RAID 1: breaking mirrors and rebuilding drives, 4th Edition
Page 1
RAID 1(+0): breaking mirrors and rebuilding drives How to, 4th edition Abstract...2 Introduction...2 Splitting a mirrored array using the Array Configuration Utility 3 Recombining a split mirrored array using the Array Configuration Utility 4 Breaking a mirror and rebuilding the array using the manual method 5 Reverting to a previous copy of a mirrored set using the manual method 7 For more information...9 Call to action ...9
RAID 1(+0): breaking mirrors and rebuilding drives How to, 4th edition Abstract...2 Introduction...2 Splitting a mirrored array using the Array Configuration Utility 3 Recombining a split mirrored array using the Array Configuration Utility 4 Breaking a mirror and rebuilding the array using the manual method 5 Reverting to a previous copy of a mirrored set using the manual method 7 For more information...9 Call to action ...9
RAID 1: breaking mirrors and rebuilding drives, 4th Edition
Page 2
...HP Smart Array controller models support the legacy method for manually breaking a RAID 1(+0) mirror. The administrator can then replace the removed drives with new drive(s). • As a precaution against a future failure situation, an administrator can break a mirror for system backup: Using the Array Configuration Utility (ACU), the administrator can replace half of the drives in a RAID 1(+0) volume fails, the controller essentially breaks the mirror. Introduction When using the HP Array Configuration Utility (ACU) split mirror feature, is available only while a server is offline and...
...HP Smart Array controller models support the legacy method for manually breaking a RAID 1(+0) mirror. The administrator can then replace the removed drives with new drive(s). • As a precaution against a future failure situation, an administrator can break a mirror for system backup: Using the Array Configuration Utility (ACU), the administrator can replace half of the drives in a RAID 1(+0) volume fails, the controller essentially breaks the mirror. Introduction When using the HP Array Configuration Utility (ACU) split mirror feature, is available only while a server is offline and...
RAID 1: breaking mirrors and rebuilding drives, 4th Edition
Page 3
... a mirrored array using the ACU does not require splitting other arrays attached to the controller at the same time. Also note that this is offline. • Any applicable Smart Array Advanced Pack keys have been successfully installed. IMPORTANT You cannot split an array if it contains logical drives in their original RAID 1 or RAID 1+0 configuration after being used and the selected controller support the action. • The server is a bit different from the manual method...
... a mirrored array using the ACU does not require splitting other arrays attached to the controller at the same time. Also note that this is offline. • Any applicable Smart Array Advanced Pack keys have been successfully installed. IMPORTANT You cannot split an array if it contains logical drives in their original RAID 1 or RAID 1+0 configuration after being used and the selected controller support the action. • The server is a bit different from the manual method...
RAID 1: breaking mirrors and rebuilding drives, 4th Edition
Page 4
... another array of the new arrays. In the Select a Task panel, click Split Mirrored Array. 9. Take the server offline. 2. Select the HP ACU selection within the Maintenance Operation menu. 5. In the Configuration drop down the system. 12.With power off, remove the physical drives that contains the ACU (typically SmartStart) into any available media drive. 3. However, it can be unable to use as the source array in...
... another array of the new arrays. In the Select a Task panel, click Split Mirrored Array. 9. Take the server offline. 2. Select the HP ACU selection within the Maintenance Operation menu. 5. In the Configuration drop down the system. 12.With power off, remove the physical drives that contains the ACU (typically SmartStart) into any available media drive. 3. However, it can be unable to use as the source array in...
RAID 1: breaking mirrors and rebuilding drives, 4th Edition
Page 5
... place. For more information or to download the Array Configuration Utility, refer to the controller). Because of the added complexity, this URL: http://h18004.www1.hp.com/products/servers/proliantstorage/software-management/acumatrix/index.html Breaking a mirror and rebuilding the array using the manual method CAUTION Use the following procedure for any reason, follow these drives in configurations with RAID 1 (or RAID 1+0) logical drives only. 2. Verify that the controller is complete. Shut down the...
... place. For more information or to download the Array Configuration Utility, refer to the controller). Because of the added complexity, this URL: http://h18004.www1.hp.com/products/servers/proliantstorage/software-management/acumatrix/index.html Breaking a mirror and rebuilding the array using the manual method CAUTION Use the following procedure for any reason, follow these drives in configurations with RAID 1 (or RAID 1+0) logical drives only. 2. Verify that the controller is complete. Shut down the...
RAID 1: breaking mirrors and rebuilding drives, 4th Edition
Page 6
... all data should start automatically. NOTE For two-drive configurations, just remove one another. 7. Restart the operating system with the remaining half of the drives that the logical drive is still available but missing physical drives NOTE If the logical drive is failed at the 1786 Recovery Needed POST message prompt. All drives on . Boot-up , a message will remain disabled until you press F1 by the mirror. 6. Insert a new drive into...
... all data should start automatically. NOTE For two-drive configurations, just remove one another. 7. Restart the operating system with the remaining half of the drives that the logical drive is still available but missing physical drives NOTE If the logical drive is failed at the 1786 Recovery Needed POST message prompt. All drives on . Boot-up , a message will remain disabled until you press F1 by the mirror. 6. Insert a new drive into...
RAID 1: breaking mirrors and rebuilding drives, 4th Edition
Page 7
... revert to rebuild a mirrored array (depending on the number of a mirrored set was created and continue with only the backup drives installed. then power the server back on the array). Reverting to a previous copy of the array during boot-up to 2 hours to a previous copy of IOPS the server is rebuilt. Any drive that became part of a mirrored set using the manual method This method works only if the mirrored set , complete the...
... revert to rebuild a mirrored array (depending on the number of a mirrored set was created and continue with only the backup drives installed. then power the server back on the array). Reverting to a previous copy of the array during boot-up to 2 hours to a previous copy of IOPS the server is rebuilt. Any drive that became part of a mirrored set using the manual method This method works only if the mirrored set , complete the...
RAID 1: breaking mirrors and rebuilding drives, 4th Edition
Page 8
... stops blinking and turns solid green, the rebuild is powered off. Boot-up to 2 hours to rebuild a mirrored (depending on the number of IOPS the server is submitting to initiate the rebuild. NOTE The drive-online LED will indicate that the backup drives are probably in recovery mode. 4. A 300-GB SAS (3.5" 15K) drive can take up message indicating no logical drives were found and that the drives are hot inserted; Figure 2. CAUTION...
... stops blinking and turns solid green, the rebuild is powered off. Boot-up to 2 hours to rebuild a mirrored (depending on the number of IOPS the server is submitting to initiate the rebuild. NOTE The drive-online LED will indicate that the backup drives are probably in recovery mode. 4. A 300-GB SAS (3.5" 15K) drive can take up message indicating no logical drives were found and that the drives are hot inserted; Figure 2. CAUTION...
RAID 1: breaking mirrors and rebuilding drives, 4th Edition
Page 9
... and services are set forth in the express warranty statements accompanying such products and services. Resource description Business Support Center for HP Array Configuration Utility Configuring Arrays on HP Smart Array Controllers Reference Guide Web address http://h20000.www2.hp.com/bizsupport/TechSupport/Home.jsp?la ng=en&cc=us&prodTypeId=18964&prodSeriesId=468780 http://h20000.www2.hp.com/bc/docs/support/SupportManual/c00 729544/c00729544.pdf...
... and services are set forth in the express warranty statements accompanying such products and services. Resource description Business Support Center for HP Array Configuration Utility Configuring Arrays on HP Smart Array Controllers Reference Guide Web address http://h20000.www2.hp.com/bizsupport/TechSupport/Home.jsp?la ng=en&cc=us&prodTypeId=18964&prodSeriesId=468780 http://h20000.www2.hp.com/bc/docs/support/SupportManual/c00 729544/c00729544.pdf...