A user can create the service by entering the required information for Block Storage(BM) and selecting detailed options through the Samsung Cloud Platform Console.

Create Block Storage(BM)

You can create and use the Block Storage (BM) service in the Samsung Cloud Platform Console.

To create Block Storage (BM), follow the steps below.

1. All Services > Storage > Block Storage(BM) Click the menu. 1. Go to the Service Home page of Block Storage (BM).

2. On the Service Home page, click the Create Block Storage (BM) button. 2. Navigate to the Block Storage(BM) Creation page.

3. On the Block Storage(BM) Creation page, enter the information required to create the service and select detailed options.

   Category	Required	Detailed description
   Volume name	Required	Volume name must start with an English letter and be entered using English letters, numbers, and special characters (-) for 3~28 characters cannot be modified after service creation
   Disk type	Required	Select disk type SSD: High-performance general volume HDD: General volume Cannot be modified after service creation
   capacity	Required	Capacity setting Enter a number between 1~16,384GB Cannot be modified after service creation
   Max IOPS	Required	Enter the IOPS value Enter a number between 5,000~20,000 HDD type does not provide performance metric configuration functionality
   Max Throughput	Essential	Enter the throughput speed (MB/s) Enter a number between 250~1,000 HDD type does not provide performance metric setting functionality
   Availability Zone	Required	Select the Availability Zone to create resources within the region If you change the Availability Zone while a connection server has been added, the selected connection server will be reset
   Connection server	Required	Select Bare Metal Server connection Provide up to 8 Bare Metal Server connections No limit on the number of volumes that can be attached to a Bare Metal Server

   Table. Block Storage(BM) Service Information Input Items

4. Summary Check the detailed information and estimated billing amount generated in the panel, and click the Create button.

5. When the popup indicating creation opens, click the Confirm button.

   • Once creation is complete, check the created resources on the Block Storage(BM) List page.

Configure iSCSI

Volumes created by the user in addition to the OS default volume must be configured with iSCSI.

After checking the IP provided in the iSCSI information on the Block Storage (BM) Details page, follow the iSCSI configuration steps for each OS.

Linux operating system

1. Click the All Services > Storage > Block Storage(BM) menu. 1. Go to the Service Home page of Block Storage (BM).
2. On the Service Home page, click the Block Storage(BM) menu. 2. Block Storage(BM) List Navigate to the page.
3. On the Block Storage(BM) List page, click the resource to be used on the connected server. 3. Block Storage(BM) Details Navigate to the page.
4. After verifying the server in the Connection Server item, connect.
5. Refer to the procedure below to set up iSCSI.
   • Discover the connection information for Storage (target IP).
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     [root@localhost ~]# iscsiadm -m discovery -t st -p 10.40.40.41
     10.40.40.41:3260,1024 iqn.2000-05.com.3pardata:20210002ac026169
     
     [root@localhost ~]# iscsiadm -m discovery -t st -p 10.40.40.42
     10.40.40.42:3260,1025 iqn.2000-05.com.3pardata:20220002ac026169

     [root@localhost ~]# iscsiadm -m discovery -t st -p 10.40.40.41
     10.40.40.41:3260,1024 iqn.2000-05.com.3pardata:20210002ac026169
     
     [root@localhost ~]# iscsiadm -m discovery -t st -p 10.40.40.42
     10.40.40.42:3260,1025 iqn.2000-05.com.3pardata:20220002ac026169

   • Connect to the Storage (target IP). * If it is already connected, proceed to the next step.
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     [root@localhost ~]# iscsiadm -m node -p 10.40.40.41:3260 --login
     Logging in to [iface: default, target: iqn.2000-05.com.3pardata:20210002ac026169, portal: 10.40.40.41,3260] (multiple)
     Logging in to [iface: default, target: iqn.2000-05.com.3pardata:20210002ac026169, portal: 10.40.40.41,3260] (multiple)
     Login to [iface: default, target: iqn.2000-05.com.3pardata:20210002ac026169, portal: 10.40.40.41,3260] successful.
     Login to [iface: default, target: iqn.2000-05.com.3pardata:20210002ac026169, portal: 10.40.40.41,3260] successful
     
     [root@localhost ~]# iscsiadm -m node -p 10.40.40.42:3260 --login
     Logging in to [iface: default, target: iqn.2000-05.com.3pardata:20220002ac026169, portal: 10.40.40.42,3260] (multiple)
     Logging in to [iface: default, target: iqn.2000-05.com.3pardata:20220002ac026169, portal: 10.40.40.42,3260] (multiple)
     Login to [iface: default, target: iqn.2000-05.com.3pardata:20220002ac026169, portal: 10.40.40.42,3260] successful.
     Login to [iface: default, target: iqn.2000-05.com.3pardata:20220002ac026169, portal: 10.40.40.42,3260] successful.

     [root@localhost ~]# iscsiadm -m node -p 10.40.40.41:3260 --login
     Logging in to [iface: default, target: iqn.2000-05.com.3pardata:20210002ac026169, portal: 10.40.40.41,3260] (multiple)
     Logging in to [iface: default, target: iqn.2000-05.com.3pardata:20210002ac026169, portal: 10.40.40.41,3260] (multiple)
     Login to [iface: default, target: iqn.2000-05.com.3pardata:20210002ac026169, portal: 10.40.40.41,3260] successful.
     Login to [iface: default, target: iqn.2000-05.com.3pardata:20210002ac026169, portal: 10.40.40.41,3260] successful
     
     [root@localhost ~]# iscsiadm -m node -p 10.40.40.42:3260 --login
     Logging in to [iface: default, target: iqn.2000-05.com.3pardata:20220002ac026169, portal: 10.40.40.42,3260] (multiple)
     Logging in to [iface: default, target: iqn.2000-05.com.3pardata:20220002ac026169, portal: 10.40.40.42,3260] (multiple)
     Login to [iface: default, target: iqn.2000-05.com.3pardata:20220002ac026169, portal: 10.40.40.42,3260] successful.
     Login to [iface: default, target: iqn.2000-05.com.3pardata:20220002ac026169, portal: 10.40.40.42,3260] successful.

   • Delete all unused Storage (target IP) to minimize search time.
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     [root@localhost ~]# iscsiadm -m node show
     100.100.100.10:3260,1026 iqn.1992-08.com.netapp:sn.c9adbd09cf301d039ea2bc878:vs.3
     10.40.40.41:3260,1024 iqn.2000-05.com.3pardata:20210002ac026169
     10.40.40.42:3260,1025 iqn.2000-05.com.3pardata:20220002ac026169
     
     [root@localhost ~]# iscsiadm -m node -o delete -p 100.100.100.10:3260

     [root@localhost ~]# iscsiadm -m node show
     100.100.100.10:3260,1026 iqn.1992-08.com.netapp:sn.c9adbd09cf301d039ea2bc878:vs.3
     10.40.40.41:3260,1024 iqn.2000-05.com.3pardata:20210002ac026169
     10.40.40.42:3260,1025 iqn.2000-05.com.3pardata:20220002ac026169
     
     [root@localhost ~]# iscsiadm -m node -o delete -p 100.100.100.10:3260

   • Rescan to check the added Disk.
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     [root@localhost ~]# iscsiadm -m session --rescan
     Rescanning session [sid: 65, target: iqn.2000-05.com.3pardata:20210002ac026169, portal: 10.40.40.41,3260]
     Rescanning session [sid: 66, target: iqn.2000-05.com.3pardata:20210002ac026169, portal: 10.40.40.41,3260]
     Rescanning session [sid: 67, target: iqn.2000-05.com.3pardata:20220002ac026169, portal: 10.40.40.42,3260]
     Rescanning session [sid: 68, target: iqn.2000-05.com.3pardata:20220002ac026169, portal: 10.40.40.42,3260]

     [root@localhost ~]# iscsiadm -m session --rescan
     Rescanning session [sid: 65, target: iqn.2000-05.com.3pardata:20210002ac026169, portal: 10.40.40.41,3260]
     Rescanning session [sid: 66, target: iqn.2000-05.com.3pardata:20210002ac026169, portal: 10.40.40.41,3260]
     Rescanning session [sid: 67, target: iqn.2000-05.com.3pardata:20220002ac026169, portal: 10.40.40.42,3260]
     Rescanning session [sid: 68, target: iqn.2000-05.com.3pardata:20220002ac026169, portal: 10.40.40.42,3260]

   • Set Auto Login so that you are logged in automatically even after a reboot.
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     [root@localhost ~]# iscsiadm -m node --op=update -n node.conn[0].startup -v automatic
     [root@localhost ~]# iscsiadm -m node --op=update -n node.startup -v automatic

     [root@localhost ~]# iscsiadm -m node --op=update -n node.conn[0].startup -v automatic
     [root@localhost ~]# iscsiadm -m node --op=update -n node.startup -v automatic

   • Verify the configuration using the following command.
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     [root@localhost ~]# lsblk

     [root@localhost ~]# lsblk

Windows operating system

1. All Services > Storage > Block Storage(BM) Click the menu. 1. Go to the Service Home page of Block Storage (BM).
2. On the Service Home page, click the Block Storage(BM) menu. 2. Block Storage(BM) List Go to the page.
3. On the Block Storage(BM) List page, click the resource to be used on the connected server. 3. Block Storage(BM) Details Go to the page.
4. Connection Server item, check the server and then connect.
5. Proceed with iSCSI configuration by referring to the following procedure.
   • Open Command Prompt (Admin) and run powershell.
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     Windows PowerShell
     Copyright (C) Microsoft Corporation. All rights reserved.
     
     PS C:\Users> cd ..
     PS C:\>

     Windows PowerShell
     Copyright (C) Microsoft Corporation. All rights reserved.
     
     PS C:\Users> cd ..
     PS C:\>

   • Start the volume service.
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     PS C:\> Set-Service -Name MSiSCSI -StartupType Automatic
     PS C:\> Start-Service -Name MSiSCSI
     PS C:\> get-service -Name MSiSCSI |  select -Property Name, DisplayName, Status, StartType
     
     Name       DisplayName                           Status    StartType
     -------    --------------                        -------   -----------
     MSiSCSI    Microsoft iSCSI Initiator Service     Running   Automatic

     PS C:\> Set-Service -Name MSiSCSI -StartupType Automatic
     PS C:\> Start-Service -Name MSiSCSI
     PS C:\> get-service -Name MSiSCSI |  select -Property Name, DisplayName, Status, StartType
     
     Name       DisplayName                           Status    StartType
     -------    --------------                        -------   -----------
     MSiSCSI    Microsoft iSCSI Initiator Service     Running   Automatic

   • Install Multipath I/O. * If the Restart Needed item is set to Yes, a restart is required.
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     PS C:\> Install-WindowsFeature -name Multipath-IO
     
     Success   Restart Needed   Exit Code   Feature Result
     -------   --------------   ---------   -----------------
     True      No               Success     {Multipath I/O}

     PS C:\> Install-WindowsFeature -name Multipath-IO
     
     Success   Restart Needed   Exit Code   Feature Result
     -------   --------------   ---------   -----------------
     True      No               Success     {Multipath I/O}

   • Modify the Initiator Port Address. *
     If you are not an Active Directory member, skip this procedure. The Initiator Port Address needs to be modified only when it is an Active Directory member.
     
     • The iqn is generated based on the hostname, but when joined to Active Directory, it changes to DNS format.
       Since it is registered in Storage based on the default hostname, for iqn.1991-05.com.microsoft:iqn01.scp.com, iqn01 is the hostname. Remove the DNS information and change it to the name registered when creating the OS from the user Console, such as iqn.1991-05.com.microsoft:iqn01.
       
     • If you are not an AD member, no changes are required.
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       PS C:\> $address = (Get-InitiatorPort | select NodeAddress)
       PS C:\> echo $address
       NodeAddress
       -----------
       iqn.1991-05.com.microsoft:iqn01.scp.com
       
       PS C:\> Set-InitiatorPort -NodeAddress $address.NodeAddress -NewNodeAddress "iqn.1991-05.com.microsoft:iqn01"
       PS C:\> Get-InitiatorPort | select NodeAddress
       NodeAddress
       -----------
       iqn.1991-05.com.microsoft:iqn01

       PS C:\> $address = (Get-InitiatorPort | select NodeAddress)
       PS C:\> echo $address
       NodeAddress
       -----------
       iqn.1991-05.com.microsoft:iqn01.scp.com
       
       PS C:\> Set-InitiatorPort -NodeAddress $address.NodeAddress -NewNodeAddress "iqn.1991-05.com.microsoft:iqn01"
       PS C:\> Get-InitiatorPort | select NodeAddress
       NodeAddress
       -----------
       iqn.1991-05.com.microsoft:iqn01

   • Set the Storage (target Portal) address as a variable.
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     PS C:\> $TargetPortalAddresses = @("10.40.40.41", "10.40.40.42")

     PS C:\> $TargetPortalAddresses = @("10.40.40.41", "10.40.40.42")

   • Discover the Storage (target Portal).
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     PS C:\> Foreach ($TargetPortalAddress in $TargetPortalAddresses){
         New-IscsiTargetPortal -TargetPortalAddress $TargetPortalAddress
     }
     InitiatorInstanceName   :
     InitiatorPortalAddress  :
     IsDataDigest            : False
     IsHeaderDigest          : False
     TargetPortalAddress     : 10.40.40.41
     TargetPortalPortNumber  : 3260
     PSComputerName          :
     
     InitiatorInstanceName   :
     InitiatorPortalAddress  :
     IsDataDigest            : False
     IsHeaderDigest          : False
     TargetPortalAddress     : 10.40.40.42
     TargetPortalPortNumber  : 3260
     PSComputerName          :

     PS C:\> Foreach ($TargetPortalAddress in $TargetPortalAddresses){
         New-IscsiTargetPortal -TargetPortalAddress $TargetPortalAddress
     }
     InitiatorInstanceName   :
     InitiatorPortalAddress  :
     IsDataDigest            : False
     IsHeaderDigest          : False
     TargetPortalAddress     : 10.40.40.41
     TargetPortalPortNumber  : 3260
     PSComputerName          :
     
     InitiatorInstanceName   :
     InitiatorPortalAddress  :
     IsDataDigest            : False
     IsHeaderDigest          : False
     TargetPortalAddress     : 10.40.40.42
     TargetPortalPortNumber  : 3260
     PSComputerName          :

   • Connect the disk (target).
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     PS C:\> Foreach ($TargetPortalAddress in $TargetPortalAddresses){
         Get-IscsiTarget | Connect-IscsiTarget -IsMultipathEnabled $true -IsPersistent $true -TargetPortalAddress $TargetPortalAddress
     }
     AuthenticationType      : NONE
     InitiatorInstanceName   : ROOT\ISCSIPRT\0000_0
     InitiatorNodeAddress    : iqn.1991-05.com.microsoft:iqn01
     InitiatorPortalAddress  : 0.0.0.0
     InitiatorSideIdentifier : 400001370000
     IsConnected             : True
     IsDataDigest            : False
     IsDiscovered            : True
     IsHeaderDigest          : False
     IsPersistent            : True
     NumberOfConnections     : 1
     SessionIdentifier       : ffffcd0b7ba58010-4000013700000006
     TargetNodeAddress       : iqn.1992-08.com.netapp:sn.f807925eeae311ec9270d039ea38b250:vs.3
     TargetSideIdentifier    : 1100
     PSComputerName          :
     
     AuthenticationType      : NONE
     InitiatorInstanceName   : ROOT\ISCSIPRT\0000_0
     InitiatorNodeAddress    : iqn.1991-05.com.microsoft:iqn01
     InitiatorPortalAddress  : 0.0.0.0
     InitiatorSideIdentifier : 400001370002
     IsConnected             : True
     IsDataDigest            : False
     IsDiscovered            : True
     IsHeaderDigest          : False
     IsPersistent            : True
     NumberOfConnections     : 1
     SessionIdentifier       : ffffcd0b7ba58010-4000013700000007
     TargetNodeAddress       : iqn.1992-08.com.netapp:sn.f807925eeae311ec9270d039ea38b250:vs.3
     TargetSideIdentifier    : 1000
     PSComputerName          :IsHeaderDigest         : False
     TargetPortalAddress     : 10.40.40.42
     TargetPortalPortNumber  : 3260
     PSComputerName          :

     PS C:\> Foreach ($TargetPortalAddress in $TargetPortalAddresses){
         Get-IscsiTarget | Connect-IscsiTarget -IsMultipathEnabled $true -IsPersistent $true -TargetPortalAddress $TargetPortalAddress
     }
     AuthenticationType      : NONE
     InitiatorInstanceName   : ROOT\ISCSIPRT\0000_0
     InitiatorNodeAddress    : iqn.1991-05.com.microsoft:iqn01
     InitiatorPortalAddress  : 0.0.0.0
     InitiatorSideIdentifier : 400001370000
     IsConnected             : True
     IsDataDigest            : False
     IsDiscovered            : True
     IsHeaderDigest          : False
     IsPersistent            : True
     NumberOfConnections     : 1
     SessionIdentifier       : ffffcd0b7ba58010-4000013700000006
     TargetNodeAddress       : iqn.1992-08.com.netapp:sn.f807925eeae311ec9270d039ea38b250:vs.3
     TargetSideIdentifier    : 1100
     PSComputerName          :
     
     AuthenticationType      : NONE
     InitiatorInstanceName   : ROOT\ISCSIPRT\0000_0
     InitiatorNodeAddress    : iqn.1991-05.com.microsoft:iqn01
     InitiatorPortalAddress  : 0.0.0.0
     InitiatorSideIdentifier : 400001370002
     IsConnected             : True
     IsDataDigest            : False
     IsDiscovered            : True
     IsHeaderDigest          : False
     IsPersistent            : True
     NumberOfConnections     : 1
     SessionIdentifier       : ffffcd0b7ba58010-4000013700000007
     TargetNodeAddress       : iqn.1992-08.com.netapp:sn.f807925eeae311ec9270d039ea38b250:vs.3
     TargetSideIdentifier    : 1000
     PSComputerName          :IsHeaderDigest         : False
     TargetPortalAddress     : 10.40.40.42
     TargetPortalPortNumber  : 3260
     PSComputerName          :

   • Refresh the Storage (target) information.
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     PS C:\> Update-IscsiTarget

     PS C:\> Update-IscsiTarget

   • Register the Multipath I/O DSM and create an MPIO Disk. *
     Inquiries occur when a reboot is required during MPIO disk creation. Press Y or the Enter key to reboot.
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     PS C:\> New-MSDSMSupportedHW -VendorId MSFT2005 -ProductId iSCSIBusType_0x9
     PS C:\> Update-MPIOClaimedHW
     
     Confirm
     Are you sure you want to perform this action?
     The operation may require a system restart.
     [Y] Yes  [A] Yes to All  [N] No  [L] No to All  [S] Suspend  [?] Help (default is "Y"):
     False

     PS C:\> New-MSDSMSupportedHW -VendorId MSFT2005 -ProductId iSCSIBusType_0x9
     PS C:\> Update-MPIOClaimedHW
     
     Confirm
     Are you sure you want to perform this action?
     The operation may require a system restart.
     [Y] Yes  [A] Yes to All  [N] No  [L] No to All  [S] Suspend  [?] Help (default is "Y"):
     False

   • Check the list and path of Multipath I/O Disks. *
     You can view MPIO disk information using the mpclaim.exe command. Enter the generated MPIO disk number to view the disk path and status.
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     PS C:\> mpclaim.exe -s -d
     For more information about a particular disk, use 'mpclaim -s -d #' where # is the MPIO disk number.
     
     MPIO Disk    System Disk  LB Policy    DSM Name
     -------------------------------------------------------------------------------
     MPIO Disk3   Disk 1       RR           Microsoft DSM
     
     PS C:\> mpclaim.exe -s -d 3
     MPIO Disk3: 02 Paths, Round Robin, Symmetric Access
         Controlling DSM: Microsoft DSM
         SN: 600A098038314853475D543544614131
         Supported Load Balance Policies: FOO RR RRWS LQD WP LB
     
         Path ID          State              SCSI Address      Weight
         ---------------------------------------------------------------------------
         0000000077040001 Active/Optimized   004|000|001|000   0
             TPG_State : Active/Optimized  , TPG_Id: 1000, : 25
     
         0000000077040000 Active/Optimized   004|000|000|000   0
             TPG_State : Active/Optimized  , TPG_Id: 1001, : 26

     PS C:\> mpclaim.exe -s -d
     For more information about a particular disk, use 'mpclaim -s -d #' where # is the MPIO disk number.
     
     MPIO Disk    System Disk  LB Policy    DSM Name
     -------------------------------------------------------------------------------
     MPIO Disk3   Disk 1       RR           Microsoft DSM
     
     PS C:\> mpclaim.exe -s -d 3
     MPIO Disk3: 02 Paths, Round Robin, Symmetric Access
         Controlling DSM: Microsoft DSM
         SN: 600A098038314853475D543544614131
         Supported Load Balance Policies: FOO RR RRWS LQD WP LB
     
         Path ID          State              SCSI Address      Weight
         ---------------------------------------------------------------------------
         0000000077040001 Active/Optimized   004|000|001|000   0
             TPG_State : Active/Optimized  , TPG_Id: 1000, : 25
     
         0000000077040000 Active/Optimized   004|000|000|000   0
             TPG_State : Active/Optimized  , TPG_Id: 1001, : 26

   • Check in Disk Management.

Block Storage(BM) Check detailed information

Block Storage(BM) service allows you to view and edit the full resource list and detailed information. Block Storage(BM) Details page consists of the Detailed Information, Snapshot List, Replication, Operation History tabs.

To view detailed information about the Block Storage(BM) service, follow these steps.

1. Click the All Services > Storage > Block Storage(BM) menu. 1. Go to the Service Home page of Block Storage (BM).
2. On the Service Home page, click the Block Storage(BM) menu. 2. Go to the Block Storage(BM) List page.
3. On the Block Storage(BM) List page, click the resource to view detailed information. 3. Block Storage(BM) Details Navigate to the page.
   • The Block Storage(BM) Details page displays status information and additional feature information, and consists of Details, Snapshot List, Replication, Tags, Operation History tabs.

     Category	Detailed description
     Volume status	볼륨의 상태 Creating: In progress Available: Creation complete, server connection available Attaching: Connecting to server Detaching: Disconnecting from server In Use: Server connection established Deleting: Service termination in progress Editing: Changing settings Error Deleting: Abnormal state during deletion Error: Abnormal state during creation
     Clone creation	Create a replica in a different location For detailed information on creating a replica, see 복제 생성하기
     Create snapshot	Create a snapshot at a specific point in time For detailed information on snapshot creation, see 스냅샷 생성하기
     Service cancellation	Button to cancel the service

     Table. Status information and additional features

Detailed Information

Block Storage(BM) List page allows you to view detailed information of the selected resource and, if necessary, edit the information.

Snapshot List

Block Storage(BM) List page lets you view the snapshot of the selected resource.

Replication

On the Block Storage(BM) List page, you can view the replication information of the selected resource.

Tag

Block Storage (BM) List page lets you view, add, modify, or delete the tag information of the selected resource.

Operation History

Block Storage(BM) List page allows you to view the operation history of the selected resource.

Block Storage(BM) Managing Resources

If you need to modify the settings of a created Block Storage(BM) or add or remove a connected server, you can perform the operation on the Block Storage(BM) Details page.

Edit volume name

You can edit the volume name. To modify the volume name, follow these steps.

1. All Services > Storage > Block Storage(BM) Click the menu. 1. Go to the Service Home page of Block Storage (BM).
2. On the Service Home page, click the Block Storage(BM) menu. 2. Block Storage(BM) List Navigate to the page.
3. Block Storage (BM) List Click the resource to edit the volume name on the page. 3. Block Storage(BM) Details Navigate to the page.
4. Volume Name’s Edit button, click it. 4. Edit Volume Name the popup window opens.
5. Enter the volume name and click the Confirm button.

Expand Capacity

You can expand the volume capacity. To increase capacity, follow the steps below.

1. All Services > Storage > Block Storage(BM) Click the menu. 1. Go to the Service Home page of Block Storage (BM).
2. On the Service Home page, click the Block Storage(BM) menu. 2. Go to the Block Storage(BM) List page.
3. Block Storage(BM) List Click the resource to expand capacity on the page. 3. Block Storage(BM) Details Go to the page.
4. Click the Capacity Edit button. 4. Capacity Edit The popup window opens.
5. After adding the capacity you want to expand (1/~16,384 GB) to the current capacity and entering the total capacity, click the Confirm button.

Modify snapshot size

You can modify the capacity of the snapshot storage space. To modify the snapshot capacity, follow these steps.

1. All Services > Storage > Block Storage(BM) Click the menu. 1. Go to the Service Home page of Block Storage (BM).
2. On the Service Home page, click the Block Storage(BM) menu. 2. Navigate to the Block Storage(BM) List page.
3. Block Storage (BM) List page, click the resource to modify the snapshot capacity. 3. Block Storage(BM) Details Navigate to the page.
4. Click the Edit button for the Snapshot Capacity item. 4. Edit Snapshot Capacity A popup window opens.
5. Set the Use status and Generation Capacity (%), and click the Confirm button.
   • Generation Capacity (%) can be selected in increments of 50 between 100 and ~500.

Edit Snapshot Schedule

You can modify the snapshot auto-creation interval. To modify the snapshot schedule, follow these steps.

1. Click the All Services > Storage > Block Storage(BM) menu. 1. Go to the Service Home page of Block Storage (BM).
2. On the Service Home page, click the Block Storage(BM) menu. 2. Block Storage(BM) List Navigate to the page.
3. Block Storage (BM) List page, click the resource to edit the snapshot schedule. 3. Block Storage(BM) Details Navigate to the page.
4. Click the Edit button of the Snapshot Schedule item. 4. Edit Snapshot Schedule The popup window opens.
5. Set the snapshot auto‑creation status and creation interval, and click the Confirm button.
   • If you want to automatically create snapshots based on the Generation interval, select Automatic creation as Enabled.
   • Generation cycle is daily, hourly selectable, or weekly, day of week, hourly selectable.

Max IOPS Update

You can modify the Max IOPS value. To modify the Max IOPS value, follow these steps.

1. All Services > Storage > Block Storage(BM) Click the menu. 1. Go to the Service Home page of Block Storage (BM).
2. On the Service Home page, click the Block Storage(BM) menu. 2. Block Storage(BM) List Go to the page.
3. On the Block Storage(BM) List page, click the resource to modify the IOPS value. 3. Block Storage(BM) Details Navigate to the page.
4. Click the Edit button for Max IOPS. 4. Max IOPS Edit The popup window opens.
5. After entering the Max IOPS value to change, click the Confirm button.
   • You can enter a Max IOPS value between 5,000 and 20,000.

Edit Max Throughput

You can modify the Max Throughput speed. To modify the Max Throughput speed, follow these steps.

1. Click the All Services > Storage > Block Storage(BM) menu. 1. Go to the Service Home page of Block Storage (BM).
2. On the Service Home page, click the Block Storage(BM) menu. 2. Navigate to the Block Storage(BM) List page.
3. On the Block Storage(BM) List page, click the resource to modify the Throughput speed. 3. Block Storage(BM) Details Navigate to the page.
4. Click the Edit button of Max Throughput. 4. Edit Max Throughput The popup window opens.
5. After entering the Max Throughput speed to change, click the Confirm button.
   • Max Throughput speed can be set to a value between 250 ~ 1,000.

Edit connection server

You can connect or disconnect the Bare Metal Server, Multi Node GPU Cluster. To modify the connection server, follow these steps.

1. Click the All Services > Storage > Block Storage(BM) menu. 1. Go to the Service Home page of Block Storage (BM).
2. On the Service Home page, click the Block Storage(BM) menu. 2. Navigate to the Block Storage(BM) List page.
3. On the Block Storage(BM) List page, click the resource to edit the connected server. 3. Block Storage(BM) Details Navigate to the page.
4. If adding a connection server, click the Add button in the Connection Server item. 4. Add Connection Server The popup window opens.
5. After selecting the server you want to connect to, click the Confirm button.
6. If you are disconnecting the server, click the Disconnect button in the Connection Server item.
   • Be sure to connect to the server, perform the disconnect operation (Umount, Disk Offline), and then disconnect.

Block Storage(BM) Cancel

You can reduce operating costs by terminating unused Block Storage(BM). However, if you terminate the service, the running service may be stopped immediately, so you should proceed with the termination only after fully considering the impact that may arise from the service interruption.

To cancel Block Storage, follow the steps below.

1. All Services > Storage > Block Storage(BM) Click the menu. 1. Go to the Service Home page of Block Storage (BM).
2. On the Service Home page, click the Block Storage(BM) menu. 2. Go to the Block Storage(BM) List page.
3. On the Block Storage(BM) List page, select the resource to terminate, and click the Terminate Service button.
   • After navigating to the detailed page of the resource to be terminated, you can also terminate it individually by clicking the Cancel Service button.
4. When the pop-up notifying service termination opens, enter Delete and then click the Confirm button.
5. When termination is complete, check on the Block Storage(BM) List page whether the resource has been terminated.