Compaq 179740-001 - ProLiant - 3000 White Paper
Hot plug disk drive removal and replacement guidelines for compaq smart array controllers
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Also See for 179740-001 - ProLiant - 3000:
- White paper (11 pages) ,
- Manual (10 pages) ,
- Integration notes (52 pages)
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White Paper
November 1999
11DT-119A-WWEN
Prepared by Storage Products
Division
Compaq Computer Corporation
Contents
Plug Drives .................................3
plugging a drive ........................3
be replaced...............................4
Conclusion .................................6
Hot-Plug Disk Drive Removal
and Replacement Guidelines for
Compaq Smart Array
Controllers
Abstract: The purpose of this paper is to communicate to customers
the guidelines for implementing hot-plug removal and replacement
of hard drives when using Compaq Smart Array Controllers.
Compaq is fully committed to providing the ideal client/server high
availability solution for customers. High availability features in
Compaq Smart Array Controllers include hot-pluggable hard drives.
With hot-pluggable hard drives, customers can remove and replace
one or several drives within a server while the system is online for
rapid recovery while minimizing interruption of the network.
In order to maximize high availability, Compaq has issued customer
guidelines on extending and implementing the removal and
replacement of hot-pluggable hard drives.
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Summary of Contents for Compaq 179740-001 - ProLiant - 3000
- Page 1 Compaq Smart Array Controllers. Manager indicates that a drive is degraded and should Compaq is fully committed to providing the ideal client/server high be replaced.......4 availability solution for customers. High availability features in Conclusion .........6 Compaq Smart Array Controllers include hot-pluggable hard drives.
- Page 2 PROFITS, BUSINESS INTERRUPTION OR LOSS OF BUSINESS INFORMATION), EVEN IF COMPAQ HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. The limited warranties for Compaq products are exclusively set forth in the documentation accompanying such products. Nothing herein should be construed as constituting a further or additional warranty.
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Page 3: Rapid Recovery With Hot-Plug Drives
If another drive fails during this period, the entire contents of the array will be lost. Certain restrictions and exclusions apply. Requires that servers use Compaq Insight Manager in order to implement Pre-Failure alerting. -
Page 4: Guidelines When Insight Manager Indicates That A Drive Is Degraded And Should Be Replaced
Hot-Plug Disk Drive Removal and Replacement Guidelines for Compaq Smart Array Controllers Note: Therefore, Compaq recommends that disk drive replacement should be performed during low activity periods whenever possible. In addition, a current valid backup should be available of the logical drives in the array of the drive being replaced, even if drive replacement is being made during server downtime. - Page 5 IMPORTANT: Before replacing a degraded drive, use Compaq Insight Manager to examine the error counters recorded for each physical drive in the array to verify that such errors are not presently occurring.
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Page 6: Conclusion
Hot-Plug Disk Drive Removal and Replacement Guidelines for Compaq Smart Array Controllers The system administrator should also be aware of the following Compaq guidelines cautioning unsafe hot-plug replacement: Do not remove a degraded drive if any other member of the array is off-line (the online LED indicator is off).