Differenze
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Entrambe le parti precedenti la revisione Revisione precedente Prossima revisione | Revisione precedente | ||
vlsi:workbook:computing:cluster [21/08/2013 19:32] pacher |
vlsi:workbook:computing:cluster [28/10/2013 11:57] (versione attuale) pacher |
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Further information and guidelins you need to know about working with VLSI computing resources | Further information and guidelins you need to know about working with VLSI computing resources | ||
- | can be found in __[[vlsi:computing_troubleshooting|Troubleshooting]]__ as well as in __ | + | can be found in __[[vlsi:workbook:computing:troubleshooting|Troubleshooting]]__ as well as in __ |
- | [[vlsi:computing_howtos|HowTo's]]__ and __[[vlsi:computing_faqs|FAQs]]__ pages. | + | [[vlsi:workbook:computing:howtos|HowTo's]]__ and __[[vlsi:workbook:computing:faqs|FAQs]]__ pages. |
===== Supported operating systems ===== | ===== Supported operating systems ===== | ||
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Be aware that IP addresses are private, hence VLSI machines are visible only from within | Be aware that IP addresses are private, hence VLSI machines are visible only from within | ||
INFN and university computing networks. The remote access from outside the INFN domain requires | INFN and university computing networks. The remote access from outside the INFN domain requires | ||
- | that you have obtained an __[[vlsi:computing_accounts#infn_unix_account|INFN UNIX account]]__ and | + | that you have obtained an __[[vlsi:workbook:computing:accounts#infn_unix_account|INFN UNIX account]]__ and |
- | is discussed in __[[computing_remote|Accessing computing resources remotely]]__. | + | is discussed in __[[vlsi:workbook:computing:remote|Accessing computing resources remotely]]__. |
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to be exported by NFS and which machines have access to that file system or directory. | to be exported by NFS and which machines have access to that file system or directory. | ||
- | You can inspect the content of the ''/etc/exports'' file of your machine with | ||
- | |||
- | <code> | ||
- | cat /etc/exports | ||
- | </code> | ||
- | |||
- | \\ | ||
VLSI machines are mounted under a main shared directory ''/export''. EDA softwares, technologies, | VLSI machines are mounted under a main shared directory ''/export''. EDA softwares, technologies, | ||
- | licenses and configuration files involved in the design activity are physically installed under | + | licenses and configuration files involved in the design activity are physically installed under ''/usr'' |
- | ''/export/elt59xl/disk0'', being **elt59xl.to.infn.it** the server machine in the cluster. | + | on the **elt59xl.to.infn.it** server machine in the cluster and can be accessed through the mount point |
+ | ''/export/elt59xl/disk0'' on each client machine. | ||
Always check out that the server machine is reacheable using the ''ping'' command: | Always check out that the server machine is reacheable using the ''ping'' command: | ||
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\\ | \\ | ||
- | In particular, look at the symbolic links (soft links) placed in the ''/usr'' directory. | + | In particular, look at the symbolic links (soft links) placed in the local ''/usr'' directory. |
- | These links point to ''/export/elt59xl/disk0'' sub directories | + | These links point to ''/usr'' remote directories on the server machine which have been mounted under |
- | (e.g. ''/usr/cadence'' -> ''/export/elt59xl/disk0/cds''), allowing to access the | + | ''/export/elt59xl/disk0'' (e.g. ''/usr/cadence'' -> ''/export/elt59xl/disk0/cds''), allowing to remotely |
- | software resources installed on the server machine. | + | access software resources installed on the server machine through NFS. |
Each VLSI machine hosts different accounts. Users' home directories are created | Each VLSI machine hosts different accounts. Users' home directories are created | ||
- | in ''/users/<username>''. Most important, home directories are exported by NFS as | + | in ''/users/<username>''. Also home directories are exported using NFS, mounted under |
- | ''/export/eltxxxx/disk0/users/<username>'' and shared between the other VLSI machines | + | ''/export/eltXXX/disk0/users/<username>'' and shared between the other VLSI machines |
through symbolik links, | through symbolik links, | ||
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\\ | \\ | ||
This is a very useful setup that allows to quickly share files among VLSI users. | This is a very useful setup that allows to quickly share files among VLSI users. | ||
+ | |||
+ | |||
+ | For more details about the NFS cluster configuration please refer | ||
+ | to the __[[vlsi:private:computing:cluster|VLSI protected area]]__. | ||
===== Printing ===== | ===== Printing ===== | ||
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---- | ---- | ||
- | Last update: [[ pacher@NOSPAMto.infn.it | Luca Pacher ]] - May 1, 2013 | + | Last update: [[pacher@NOSPAMto.infn.it|Luca Pacher]] - Oct 28, 2013 |
~~NOTOC~~ | ~~NOTOC~~ |