Hello, It seems the gluster hadoop plugin assumes all hadoop daemons/commands are run as root? I was having trouble getting the jobtracker to start because every time the fs is initialized a system call "mount -t glusterfs ..." is issued. Cloudera runs all daemons as the mapred user who is not allowed to run mount, so this is failing. I modified GlusterFileSystem.java (see attached diff) and set fs.glusterfs.automount to false in core-site.xml so this wouldn't happen. That fixed the initial issue of getting daemons to start.
My next issue is getting hadoop jobs to run. I get an error: File /mnt/glusterfs/user/james/.staging/job_201304081221_0013/job.xml does not exist. I believe this to be a permissions issue, I can access this file fine from my account, but the .staging directory is only accessible by the user who launches the job : drwx------ 8 james james 870 Apr 8 14:10 .staging If I change the permissions, they are changed back (by Cloudera's hadoop) when I launch a job: Permissions on staging directory glusterfs://node001:9000/user/james/.staging are incorrect: rwxrwxrwx. Fixing permissions to correct value rwx------ Any ideas of a work around would be greatly appreciated. Thanks, James
automount.diff
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