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  • Article (Print) (13)
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100%
Managing virtual infrastructures with oVirt 3.1
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Kheng Ho Toh, 123RF.com
-Component Glue The new oVirt version 3.1 [3] is available on the oVirt project homepage. The package contains the JBoss application server 7.0 as the foundation for the oVirt engine, the KVM hypervisor, an SDK ... Version 3.1 of the oVirt management platform for virtual infrastructures has recently become available. On Fedora 17, the new release is easy to install and deploy. ... oVirt 3.1 ... Managing virtual infrastructures with oVirt 3.1
40%
Comparing 5 to 50TB NAS storage boxes
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Franck Boston, fotolia.com
a fixed-length data block where single-bit errors can be corrected. RAID 3 has also largely disappeared from the market today. The RAID 3 approach involves striping, but with additional protection
36%
A Btrfs field test and workshop
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Adrian Hillman, 123RF.com
at an alternate position, builds its own metadata, and references the data blocks on the ext3/4 filesystem. At the end of the process, you have a snapshot of the original data. New metadata and data are written
34%
The RADOS object store and Ceph filesystem: Part 2
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Kateryna Pruchkovska, 123RF.com
pool set data size 3 To make the same change for the test pool, data would be replaced by test. Whether the cluster subsequently actually does what the admin expects can be investigated with ceph -v
33%
Time flies, but it can still be measured
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
.019s The process listing took about 3/100 of a second to execute in the real world and was allocated 5/1,000 of a second of CPU time in kernel mode (i.e., executing system calls) and about 2
32%
Reading and understanding database execution plans
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Gunnar Pippel, 123RF.com
the explain plan for command in combination with the DBMS_XPLAN.DISPLAY function call (see Example 1). Example 1: Oracle Execution Plan 01 SQL> explain plan for<+>1<+> 02 2> SELECT * 03 3> FROM sales
32%
Creating RAID systems with Raider
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
©Slawomir Kruz, 123RF.com
work to a whole series of individual scripts. Calling raider --help displays the available parameters. The raider -d command provides an overview of the built-in hard drives and partitions
31%
Advanced security in Windows Firewall
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Andrius Repsys, 123RF.com
rules 3. Authenticated work-around rules 4. Block rules 5. Allow rules 6. Default rules The Windows Firewall follows an approach that is different from other firewalls that process rules
31%
How Kanban helps improve IT processes
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© NYUL, 123RF.com
: What is my next job, and when can I start working on it? The answer usually comes from outside the team, which dampens job satisfaction and prevents the Ops team from utilizing its resources optimally
30%
Introduction to OpenMP programming
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Frank Rohde, 123RF.com
.99983047509922507E-005 Parallelizing the other two loop blocks shaved about 0.7 seconds from the total time (about another 3.8 percent) when I ran with four threads. Given the small amount of work required

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