By IBM Redbooks, Rowell Hernandez
"IP garage Networking makes use of latest Ethernet infrastructure as a spine for connecting garage units. through the use of this community, the infrastructure funding should be leveraged to supply a fair larger ROI. the place production of a devoted garage community is fascinating, using generic IP ""fabric"" signifies that present aid talents and assets might be leveraged, offering cheaper price of possession. IP garage Networking units simplify install and administration through offering a whole suite of pre-loaded software program. they're without problems able to filling the necessity attributable to the removal of common goal servers with direct hooked up garage.
This IBM Redbook is meant for IBMers, enterprise companions, and clients who're tasked to aid pick out a garage community. This publication may also help you recognize the various garage networking applied sciences in the market. It discusses the situations below that you will need to use SAN, NAS, or iSCSI, exhibiting the place all of those applied sciences supplement one another.
We introduce different garage networking applied sciences, speak about intimately how community hooked up garage and iSCSI paintings, and express how they vary from SAN. a number of NAS and iSCSI items from IBM are lined, with their administration instruments, together with on-disk facts defense and knowledge archiving. We additionally recommend a few pattern NAS and iSCSI applications."
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Sample text
2 Network appliances Later developments use application specific, specialized thin server configurations with customized operating systems (OS). These OS usually comprise a stripped down UNIX kernel, reduced Linux OS, or a specialized Windows 2000 kernel, as with the IBM Network Attached Storage appliances described in this book. In these reduced operating systems, many of the server operating system functions are not supported. It is likely that many lines of operating system code have been removed.
Lack of reach: To extend access to the SAN requires installation of a Fibre Channel connect for each client. This configuration increases the total cost of ownership. The Network Attached Storage 300G helps reduce this cost by providing a direct connection to the SAN for IP clients. 6 Data and SAN management It is evident that the emergence of open, heterogeneous SAN architectures brings added complexity to the tasks of storage administrators. Comprehensive management tools are required to enable them effectively to control and coordinate all aspects of data and storage resource utilization.
That means that NFS has no knowledge of the location of data on a storage device. 1, “Network File System (NFS)” on page 93. Common Internet File System (CIFS) CIFS (commonly pronounced “siffs”) is a file level protocol developed by Microsoft. It provides Windows operating environments with device independent accessing and sharing of data across the network. CIFS, like NFS, reads and writes data to and from files, with no knowledge of the location of the data on the storage device. 2, “Common Internet File System (CIFS)” on page 95.