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netapp add disk adp

Expand NetApp Storage Aggregate with ADP (R-D-D) configuration

I recently performed an NetApp FAS storage aggregate expansion. The aggregate to be expanded is configured with Advanced Drive Partitioning (ADP) feature, and each physical disk is sliced into Root-Data-Data partitions.

NetAPP_ADP

For who do not familiar with NetApp ADP feature, here is the link for more information.

https://docs.netapp.com/ontap-9/index.jsp?topic=%2Fcom.netapp.doc.dot-mcc-inst-cnfg-ip%2FGUID-CB35BBF9-20AA-4A72-9D80-E51857A25193.html

My environment is a standard environment with three new disks to be add into existing two aggregates as below:

  • Two existing aggregate aggr-a (Node1) and aggr-b (Node2);
  • Aggr-a is composed by disk partition “data1” in each physical disk; and
  • Aggr-b is composed by disk partition “data2” in each physical disk.

The procedure to expand the ADP based aggregate is different from expanding the standard aggregate, the key part is about “When” and “How” ONTAP will partition the disk and put the right partition into the right aggregate. I listed my procedure as below which is validated in ONTAP version 9.6 SP3.

* Pls noted that, aggregate expansion cannot be stopped or reversed once started, please consult NetApp support if not familiar with NetApp operations. This post is for reference only.

  • Disable the disk auto assignment with below command:
  • Physically add three new disks into the existing disk shelf or with new shelf. After adding the disk, the disk should be in “unassigned” status.
  • Check the existing disk partition ownership. The disk partition “data1”  of the existing disks should be owned by node1.  The disk partition “data2”  of the existing disks should be owned by node2.
  • Manually assign all three new disks to node1. Assigning all new disks into same node is important for the next step. After disk assignment, the three new disk should be shown as “spare” disks for now.
  • Check the current aggregate structure to make a decision on which PLEX and RAID group you would like the new disks to be expanded.
  • The disks should be ready to be added into aggregate. For ADP enable the aggregate, in my case, expand the aggr-a (Node1) First. Use below command to simulate (“-simulate true”) the aggregate expansion. This “SIMULATION” step is important as the aggregate expansion cannot be stopped or reversed once started. The command to simulate the expansion for the ADP enable aggregate is as below:

Pls check carefully for below items in simulation result.

  • Plex# to be added;
  • RAID Group# to be added; and
  • Confirm the disks which will be partitioned are the desired disks.

It is possible to use “-raidgroup” switch to specify which RAID group to expand. Also consider to modify RAID Group size if need to expand the existing RAID group.

  • Once the SIMULATION is complete, removing the “-simulate true” in previous command and expand the aggregate. Type “y” to confirm the expansion. The expansion should finish in a few seconds.
  • For now, the aggr-a should have been expanded. Check the total capacity for aggr-a to confirm. Also need to check the disk partitions for the newly added disks. These disks should be partitioned in last step with Root-Data1-Data2, same as existing disks. Confirm disk partition “data2” is owned by node2 now.
  • Repeat above step 5 and 6 to expand the aggr-b. Since the newly added disks are already partitioned and partition “data2” is automatically configured as owned by node2, there is no need to partition any more.
  • Now both aggregates on node1 and node2 are expanded with newly added disks.

You may have question about the root partition in newly added disks. Do they need to be added into root aggregate? My own understating this is not necessary unless root aggregate need more capacity and instructed by NetApp support.

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Really appreciate this post, it’s a shame that the Netapp doco can’t be as concise, informative and simple to follow.

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NetApp

Adding disks to a storage system

You add disks to a storage system to increase the number of hot spares, to add space to an aggregate, or to replace disks.

Before you begin

You must have confirmed that your storage system supports the type of disk you want to add. For information about supported disk drives, see the Hardware Universe at hwu.netapp.com .

About this task

You use this procedure to add physical disks to your storage system. If you are administering a storage system that uses virtual disks, for example, a system based on Data ONTAP-v technology, see the installation and administration guide that came with your Data ONTAP-v system for information about adding virtual disks.

  • Check the NetApp Support Site for newer disk and shelf firmware and Disk Qualification Package files. If your system does not have the latest versions, update them before installing the new disk.

The new disks are not recognized until they are assigned to a system and pool . You can assign the new disks manually, or you can wait for Data ONTAP to automatically assign the new disks if your system follows the rules for disk autoassignment.

  • After the new disks have all been recognized, verify their addition and their ownership information by entering the following command: disk show -v You should see the new disks, owned by the correct system and in the correct pool , listed as hot spare disks.
  • You can zero the newly added disks now, if needed, by entering the following command: disk zero spares Note: Disks that have been used previously in a Data ONTAP aggregate must be zeroed before they can be added to another aggregate. Zeroing the disks now can prevent delays in case you need to quickly increase the size of an aggregate. The disk zeroing command runs in the background and can take hours to complete, depending on the size of the non-zeroed disks in the system.

The new disks are ready to be added to an aggregate, used to replace an existing disk, or placed onto the list of hot spares.

More information

  • When you need to update the Disk Qualification Package The Disk Qualification Package (DQP) adds full support for newly qualified disk drives. Each time you update disk firmware or add new disk types or sizes to the storage system, you also need to update the DQP.

netapp add disk adp

SYSADMINTUTORIALS IT TECHNOLOGY BLOG

By david rodriguez, netapp advanced drive partitioning setup, how to setup netapp advanced drive partitioning on fas2552.

Advanced Drive Paritioning is a new feature introduced in Clustered Data Ontap 8.3. It allows us to be able to partition the internal drives of entry level and all-flash systems in order to save physical disk space.

Traditionally, for a new setup,  we would have to allocate a minimum of 3 disks so the system is able to create a root aggregate and install the operating system. As an example if we are using SAS 900GB disks across the board, 3 of these would need to be allocated to node1 and another 3 would be allocated to node2 for their root aggregates. It was a bit of a waste especially on entry level systems.

Advanced Drive Partitioning allows the system to partition each physical disk into 2 partitions. One partition being for the root aggregate and the second partition being for data.

BEFORE profeeding with this tutorial , please take a look at this updated Advanced Drive Partitioning post which makes this process a whole lot easier –  Netapp Ontap 9 Configure Advanced Drive Partitioning

In this tutorial we will look at how we can configure Advanced Drive Partitioning on a Netapp FAS2552. This system is a brand new out of the box and does not contain any user data.

WARNING: I have to say don’t try and partition a live system unless you don’t mind losing all your data. All volumes, aggregates and disk ownship get removed.

Configuration of Advanced Drive Partitioning

We are going to start with a few checks:

  • Ensure Data Ontap 8.3 or later is installed as the system image (you can see this during boot)

NetApp Data ONTAP 8.3P1 Copyright (C) 1992-2015 NetApp. All rights reserved.

  • Do you currently have any drives owned by nodes or are any drives partitioned ?

In our case we had drives assigned to the nodes so I’m going to show you the process to go through for removing all disk ownership.

Let’s start with Node 1

As the system boots look out for the following text and press Ctrl-C for the Boot Menu

*******************************

Press Ctrl-C for Boot Menu.

At the boot menu we want to select option 5 for the maintenance mode boot

(1) Normal Boot. (2) Boot without /etc/rc. (3) Change password. (4) Clean configuration and initialize all disks. (5) Maintenance mode boot. (6) Update flash from backup config. (7) Install new software first. (8) Reboot node. Selection (1-8)? 5

Once you arrive at the following prompt:

Type in aggr show

*> aggr st atus Aggr          State         Status          Options aggr0        online       raid_dp,      aggr root, nosnap=on 64-bit

If your system does not contain any aggregates you can skip this step, if your system contains an aggregate we are going to remove it by typing:

*> aggr offline aggr0

type yes when asked:  Are you sure want to take the root aggregate (aggr0) offline?

*> aggr destroy aggr0

type yes when asked:  Are you sure you want to destroy this aggregate?

Next we are going to see how the physical disks are laid out by typing disk show

If we only see disks with the following format: port.shelfID.diskID, (for example 0b.00.11) Then we do not have any partitioned disks.

If we see disks in the following format: port.shelfID.diskIDP1 or P2, the P1 and P2 indictate Partition 1 and Partition 2. (for example 0b.00.11P1 and 0b.00.11P2)

If your disks do not contain any partitions you can skip this step.

We will now unpartition each disk by typing:

*> disk unpartition 0b.00.11 (this will remove partition 1 and 2 from this disk)

Repeat the above command for all partitioned disks

Type disk show once again to ensure all partitions have been removed, if they have been removed move onto the next step.

Now we will remove disk ownership from each disk by typing the following command:

*> disk remove_ownership 0b.00.11

Type y for yes when the following question appears:  Volumes must be taken offline. Are all impacted volumes offline(y/n)??

Do this for every disk and once you have finished type disk show again and ensure you get the following return information:

disk show: No disks match option show.

Once you are finished on Node 1, type:

and let the system reboot into the Loader-A> prompt.

Now repeat the above process on Node 2 – boot into maintenance, remove aggregates, unpartition disks, remove disk ownership and halt the system.

Return back to Node 1 and type:

Loader-A> boot_ontap

Press Ctrl-C when you see Press Ctrl-C for Boot Menu

******************************* ^CBoot Menu will be available.

When the boot menu appears we are going to select option 4 this time:

Please choose one of the following:

(1) Normal Boot. (2) Boot without /etc/rc. (3) Change password. (4) Clean configuration and initialize all disks. (5) Maintenance mode boot. (6) Update flash from backup config. (7) Install new software first. (8) Reboot node. Selection (1-8)? 4

Type yes when asked  Zero disks, reset config and install a new file system?

Type yes when asked  This will erase all the data on the disks, are you sure?

Node 1 will now zero and partition all odd numbered disks, for example 1,3,5,7,9,etc. During the disk zero task you will see many continuous dots on the screen.

Now plug your console cable into Node 2. You must complete this task before Node 1 has finished the disk zero and partitioning tasks .

You should be at the Loader-B> prompt. Type:

Loader-B> boot_ontap

Press Ctrl-C when you see Press Ctrl-C for Boot Menu.

We will repeat the same process as Node 1. When the boot menu appears we will select option 4.

Node 2 will now zero and partition all even numbered disks , for example 0,2,4,6,8,etc. During the disk zero task you will see many continuous dots on the screen.

Once the disk zero task has finished on each node, each disk will be auto partitioned:

[localhost:raid.autoPart.start:notice]: System has started auto-partitioning 10 disks.

Once the partitioning has completed, this will be the default disk partition layout.

advanced drive partitioning

You should now be cluster setup wizard. Once you have completed the cluster setup wizard on both nodes we can decide how we would like to setup our data aggregates.

  • Option 1, we leave it as is in the diagram above where disks 1,3,5,7,9,11,13,15,17,19,21 are used for a data aggregate with disk 21 being a spare for Node 1 and disks 0,2,4,6,8,10,12,14,16,18,20 are used for a data aggregate with disk 22 being a spare for Node 2.
  • Option 2, we unassign data partitioned disks from Node 2, assign ownership to Node 1 and add them to the existing data aggregate as seen in the diagram below

advanced drive partitioning

Disclaimer: All the tutorials included on this site are performed in a lab environment to simulate a real world production scenario. As everything is done to provide the most accurate steps to date, we take no responsibility if you implement any of these steps in a production environment.

Very good n explanatory

Thankyou Pradeep

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Add disks to aggregate

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You can add disks to an existing aggregate.

Choose the workflow to use based on the type of Cloud Volumes ONTAP deployment:

Single Node

Add disks to an aggregate for single node

You can use this workflow to add disks to an aggregate for a single node working environment.

1. Create the working environment

Perform the workflow Create Azure single node working environment and choose the publicId value for the workingEnvironmentId path parameter.

2. Create the aggregate

Perform the workflow Create aggregate to create an aggregate with the name aggr2 and choose aggr2 for the aggregateName path parameter.

3. Add the disks to the aggregate

You must include the following path parameters:

<WORKING_ENV_ID> (workingEnvironmentId) string

<AGGR_NAME> (aggregateName) string

Also, the JSON input example includes an input parameter as shown.

Add disks to an aggregate for high availability pair

You can use this workflow to add disks to an aggregate for HA working environment.

Perform the workflow Create Azure HA working environment and choose the publicId value for the workingEnvironmentId path parameter.

IMAGES

  1. Solved: ADP disk layout

    netapp add disk adp

  2. Solved: ADP disk layout

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  3. How To Add Disk In Existing Aggregate NetApp Cluster Mode

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  4. NetApp ADP disk reassign

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  5. Expand NetApp Storage Aggregate with ADP (R-D-D) configuration

    netapp add disk adp

  6. NetApp

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COMMENTS

  1. How to setup Advanced Disk Partitioning

    Data ONTAP 8.2 7-Mode. This article describes the procedure to be followed to set up Advanced Disk Partitioning (ADP), also known as disk slicing, on a newly-installed system.

  2. Expand NetApp Storage Aggregate with ADP (R-D-D) configuration

    The procedure to expand the ADP based aggregate is different from expanding the standard aggregate, the key part is about "When" and "How" ONTAP will partition the disk and put the right partition into the right aggregate. I listed my procedure as below which is validated in ONTAP version 9.6 SP3.

  3. Add 4 additional disks to AFF-A220 controller with ADP

    2021-07-14 06:40 AM 3,262 Views Hi. I'm reading a few posts and documentation about ADP, how to add disks but in this case I don't know what is the procedure to expand the two existing aggregates with capacity of new 4 purchased disks.

  4. What are the rules for Advanced Disk Partitioning ...

    1/17/2024, 2:57:34 PM Table of contents Applies to Answer Additional Information Applies to ONTAP 9 ADPv1 or ADPv2 Root-data partitioning Answer Additional Information The following example error message is reported when attempting to change the RAID type to an unsupported version: cluster1::> aggr modify -aggregate aggr0 -raidtype raid4

  5. Adding disks to a storage system

    Steps the NetApp Support Site for newer disk and shelf firmware and Disk Qualification Package files. If your system does not have the latest versions, update them before installing the new disk. The new disks are not recognized until they are assigned to a system.

  6. Netapp Advanced Drive Partitioning Setup

    How to Setup Netapp Advanced Drive Partitioning on FAS2552. Advanced Drive Paritioning is a new feature introduced in Clustered Data Ontap 8.3. It allows us to be able to partition the internal drives of entry level and all-flash systems in order to save physical disk space. Traditionally, for a new setup, we would have to allocate a minimum of ...

  7. Root-data partitioning

    ONTAP docs Release notes System Manager integration with BlueXP Introduction and concepts Every node must have a root aggregate for storage system configuration files. The root aggregate has the RAID type of the data aggregate.

  8. How to add disks to a new partitioned raidgroup ...

    How to add disks to a new partitioned raidgroup in a partitioned aggregate Save as PDF Share Views: 7,002 Visibility: Public Votes: 7 Category: disk-drives Specialty: hw Last Updated: 4/5/2023, 9:05:59 AM Table of contents Applies to Description Applies to Systems using partitioned disks/SSD's ADPv1 or ADPv2 Aggregate expansion Description

  9. New shelf added after ADP is enabled but disks are not partitioned

    Advanced Disk Partition (ADP) Issue There are two concerns when adding new disks to an ADP system: After adding a shelf to an ADP enabled system, the drives are not partitioned. When adding disks to an aggregate some were partitioned and others were not. Sign in to view the entire content of this KB article. SIGN IN New to NetApp?

  10. Solved: ADP disk layout

    1 ACCEPTED SOLUTION sgrant 2017-09-25 02:01 AM 12,744 Views Hello, for the smaller FAS systems Root-Data Partitioning will be used, where each HDD will be split into 2 partitions, one small for the root aggregate and the other larger for the data aggregate (s).

  11. Is it possible to create an aggregate? (RAID group with ADP ...

    Reply 1 ACCEPTED SOLUTION TMACMD 2022-04-07 07:39 AM In response to YXMRETK 2,583 Views Habit. I want to make sure that ontap will in fact use the adp drives first to make the start of the aggregate. I know that if I add disks to an aggregate with adp ontap will auto partition as long as I am under the max raid size.

  12. storage aggregate add-disks

    storage aggregate add-disks. 02/11/2024 Contributors. Suggest changes. PDFs. Add disks to an aggregate.

  13. Add disks to aggregate

    1. Create the working environment. Perform the workflow Create Azure HA working environment and choose the publicId value for the workingEnvironmentId path parameter. 2. Create the aggregate. Perform the workflow Create aggregate to create an aggregate with the name aggr2 and choose aggr2 for the aggregateName path parameter. 3. Add the disks ...

  14. Questions regarding Advanced disk partitioned and normal disks.

    1. Can we add those ADP drive data partitions to existing Non-ADP drive aggregate to increase the space? 2. If we were not able to add them to Non-ADP aggregate, i am planning to create a new aggregate with those unused drives. Is this best practice? 3. If any one of drive failed in ADP aggregate.

  15. Why is a newly added disk not auto-partitioned on ADP systems?

    Answer Non-MetroCluster Environments When a disk drive is replaced and assigned to a node in an ADP configuration the disk will remain as a whole disk (unpartitioned) until one of the following operations happens: Disk Reconstruction of a disk containing partitions Rapid RAID Recovery (also known as Sick Disk Copy) of a disk containing partitions

  16. How to add partition disk ? : r/netapp

    Reply reply. •. You can assign the ownership manually for partitions similarly to normal disks. Reply reply. •• Edited. Be sure to use the -simulate flag when adding drives to the aggr. Edit; example: Disks are added and whole: run simulate to see what the add would look like: (to add, just remove the -simulate flag)

  17. Reassigning a Disk When ADP is Enabled

    Cluster1::> On ADP enabled systems you can juggle ownership at the partition level with the -root or -data options from the advanced priviledge level, if needed. Here's a link to some documentation on disk auto assignment: https://library.netapp.com/ecmdocs/ECMP1636022/html/GUID-03041BA5-F93B-434D-A0FC-E74C44C4D739.html