2009

Basic Information of Hard Disk Drive (Part I)

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Modern hard disks feature an area that contains information that the CPU on the HDD logic board uses to operate the drive. The area is called the “system area” (“SA”). This area contains for example the drive ‘microcode’ (a.k.a. firmware), HDD Configuration Tables, Defect sector tables, SMART information, Security info (drive passwords etc), Disk ID info and more.…

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New Seagate Replica PC Backup Appliance

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Seagate introduced a new backup appliance that completely eliminates the need to manually learn, manage, or dedicate any time to the backup process. The new Seagate® Replica™ backup appliance is a complete PC backup system, which automatically and continuously stores up-to-date copies of everything on a PC, including installed applications, operating system, e-mail, pictures, music, movies, Internet bookmarks and settings.…

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Storage Server Data Disasters – Common Scenarios (Part I)

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When a data loss occurs on something as valuable as a server, it is essential to the life of your business to get back up and running as soon as possible. Here is a sampling of specific types of disasters accompanied with actual engineering notes from recent Remote Data Recovery jobs: Causes of partition/volume/file system corruption disasters: •    Corrupted file system due to system crash •    File system damaged to automatic volume repair utilities •    File system corruption due partition/volume resizing utilities •    Corrupt volume management settings Case study Severe damage to partition/volume information to Windows 2000 workstation; had used 3rd party recovery software – didn’t work, reinstalled OS but was looking for 2nd partition/volume, found it and it was a 100% recovery.…

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Storage Server Data Disasters – Common Scenarios (Part II)

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Possible causes of hardware related disasters: •    Server hardware upgrades (storage controller firmware, BIOS, RAID firmware) •    Expanding storage array capacity by adding larger drives to controller •    Failed array controller •    Failed drive on storage array •    Multiple failed drives on storage array •    Storage array failure but drives are working •    Failed boot drive •    Migration to new storage array system Case study Netware volume server, Traditional NWFS, failing hard drive made volume inaccessible; Netware would not mount volume.…

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Computer Data Storage Tips

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Successful server recoveries: Preventing further damage when a server goes down Despite the industry improvements in backup systems or storage array systems, server failures are a common occurrence that can leave a business paralyzed. Whether the failure is hardware-related, software-related, the result of human error or due to a natural disaster, the number of data loss events is increasing as businesses rely on their corporate server structure and document storage volumes.…

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Hardware Life Cycle Management(Part I)

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Every IT professional can tell a horror story about an upgrade, roll-out, or migration gone awry. So many factors are involved; hardware, software, compatibility, timing, data, procedures, security protocols, and of course the well-meaning but imperfect human. Over 2008, IT departments and staff can look forward to a number of upgrade projects for their computer system infrastructure.…

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