![]() data (some hosts only) This is the local disk, but not available on all machines. It is connected with Infiniband and you may get the best performance when using the login server or the compute nodes. It is also served by a dedicated machine (scratch1) and heavy load does not affect the home directories. It runs on a raid6 system, which means that a disk failure will not result in data loss. But, if the disk is full, we tell you to delete some files. home/work-itp (deprecated and replaced by /mnt/ceph) This directory is globally accessible and can be used by everyone for minor important data which are not worth to be backed up or simply to large for your home. All other files and directories will be delete without notice. If you want to use this space please create a subdirectory with you login name. The Ceph Cluster is connected with Infiniband and you may get the best performance when using the login server or the compute nodes. This means a disk or even a host failure will not result in a service interruption. It runs directly as cephfs on our CephCluster. This files are not deleted, but if the disk is full we tell you to delete some files. mnt/ceph This directory is globally accessible and can be used by everyone for minor important data, which is not worth to be backed up or simply to large for home. It is located on the local disk and should be used for temporary data. tmp This is the counterpart to your home. If you have problems with graphical logins or reading mails, first check your disk space. In change to earlier setups it has no soft limit which you can exceed for a few days. This file system has an individual limit which you can check with the command 'df'. It is mounted on every host to /home/YOUR_LOGIN. Your home directory This is your primary directory where all settings, your Mail and other important data is saved. There are different file systems with different lifetimes and redundancies which you can use to store your data. Therefor prefer this host for doing larger file I/O as it will be much faster. The storage servers and importand hosts (like the login server) are connected with infiniband.
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