Ok, Im ready to make some luns. Are there any special rules or considerations I need to worry about?
A. Here are the lun creation rules: • luns must consist of a contiguous sequence of disks • a disk may not be partitioned into different luns • luns may NOT span disk trays • 1-2 luns per tray can be configured • RAID 1 luns can consist of 2-9 disks • RAID 5 luns can consist of 3-9 disks • If a hot spare is assigned, it MUST be disk 9 • If a hot spare is assigned, it MUST be assigned when the FIRST lun is created and used for ALL luns in the disk tray (See NOTE below)* NOTE: This rule is enforced by the Component Manager GUI, but is not enforced by the T3 CLI. Even though the CLI does not enforce it, users are STRONGLY ENCOURAGED to adhere to this rule to avoid experiencing unpredictable behavior that may result in the need to rebuild the luns. Q. Do the luns within a tray have to be the same RAID level? A. No. RAID levels can be mixed within the tray. But…there is a catch. Check out the rules for creating luns in the question above. If you create a RAID 0 lun first, and later create
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- Ok, Im ready to make some luns. Are there any special rules or considerations I need to worry about?
