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31 lines
1.0 KiB
31 lines
1.0 KiB
================================== |
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Network Block Device (TCP version) |
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================================== |
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1) Overview |
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----------- |
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What is it: With this compiled in the kernel (or as a module), Linux |
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can use a remote server as one of its block devices. So every time |
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the client computer wants to read, e.g., /dev/nb0, it sends a |
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request over TCP to the server, which will reply with the data read. |
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This can be used for stations with low disk space (or even diskless) |
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to borrow disk space from another computer. |
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Unlike NFS, it is possible to put any filesystem on it, etc. |
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For more information, or to download the nbd-client and nbd-server |
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tools, go to http://nbd.sf.net/. |
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The nbd kernel module need only be installed on the client |
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system, as the nbd-server is completely in userspace. In fact, |
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the nbd-server has been successfully ported to other operating |
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systems, including Windows. |
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A) NBD parameters |
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----------------- |
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max_part |
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Number of partitions per device (default: 0). |
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nbds_max |
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Number of block devices that should be initialized (default: 16).
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