TrueNAS ES102 Handbuch
TrueNAS®ES102 Expansion Shelf
Basic Setup Guide
Version 1.04
Copyright © 2022 iXsystems, Inc. All rights reserved. All trademarks are the property of their respective owners.
Contents
1 Unpacking the Unit ......................................................................... 1
1.2 Become Familiar with the ES102 ............................................................ 2
2 Prerequisites ................................................................................ 3
2.1 Safety ............................................................................................. 3
2.1.1 Static Discharge .................................................................................... 3
2.1.2 Enclosure Size ...................................................................................... 3
2.2 Tools .............................................................................................. 3
2.3 Rack Requirements ............................................................................ 4
3 ES102 Rail Installation Procedures ...................................................... 5
3.1 Enclosure Rails .................................................................................. 5
3.2 Rack Rails ........................................................................................ 6
4 Cover Retention ............................................................................. 8
4.1 Attach Cage Nuts ............................................................................... 8
4.2 Install Alignment Brackets .................................................................... 8
5 Latch Plates .................................................................................. 9
6 Mount the Unit in the Rack .............................................................. 10
6.1 Attach Cover Retention Screws ............................................................ 11
6.2 Shipping Screws .............................................................................. 11
7 ES102 Cable Management Arms ........................................................ 12
7.1 Attach Cable Management Brace .......................................................... 12
7.2 Install Lower Cable Management Arm ................................................... 12
7.3 Install Upper Cable Management Arm ................................................... 13
8 Drive Installation ........................................................................... 14
8.1 Attach Clip to Drive .......................................................................... 14
8.2 Insert Drives into the Enclosure ........................................................... 14
8.3 Drive LED Indicators ......................................................................... 15
9 Cabling ...................................................................................... 16
9.1 Power Cables ................................................................................. 16
9.2 SAS Cables ..................................................................................... 17
9.3 Cable Routing ................................................................................. 19
10 Additional Resources .................................................................... 20
10.1 Contacting iXsystems ...................................................................... 20
ES102 Expansion Shelf
Set of rackmount rails. The rails are stamped
with indicators for the left, right, front, and back
positions.
102 drive clips with installed hard drives, shipped
separately.
Two 3-meter Mini SAS HD to Mini SAS HD cables.
1 Unpacking the Unit
TrueNAS units are carefully packed and shipped with trusted carriers to arrive in perfect condition. If there is any
shipping damage or any parts are missing, please take photos and contact iXsystems Support immediately at
Please locate and record the hardware serial numbers on the back of each chassis for quick reference.
Carefully unpack the shipping boxes and locate these components:
Two Cable Management Arms (CMAs), a CMA
brace, and bag with cable ties.
Left and right cover retention brackets.
Components kit with two IEC C14 to C13 power
cords, velcro strips, and rack mounting hard-
ware.
1.2 Become Familiar with the ES102
Indicators on the front panel show identication and status. The fault indicator is on during the initial power-on self-
test (POST) or when the TrueNAS software has issued an alert. These indicators are also on the back panel.
The ES102 has two expansion controllers in a side-by-side conguration.
Power Supply 1
Power Supply 2
Fan 1 Fan 2 Fan 3 Fan 4
1. SAS Connection Indicators (4)
2. Enclosure Indicators (see table above) (5)
3. Controller Management Port (not used) (6)
4. HD Mini SAS3 connectors (7)
LED Name Function
Identify Blinks Blue when identication is active or after identifying any component.
Fault Blinks Amber when Enclosure has a fault. O when Enclosure has no faults.
Power Solid Green when power is on.
2 Prerequisites
2.1 Safety
2.2 Tools
2.1.1 Static Discharge
2.1.2 Enclosure Size
There are additional considerations and some preparation required before installing the ES102 into a rack.
The ES102 is much larger than other Expansion Shelves sold by iXsystems. Be sure to take full safety precautions
when installing or servicing the enclosure.
You will need these tools to properly install the ES102 in a compatible rack:
Long T15 screwdriver and a #2 Philips head screwdriver.
You don’t need these items, but they can be useful when installing the ES102:
Tape measure, level, at head screwdriver, and cable ties.
The ES102 weighs 70 lbs unloaded and requires a minimum of two people to lift.
Do not attempt to lift the ES102 when it is fully populated with drives! The total weight of a fully-populated sys-
tem is over 260 lbs. When removing a fully-populated system from a rack, remove the drives before de-racking the
enclosure.
You will need at least 37.5” (952.5mm) empty space in front of a racked ES102 to fully extend the enclosure to ac-
cess all drive bays. Due to the weight of the enclosure, this can be a tipping hazard for the rack. Be sure to follow all
tipping prevention instructions recommended by your rack provider before installing the ES102.
Static electricity can build up in your body and discharge when touching conductive materials. Electrostatic
Discharge (ESD) is harmful to sensitive electronic devices and components. Keep these safety recommendations in
mind before opening the system case or handling non-hot-swappable system components:
1. Turn o the system and remove power cables before opening the case or touching internal components.
2. Place the system on a clean, hard work surface like a wooden tabletop. Using an ESD dissipative mat can also
help protect the internal components.
3. Touch the metal chassis with your bare hand to dissipate static electricity in your body before touching any
internal components, including components not yet installed in the system. Using an anti-static wristband and
grounding cable is another option.
4. Store all system components in anti-static bags.
You can nd more preventative tips and details about ESD at https://www.wikihow.com/Ground-Your-
self-to-Avoid-Destroying-a-Computer-with-Electrostatic-Discharge.
2.3 Rack Requirements
At minimum, the ES102 requires 4U of space in a EIA-310 compliant rack that is 47.24” (1200mm) deep, from frame
to frame. The vertical rack rails need to be spaced between 31.5” - 36.2” (800mm - 920mm) apart to properly install
the ES102 rails.
We recommend adjusting the front vertical rack rails to be as close to the front of the rack as possible to
prevent the cable management arms (CMAs) from protruding from the back of the rack.
The system with CMAs attached is 47.1 (1197mm) deep.
The rack must be a standard 17.72” - 18.31” (450mm - 465mm) wide, although a minimum 29.5” (750mm) cabinet
width allows for using a zeroU PDU with the enclosure. Narrower cabinets could require a rack-mounted PDU to
properly allow the enclosure to be fully installed into the rack and properly cabled with the included Cable Manage-
ment Arms.
For 52U racks, iXsystems recommends the AR3357X674. For a 42U rack, we recommend the AR3350 APC.
We recommend using the bottom-most available 4U space in the rack to better balance the system’s weight with
other equipment installed in that rack.
For both the AR3357X674 and AR3350 APC rack, we recommend using the STV-4501, STV-4502, or STV-4503 PDU.
3 ES102 Rail Installation Procedures
3.1 Enclosure Rails
Each rack rail includes an inner chassis rail that must be removed. Extend the innermost rail as shown below until
it clicks into place and the metal safety catch is fully exposed. Push the safety catch in and continue to pull out the
innermost rail until it is completely free from the rack rail. Repeat the process for the second rail.
The chassis rails attach to each side of the ES102. Align the chassis rail keyholes with the ES102’s side posts. Slide
the rail towards the rear of the system until the metal tab clicks and locks the rail in place. Use three of the included
low-prole M4 Philips screws to secure the rail to the ES102. Repeat this process on the other side. The Cable Man-
agement Arm attach point will be at the back of the system.
ES102 rail installation has several steps. First, separate the chassis rails from the rack rails and install them on the
ES102. Then, t the rack rails inside the rack. Next, install the additional components to secure the ES102 drive cov-
er and latch the unit in the rack. Finally, you can reattach the ES102 to the rack rails and install it in the rack.
PRESS PULL
M4x3.2mm
(not to scale)
M4x3.2mm
(not to scale) M4x3.2mm
(not to scale)
The ES102 occupies 4U of rack space. The front rail pins mount to the 4U’s bottom-most attach points, and the back
rail pins mount to one space above the 4U’s bottom-most attach points. The rails are stamped for left side (L) and
right side (R) of the rack, according to your perspective when facing the rack.
Install the front of the rail rst. Align the rail pins with the mounting holes in the rack and push forward until the
front latch clicks into place on the rack. Make sure an additional 2U of rack space is available above the rail.
The rear of the rail can adjust to racks that have 32 -36 inches of space between the front and rear rack posts.
Align the rear rail pins with the rack’s mounting holes and push forward until the blue release catch clicks into place
over the rack. Note that the rear rail pins install one mounting hole higher than the front rail pins. You can use a level
to ensure the front and back of the rail are even.
3.2 Rack Rails
When installed correctly, the front and rear of the rail is level and the inner part of the rail with the gray bearing
sleeve is facing the inside of the rack. Use the same procedure to install the other rail, being sure to install both left
and right rails at the same height in each rack post.
Use three of the included washers and T15 M5 screws to secure the rear of the rail to the rack post.
Front Rear
T15 M5
Screws
Rear
4 Cover Retention
4.1 Attach Cage Nuts
4.2 Install Alignment Brackets
The cover retention components hold the cover in place when the unit slides forward out of the rack, simplifying
drive bay access. If you want cover retention, install alignment brackets over the rear of the rack rails. Then install
cage nuts at the system’s front for the cover retention screws.
You will need two of the included square cage nuts.
Take a cage nut and add it the topmost rack mounting hole of the required 4U of space. A at head screwdriver can
be helpful to push the cage nut “wings” into the rack mounting hole.
The nut should be inside the rack, with the attach “wings” touching the left and right sides of the hole (horizontal).
Repeat this process for the other rack post and make sure both cage nuts are installed parallel rack mounting holes.
Place the included Cover Alignment Bracket over the rail and align it with the mounting holes on the rear of the rack
rail. The groove in the bracket must be pointed toward the inside of the rack. Use ve washers and T15 M5 screws to
secure the bracket to the rear of the rack rail.
Use the same method to install the second alignment bracket to the other rail. Make sure the grooves on top of
both brackets point inside the rack. The ES102 cover slides into the grooves when it is pushed into the rack.
T15 M5
Screws
Rear
4U
Front
5 Latch Plates
The latch plates attach to the front of the rack rails. They secure the rails to the rack and hold the enclosure in place
when fully inserted in the rack. Align the plate over the three holds between the rack rail front mounting pins. The
ange must point to the outside of the rack. Use three T15 M5 screws to secure the latch plate, rack post, and rack
rails together.
Use the same procedure to install the second plate on the front of the other rail. Make sure that both anges on the
latch plates point to the outside of the rack.
Front
T15 M5 Screws
(not to scale)
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