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Summary of Contents for MicroNet SR42000X
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Page 1: Raid
MicroNet SR4 Owner’s Guide June 2007 www.MicroNet.com... -
Page 2: Fcc Compliance Statement
FCC Compliance Statement Federal Communications Commission Radio Frequency Interference Statement This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. -
Page 3: Warranty Information
Warranty Limitations of Warranty and Liability MicroNet Technology has tested the hardware described in this manual and reviewed its contents. In no event will MicroNet or its resellers be liable for direct, indirect, incidental, or consequential damage resulting from any defect in the hardware or manual, even if they have been advised of the possibility of such damages. -
Page 4: Welcome Note
Welcome From MicroNet Technology We are pleased that you have chosen the SR4. Our systems are designed for speed, reliability, compatibility, and performance. We think you will find the system easy to install, and a productive addition to your computer system. This manual presumes that you are familiar with standard computer operations;... -
Page 5: Table Of Contents
Table of Contents FCC Compliance Statement Warranty Information Welcome Note Table of Contents Chapter 1 -- Getting Started Features and Benefits System Requirements and Compatibility Unpacking the SR4 What’s Included Choosing a place for your SR4 Daily Use Tips General Use Precautions The SR4 Interface Components Chapter 2- Installation Connecting the SR4... -
Page 6: Chapter 1 - Getting Started
Chapter 1 - Getting Started Thank you for purchasing The MicroNet SR4 storage solution. With speed, high capacity, ease of use, and support for numerous applications, SR4 is the ideal solution for all of your data storage needs. Please take advantage of the information contained within this manual to ensure easy setup and configuration. -
Page 7: Unpacking The Sr4
Unpacking the SR4 Please unpack your SR4 in a static free environment, carefully making sure not to damage or discard any of the packing material. If the RAID subsystem appears damaged, or if any items of the contents listed below are missing or damaged, please contact your dealer or distributor immediately. -
Page 8: Daily Use Tips
Daily Use Tips • Read this User’s Guide carefully. Follow the correct procedure when setting up the device. • Additional application software may have been included with your drive. Please review the documentation included with this software for information on the operation and support of this software. The documentation can usually be found in an electronic format on the installation CD. • Always operate your drive on a steady, level surface. Do not move the unit while it’s turned on. • Plug your drive into a grounded electrical outlet. The use of “ground-defeating” adapters will cause damage not covered by your warranty. -
Page 9: The Sr4 Interface Components
The SR4 interface components The following figures illustrate the connector locations for the RAID subsystems. FRONT VIEW REAR VIEW SATARAID Owner’s Manual 1-Getting Started Disk 4 Disk 3 Disk Drives Disk 2 Disk 1 Host Status Light Power Light Disk Status and Activity Lights Drive Access Door Fan Exhaust Vents (DO NOT BLOCK!) External SATA port... -
Page 10: Chapter 2- Installation
Chapter 2 - Installation Connecting the SR4 requires an available power socket, and a host with an available PCI, PCI-X, or PCI Express slot. Your SR4 unit came with either a PCI-X eSATA RAID controller (PCI compatible) or a single lane PCI-Express eSATA RAID controller. Should you require a different or additional host bus adapter, contact your MicroNet Authorized Reseller for the best solution for your environment. - Page 11 2.3 Installing eSATA RAID host drivers The SR4 includes an eSATA RAID card. MicroNet provides drivers that support Windows 2000,2003,XP, and Vista, both 32bit and 64bit, along with Mac OS X 10.3.9 and newer. Drivers can be found on the included CD in the drivers directory, and the RAID utility is located in the Silicon Image RAID Utility directory.
- Page 12 Select “Search for a suitable driver for my device (recommended)” (Windows 2000) or “Install Software Automatically (Recommended)” (Window XP and 2003), then click Next. In the following window, check the “Search removable media” checkbox. If you do not have the driver CD, or downloaded drivers from MicroNet’s support site, check the “Include this location in the search” checkbox and navigate manually to the drivers location in order to install them.
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Page 13: Performing Basic Tasks
2.3.2 MacOS X Installation ATTENTION! You must have administrator privileges on your system to install the drivers. Please consult your network administrator for more information. The Mac drivers are located on the CD in the following locations: PCI-X Models: /Drivers/eSATA RAID-PCIX/Mac OS X/SATARAID5.MPKG PCI-Express Models: /Drivers/eSATA RAID-PCIE/MAC OS X/SiI3132_1.1.9u_Sil_Pkg.pkg ATTENTION: As of this printing, The PCI Express Mac drivers available for the Silicon Image Sil3132 host controller support direct disk connection only. -
Page 14: Chapter 3- Understanding Raid
2.4.4 Click the “+” button on the bottom of the RAID selection screen. Enter a name for the RAIDSet, volume format (MAC OS Extended is recommended) and select the desired RAID configuration- Mirrored, Striped, or Concatenated (see illustration right.) Click the “Create” button to complete the operation. 2.4.5 The RAIDset will now appear on the drive pane on the left of the screen, and will mount on your... - Page 15 Chapter 3 - Using Your SR4 3.1 Formatting your SR4 Formatting a hard drive erases all data contained on the drive. If you wish to reformat your SR4, be sure to create a copy of the files you wish to keep before reformatting. This step is not necessary for PCI-Express on Macintosh models.
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Page 16: Raid Set
3.1.2 Formatting the drive on Windows Hosts 1. Open the disk management console. A list of the attached drives and their respective volumes will appear. Each Volume set will appear as an individual disk in the management console. Upon the first time the SR4 is connected, a “Initialize and Convert Disk Wizard” should appear when the disk management console is run. You may use the Wizard to set up the volume, or follow the next steps for manual configuration. -
Page 17: Hot Spare Drives
3.2 Replacing Drives 1. Save all your work and turn off your computer and SR4 unit. 2. Disconnect eSATA and power cords. 3. Remove the 3 thumb screws on the back of the unit. 4. Gently pull the top cover about 1/2” and remove from enclosure. -
Page 18: Chapter 4- Troubleshooting
Backing up your data is best defined by the keeping duplicate copies of your files on a separate storage device. It is always a good idea to keep important data in at least two different places. We recommend that you obtain and use a quality backup software application if the basic program that come with your operating system is not robust enough for your particular purposes. - Page 19 Chapter 4 - Understanding RAID The SR4 controller subsystem is a high-performance SATA2 drive bus disk array. When attached to the MicroNet SATA host bus RAID controller, the RAID subsystem can provide non-stop service with a high degree of fault tolerance through the use of RAID technology and advanced array management features.
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Page 20: Appendix A- Getting Help
Pros: Fastest read/write performance of any of the Hybrid RAID levels High data reliability as all the data is redundant Cons: Requires double the raw data storage capacity SATARAID Owner’s Manual 4-Understanding RAID... -
Page 21: Appendix B- Raid Level Comparison Table
RAID 5 (Parity RAID) RAID 5 is sometimes called striping with parity at byte level. In RAID 5, the parity information is written to all of the drives in the subsystems rather than concentrated on a dedicated parity disk. If one drive in the system fails, the parity information can be used to reconstruct the data from that drive. -
Page 22: Appendix C- Glossary Of Raid Terms
4-Understanding RAID Hot Spare Drives A hot spare drive is an unused online available drive, which is ready for replacing a failed disk drive. In a RAID level 1, 10, 3, or 5 RAID set, any unused online available drive installed but not belonging to a RAID set can be defined as a hot spare drive. - Page 23 Q: Does the drive work with Norton Ghost or other disk cloning software? A: Yes. Many disk cloning software support SATA volumes. Consult your cloning software vendor; Fantom Drives does not provide any additional drivers. Q: Do you have “DOS driver” or a for the drive? A: No.
- Page 24 Storage -> Disk Management. In the Disk Management window, you should see a list of available storage devices. Look for the Disk that has a capacity closest to your Fantom Drives External Hard drive. Right-click on the right-hand box; in the pop-up menu select Delete Partition. Once you do this, it will say “Online"...
- Page 25 A-Getting Help Appendix A: Getting Help If you experience problems with your SR4, please contact your Authorized MicroNet Reseller for assistance. If the reseller is unable to resolve your issue, please contact MicroNet’s Help Desk for assistance. Please have the model, serial number, date of purchase, and reseller’s name available before making contact.
- Page 26 Appendix B: RAID Level Comparison Table RAID Description Min. Level Drives Also known as striping Data distributed across multiple drives in the array. There is no data protection Also known as mirroring All data replicated on N Separated disks. N is almost always 2. This is a high availability Solution, but due to the 100% duplica- tion, it is also a costly solution.
- Page 27 Digital’s IDE disk interface was standardized by ANSI to form the ATA specification using a 16-bit ISA bus. Cache cache is a fast-access memory bank that serves as an intermediate storage for data that is read from or written to secondary storage. Typically, high-speed caches are implemented in RAM, though they can also be implemented on disk when speed is not a critical requirement.
- Page 28 Hot Spare One or more disks in a RAID array may fail at any given time. In fact, all RAID types with the exception of RAID 0 provide methods to reconstruct the array in the event of such an occurrence.
- Page 29 C-Glossary Online Capacity Expansion The ability to add space to an existing RAID array within a session while preserving the RAID type and data within the array is known as online capacity expansion. The availability of this feature enables the user to add space to a RAID array as and when required without rebooting, thereby obviating the need for precise forecasts of capacity requirements for the future.
- Page 30 It provides the best data protection but can’t improve system performance. And storage space for the same data capacity should be double than in general cases. Hence storage cost doubles. The capacity of RAID 1 will be the size of the smaller HDD, so we suggest you connect HDDs of the same sizes to save HDD space.
- Page 31 Read Ahead Motivated by the principle of “spatial locality”, many RAID controllers read blocks of data from secondary storage ahead of time, i.e., before an application actually requests those blocks. The number of data blocks that are read ahead of time is typically governed by some heuristic that observes the pattern of requests.
- Page 32 Read Through Using this methodology, a read operation not only reads data from secondary storage into system memory but also places the data into the cache such that future need for the same data can be addressed expeditiously by directing a read operation for that data into the cache only.
- Page 33 Essentially write completion does not occur until the data is written to secondary storage. Thus the contents of the cache and the secondary storage are always consistent. The advantage is that the possibility of data corruption is greatly reduced.
- Page 34 7-03-2007 Rev 1 (SRM1.0) The material in this document is for information only and is subject to change without notice. While reasonable efforts have been made in the preparation of this document to assure its accuracy, MicroNet Technology assumes no liability resulting from errors or omissions in this document, or from the use of the information contained herein.
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