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Add a list of available module parameters as attachment to the documentation. Signed-off-by: Markus Pargmann <mpa@pengutronix.de> Signed-off-by: Jens Axboe <axboe@fb.com>
32 lines
1.0 KiB
Plaintext
32 lines
1.0 KiB
Plaintext
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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