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Seeing IPEX from the Future 鈥?Part Two <a href="http://printing-in-china.net/box-printing.html">Box Printing</a> <a href="http://printing-in-china.net/office-supplies.html">Office Supplies</a> By Pat Taylor, Proactive Technologies I have no need for Backup, said the prepress manager. I have RAID, and RAID will not likely fail. April 12, 2005 -- RAIDs (Redundant Arrays of Inexpensive Disks) have existed ever since the mid-80s. The technology was given birth to in Berkeley like a reaction to computer scientists needing more storage than their budget allows the crooks to purchase, so they really invented RAID. Nowadays, virtually every print shop which has a couple hundred gigs of knowledge stores production files over a RAID. The technology is fault-tolerant, but it really isn't failure-proof. For example, RAIDs will occasionally fail if their sensors determine how the job you happen to be sweating over is Urgent & Important (possibly even this indicates). They fail for other varied and sundry reasons, but reason will never pacify a Plant Manager or President using a press expecting plates. Yes -- these are Redundant Arrays, however the 'Inexpensive Disks' part in the acronym is always to vague today. We must know the modern semantics of storage before we extend or replace our aging data storage systems. The technology is fault-tolerant, nevertheless it will not be failure-proof. Storage technology is maturing and, being a our government who is actually in secondary school, has left us far behind. In market which uses more gigabytes per person than every other, there's an absence of known about [data] storage technology. We may benefit by subtracting time to find out about technology because storage may be the foundation in our digital future, and we are able to save many dollars as we obtain only whatever we need and know how you can make use of it. Don't bother your our government for answers; even when he knows, he is merely gonna let you know the maximum amount of when he wants you to find out. Fault Tolerance In a business which uses more gigabytes per person than some other, there's inadequate known about [data] storage technology. RAID continues to be the cornerstone of fault-tolerant storage. The sorts of disk drive we use inside a RAID determine its speed, reliability, and value. Historically, SCSI (Small Computer Systems Interface) drives were put to use when building RAID because these were essentially the most reliable disk drive available. It was implied; in the event you got such a RAID, you're probably purchasing SCSI disk drives. Then Fibre Channel disk drive technology managed to get possible to construct RAIDs with increased speed and reliability than SCSI. Currently, the most important F/C (Fibre Channel) or SCSI disk drive carries a capacity of 300 gigabytes and price on the thousand dollars apiece. At the opposite end with the price/performance spectrum are low-cost, less reliable disk drive technologies; IDE (Integrated Drive Electronics) or ATA (Advanced Technology Attachment) drives have moved through the desktop in to the server room. More accurately, the evolution with this technology in to the SATA (Serial ATA) specification has allowed us to engineer a small-cost version of RAID. SATA RAIDs are second-cousins for the tougher F/C or SCSI RAIDs, but are finding their place in this digital ecosystem. What to Use When? When can you use SATA then when can you use SCSI? The correct fact is every one of the time; they complement one other. Use the high-dollar storage for WIP (Work In Progress) and rehearse the SATA RAIDs for archiving RIPed jobs, proofs, and original files about the Local Area Network. Another popular usage for SATA RAIDs is Disk-To-Disk (D2D) backup, which supplies for your immediate recovery of production data in the event the primary RAID (or File Server) should fail. The ideal configuration includes SCSI (or F/C) RAID for that main production system that has a larger SATA RAID running under a server. The SATA RAID (and server) could well be partitioned into two LUNs (Logical Unit Number); one serving as being the target for Disk-to-Disk Backups along with the other partition storing Archives. You can leverage old technology to fill new needs. And what to complete with the earlier tape library which is simply to slow for just a three-shift shop that has a terabyte of information? It is still equipped with life; you are able to 'backup' the [D2D copy of] production data and archives to tape and maintain tape off-site in the event a fire or flood destroys your building. With what you might have learned, you may leverage old technology to fill new needs. What ended up being to slow for backups is definitely good for Disaster Recovery. Semantically speaking, that is certainly. ,FREE: 500 Print and Publishing Executives Salute Time Warner鈥檚 Don Logan Upon His Receipt from the 2004 Prism Award from New York University
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发表于 2016-7-8 06:38:55
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