Wei,
Is there a way to drain an xrootd server without bringing it offline? (stopping xrootd/cmsd on a production server is not an option unfortunately)
-Nate
On Jan 9, 2012, at 3:04 AM, Yang, Wei wrote:
> Here is another way to do this, on the "faulty" data sever (obviously, it can't be complete faulty, otherwise you can't login and do anything)
>
> stop xrootd/cmsd
> find storage_root_path -type f | while read file; do
> dstfile=`remove local_root from $file`
> xrdcp $file root://your_redirector/$dstfile
> done
>
> you can speed up the process by making a more sophisticated script using xprep, etc.
>
> regards,
> Wei Yang | [log in to unmask] | 650-926-3338(O)
>
>
>
>
> On Jan 9, 2012, at 12:41 AM, Andrew Hanushevsky wrote:
>
>> Hi Doug,
>>
>> The short answer is no. On the positive side, we will submit an ASCR
>> proposal to allow that.
>>
>> Andy
>>
>> P.S. The current model is that missing files from a faulty data server
>> would be automatically copied in on other servers when so requested. That
>> is a reasonable model is you assume that te ailure rate is relatively
>> small.
>>
>> On Sat, 7 Jan 2012, Doug Benjamin wrote:
>>
>>> Hello,
>>>
>>> Are there any xrootd commands to drain a faulty data server of files
>>> and distribute them across the
>>> rest of the data servers in the storage system.
>>>
>>> Thanks,
>>>
>>> Doug Benjamin
>>>
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