Dell PowerVault MD1220 - Manual (Page 29)

Installing Enclosure Components
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Hard Drives
SAFETY: Models AMT, E03J, and E04J
Models AMT, E03J, and E04J are intended for installation only in restricted
access locations as defined in cl 1.2.7.3 of IEC 60950-1:2005.
Depending on your configuration, your enclosure either supports up to 24
2.5-inch SAS hard drives or up to 12 3.5-inch SAS hard drives in internal drive
bays. Hard drives are connected to a backplane through hard-drive carriers
and can be configured as hot-swappable.
CAUTION:
Do not turn off or reboot your enclosure while the drive is being
formatted. Doing so can cause a drive to fail.
When you format a hard drive, allow enough time for the formatting to
complete. High-capacity hard drives can take a number of hours to format.
Removing a Drive Blank
CAUTION:
To maintain proper system cooling, all empty hard-drive bays must
have drive blanks installed.
1 If installed, remove the front bezel. See "Removing the Front Bezel" on
page 27.
2 Press the release tab and slide the drive blank out until it is free of the
drive bay. See Figure 3-2 for PowerVault MD1200 and Figure 3-3 for
PowerVault MD1220.
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