib/xen-default/boot/hvmloader'' >device_model = ''/usr/lib64/xen/bin/qemu-dm'' >builder = ''hvm'' >maxmen = ''9216'' >memory = ''9216'' >shadow_memory = 87 >acpi = 1 >apic = 1 >pae = 1 >vcpus =16 >videoram = 16 > >disk = [ > ''phy:/dev/gv_db/vl2,ioemu:hda,w'' > ,''phy:/dev/gv_db/vl1,ioemu:hdb,w'' > ,''file:/mnt/domains/atreuco/disco3.img,ioemu:hdc,w'' > ,''phy:/dev/sdb2,ioemu:hdd,w'' >] >boot=''c'' >e1000=1 >vif = [''type=ioemu, bridge=eth0'' ] >usb =1 >usbdevice = ''host:0925:01003'' >\---------The domU.cfg is: > >Thank you for reaching this far down ... >Sorry for English, this is google:) >You should use PV drivers to improve the IO performance (otherwise the fully emulated IO hampers the performance). For example look here: http://wherethebitsroam.com/content/gplpv _______________________________________________ Xen-users mailing list Xen-users@lists.xensource.com http://lists.xensource.com/xen-users
Flako
2011-Jun-30 17:08 UTC
Re: [Xen-users] poor performance of hard disk in Windows DomU with Xen 4.0
2011/6/30 Zary Matej <matej.zary@cvtisr.sk>> >________________________________________ > >From: xen-users-bounces@lists.xensource.com [ > xen-users-bounces@lists.xensource.com] On Behalf Of Flako [ > subforos@gmail.com] > >Sent: 29 June 2011 20:30 > >To: xen-users@lists.xensource.com > >Subject: [Xen-users] poor performance of hard disk in Windows DomU with > Xen 4.0 > > > >Hello > >I have a PC/Server with 2 Intel E6220 with 16GB ram, running Debian GNU / > Linux 6.0 with kernel 2.6.32-5-xen-amd64. > >Adaptec controller has an ASR-2405 and am using the last module aacraid.ko > (version 1.1-7 [28000]-ms) > > > >I have a significant drop in disk access performance when virtualizing > Windows 2003 32Bit (Xen 4.0) and not if a topic module Xen aacraid.ko or > incompatible with the module definition or bad domU > > > >I agracere any suggestions of where else to look. > >Below I detail my confuracion > > > > > >/-- In the controller, I have 4 drives (2 RAID 1) > >subsystem: Adaptec ASR-2405 > >scsi0 : aacraid > >scsi 0:0:0:0: Direct-Access Adaptec R1sata V1.0 PQ: 0 ANSI: > 2 > >scsi 0:0:1:0: Direct-Access Adaptec R1sas V1.0 PQ: 0 ANSI: > 2 > >scsi 0:1:0:0: Direct-Access WDC WD5000AAKS-0 01.0 PQ: 1 ANSI: > 5 > >scsi 0:1:1:0: Direct-Access WDC WD5000AAKS-0 01.0 PQ: 1 ANSI: > 5 > >scsi 0:1:2:0: Direct-Access SEAGATE ST3300657SS 0006 PQ: 1 ANSI: > 5 > >scsi 0:1:3:0: Direct-Access SEAGATE ST3300657SS 0006 PQ: 1 ANSI: > 5 > >\-- In the controller, I have 4 drives (2 RAID 1) > > > >/--- The loaded modules are: > >lsmod | grep ata > >ata_generic 3239 0 > >ata_piix 21124 0 > >libata 133744 2 ata_generic,ata_piix > >scsi_mod 126501 5 sg,sr_mod,sd_mod,libata,aacraid > >\--- The loaded modules are: > > > > > >The performance of rad 1 (with two SAS drives) with "hdparm-tT / dev / > sdb" is: > >/dev/sdb: > >Timing cached reads: 15192 MB in 1.99 seconds = 7636.45 MB/sec > >Timing buffered disk reads: 434 MB in 3.01 seconds = 144.02 MB/sec > > > >In this link you can see the performnce the SAS disk partition, with the > parameter phy. > >http://img96.imageshack.us/img96/7485/discosaswindowsdomu1.jpg > > > >In this link you can see that achieves performnce windows 2003 32bit host > (native) of the same disk partition SAS > >http://img838.imageshack.us/img838/7610/discosaswindowshost.jpg > > > >The xm dmesg is in the link > >http://www.fileupyours.com/view/309484/xm_dmesg.txt > > > >/---------The domU.cfg is: > >kernel = ''/usr/lib/xen-default/boot/hvmloader'' > >device_model = ''/usr/lib64/xen/bin/qemu-dm'' > >builder = ''hvm'' > >maxmen = ''9216'' > >memory = ''9216'' > >shadow_memory = 87 > >acpi = 1 > >apic = 1 > >pae = 1 > >vcpus =16 > >videoram = 16 > > > >disk = [ > > ''phy:/dev/gv_db/vl2,ioemu:hda,w'' > > ,''phy:/dev/gv_db/vl1,ioemu:hdb,w'' > > ,''file:/mnt/domains/atreuco/disco3.img,ioemu:hdc,w'' > > ,''phy:/dev/sdb2,ioemu:hdd,w'' > >] > >boot=''c'' > >e1000=1 > >vif = [''type=ioemu, bridge=eth0'' ] > >usb =1 > >usbdevice = ''host:0925:01003'' > >\---------The domU.cfg is: > > > >Thank you for reaching this far down ... > >Sorry for English, this is google:) > > > > You should use PV drivers to improve the IO performance (otherwise the > fully emulated IO hampers the performance). > > For example look here: http://wherethebitsroam.com/content/gplpvHello Zary XenWindowsGplPv are installed (DriverVer = 10/11/2010, 0.11.0.238). The proprietary drivers are better? This link will look good http://www.fileupyours.com/view/309484/atreuco_devicemanager.jpg Although I have not echo is reinstalled, mmm .. Thanks you made me remember the obvious:) I do and tell them. Flako _______________________________________________ Xen-users mailing list Xen-users@lists.xensource.com http://lists.xensource.com/xen-users