December 2013
Intermediate to advanced
1872 pages
153h 31m
English
book
Microsoft® SQL Server 2012 Unleashed
by Ray Rankins, Paul T. Bertucci, Chris Gallelli, Alex T. Silverstein
Content preview from Microsoft® SQL Server 2012 UnleashedBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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RAID Level 5
RAID 5 is most commonly known as striping with parity. In this configuration, data is striped across multiple disks in large blocks. At the same time, parity bits are written across all the disks for a given block. Information is always stored in such a way that any one disk can be lost without any information in the array being lost. In the event of a disk failure, the system can still continue to run (at a reduced performance level) without downtime by using the parity information to reconstruct the data lost on the missing drive.
Some arrays provide “hot-standby” disks. The RAID controller uses the standby disk to rebuild a failed drive automatically, using the parity information stored on all the other drives in the array. During ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.