Resolution:
Description:
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When attempting underployment/redeployment the following exception is seen:
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com.tibco.infra.repository.NotAllowedException: MdtDatabasePurgeProcessor cannot lock for update: There is not enough space in the file system. at com.tibco.repo.FileRepoServer.lockInstance(FileRepoServer.java:317) at
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Environment:
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TIBCO Administrator,TIBCO Runtime Agent
OS: UNIX
Resolution:
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The issue is caused by not enough space in the temp direcory. There are two ways to resolve this issue:

1). Clean up some space in the temp folder. On UNIX use df -k to check if the temp space is available.

2) Try the following steps:
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--in hawkagent_&ltdomain_name>.tra add the following parameter:
            java.property.java.io.tmpdir=&lttibco>/hakwagent_tmpdir
  --in tibcoadmin_&ltdomain_name>.tra add the following parameter:
            java.property.java.io.tmpdir=&lttibco>/admin_tmpdir
  -- in $(tra_home)/5.x/bin/AppManage.tra, add the following line:
            java.property.java.io.tmpdir=&lttibco>/app_tmpdir (if you are using Appmanage then add the parameter for appmanage).
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Make sure there is enough space for directories:
  --restart both Administrator and Hawk processes.

3). Check these temp folders for size regularly and make sure there's enough space for the temporary files.