NetApp E2760 User manual

E-Series
Replacing a Drive Drawer in a 60-Drive Tray
The steps to replace a failed drive drawer in an E-Series 60-drive tray depend on whether the volumes in the drawer are
protected by Drawer Loss Protection. If all volumes in the drive drawer are in volume groups or disk pools that have Drawer
Loss Protection, you can perform this procedure online. Otherwise, you must stop all host I/O activity and power off the tray
before replacing the drive drawer.
This procedure applies to the following controller-drive trays and expansion drive trays:
• E2660 controller-drive tray
• E2760 controller-drive tray
• E5460 controller-drive tray
• E5560 controller-drive tray
• E5660 controller-drive tray
• DE6600 drive tray
Each of these 60-drive trays has five drive drawers.
And each of the five drawers can hold up to 12 drives.
1
215-10780_B0 January 2017 Copyright ©2017 NetApp, Inc. All rights reserved.
Web: www.netapp.com • Feedback: [email protected]

Before you begin
You need these items for this procedure:
• Antistatic protection
Attention: Possible hardware damage – To prevent electrostatic discharge damage to the drive tray, use proper antistatic
protection when handling drive tray components.
• Replacement drive drawer
• Replacement left and right cable chains
• Orange cable chain removal tool
Note: The cable chain removal tool makes it easier to reach into the enclosure and easier to unplug the cable chain
connectors. If you do not have the tool, you can use your fingers to unplug the connectors.
• Flashlight
• Permanent marker
Steps
1. Preparing to remove a drive drawer on page 2
2. Removing the cable chains on page 4
3. Removing a drive drawer on page 9
4. Installing a drive drawer on page 11
5. Attaching the cable chains on page 13
Preparing to remove a drive drawer
If the drive tray is powered on, you must issue the Set Drawer Service Action Allowed Indicator CLI command to
prevent the controller from accessing the drive drawer. This command also allows you to determine if the drives in the drawer
are in volume groups or disk pools protected by Drawer Loss Protection.
Before you begin
Before issuing the CLI command, confirm that the drive tray meets all of these conditions:
• The drive tray cannot be over temperature.
• Both fans must be installed and have a status of Optimal.
• All drive tray components must be in place.
• The volumes in the drive drawer cannot be in a Degraded state.
Attention: Possible loss of data access – If a volume is already in a Degraded state, and you remove drives from the drive
drawer, the volume can fail.
2Replacing a Drive Drawer in a 60-Drive Tray

About this task
When you issue the Set Drawer Service Action Allowed Indicator CLI command, all drives in the affected drive
drawer are checked to ensure they belong to volume groups or disk pools that have Drawer Loss Protection, as follows:
• If all drives in the drawer are in volume groups or disk pools that have Drawer Loss Protection, the command succeeds, and
the blue Service Action Allowed LED for the drive drawer is illuminated. You do not need to stop host I/O activity or power
down the drive tray to perform this procedure.
• If any drives in the drawer are in volume groups or disk pools that do not have Drawer Loss Protection, a warning is
displayed, indicating that this command should not be completed. To avoid data loss, you must stop all host I/O activity and
power down the drive tray before removing the drive drawer.
Steps
1. Determine if the drive tray is powered on.
• If the power is off, you do not need to issue the CLI command. Go to Removing the cable chains on page 4.
• If the power is on, go to the next step.
2. Type this command on the command line, and press Enter:
SMcli <ctlr_IP1> -c "set tray [trayID] drawer [drawerID]
serviceAllowedIndicator=on;"
In this command:
<ctlr_IP1>
is the identifier of the controller.
[trayID]
is the identifier of the drive tray that contains the drive drawer that you want to replace. Drive tray ID values are 0 to
99. You must enclose the value for trayID in square brackets.
[drawerID]
is the identifier of the drive drawer that you want to replace. Drawer ID values are 1 (top drawer) to 5 (bottom
drawer). You must enclose the value for drawerID in square brackets.
Example
This command turns on the blue Service Action Allowed LED for the top-most drawer in drive tray 10:
SMcli <ctlr_IP1> -c "set tray [10] drawer [1]
serviceAllowedIndicator=on;"
3. Determine if you need to stop host I/O activity, as follows:
• If the command succeeds, and the blue Service Action Allowed LED is illuminated, you do not need to stop host I/O
activity. All drives in the drawer are in volume groups or disk pools that have Drawer Loss Protection. Go to Removing
the cable chains on page 4.
Attention: Possible damage to drives – Wait 30 seconds after the blue Service Action Allowed LED comes on before
you open the drive drawer. Waiting 30 seconds allows the drives to spin down, which prevents possible damage to the
hardware.
• If a warning is displayed indicating that this command should not be completed, you must stop host I/O activity before
removing the drawer. The warning is displayed because one or more drives in the affected drawer are in volume groups
or disk pools that do not have Drawer Loss Protection. To avoid losing data, you must complete the next steps to stop
host I/O activity and to power off the tray.
Preparing to remove a drive drawer 3

4. Ensure that no I/O operations are occurring between the storage array and all connected hosts. For example, you can perform
these steps:
• Stop all processes that involve the LUNs mapped from the storage to the hosts.
• Ensure that no applications are writing data to any LUNs mapped from the storage to the hosts.
• Unmount all file systems associated with volumes on the array.
Note: The exact steps to stop host I/O operations depend on the host operating system and the configuration, which are
beyond the scope of these instructions. If you are not sure how to stop host I/O operations in your environment, consider
shutting down the host.
Attention: Possible data loss – If you continue this procedure while I/O operations are occurring, you might lose data.
5. If the storage array participates in a mirroring relationship, stop all host I/O operations on the secondary storage array.
6. Wait for five minutes to allow any data in cache memory to be flushed to disk.
7. From the title bar of the Array Management Window, select Monitor > Reports > Operations in Progress.
8. Wait for all operations shown on the Operations in Progress window to complete before continuing with the next step.
9. Power off the tray as follows:
If you are... Follow these steps...
Replacing a drive drawer in a
controller-drive tray a. Turn off both power switches on the controller-drive tray.
b. Wait for all LEDs on the controller-drive tray to go dark.
Replacing a drive drawer in an
expansion drive tray without Drawer
Loss Protection
a. Turn off both power switches on the controller tray.
b. Wait for all LEDs on the controller tray to go dark.
c. Turn off both power switches on the drive tray.
d. Wait two minutes for drive activity to stop.
Related information
SANtricity 11.30 Command Line Interface and Script Commands Programming Guide
Removing the cable chains
Left and right cable chains for each drive drawer in the 60-drive trays allow the drawers to slide in and out. Before you can
remove a drive drawer, you must remove both cable chains.
Before you begin
• You have issued the Set Drawer Service Action Allowed Indicator CLI command to turn on the blue Service
Action Allowed LED for the drawer, or you have stopped host I/O activity and powered off the tray.
• You have obtained the following items:
◦Antistatic protection
Attention: Possible hardware damage – To prevent electrostatic discharge damage to the tray, use proper antistatic
protection when handling tray components.
4Replacing a Drive Drawer in a 60-Drive Tray

◦Flashlight
◦Orange cable chain removal tool, which is included with the replacement drawer
Note: The cable chain removal tool makes it easier to reach into the enclosure and easier to unplug the cable chain
connectors. If you do not have the tool, you can use your fingers to unplug the connectors.
About this task
Each drive drawer has left and right cable chains. The metal ends on the cable chains slide into corresponding vertical and
horizontal brackets inside the enclosure, as follows:
• The left and right vertical brackets connect the cable chain to the enclosure's midplane.
• The left and right horizontal brackets connect the cable chain to the individual drawer.
Attention: Possible hardware damage — If you are replacing a drive drawer and the tray is powered on, you must read and
follow the instructions in this document.
Steps
1. Put on antistatic protection.
2. From the rear of the drive tray, remove the right fan canister, as follows:
a. Press the orange tab to release the fan canister handle.
1Orange tab
2 Fan canister handle
b. Using the handle, pull the fan canister out of the drive tray, and set it aside.
c. If the tray is powered on, ensure that the left fan goes to its maximum speed.
Removing the cable chains 5

Attention: Possible equipment damage due to overheating – If the tray is powered on, do not remove both fans at
the same time. Otherwise, the equipment might overheat.
3. Determine which drive drawer you need to replace, as follows:
• If the power is on, the blue Service Action Allowed LED indicates the cable chain you need to disconnect.
• If the power is off, you must manually determine which of the five cable chains to disconnect.
The figure shows the right side of the drive tray with the fan canister removed. With the fan canister removed, you can see
the five cable chains and the vertical and horizontal connectors for each drawer.
1Cable chain
2 Vertical connector (connected to the midplane)
3 Horizontal connector (connected to the drive drawer)
The top cable chain is attached to drive drawer 1. The bottom cable chain is attached to drive drawer 5.
4. Follow these steps to disconnect any of the right cable chains from its corresponding vertical bracket.
Attention: Possible hardware damage — If the drive tray is powered on, the cable chain is energized until both ends are
unplugged. To avoid shorting out the equipment, do not allow the unplugged cable chain connector to touch the metal
chassis if the other end of the cable chain is still plugged in.
a. Using a flashlight, locate the orange ring on the end of the cable chain that is connected to the vertical bracket in the
enclosure.
6Replacing a Drive Drawer in a 60-Drive Tray

b. Insert the hooked end of the cable chain removal tool into the orange ring. The hook should point in, toward the bracket.
If you do not have a cable chain removal tool, insert your finger into the orange ring.
c. To unplug the cable chain, carefully pull the tool (or your finger) toward you approximately 1 inch (2.5 cm), but leave the
cable chain connector within the vertical bracket.
Attention: Possible hardware damage — If the drive tray is powered on, do not allow the cable chain connector to
touch the metal chassis.
5. Follow these steps to disconnect the other end of the cable chain:
a. Using a flashlight, locate the orange ring on the end of the cable chain that is attached to the horizontal bracket in the
enclosure.
Removing the cable chains 7

b. Insert the hooked end of the cable chain removal tool into the orange ring. The hook should point down.
If you do not have a cable chain removal tool, insert your finger into the orange ring.
c. Pull the tool (or your finger) toward you to unplug the cable chain.
6. Pull the entire cable chain out of the drive tray.
7. Follow these steps to replace the right fan canister:
a. Slide the fan canister all the way into the tray.
b. Move the fan canister handle until it latches with the orange tab.
c. If the drive tray is receiving power, confirm that the green LED on the back of the fan is illuminated and that air is
coming out the back of the fan.
8. From the back of the drive tray, remove the left fan canister.
9. If the drive tray is receiving power, ensure that the right fan goes to its maximum speed.
Attention: Possible equipment damage due to overheating – If the tray is powered on, do not remove both fans at the
same time. Otherwise, the equipment might overheat.
10. Follow these steps to disconnect the left cable chain from its vertical bracket:
a. Using a flashlight, locate the orange ring on the end of the cable chain attached to the vertical bracket.
b. Insert the hooked end of the cable chain removal tool into the orange ring. The hook should point in, toward the bracket.
If you do not have a cable chain removal tool, insert your finger into the orange ring.
c. To unplug the cable chain, pull the tool (or your finger) toward you approximately 1 inch (2.5 cm), but leave the cable
chain connector within the vertical bracket.
Attention: Possible hardware damage — If the drive tray is powered on, the cable chain is energized until both ends
are unplugged. To avoid shorting out the equipment, do not allow the unplugged cable chain connector to touch the
metal chassis if the other end of the cable chain is still plugged in.
11. Using the cable chain removal tool, disconnect the left cable chain from the horizontal bracket, and pull the entire cable
chain out of the drive tray.
Note: If you are performing this procedure with the power on, all LEDs go off when you disconnect the last cable chain
connector, including the blue Service Action Allowed LED.
12. Replace the left fan canister. If the drive tray is receiving power, confirm that the green LED on the back of the fan is
illuminated and that air is coming out the back of the fan.
8Replacing a Drive Drawer in a 60-Drive Tray

Removing a drive drawer
After removing the right and left cable chains, you can remove the drive drawer from the drive tray. Removing a drive drawer
entails sliding the drawer part of the way out, recording the locations of the drives, removing the drives, and removing the drive
drawer.
Before you begin
• You have removed the right and left cable chains for the drive drawer.
• You have replaced the right and left fan canisters.
• You have obtained a permanent marker to note the exact location of each drive as you remove the drive from the drawer.
Steps
1. Remove the bezel from the front of the drive tray.
2. Unlatch the drive drawer by pulling out on both levers.
3. Using the extended levers, carefully pull the drive drawer out until it stops. Do not completely remove the drive drawer from
the drive tray.
4. If logical unit numbers (LUNs) have already been created and assigned, use a permanent marker to note the exact location of
each drive. For example, using the following drawing as a reference, write the appropriate slot number on the top of each
drive.
Attention: Possible loss of data access – Make sure to record the exact location of each drive before removing it.
5. Follow these steps to remove the drives from the drive drawer:
a. Raise the drive handle to vertical.
b. Use the handle to lift the drive from the drive drawer.
Removing a drive drawer 9

c. Place the drive on a flat, static-free surface and away from magnetic devices.
Attention: Possible loss of data access – Magnetic fields can destroy all data on the drive and cause irreparable
damage to the drive circuitry. To avoid loss of data access and damage to the drives, always keep drives away from
magnetic devices.
6. Follow these steps to remove the drive drawer:
a. Locate the plastic release lever on each side of the drive drawer.
1Drive drawer release lever
b. Open both release levers by pulling the latches toward you.
c. While holding both release levers, pull the drive drawer toward you.
d. Remove the drive drawer from the drive tray.
10 Replacing a Drive Drawer in a 60-Drive Tray

Installing a drive drawer
Installing a drive drawer into a drive tray entails sliding the drawer into the empty slot, installing the drives, and replacing the
front bezel.
Before you begin
• You know where to install each drive.
• You have obtained the following items:
◦Replacement drive drawer
◦Flashlight
Steps
1. From the front of the drive tray, shine a flashlight into the empty drawer slot, and locate the lock-out tumbler for that slot.
The lock-out tumbler assembly is a safety feature that prevents you from being able to open more than one drive drawer at
one time.
1Lock-out tumbler
2 Drawer guide
2. Position the replacement drive drawer in front of the empty slot and slightly to the right of center.
Positioning the drawer slightly to the right of center helps to ensure that the lock-out tumbler and the drawer guide are
correctly engaged.
3. Slide the drive drawer into the slot, and ensure that the drawer guide slides under the lock-out tumbler.
Attention: Risk of equipment damage – Damage occurs if the drawer guide does not slide under the lock-out tumbler.
Installing a drive drawer 11

4. Carefully push the drive drawer all the way in until the latch fully engages.
Attention: Risk of equipment damage — Stop pushing the drive drawer if you feel excessive resistance or binding. Use
the release levers at the front of the drawer to slide the drawer back out. Then, reinsert the drawer into the slot, and ensure
that it slides in and out freely.
5. Follow these steps to reinstall the drives in the drive drawer:
a. Unlatch the drive drawer by pulling out on both levers at the front of the drawer.
b. Using the extended levers, carefully pull the drive drawer out until it stops. Do not completely remove the drive drawer
from the drive tray.
c. Determine which drive to install in each slot by using the notes you made when removing the drives.
Attention: Possible loss of data access – You must install each drive in its original location in the drive drawer.
d. Raise the handle on the drive to vertical.
e. Align the two raised buttons on the drive with the notches on the drawer.
f. Lower the drive straight down, and then rotate the drive handle down until the drive snaps into place.
g. Repeat Step d through Step f to install all of the drives.
12 Replacing a Drive Drawer in a 60-Drive Tray

6. Slide the drawer back into the drive tray by pushing it from the center and closing both levers.
Attention: Risk of equipment malfunction – Make sure to completely close the drive drawer by pushing both levers.
You must completely close the drive drawer to allow proper airflow and prevent overheating.
7. Attach the bezel to the front of the drive tray.
Attaching the cable chains
The final step in installing a drive drawer is attaching the left and right cable chains to the drive tray. When attaching a cable
chain, reverse the order you used when disconnecting the cable chain. You must insert the chain's horizontal connector into the
horizontal bracket in the enclosure before inserting the chain's vertical connector into the vertical bracket in the enclosure.
Before you begin
• You have replaced the drive drawer and all of the drives.
• You have two replacement cable chains, marked as L (left) and R (right).
Callout Cable chain Connector Connects to
1 Left Horizontal Drive drawer
2 Vertical Midplane
3 Right Vertical Midplane
4 Horizontal Drive drawer
Steps
1. From the back of the drive tray, remove the fan canister on the left side, and set it aside.
2. If the tray is powered on, ensure that the right fan goes to its maximum speed.
Attention: Possible equipment damage due to overheating – If the tray is powered on, do not remove both fans at the
same time. Otherwise, the equipment might overheat.
3. Follow these steps to attach the left cable chain:
Attaching the cable chains 13

a. Locate the horizontal and vertical connectors on the left cable chain and the corresponding horizontal and vertical
brackets inside the enclosure.
b. Align both cable chain connectors with their corresponding brackets.
c. Slide the cable chain's horizontal connector under the guide rail on the horizontal bracket, and push it in as far as it can
go.
Attention: Risk of equipment malfunction — Make sure to slide the connector underneath the guide rail on the
bracket (shown in the figure on the left). If the connector rests on the top of the guide rail (shown in the figure on the
right), problems might occur when the system runs.
Correct position (connector under guide rail) Incorrect position (connector on top of guide rail)
d. Slide the vertical connector on the left cable chain into the vertical bracket.
If the power is on, the drives automatically spin up as soon as the first cable chain is connected.
e. After you have reconnected both ends of the cable chain, carefully pull on the cable chain to verify that both connectors
are latched.
Attention: Risk of equipment malfunction — If the connectors are not latched, the cable chain might come loose
during drawer operation.
4. Reinstall the left fan canister. If the drive tray is receiving power, confirm that the green LED on the back of the fan is now
on and that air is now coming out of the back.
5. From the back of the drive tray, remove the fan canister on the right side of the tray.
6. If the tray is powered on, ensure that the left fan goes to its maximum speed.
Attention: Possible equipment damage due to overheating – If the tray is powered on, do not remove both fans at the
same time. Otherwise, the equipment might overheat.
7. Follow these steps to reattach the right cable chain:
a. Locate the horizontal and vertical connectors on the cable chain and their corresponding horizontal and vertical brackets
inside the enclosure.
b. Align both cable chain connectors with their corresponding brackets.
14 Replacing a Drive Drawer in a 60-Drive Tray

c. Slide the cable chain's horizontal connector under the guide rail on the horizontal bracket and push it in as far as it will
go.
Attention: Risk of equipment malfunction — Make sure to slide the connector underneath the guide rail on the
bracket. If the connector rests on the top of the guide rail, problems might occur when the system runs.
d. Slide the vertical connector on the right cable chain into the vertical bracket.
e. Once you have reconnected both ends of the cable chain, carefully pull on the cable chain to verify that both connectors
are latched.
Attention: Risk of equipment malfunction — If the connectors are not latched, the cable chain might come loose
during drawer operation.
8. Reinstall the right fan canister. If the drive tray is receiving power, confirm that the green LED on the back of the fan is now
on and that air is now coming out of the back.
9. If the power to the drive tray is off, reapply power, as follows:
If you... Follow these steps...
Replaced a drive drawer in a
controller-drive tray a. Turn on both power switches on the controller-drive tray.
b. Wait 10 minutes for the power-on process to complete.
c. Confirm that both fans come on and that the green LEDs on the back of the fans are
illuminated.
Replaced a drive drawer in an
expansion drive tray without Drawer
Loss Protection
a. Turn on both power switches on the drive tray.
b. Confirm that both fans come on and that the green LEDS on the back of the fans are
illuminated.
c. Wait two minutes before applying power to the controller-drive tray.
d. Turn on both power switches on the controller-drive tray.
e. Wait 10 minutes for the power-on process to complete.
f. Confirm that both fans come on and that the green LEDS on the back of the fans are
illuminated.
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16 Replacing a Drive Drawer in a 60-Drive Tray