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Hi Max,

Hmmm, sounds like your config file was changed somehow. Could you give me 
the config file before he update (tryto get it from a backup) and he one 
being used now.

Andy

On Wed, 9 Oct 2019, Fischer, Max (SCC) wrote:

> Hi all,
>
> we recently upgraded our XRootD (plus DFS) and it seems that recalling files from tape does not work as expected anymore. I?m now trying to figure out where we messed up.
>
> In specific, I am trying to understand how a redirector + 2 staging-server reacts when a client asks for an unstaged file.
> - I would assumes that if a client requests to open a file, 1) the redirector selects a staging-server which brings the file online, 2) the client gets stalled until the file is online, and 3) the client opens the file when it is online.
> - Instead, it seems [1] that 1) the redirector stalls the client and asks the staging-servers whether they have the file, 2) the staging-server check their *local* file system and do not find the file, 3) the redirector tells the client that the file does not exist.
>
> Do I have to add something to the configuration to go from the second to the first behaviour?
>
> Cheers,
> Max
>
> [1] grep ea32d722-0f0f-11e2-9717-5a23a10abeef /var/log/xrootd/manager/*
> /var/log/xrootd/manager/cmsd.log:191009 11:39:55 15331 SelDFS seeking /12/23095/ea32d722-0f0f-11e2-9717-5a23a10abeef
> /var/log/xrootd/manager/xrootd.log:191009 11:39:55 19484 jalien.41420:[log in to unmask] ofs_open: 0-600 fn=/12/23095/ea32d722-0f0f-11e2-9717-5a23a10abeef
> /var/log/xrootd/manager/xrootd.log:191009 11:39:55 15369 Decode f01-124-183-e delays jalien.41420:[log in to unmask] 1 /12/23095/ea32d722-0f0f-11e2-9717-5a23a10abeef
> /var/log/xrootd/manager/xrootd.log:191009 11:39:56 19484 jalien.41420:[log in to unmask] ofs_open: 0-600 fn=/12/23095/ea32d722-0f0f-11e2-9717-5a23a10abeef
> /var/log/xrootd/manager/xrootd.log:191009 11:39:56 15369 Decode f01-124-183-e gave jalien.41420:[log in to unmask] err -2 'Unable to access file; file does not exist.' /12/23095/ea32d722-0f0f-11e2-9717-5a23a10abeef
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