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Druva Documentation

DRaaS support matrix, prerequisites, and limitations

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Support Matrix (Phoenix AWS proxy 4.8.0 and later)

If you have deployed Phoenix AWS proxy 4.8.0 and later, Phoenix DRaaS supports failover on the following operating systems:

Operating system

Editions

File System

Partition Type

Windows (64-bit)

  • Microsoft Windows Server 2019 (Standard, Datacenter)
  • Microsoft Windows Server 2016 (Standard, Datacenter)
  • Microsoft Windows Server 2012 R2 (Standard, Datacenter)
  • Microsoft Windows Server 2012 (Standard, Datacenter)
  • Microsoft Windows Server 2008 R2 (Standard, Datacenter)
  • Microsoft Windows Server 2008 (Standard, Datacenter)

NTFS

ReFS

 

Primary/Extended/Dynamic (data disk only)

Linux (64-bit)

  • Red Hat Enterprise Linux (RHEL) 6.3, 6.9, 6.10 , 7.0 , 7.1-7.5
  • CentOS 5.3, 5.11, 6.3, 6.9, 6.10 ,  7.0 , 7.1-7.5
  • Ubuntu 14.04, 16.04
  • SUSE Linux Enterprise Server 11 SP 1 , 11 SP 4 , 12 , 12 SP 3 

EXT2/EXT3/EXT4/XFS

 

Primary/Extended

Notes

  • Windows:

    • Phoenix supports disaster recovery of virtual machines with BIOS system initializer only. Unified Extensible Firmware Interface (UEFI) is not supported.

    • GPT based primary partition is not supported for disaster recovery.

    • Virtual disks alone are not supported for disaster recovery.

    • Extended partition is not supported for failover.

    • Phoenix DRaaS does not support failover on the FAT and FAT 32.

  • Linux:

    • Linux RAID configuration is not supported.

    • Phoenix supports disaster recovery of virtual machines with BIOS system initializer only. Unified Extensible Firmware Interface (UEFI) is not supported.

If you have deployed backup proxy 4.8.4 and later, Phoenix DRaaS supports failback on the following operating systems:

Operating system

Editions

File System

Partition Type

Windows (64-bit)

  • Microsoft Windows Server 2019 (Standard, Datacenter)
  • Microsoft Windows Server 2016 (Standard, Datacenter)
  • Microsoft Windows Server 2012 R2 (Standard, Datacenter)
  • Microsoft Windows Server 2012 (Standard, Datacenter)
  • Microsoft Windows Server 2008 R2 (Standard, Datacenter)
  • Microsoft Windows Server 2008 (Standard, Datacenter)

NTFS

ReFS

 

 

Primary/GPT/MBR/Dynamic disk

Linux (64-bit)

  • Red Hat Enterprise Linux (RHEL) 6.3, 6.9, 6.10 , 7.0-7.5
  • CentOS 5.3, 5.11, 6.3, 6.9, 6.10 ,  7.0 , 7.1-7.5
  • Ubuntu 14.04, 16.04
  • SUSE Linux Enterprise Server 11 SP 1, 11 SP 4, 12, 12 SP 3

EXT2/EXT3/EXT4/LVM/XFS

Primary/Extended

Notes:

  • Windows:

    • Phoenix DRaaS does not support failback on the FAT and FAT 32.

    • Phoenix DRaaS does not support failback on the Extended partition on Windows.

    • Phoenix DRaaS supports failback on the GPT based partition, however, the GPT disk gets converted to the MBR partition.

    • Phoenix DRaaS supports failback on the Dynamic disk. During failback, Phoenix DRaaS converts the dynamic disk to basic disk.

    • Phoenix supports disaster recovery of virtual machines with BIOS system initializer only. Unified Extensible Firmware Interface (UEFI) is not supported.

  • Linux:

    • Linux RAID configuration is not supported.

    • Phoenix supports disaster recovery of virtual machines with BIOS system initializer only. Unified Extensible Firmware Interface (UEFI) is not supported.

Supported AWS regions

Druva supports the following AWS regions for disaster recovery:

  • AWS GovCloud (US West)

  • US East (N. Virginia)

  • US West (N. California)

  • US West (Oregon)

  • EU (Ireland)

  • EU (Frankfurt)

  • Asia Pacific (Tokyo)

  • Asia Pacific (Mumbai)

  • Asia Pacific (Singapore)

  • Asia Pacific (Sydney)

  • South America  (Sao Paulo)

  • Canada (Central)

  • EU (London)

  • Asia Pacific (Hong Kong)

  • Europe (Paris)

In addition, AWS provides other regions that Druva can support for disaster recovery. For more information on regions that AWS provides, see Global Cloud Infrastructure. To know more about the regions that Druva can support for disaster recovery, but are not listed in the previous list, contact Druva Support.

Supported AWS instance types

The following instance types are supported for failover:

Instance Family Supported instance types
General

m4.xlarge, m4.large , m4.2xlarge , m4.4xlarge , m4.10xlarge , m4.16xlarge

t2.micro , t2.small , t2.medium , t2.large , t2.xlarge , t2.2xlarge

Compute optimized c4.large , c4.xlarge , c4.2xlarge , c4.4xlarge , c4.8xlarge 
Accelerated Computing  g3.4xlarge , g3.8xlarge , g3.16xlarge ,  g2.2xlarge , g2.8xlarge 
Memory optimized  r4.large , r4.xlarge , r4.2xlarge , r4.4xlarge , r4.8xlarge , r4.16xlarge 
Storage optimized

 d2.xlarge , d2.2xlarge , d2.4xlarge , d2.8xlarge ,

 i2.xlarge , i2.2xlarge , i2.4xlarge , i2.8xlarge ,

 i3.large , i3.xlarge , i3.2xlarge , i3.4xlarge , i3.8xlarge , i3.16xlarge

Phoenix DRaaS prerequisites if you are using Phoenix AWS proxy version 4.8.0 or later

  • Recommended instance types:
    To create Phoenix AWS proxy, it is recommended that you select instance size/family with the following configuration: 8 CPUs, 16 GB memory, 3500 Mbps bandwidth, 10,000 IOPS. For example:

    • General purpose: m4.xlarge | m4.2xlarge | m4.4xlarge | m4.8xlarge | m4.10xlarge | m5.xlarge | m5.2xlarge | m5.4xlarge | m5.12xlarge | m5.24xlarge

    • Compute optimized: c5.2xlarge | c5.4xlarge | c5.9xlarge | c5.18xlarge | c5n.large 

  • You have set up the respective AWS Cloud/GovCloud account.

  • AWS account must have required permissions to create IAM Policy to delegate access to the AWS resources.

  • AWS account must have permissions to create multiple S3 buckets for each region.

  • Subnet entered in failover settings for each virtual machine should be able to reach AWS services like SQS and S3.

  • Security group should be selected appropriately if SSH/RDP is required.

  • All instances launched in public subnet must have a public IP address and the instances launched in private subnet must not have a public IP address.

  • Elastic public IPs should be selected based on available Elastic IPs in the AWS account.

  • Static private IP should be selected appropriately based on the subnet’s Classless Inter-Domain Routing (CIDR) block.

  • IAM role should have the same policies as that available on Phoenix Management Console.

  • VM should have a minimum of 1 GB free space on the boot partition.

  • If the VM has an outdated Kernel, it will be updated on failover.

Virtual machine prerequisites if you are using Phoenix AWS Proxy version 4.8.0 or later

Before you set up Phoenix DRaaS, go through the following:

  • In case of Linux virtual machines, if there are any devices in fstab mounted at the time of booting up, those devices will not be available in the EC2 instance created after failover.

  • Virtual machine must not have multi-boot partitions.

  • Virtual machine must not boot in the recovery mode.

  • Disks should be online and formatted for Windows.

  • Disks should be formatted and mounted for Linux.

  • "/" and "/boot" should be on the same disk for Linux.

Limitations (for Phoenix AWS proxy version 4.8.0 or later)

AWS Limitations

  • VMDK disk size should not be greater than 16TB - EBS volume supports up to 16TB.

Phoenix AWS Proxy Limitations

  • The update DR copy job does not support restore of VM having the number of VMDKs more than 21. To be able to successfully restore a VM with 21 VMDKs ensure that only one update DR copy job is running on Phoenix AWS Proxy.
  • Update DR copy job fails if the VM uses EFI/UEFI as its system initializer firmware.

Failover Limitations

  • DR failover does not support multiple NICs. Failover Instance will have only one NIC with Public-IP and Private-IP as configured in failover settings of the DR plan.
  • The Asia Pacific (Hong Kong) region does not support the following instances for failover: t2, c4, m4, g2, g3, and i2.  A failover job triggered for any of these EC2 instances in the HongKong region will fail. Select instance type d2 and i3 instance families for HongKong region while configuring the DR failover setting.
  •  The Paris region supports only the following instances for failover: t2, t3, m5ad, m5d, m5, c5, g4dn, r5ad, r5a, r5, r4, d2, i3. A failover job triggered for any other EC2 instances in the Paris region will fail. Select instance type m4,i2,c4,g2, g3 instance families for the Paris region while configuring the DR failover setting.

Failback Limitations

Phoenix DRaaS does not allow you to resume failback on backup proxy with version earlier than 4.8.8_80128.

Windows Limitations

  • Windows Dynamic Disk as a boot partition is not supported.
  • Windows extended partitions are not supported.
  • Clustered drives are not supported: if your Windows Servers are a part of a cluster, exclude the clustered drive and perform the migration using the system drive only.

Linux Limitations

  • Linux GPT is not supported.
  • Linux LVM with extended partitions is not supported.
  • RAID configurations are not supported.