Correct me if I'm wrong, be t the kernel version is only a factor if you are using the krbd driver, correct (mapping an rbd with the kernel driver).
If you were using Ceph-fuse, librbd, etc then the version of the kernel on the client wouldn't matter.
Sent from my iPhone
> On Dec 31, 2016, at 3:23 AM, Wido den Hollander <wido@xxxxxxxx> wrote:
>
>
>> Op 31 december 2016 om 6:56 schreef Manuel Sopena Ballesteros <manuel.sb@xxxxxxxxxxxxx>:
>>
>>
>> Hi,
>>
>> I have several questions regarding kernel running on client machines:
>>
>>
>> * Why is kernel 3.10 considered an old kernel to run ceph clients?
>>
>
> Development in the Ceph world goes fast and 3.10 is a old kernel in that case. If you check the release notes for the Linux kernel you will see that there are a lot of changes.
>
>> * Which features are missing?
>>
>
> A lot, probably to much to sum up here.
>
>> * What would be the impact of running clients on centos7.3 (kernel 3.10) compared to using a higher/recommended version?
>>
>
> Not able to access data, crashes on the client, performance issues. All kinds of things.
>
> Just don't use the 3.10 kernel, try using a more recent kernel.
>
> Wido
>
>> Thank you very much
>>
>> Manuel
>>
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>>
Sent from my iPhone
> On Dec 31, 2016, at 3:23 AM, Wido den Hollander <wido@xxxxxxxx> wrote:
>
>
>> Op 31 december 2016 om 6:56 schreef Manuel Sopena Ballesteros <manuel.sb@xxxxxxxxxxxxx>:
>>
>>
>> Hi,
>>
>> I have several questions regarding kernel running on client machines:
>>
>>
>> * Why is kernel 3.10 considered an old kernel to run ceph clients?
>>
>
> Development in the Ceph world goes fast and 3.10 is a old kernel in that case. If you check the release notes for the Linux kernel you will see that there are a lot of changes.
>
>> * Which features are missing?
>>
>
> A lot, probably to much to sum up here.
>
>> * What would be the impact of running clients on centos7.3 (kernel 3.10) compared to using a higher/recommended version?
>>
>
> Not able to access data, crashes on the client, performance issues. All kinds of things.
>
> Just don't use the 3.10 kernel, try using a more recent kernel.
>
> Wido
>
>> Thank you very much
>>
>> Manuel
>>
>> NOTICE
>> Please consider the environment before printing this email. This message and any attachments are intended for the addressee named and may contain legally privileged/confidential/copyright information. If you are not the intended recipient, you should not read, use, disclose, copy or distribute this communication. If you have received this message in error please notify us at once by return email and then delete both messages. We accept no liability for the distribution of viruses or similar in electronic communications. This notice should not be removed.
>>
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