[PVE-User] I try hard but...

Gilberto Nunes gilberto.nunes32 at gmail.com
Thu Oct 29 17:39:46 CET 2015


Oh God!

I re-run last test with dd and the VM just die!!! So sad!!!!!!!! :(

2015-10-29 14:32 GMT-02:00 Gilberto Nunes <gilberto.nunes32 at gmail.com>:

> Inside the guest, with GlusterFS I get this:
>
> dd if=/dev/zero of=writetest bs=8k count=131072
>
> 131072+0 registros de entrada
> 131072+0 registros de saída
> 1073741824 bytes (1,1 GB) copiados, 0,858862 s, 1,3 GB/s
>
>
>
>
> 2015-10-29 13:57 GMT-02:00 Gilberto Nunes <gilberto.nunes32 at gmail.com>:
>
>> This one can easy be a new thread, but let say it anyway
>>
>> I run simple dd test like this:
>>
>> dd if=/dev/zero of=writetest bs=8k count=131072
>>
>>
>> In NFS
>>
>> 131072+0 registros de entrada
>> 131072+0 registros de saída
>> 1073741824 bytes (1,1 GB) copiados, 17,1806 s, 62,5 MB/s
>>
>> In GlusterFS
>>
>> 131072+0 records in
>> 131072+0 records out
>> 1073741824 bytes (1.1 GB) copied, 9.13338 s, 118 MB/s
>>
>> And with conv=fsync
>>
>> GlusterFS
>>
>> dd if=/dev/zero of=writetest bs=8k count=131072 conv=fsync
>> 131072+0 records in
>> 131072+0 records out
>> 1073741824 bytes (1.1 GB) copied, 11.0702 s, 97.0 MB/s
>>
>> NFS
>>
>>  dd if=/dev/zero of=writetest bs=8k count=131072 conv=fsync
>> 131072+0 registros de entrada
>> 131072+0 registros de saída
>> 1073741824 bytes (1,1 GB) copiados, 14,2901 s, 75,1 MB/s
>>
>> Both servers are PowerEdge R430 with SAS HD 7.2 K RPM, with 16 GB of
>> memory, linked with 1 GB direct cable...
>>
>> GlusterFS won?!?!
>>
>> I would like to hear some opnions...
>>
>> Thanks a lot
>>
>>
>> 2015-10-29 13:02 GMT-02:00 Gilberto Nunes <gilberto.nunes32 at gmail.com>:
>>
>>> It could be, but it could be also that with IDE or SATA the performance
>>> is not the same as well with Virtio, or am I wrong???
>>>
>>> 2015-10-29 12:14 GMT-02:00 Lindsay Mathieson <
>>> lindsay.mathieson at gmail.com>:
>>>
>>>>
>>>> On 29 October 2015 at 23:09, Gilberto Nunes <gilberto.nunes32 at gmail.com
>>>> > wrote:
>>>>
>>>>> Disk is virtio, alright!
>>>>> Because I need live migration and HA.
>>>>> With IDE/SATA there is no way to do that, AFAIK!
>>>>
>>>>
>>>> You can live migrate IDE/SATA
>>>>
>>>>
>>>> --
>>>> Lindsay
>>>>
>>>> _______________________________________________
>>>> pve-user mailing list
>>>> pve-user at pve.proxmox.com
>>>> http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user
>>>>
>>>>
>>>
>>>
>>> --
>>>
>>> Gilberto Ferreira
>>> +55 (47) 9676-7530
>>> Skype: gilberto.nunes36
>>>
>>>
>>
>>
>> --
>>
>> Gilberto Ferreira
>> +55 (47) 9676-7530
>> Skype: gilberto.nunes36
>>
>>
>
>
> --
>
> Gilberto Ferreira
> +55 (47) 9676-7530
> Skype: gilberto.nunes36
>
>


-- 

Gilberto Ferreira
+55 (47) 9676-7530
Skype: gilberto.nunes36
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