The Practice of System and Network Administration Second Edition phần 2 doc

... vendor and the release of the compatible new version from the second vendor. Also, relations between the two vendors may break down, and they may stop providing the interface between the two ... both products and rely on the interface between them. ❖ The Protocol versus the Product SAs need to understand the differ- ence between the protocol and the product...

Ngày tải lên: 14/08/2014, 14:20

... 661 27 .2 The Icing 6 62 27 .2. 1 Home Office 6 62 27 .2. 2 Cost Analysis and Reduction 663 27 .2. 3 New Technologies 664 27 .3 Conclusion 665 28 Software Depot Service 667 28 .1 The Basics 669 28 .1.1 Understand ... Icing 25 2 9 .2. 1 A Dynamic Documentation Repository 25 2 9 .2. 2 A Content-Management System 25 3 9 .2. 3 A Culture of Respect 25 3 9 .2. 4 Taxonomy and...

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... connects all the IDFs. There should always be plenty of spare cabling between the MDF and the IDFs, as new connections 20 2 Chapter 7 Networks the construction cost of ripping up walls. If the jacks ... simplicity on the physical layer. You can build a very simple and therefore stable—flat physical network and then construct overlay networks on top of the solid bas...

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... let them make the decision without having to understand the technology, and they were able to break the tie where the SAs disagreed. By the time the hardware was ready, the grid was complete. The ... availability of and access to the manufacturing control systems was of the utmost importance. A large networking hardware and software company, the crown jewels we...

Ngày tải lên: 14/08/2014, 14:20

... when the cost model showed the systems to cost about the same per gigabyte of usable storage, the dedicated file servers had an advantage over the old systems: consistency and support. The old systems ... mishmash of various manufacturers for the host; for the RAID controllers; and for the disk drives, cables, network interfaces, and, in some cases, even the rac...

Ngày tải lên: 14/08/2014, 14:20

... whether the change should go ahead regardless of ‘ the weather’’ or wait until there is ‘‘good weather’’: the operating status of the service. In other words, some changes are approved on the ... sure that the change goes smoothly and takes the minimum amount of time? 17 .2 The Icing 429 It also makes other people aware of changes that are being made so that they ca...

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... 1.04 19 4.00 0. 52 0. 52 1.08 1.08 1.08 20 4.00 0.56 0.56 1. 12 1. 12 1. 12 21 4.00 0.60 0.60 1.16 1.16 1.16 42- day total 168 42 36.96 39 .2 41.16 47.04 Worst case 100% 25 % 22 % 23 % 25 % 28 % Best case ... pretty labels for the tape covers. However, the system failed to reduce the thinking aspect of the job. The software did a grand job of issuing the righ...

Ngày tải lên: 14/08/2014, 14:21

... of the pros and cons of outsourcing in different situations. More discussion of the topic is in Section 21 .2. 2. 30 .2 The Icing The icing of system administration organization is the ability to ... the processing, leaving the CPU less loaded and better able to do the remaining work of moving the data off the disk, through the card, and onto the...

Ngày tải lên: 14/08/2014, 14:21

... isolated, unimportant, and not part of the team. The longer people stay with the group and the less turnover there is, the more they will feel part of the team and the more likely they are to stick with ... servers, printers, other people’s PCs, and the like. This has the same effect as if someone walked up to another person’s PC when no one was around and pull...

Ngày tải lên: 14/08/2014, 14:21

... control policy, 22 9 23 0 Accidental file deletion, 621 – 623 Account names, 22 3 Accountability and shared accounts, 29 0, 29 2 Accounting policy, 568–569 Accounts, longevity policy, 23 0 23 1 Acquisitions ... Management for System Administrators. O’Reilly. Limoncelli, T. A., and C. Hogan. 20 01. The Practice of System and Network Administration. Addison-Wesley. 91...

Ngày tải lên: 14/08/2014, 14:21