{"action":"opened","issue":{"url":"https://api.github.com/repos/GENI-NSF/geni-tools/issues/646","labels_url":"https://api.github.com/repos/GENI-NSF/geni-tools/issues/646/labels{/name}","comments_url":"https://api.github.com/repos/GENI-NSF/geni-tools/issues/646/comments","events_url":"https://api.github.com/repos/GENI-NSF/geni-tools/issues/646/events","html_url":"https://github.com/GENI-NSF/geni-tools/issues/646","id":77845586,"number":646,"title":"Omni can't download agg_nick_cache if filesystems are different","user":{"login":"ahelsing","id":12136824,"avatar_url":"https://avatars.githubusercontent.com/u/12136824?v=3","gravatar_id":"","url":"https://api.github.com/users/ahelsing","html_url":"https://github.com/ahelsing","followers_url":"https://api.github.com/users/ahelsing/followers","following_url":"https://api.github.com/users/ahelsing/following{/other_user}","gists_url":"https://api.github.com/users/ahelsing/gists{/gist_id}","starred_url":"https://api.github.com/users/ahelsing/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/ahelsing/subscriptions","organizations_url":"https://api.github.com/users/ahelsing/orgs","repos_url":"https://api.github.com/users/ahelsing/repos","events_url":"https://api.github.com/users/ahelsing/events{/privacy}","received_events_url":"https://api.github.com/users/ahelsing/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":{"login":"ahelsing","id":12136824,"avatar_url":"https://avatars.githubusercontent.com/u/12136824?v=3","gravatar_id":"","url":"https://api.github.com/users/ahelsing","html_url":"https://github.com/ahelsing","followers_url":"https://api.github.com/users/ahelsing/followers","following_url":"https://api.github.com/users/ahelsing/following{/other_user}","gists_url":"https://api.github.com/users/ahelsing/gists{/gist_id}","starred_url":"https://api.github.com/users/ahelsing/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/ahelsing/subscriptions","organizations_url":"https://api.github.com/users/ahelsing/orgs","repos_url":"https://api.github.com/users/ahelsing/repos","events_url":"https://api.github.com/users/ahelsing/events{/privacy}","received_events_url":"https://api.github.com/users/ahelsing/received_events","type":"User","site_admin":false},"milestone":{"url":"https://api.github.com/repos/GENI-NSF/geni-tools/milestones/28","html_url":"https://github.com/GENI-NSF/geni-tools/milestones/2.7","labels_url":"https://api.github.com/repos/GENI-NSF/geni-tools/milestones/28/labels","id":1116449,"number":28,"title":"2.7","description":null,"creator":{"login":"ahelsing","id":12136824,"avatar_url":"https://avatars.githubusercontent.com/u/12136824?v=3","gravatar_id":"","url":"https://api.github.com/users/ahelsing","html_url":"https://github.com/ahelsing","followers_url":"https://api.github.com/users/ahelsing/followers","following_url":"https://api.github.com/users/ahelsing/following{/other_user}","gists_url":"https://api.github.com/users/ahelsing/gists{/gist_id}","starred_url":"https://api.github.com/users/ahelsing/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/ahelsing/subscriptions","organizations_url":"https://api.github.com/users/ahelsing/orgs","repos_url":"https://api.github.com/users/ahelsing/repos","events_url":"https://api.github.com/users/ahelsing/events{/privacy}","received_events_url":"https://api.github.com/users/ahelsing/received_events","type":"User","site_admin":false},"open_issues":1,"closed_issues":7,"state":"open","created_at":"2015-05-18T20:04:56Z","updated_at":"2015-05-18T23:18:39Z","due_on":null,"closed_at":null},"comments":0,"created_at":"2015-05-18T23:18:39Z","updated_at":"2015-05-18T23:18:39Z","closed_at":null,"body":"Running omni for the first time (without a nickname cache file present) produced the following error:\r\n```\r\n$ omni -a gpo-ig getversion --debug\r\n12:46:07 INFO    : Attempted to download latest `agg_nick_cache` from 'http://trac.gpolab.bbn.com/gcf/raw-attachment/wiki/Omni/agg_nick_cache' but could not.\r\n12:46:07 DEBUG   : [Errno 18] Invalid cross-device link\r\nFailed to read any possible agg_nick_cache file.\r\n```\r\nPer Tom's discussion, the likely reason is that the temporary download location (`/tmp`?) is on a different partition than my user's home directory:\r\n```\r\n$ df /tmp\r\nFilesystem     1K-blocks    Used Available Use% Mounted on\r\n/dev/sda1      198036724 4014160 183939852   3% /\r\n$ df /home/bujcich\r\nFilesystem             1K-blocks    Used Available Use% Mounted on\r\n/home/bujcich/.Private 198036724 4014160 183939852   3% /home/bujcich\r\n```\r\nPerhaps omni should continue further rather than exit if it can't get the aggregate nicknames?\n\n _Imported from trac ticket [#646](http://trac.gpolab.bbn.com/gcf/ticket/646),  created by bujcich on 06-16-2014 at 13:24, last modified: 06-16-2014 at 13:51_\n"}}