January 2004
Intermediate to advanced
432 pages
11h 1m
English
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LVM: The Kernel View
In Figure 11-6 we see an overview of the LVM pseudodriver organization within the kernel. As mentioned earlier, an application thread requests a file open by referencing a file system pathname. The virtual file system resolves this to a specific vnode within the kernel file system table. The vnode contains the device number of the file system on which the file is located. The device number for LVM-based file systems directs all I/O requests to the LVM pseudodriver via the kernel's device switch table. Once an I/O request is received by the driver, the driver must pass it through several layers.
Strategy Layer: This layer receives the initial request for a block I/O transaction to a specific file system block. The kernel facilitates ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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