Hi Attila,
I forgot about the external packages issue. I fundamentally is when will the ROOT migrate to version 4 of the
xrootd client libraries.
In ATLAS the sites providing xrootd access have been asked to move to v4.1
Doug
On 02/18/2015 09:29 AM, Attila Krasznahorkay wrote:
> Hi Doug,
>
> Not sure exactly what you mean with "moving" to the v4 client.
>
> I remember that ROOT had to be updated to work correctly against the v4 build. If some changes had to be made to make
> ROOT source compatible between v3 and v4, then I'm fairly sure that releases from these two series are not binary
> compatible with each other.
>
> Since we don't do the ROOT builds ourselves, but take then either from the ROOT webpage, or from the LCG RPMs, we use
> whichever XRootD version they compiled ROOT against. For LCG (and maybe even the ROOT builds put on root.cern.ch) this
> is still v3.
>
> Cheers,
> Attila
>
> -----------------------------------------------------
> Attila Krasznahorkay [log in to unmask]
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>
> On 18/02/15 16:13, Asoka De Silva wrote:
>> Attila says we cannot but I do not understand why. I’ll let him comment :-)
>>
>> regards,
>> Asoka
>>
>>> On Feb 18, 2015, at 7:11 AM, Doug Benjamin <[log in to unmask]> wrote:
>>>
>>> Hi,
>>>
>>> Why cann't we move to the v4 client?
>>>
>>> Doug
>>>
>>> On 02/18/2015 09:10 AM, Asoka De Silva wrote:
>>>> Hi,
>>>>
>>>> Can you please look at this thread
>>>>
>>>> https://its.cern.ch/jira/browse/ATLASG-3
>>>>
>>>> where LCG seems to have modified xrootd 3.3.6 or a bug fix. I was wondering if you can put these changes in a
>>>> release 3.3.7 so that future root versions will be able to use it ?
>>>>
>>>> Many thanks !
>>>>
>>>> regards,
>>>> Asoka
>>>>
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>>
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