Knowledge Base  /  Disaster Recovery  /  SafeHaven 4
Knowledge Base  /  Disaster Recovery  /  SafeHaven 4

SafeHaven 4.0.0 Release Notes

Updated by Shi Jin on Dec 28, 2016

Release Notes

  • SafeHaven Version: 4.0.0
  • Release Date: October 7, 2016

1.New Features

  • Improved performance: Local cache disk alignment issue solved
  • Allow reduction of SBD COW page size: solves the checkpoint inflation problem
  • Better automation: Ansible based LRA installation and Makestub is no longer experimental
  • Better hard quota management: a lot more LRA-SRN communication and control
  • Enhanced user experience: auto stub deployment and configuration in PG creation
  • More reliable: fixed a number of SBD bugs
  • Better package management and version control: debian package
  • Removed a lot of password constrains
  • Improved GUI

2. Support Matrix

2.1 OS
  • Windows: Windows2008R2, Win2012R1, Win2012R2
  • Linux: RHEL (CentOS)-5/6/7, Ubuntu-12/14, openSUSE-11/13
2.2 Data Center Types
  • VMware vSphere
  • CLC
  • MANUAL
2.3 Data Protection Types
  • Local Repica
  • Local Cache
2.4 Limits of standard deployments ( SRN on 2 CPUs, 4GB RAM)
Maximum of Item Limit Comments
Number of Sites per CMS 8
Number of SRNs per CMS 64
Number of Disks attached to SRN as storage pools 12 CLC default limit of disks per VM is 15
Number of Protected Disks (in protected VMs) per SRN 20
Number of Disks per Protected Windows Guest 8
Total Storage per Windows Guest 9TB CLC default limit is 4TB
Total Storage per Linux Guest 9TB CLC default limit is 4TB
Total Storage per SRN 32TB CLC default limit is 4TB
Number of Protection Group per SRN 10 16 is the absolute limit
Number of Protected VMs per SRN 10
Number of PGs per CMS 320
Number of Protected VMs per CMS 320
Capacity per Disk 9TB CLC default limit is 1TB
Capacity per PG 9TB GUI limits numbers to 9999GB
VMs per PG 5
Minimum number of CPU per protected Windows VM 2 single core might work but might have problems in some cases

Currently, CLC limits a VM to 15 disks, a total of 4TB capacity and a maximum of 1TB per disk capacity.

  • With special requests to the customer request team, they can typically accommodate up to 12TB per VM with maximum individual disk capacity limited to 4TB.
  • The CLC default limits might change in the near future.
2.6 Known Limitations
  • We do not support Windows VMs using E1000E NIC
  • Linux VM onboarding: we do not support the protected guest running on a different subnet from the SRN iSCSI IP.
2.7 Password Limitations
  • CMS root password: no constrains
  • SRN root password: ' (single quote) and ^ are legitimate Linux characters but not supported by SH-4.0. GUI will warn about it.
  • SafeHaven user password: no constrains
  • Windows Ansible password: not supporting " (double quote)
  • Email SSMTP password (#227): not supporting # : = and (space)
  • vSphere password (#420): password cannot have space at the beginning or the end.
  • CLC password: no constrains

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