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Chapter 7. Configuring Your Controller94 3ware Serial ATA RAID Controller User Guide3 On the Policy Settings page, Tab to the Carving Factor field, press Enterto display the text entry box, enter the size you want (between 1024 GBand 2048 GB) and press Enter again to accept it.4 Tab to OK and press Enter to select it.The policy is enabled immediately.Enabling and Setting Up Staggered Spin-upYou can set the number of drives that will spin up at the same time and thedelay time between drive group spinups. Three policy settings let you set thenumber of drives that will spin up at the same time and set the delay betweendrive groups that spin up at one time.Not all drives support staggered spinup. If you enable staggered spinup andhave drives that do not support it, the setting will be ignored. You can changethese settings in 3BM or using the CLI.To enable or disable spinup and set the delay between spinups1 At the main 3BM screen, Tab to Policy and press Enter.2 On the Policy Control screen, Tab through these fields, making thechoices you want to use:• Staggered Spinup: Choose enabled or disabled.• Number of Drives Per Spinup: Select the number of drives—from 1to 4, 8, 12, or 16, depending on the number of ports on the controller.• Delay between spinup: Select the number of seconds—from 1 to 6.• Staggered Method: Select either ATA-6 or SATA OOB as the type ofstaggered spinup you want to use. For staggering to work correctly,the drives must support the selected method. Check thedocumentation for the drive to see which method is supported.3 Tab to the OK button and press Enter.You will notice a short delay as 3BM makes the policy changes.It is possible to enable or disable automatic detection of drives on the controller’sports for staggered spinup during hot-swapping of drives. This feature is onlyavailable in the CLI using the autodetect=on|off command. For more information,see /cx set autodetect=on|off disk=|all 3ware Serial ATA RAID Controller CLIGuide.Note: Some hard drives require that the power management jumper (PM2) be setto enable staggered spinup, in order for the SATA OOB option to be used. For moreinformation, see the knowledgebase article 14889, at http://www.3ware.com/KB/article.aspx?id=14889
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