Download Building Storage Networks (Second Edition) by Marc Farley PDF
By Marc Farley
Construction garage Networks is a really entire reference into garage. This publication covers all of it. for those who be aware of not anything approximately garage, by the point you get throughout the 590 pages you've a whole wisdom of storage.The Blueprint part is slightly complicated, specially when you are no longer garage savvy. i've been development garage platforms for a number of years now and needed to learn the blueprints numerous occasions to completely comprehend them. they can were performed better.Overall the e-book is sweet reference fabric, however it used to be now not what i used to be waiting for. To me, it sounds as if the writer began with solid intentions, yet couldn't make a decision what additional details could/should be passed over. He can have simply summarized a few themes. there are many books on RAID, SCSI, and so forth that the writer must have simply referenced on the finish of every bankruptcy. this may have reduce the dimensions of booklet down significantly.
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Extra resources for Building Storage Networks (Second Edition)
37 38 Building Storage Networks They are implemented either as adapter cards that fit into host I/O bus slots or as part of the chip set integrated on the system board. In either case, a physical connector is provided that bus/network cables connect to. In the diagrams throughout this book, host I/O controllers are represented by right triangles and NICs are represented by pentagons between the host I/O bus and the networks they connect to, like this: Host I/O controllers and NICs share the host I/O bus with each other as well as with other processors, such as video cards.
To understand just how difficult open systems product testing is, consider the perspective of an open systems disk subsystem manufacturer. Its products have to connect to many different I/O (input/output) adapter cards and to a wide variety of system processors running a variety of operating systems, possibly under the control of several database systems. Table 1-1 shows a sample compatibility list that would be the basis for a very large test matrix for an open systems disk subsystem. Chapter 1: Getting a Handle on Storage Networking I/O Adapters Processor Systems Operating Systems Database Systems Adaptec HP Netservers Windows NT SQL Server Q Logic IBM PC servers Windows NT Server Oracle LSI Logic Dell servers Novell NetWare Informix Interphase Compaq servers SCO Unix Sybase Troika Sun servers Linux DB/2 Emulex HP 9000 server FreeBSD JNI IBM RS/6000 servers Solaris SGI servers HP-UX Compaq Alpha servers AIX Irix Tru64 Unix Table 1-1.
This means the overall performance of the network is more predictable and scales better. Figure 1-7. Storage networks facilitate the sharing of storage and data 23 Building Storage Networks In addition, the configuration of host adapters and devices on a storage network can be changed with minimal impact on production servers. That is not to say that such changes should be made without careful planning, but it is certainly far better than having to power down servers to attach new storage devices.