3-2 Sun Fire X4150 Server Service Manual • November 2009
3.1.1 Hot-Pluggable Devices
Hot-pluggable devices are those devices that you can remove and install while the
server is running, but you must perform administrative tasks before or after
installing the hardware (for example, mounting a drive).
In the Sun Fire X4150 Server, hard drives and SSD drives are hot-pluggable. To
hot-plug a drive you must take the drive offline (to prevent any applications from
accessing it, and to remove the logical software links to it) before you can safely
remove it. See Section 3.2, “Servicing the Drives” on page 3-2.
3.1.2 Hot-Swappable Devices
Hot-swappable devices are those devices that can be removed and installed while the
server is running without affecting the rest of the server’s capabilities.
In the Sun Fire X4150 Server, the following devices are hot-swappable:
■ Fan modules. See Section 3.3, “Servicing Fan Modules” on page 3-8.
■ Power supplies. See Section 3.4, “Servicing Power Supplies” on page 3-14.
Note – The chassis-mounted drives can be hot-swappable, depending on how they
are configured. See Section 3.2, “Servicing the Drives” on page 3-2.
3.2 Servicing the Drives
The following topics are covered for hard drive or SSD:
■ Section 3.2.1, “Sun Fire X4150 Server Drive Guidelines” on page 3-3
■ Section 3.2.2, “Sun Fire X4150 Server SSD Guidelines” on page 3-3
■ Section 3.2.3, “Drive Status LED Reference” on page 3-4
■ Section 3.2.4, “Removing a Hard Drive or SSD” on page 3-5
■ Section 3.2.5, “Installing an Hard Drive or SSD” on page 3-7
■ Section 3.2.6, “Using Drive Fillers” on page 3-8
Note – These are customer-replaceable units.
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