FAQ
How to upgrade an N2WS server from Ubuntu 18 to Ubuntu 18 Pro
Before starting, make sure you know how to redeploy the server in case of issues during OS upgrade. In addition, Linux knowledge is Required. There are additional costs charged by AWS when using Ubuntu Pro, see this link for pricing details. Warning: ...
EBS DR backup fails with No matching KMS alias on target region
Issue: encrypted EBS backup to DR region is failing with following error: Solution: When the N2WS server is backing up an encrypted volume, the snapshot will be automatically encrypted with the same KMS key, When the server will then try to copy that ...
EFS require additional permissions
Issues: Due to recent AWS changes, you might need to add additional permissions to the relevant IAM policies. Action required We are updating Amazon EFS such that a principal applying tags to an EFS resource on creation (For example, a file system or ...
How to cancel AWS marketplace subscription (Standard/Advanced/Enterprise).
Background This KB will explain how to cancel N2WS AWS Marketplace editions (Standard/Advanced/Enterprise). Please note: If you purchased license directly from sale (BYOL edition), you will also need to contact the Sales Department at sales@n2ws.com. ...
Error: "Security type of VM is not compatible with the security type of attached OS Disk." During Recovery in Azure
When performing a recovery of a VM In Azure, you may face the following Error in the CPM UI: "Security type of VM is not compatible with the security type of attached OS Disk." Also the logs will show the following error: "Failed creating virtual ...
N2WS-21826 - Remove the Autocomplete attribute
Issue: This patch remove the Autocomplete attribute from the login HTML form Solution: Patch for v4.1.1a is available and attached to this KB. Click here to go back to the Release notes: Release notes for the latest v4.1.x CPM release
S3 Sync cross account failing due to AccessDenied error
Issue: When doing cross account S3 sync, it fails due to missing permissions on the bucket copy failed: s3://mybucketname//file_name.txt to s3://other_bcuket//file_name.txt An error occurred (AccessDenied) when calling the CopyObject operation: ...
Restore from S3 is launching the worker in the wrong subnet.
Background A user may configure workers for S3 copy and File level restores, but when doing a restore from S3 the worker may get launched in a subnet other than what is defined in the Worker configuration screen in the CPM Console. This is the ...
S3Sync: Source bucket: prod_bucket_A to Destination bucket: prod_bucket_B failed fatal error:S3SYNC An error occurred (AccessDenied) when calling the ListObjectsV2 operation: Access Denied
When trying to synchronize two buckets in CPM I get the following error message. S3Sync: Source bucket: Prod_bucket to Destination bucket: Dev_bucket failed fatal error: S3SYNC An error occurred (AccessDenied) when calling the ListObjectsV2 ...
Backup partially successful because "following app-aware agents are not connected: i-123456789ae"
Error Sometimes backup of windows instance might complete with partially successful status and the below info message in the UI logs Following 'app-aware' agents are not connected: i-0f9e26a91aca8e4d7. for example: Solution This info message means ...
Read Only user for RDS to S3 feature
Info Starting at version 4.x, N2WS now support exporting RDS MySQL database to S3 for long term cost saving, this is done using two steps: Using the existing AWS RDS export to S3 feature to copy the data to the S3 bucket Exporting the schema ( as ...
CPM installation may fail when the instance is fronted by an Elastic Load Balancer (ELB) or an Application Load Balancer (ALB)
Background: By default when creating a new AWS Elastic Load Balancer (ELB) or an Application Load Balancer (ALB) it has a default timeout of 60 seconds. During the CPM installation this timeout value can be exceeded and cause the CPM installation to ...
RDS2S3
TBD
Warning - Glacier restoration cost
When restoring backups from glacier, The data must first be copied to S3 (‘retrieved’) before it can be accessed. You need to be careful about the restoration cost, which can be affected by the selected Tier and days to keep From our user guide: The ...
cpmdata policy might fail with error volume does not exist
Issue: If the volumeID of the CPMDATA volume(EBS) changes (due to restoring CPM from snapshot for example), This might cause the cpmdata policy to fail, still showing the old VolumeID: Solution: try to run cpmdata policy ASAP
Recovering windows instance might fail with error: The request must contain the parameter ImageID
Issue: When recovering instance from DR account to DR account, it might fail with the following error in logs: 2020-09-22 00:16:35,135:[140237924660992][----------] ERROR: execute_api_call(__init__.py:140) Failed calling ec2.run_instances (region: ...
Cross account DR of EFS may fail with error: Error: EFS DR, backup fs-xxxxxxxx missing matching vault name on target region US West (Oregon) (original vault: Default)
Problem: When doing a DR copy of EFS file systems across regions the following error may occur: Error: EFS DR, backup fs-ea2d99a2 missing matching vault name on target region US West (N. California) (original vault: Default) Resolution: EFS Backup ...
Error on CPM thin agent install: Service failed to start due to insufficient privilege error
If you try to install a new CPM Agent (thin agent) used for VSS backups onto a Windows system that has an old version of the client installed, you will get the following error during the installation process when Windows attempts to start the ...
Getting started with N2WS version 3.0.x
Background In this guide you can find few materials such as videos, documents and Articles to help you get started with N2WS backup & recovery version 3.0.0. For the full information about the product, please have a look at our N2WS ...
How cleanup works and why it might not delete snapshots older than the defined retention in CPM 3.0 and above
Background This KB Article will explain how the cleanup process works and why sometimes cleanup might not delete old snapshots It includes following sections: About the cleanup process Why Cleanup might not delete old snapshots Examples About the ...
Must Gather information for CPM: how to collect relevant details for support.
When opening a support ticket, please provide the following information. You can attach the collected files (preferably in a single archive) to the ticket or an email reply (up to 20MB). For larger files, please ask the support team for FTP ...
How to update the Apache or MySQL version on a CPM instance.
The only supported methodology to upgrade the CPM instance's version of the Apache Webserver or MySQL Database is to upgrade the version of CPM using the AMI method for upgrading. This is the only supported way to upgrade these underlying components ...
How to encrypt the N2WS server instance with a custom KMS on a Silent Install
This KB will show you how to encrypt the N2WS server instance with a custom KMS using the silent install option. More information on how to use the silent install can be found in our user guide here : https://n2ws.com/support/documentation The ...
CPM cleanup may fail with delete operation failed. Reason: The snapshot is currently in use by ami- ######## (error: InvalidSnapshot.InUse)
2019-09-30 23:16:54,583:[140578705110784][----------] ERROR: append_records_to_volumes_snaps_deleted_list(agent.py:3615) Failed to delete snapshot snap-47212b19 (policy Daily_Snaps), delete operation failed. Reason: The snapshot snap-472ce123 is ...
Best practice for S3 backups' frequency and retention
S3 backups are meant for low-frequency (weekly,monthly, yearly), long-term (over 3 months) retention backups. You can see our recommendation for S3 backup ...
How To Test Connectivity from a CPM Worker to AWS endpoints
The Following Steps will help you Test the outgoing connection from the CPM Worker to AWS endpoints OR the CPM Server if you need to test to ensure that the Worker can reach the CPM server once it launches. Launch Worker First, ensure the CPM Worker ...
Backup to s3 may fail with error "Amazon REST error: 'S3 error: The operation is not valid for the object's storage class"
Backup to s3 may fail with error "Amazon REST error: 'S3 error: The operation is not valid for the object's storage class" In worker logs you may find this error: Amazon REST error: 'S3 error: The operation is not valid for the object's storage ...
How to change instance type of S3 worker instances CPM
Some clients may need worker instances with more ram and CPU power. You can use this process to modify the ec2 instance type used for worker instances. We highly recommend not to change size unless it was suggested by the N2WS support team. Otherwise ...
IDP settings, selecting "custom IP or DNS" results in error 500 after update to v2.4.0
While trying to set custom IP/DNS in the IDP settings of CPM, applying the settings may result in a HTTP error 500. If you are facing this issue, please update to the latest version of CPM, 2.5.0 Reference defect number – N2WS-4989, fixed in v2.5 ...
How to retrieve logs from a CPM AWS Worker instance
Linux & AWS knowledge is required Please read the entire KB before starting. N2WS uses temporary EC2 worker instances for several operations (copy to S3, FLR, etc), In cases where a worker is failing before it could communicate with the main server, ...
Cannot complete server configuration "please attach an IAM role to continue" - converting an IAM user to an IAM role
On a new install or after upgrading CPM, you may be met with an error on step 3 of initial configuration which does not allow you to proceed. "It seems this instance does not have an IAM role associated with it. Please attach an IAM role to continue" ...
"Unprotected resources" report creation may be constantly reported in the Daily Summary
Issue: In the Daily Summary email report, you may see this message repeating: Info - The unprotected resources report creation is complete. Info - The unprotected resources report creation is complete. Info - The unprotected resources report ...
CPM may replicate the same snapshot multiple times, causing error 500 during restore from a DR region/account.
Issue: CPM may replicate the same snapshot multiple times with the same Volume ID. This may cause an issue when restoring and you may get an HTTP error 500 during restore from a DR region/account. Solution: If you face this issue, please upgrade to ...
Backup may fail with the "The snapshot 'snap-01234567890abcdef' does not exist" error.
Issue: Backup fails with the following errors in the backup log, MM-DD-YY HH:MM:SS - Error - Failed creating all tags for snapshot snap-01234567890abcdef (AMI ami-01234567890abcdef, instance i-01234567890abcdef) MM-DD-YY HH:MM:SS - Error - Backup is ...
Instance recovery may fail if volume over 1024GB is restored.
Issue: Instance recovery appears successful in cpm, but when viewing in ec2, the restored instance is terminated with : State transition reason message Client.InvalidParameterCombination: Could not create volume with size 1025GiB from snapshot ...
DR may remain stuck in "In Progress" state forever
Issue: DR copy may remain “in progress” indefinitely due to a bug, this can result in more snapshots than set in the target region. Solution: If you face this issue, please upgrade to latest 2.X.X version Reference defect number – N2WS-4032, fixed in ...
Instance restore may be marked "successful", despite failing to restore a volume
Issue: A cross account restore of an encrypted volume or instance may be marked successful, however a Volume has failed to restore. Fix: If you face this issue, please upgrade to latest 2.X.X version Reference defect number – N2WS-1168, fixed in ...
User Data may be restored incorrectly during instance recovery
Issue: When using an executable script in “User Data” during an instance recovery, the script does not appear on the restored instance as intended. Example: Before instance restore: After instance restore: Fix: If you face this issue, please upgrade ...
How to update the AWS Role or IAM User Permissions for CPM 2.x
Background: This document details the steps needed to update the CPM IAM Role or IAM User Permissions. This is often needed when upgrading to a newer version of CPM as added functionality requires additional AWS Permissions. For details on changes to ...
CPM Upgrade Procedure
Background: The purpose of this document is to provide the best practices for upgrading the Cloud Protection Manager (CPM) instance to the latest version. The following procedure details the steps ...
Next page