Differenze
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| Entrambe le parti precedenti la revisione Revisione precedente Prossima revisione | Revisione precedente | ||
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vlsi:workbook:computing:cluster [30/07/2013 21:04] 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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| Please, don't fotget to read carefully VLSI policies about machine | Please, don't fotget to read carefully VLSI policies about machine | ||
| - | __[[vlsi:computing_troubleshooting#shutdowns_and_reboots|Shutdowns and reboots]]__. | + | __[[vlsi:workbook:computing:troubleshooting#shutdowns_and_reboots|Shutdowns and reboots]]__. |
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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~~ | ||