[PVE-User] System extremely slow when creating a VM...

Fábio Rabelo fabio at fabiorabelo.wiki.br
Mon Feb 24 20:01:59 CET 2014


You can use a separate disk to store images, and plug a SATA3 card in
one of the PCIe slots to "talk"  with this separate disk .

Probably the most cost effective solution ....


Fábio Rabelo

2014-02-24 15:57 GMT-03:00 Gilberto Nunes <gilberto.nunes32 at gmail.com>:
> Yeah....
> Unfortunately, that is the gap....
> Thanks
>
>
> 2014-02-24 15:54 GMT-03:00.4166666666666572 Fábio Rabelo
> <fabio at fabiorabelo.wiki.br>:
>
>> This specs says the on-board SATA ports are SATA II ( 3 GB/s ) ...
>>
>> http://servers.findthebest.com/l/324/IBM-System-X-x3100-M4
>>
>> If it is correct, can be the source of your problem !
>>
>>
>> Fábio Rabelo
>>
>> 2014-02-24 15:49 GMT-03:00 Gilberto Nunes <gilberto.nunes32 at gmail.com>:
>> > Í'll try it
>> >
>> >
>> > 2014-02-24 15:40 GMT-03:00.4166666666666572 Fábio Rabelo
>> > <fabio at fabiorabelo.wiki.br>:
>> >
>> >> Just for test, try to create a VM with 8 GB of disk .
>> >>
>> >> Looks like your problem are disk bandwidth
>> >>
>> >>
>> >> Fábio Rabelo
>> >>
>> >> 2014-02-24 15:35 GMT-03:00 Gilberto Nunes <gilberto.nunes32 at gmail.com>:
>> >> > cat /proc/cpuinfo | grep model
>> >> > model           : 58
>> >> > model name      : Intel(R) Xeon(R) CPU E3-1220 V2 @ 3.10GHz
>> >> > model           : 58
>> >> > model name      : Intel(R) Xeon(R) CPU E3-1220 V2 @ 3.10GHz
>> >> > model           : 58
>> >> > model name      : Intel(R) Xeon(R) CPU E3-1220 V2 @ 3.10GHz
>> >> > model           : 58
>> >> > model name      : Intel(R) Xeon(R) CPU E3-1220 V2 @ 3.10GHz
>> >> >
>> >> >
>> >> > And yes... VT is enabled on UEFI...
>> >> >
>> >> >
>> >> > 2014-02-24 15:31 GMT-03:00.4166666666666572 Fábio Rabelo
>> >> > <fabio at fabiorabelo.wiki.br>:
>> >> >
>> >> >> Exactly what are the processor of this system ?
>> >> >>
>> >> >> cat  /proc/cpuinfo  | grep model
>> >> >>
>> >> >> vt-d are enabled in UEFI ?
>> >> >>
>> >> >>
>> >> >> Fábio Rabelo
>> >> >>
>> >> >> 2014-02-24 15:17 GMT-03:00 Gilberto Nunes
>> >> >> <gilberto.nunes32 at gmail.com>:
>> >> >> > Here:
>> >> >> >
>> >> >> > pve01:/var/lib/vz/images# pveperf
>> >> >> > CPU BOGOMIPS:      24745.52
>> >> >> > REGEX/SECOND:      1428672
>> >> >> > HD SIZE:           27.92 GB (/dev/mapper/ddf1_HI2)
>> >> >> > BUFFERED READS:    129.24 MB/sec
>> >> >> > AVERAGE SEEK TIME: 14.59 ms
>> >> >> > FSYNCS/SECOND:     35.04
>> >> >> > DNS EXT:           1395.71 ms
>> >> >> >
>> >> >> > pve01:/var/lib/vz/images# pveversion
>> >> >> > pve-manager/3.1-21/93bf03d4 (running kernel: 2.6.32-26-pve)
>> >> >> >
>> >> >> >
>> >> >> >
>> >> >> > 2014-02-24 15:12 GMT-03:00.4166666666666572 Diaolin
>> >> >> > <diaolin at diaolin.com>:
>> >> >> >
>> >> >> >> Il 2014-02-24 19:10 Gilberto Nunes ha scritto:
>> >> >> >>
>> >> >> >>> Hi friends
>> >> >> >>>
>> >> >> >>> I install Proxmox VE 3.1 on IBM System x3100 M4 on top of Debian
>> >> >> >>> Wheeze.
>> >> >> >>> System boot normal... I can access PVE web page and manage same
>> >> >> >>> parts
>> >> >> >>> of the system...
>> >> >> >>>
>> >> >> >>>  But when I try create a VM, the system going down extremely
>> >> >> >>> slow...
>> >> >> >>> I can do nothing... Even a ps ax command takes minutes to run...
>> >> >> >>>
>> >> >> >>> I notice this command running on shell
>> >> >> >>>
>> >> >> >>> /usr/bin/qemu-img create -o preallocation=metadata -f qcow2
>> >> >> >>> /var/lib/vz/images/100/vm-100-disk-1.qcow2 83886080K
>> >> >> >>>
>> >> >> >>> The vm creation takes almost 15 minutes...
>> >> >> >>>
>> >> >> >>> I think this so odd...
>> >> >> >>>
>> >> >> >>> Someone get the same behavior?
>> >> >> >>
>> >> >> >>
>> >> >> >>
>> >> >> >> No but, if you launch
>> >> >> >> pveperf
>> >> >> >>
>> >> >> >> what is the result?
>> >> >> >>
>> >> >> >> And pveversion?
>> >> >> >>
>> >> >> >> Diaolin
>> >> >> >>
>> >> >> >>
>> >> >> >>
>> >> >> >>
>> >> >> >>
>> >> >> >> ---
>> >> >> >> S’à destacà l’ultima föia dal bósch nét
>> >> >> >> crodàda l’ei, solàgna, ‘n mèzz ai sàssi
>> >> >> >> e ‘ntant fis-ciava ‘n zìfol de oseleti
>> >> >> >> a tegnìr vìo ‘l pensér che vèn matìna
>> >> >> >> [Diaolin]
>> >> >> >> _______________________________________________
>> >> >> >> pve-user mailing list
>> >> >> >> pve-user at pve.proxmox.com
>> >> >> >> http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user
>> >> >> >
>> >> >> >
>> >> >> >
>> >> >> >
>> >> >> > --
>> >> >> > Gilberto Ferreira
>> >> >> >
>> >> >> > _______________________________________________
>> >> >> > pve-user mailing list
>> >> >> > pve-user at pve.proxmox.com
>> >> >> > http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user
>> >> >> >
>> >> >
>> >> >
>> >> >
>> >> >
>> >> > --
>> >> > Gilberto Ferreira
>> >
>> >
>> >
>> >
>> > --
>> > Gilberto Ferreira
>
>
>
>
> --
> Gilberto Ferreira



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