[CentOS-virt] KVM

On 08/02/16 02:20 PM, Gokan Atmaca wrote:
>> I'm guessing you're using standard 7,200rpm platter drives? You'll need
>> to share more information about your environment in order for us to
>> provide useful feedback. Usually though, the answer is 'caching' and/or
>> 'faster disks'.
> 
> Yes , 7.2k rpm disks. 2T mirror (soft). In fact, I had such a
> preference for slightly more capacity.

Those are slow and have poor seek latency. Slow-down of other servers
when one hits the disk hard has to be expected.

> Unfortunately very expensive SAS drives.  But this works only if the
> server in question occur.
> In this case, about 15 minutes. progress.

I don't understand what you are saying/asking, sorry.

> On Mon, Feb 8, 2016 at 9:13 PM, Digimer <lists at alteeve.ca> wrote:
>> On 08/02/16 02:12 PM, Gokan Atmaca wrote:
>>> Hello
>>>
>>> I use KVM. In a virtual machine "jbd2 dm-0" disk I / O is very
>>> increases. It consumes up to 99%. For this reason, slowing down the
>>> other virtual machine. What should I do to solve the problem. ?
>>>
>>> Thanks..
>>
>> I'm guessing you're using standard 7,200rpm platter drives? You'll need
>> to share more information about your environment in order for us to
>> provide useful feedback. Usually though, the answer is 'caching' and/or
>> 'faster disks'.
>>
>> --
>> Digimer
>> Papers and Projects: https://alteeve.ca/w/
>> What if the cure for cancer is trapped in the mind of a person without
>> access to education?
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> 


-- 
Digimer
Papers and Projects: https://alteeve.ca/w/
What if the cure for cancer is trapped in the mind of a person without
access to education?