Flexraid virtual sizing, Checking data consistency – Dell PERC 4/DC User Manual
Page 80
You have now declared the pre-loaded drive as a one-disk array.
8.
Set the Read Policy and Cache Policy on the Advanced Menu.
9.
Exit the Advanced Menu.
10.
Highlight Accept and press <Enter>.
Do not initialize.
11.
Press <Esc> and select Yes at the Save prompt.
12.
Exit the configuration utility and reboot.
13.
Set the host system to boot from SCSI, if such a setting is available.
FlexRAID Virtual Sizing
The FlexRAID Virtual Sizing option can no longer be enabled. It was used to allow Windows NT
®
and Novell
®
NetWare
®
5.1 to use the new space of a RAID
array immediately after you added capacity online or performed a reconstruction.
FlexRAID Virtual Sizing is in the BIOS Configuration Utility. If you have this option enabled on older cards, you need to disable it, then upgrade the firmware.
Perform the following steps to do this:
1.
Go to the
2.
Download the latest firmware and driver to a diskette.
The firmware is an executable file that downloads the files to the diskette in your system.
3.
Restart the system and boot from the diskette.
4.
Run pflash to flash the firmware.
Checking Data Consistency
Select this option to verify the redundancy data in logical drives that use RAID levels 1, 5, 10, and 50. (RAID 0 does not provide data redundancy.)
The parameters of the existing logical drives appear. Discrepancies are automatically corrected, assuming always that the data is correct. However, if the failure
is a read error on a data drive, the bad data block is reassigned with the generated data.
Perform the following steps to run Check Consistency:
1.
Select Check Consistency from the Management Menu.
2.
Press the arrow keys to highlight the desired logical drives.
3.
Press the spacebar to select or deselect a drive for consistency checking.
4.
Press <F2> to select or deselect all the logical drives.
5.
Press <F10> to begin the consistency check.
A progress graph for each selected logical drive displays.
6.
When the check is finished, press any key to clear the progress display.
7.
Press <Esc> to display the Management Menu.
(To check an individual drive, select Objects—> Logical Drives from the Management Menu, the desired logical drive(s), then Check Consistency on the
action menu.)