Pierre Labastie wrote:
> Le 07/04/2013 18:54, Bruce Dubbs a écrit :
>> Pierre Labastie wrote:
>>> Le 06/04/2013 18:42, Bruce Dubbs a écrit :
>>>> Pierre Labastie wrote:
>>>>
>>>>> sed -i -r 's|(a-z\\])\+|\1\\{3\\}|' testsuite/vmstat.test/vmstat.exp
>>>>> should be OK, even if it happens that a loop? is mounted and has more
>>>>> than ten reads.
>>>> Since we are looking for *partitions*, [s|h]d[a-z]\d should identify them.
>>> FYI, here is the answer of upstream about that:
>>> ---------
>>> Assuming that disk names follow the [hs]d[a-z][0-9] format is a faulty
>>> assumption.
>>>
>>> KVM disks are /dev/vd[a-z][0-9], Xen are /dev/xvd[a-z][0-9] for example.
>> So how to they propose to solve the sr0 problem.
> using [a-z]{3,}\d+ (with escapes for the shell).
>>
>>> ---------
>>> I am amazed about KVM disks, because I always got sda[0-9]+ when using
>>> qemu-kvm. Maybe they mean virtio disks.
>>> I have never used Xen...
>> BTW, I've used kvm and qemu and have never seen any partitions other
>> than [hs]d[a-z][0-9] either. I suppose it depends on the drivers used
>> in the kernel. Perhaps they are talking about bsd.
>>
>>
> I found a short post clarifying that :
> http://humblec.com/guest-disk-device-names-or-its-naming-schema-in-xen-and-kvm/
It looks like they all have d[a-z][0-9] in common. IIRC, they also look
for the read count to be [0-9][0-9]+.
-- Bruce
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