Open-E Knowledgebase
Recent Articles
Mounting JovianDSS NFS share under XEN environment
Following NFS mount parameters are required for XEN: CLI mount: "-o tcp,hard,int" XEN GUI: "tcp,hard,int" [-o should be discarded] tcp option informs system to use TCP protocol. hard mount is generally used for block resources like a local disk or SAN. intr If hard is specified, the user...
rating 20 Jul, 2018 Views: 32
DSS V7 recognize single CPU Core only
Problem: - multicore CPU visible as one core CPU in the log file: tests.log - smpboot: weird, boot CPU (#0) not listed by the BIOS message in the kernel-sys.log Solution: - Disable (check) IO-APIC in the DSS V7 console: CRTL+ ALT+T ->Boot Option-> Boot Parameters - Disable X2-APIC...
rating 29 Jun, 2018 Views: 18
Open-E DSS V7 (up60) cluster shutdown and start up
Here you can find PDF document on the: Test scenario and troubleshooting of Open-E DSS V7 (up60) cluster shotdown and start up. It includes step by step description of the cluster shutdown and start up and troubleshooting in case of common start up problems.
rating 29 Jun, 2018 Views: 19
JovianDSS low performance with Intel X710 SFP
PROBLEM: Performance around 6Mbits on Intel X710 SFP 10Gbps NICs (tested with bond LACP - which is not advised in JovianDSS, tested with MPIO). SYMPTOMS: Below error visible in the JovianDSS LOGS - kernel-sys.log: Jun  7 15:30:38 [kern.err] [   32.372709]...
rating 29 Jun, 2018 Views: 19
DSS V7 WebGUI access/certificate problems.
If you are using older versions of DSS V7, up12 for example, please follow this procedure to re-generate certificate and upgrade the node to up65: 1. Go to CLI console and press: CTRL+ALT+T > 4. Time configuration 2. Change date to December 2017 and "Apply". After that, agree to certificate...
rating 18 Jun, 2018 Views: 937
DSS V7 up60 does not boot after Areca firmware update.
PROBLEM: After upgrading an existing Areca 1880IX to the latest FW of 1.52 the system does not boot. The card itself is fine in POST, it is showing all it raid volumes but the system boot is hanging on a single blinking "_". The system does not BOOT from the areca raid volume, it boots directly...
rating 16 Feb, 2018 Views: 407
Is it possible to extend NAS LV with shares in Active-Active HA NFS cluster in production envionment without any downtime?
Unfortunately, this will cause NFS session/connection reset, as explained in the following NAS LV expanding procedure: Resizing NAS LV in NFS cluster will cause shares residing on the LV in question to be inaccessible for ~1-4s. Thus, we do recommend modifying NAS LV size during...
rating 16 Feb, 2018 Views: 369
How can I obtain and apply a small update to my Open-E software?
You can obtain small updates right here in the Knowledge base. Go to the Knowledge base home page. Click on Downloads in the top menu bar. Click on the Small updates link. Find the .upd file that applies to the issue you’re experiencing. You can also obtain small updates from our support after...
rating 25 Jan, 2018 Views: 6057
"Meltdown" and "Spectre" vulnerabilities in Open-E systems
Open-E Data Storage Software is a closed environment, none of the DSS family products is vulnerable to attacks using Meltdown and Spectre exploits. During the whole contact with our product , from the installation process to day-to-day work, users are incapable of running unauthorized processes of...
rating 18 Jan, 2018 Views: 587
DSS and JovianDSS "Samba WannaCry" vulnerability [CVE-2017-7494]
Open-E has fixed vulnerability CVE-2017-7494 in the following versions: - DSSv7 up60 (released 9th June 2017) - JovianDSS up20 (to be released June/July 2017)
rating 18 Jan, 2018 Views: 1120
How to setup email notification using Megaraid Storage Manager
Install and start Megaraid Storage Manager, enter your server IP and log in using user and password set in SETUP -> H/W RAID (default are user:raid, password: raid). Then follow instructions described in LSI knowledge base: Information about...
rating 18 Jan, 2018 Views: 9914
Adaptec/Microsemi Storage Manager (ASM) access in DSS V7 up60
1 - Adaptec/Microsemi controllers maxView Storage Manager v2.03.22476 is required. 2 - Change the default password for the Adaptec Storage Manager to gain read/write access. To do this, Login to the DSS V7 webGUI, and navigate to SETUP -> H/W Raid -> Adaptec administration. If you do not do...
rating 18 Jan, 2018 Views: 5773
Unable to connect to HW RAID using Megaraid Storage Manager [MSM] software
Please make sure that you are using version 14 or 16 of MSM software which is tested to work with DSS. Login details for accessing MSM or Avago Management is: Username: raid Password: raid For up57: v14.11.01.00:: MSMv14.11.01.00 v16.02.00.04: MSMv16.02.00.04 For up60: ...
rating 04 Jan, 2018 Views: 1978
JovianDSS Logs
JovianDSS Logs This function allows you to download or remove the logs gathered during server  operation. In the logs, you can find all system information relevant to troubleshooting.  To download the Logs, from the WebGUI of DSS, go to Diagnostics -> Logs. Click on...
rating 07 Sep, 2017 Views: 499
Slow SMB performance with MacOS X clients while AFP performance is good
PROBLEM: Slow SMB performance with MacOS X clients while AFP performance is good EXAMPLE: With MacOS X clients (OS version 10.12.6) there is a significant speed differences between AFP and SMB. With AFP up to 780MB/s, while over SMB only up to 80 MB/s (which is roughly as much...
rating 07 Sep, 2017 Views: 974
JovianDSS capabilities - maximum users/groups, opened file handles, filename length
Maximum user/group count: JovianDSS supports up to 1000000 users and 1000000 groups from one domain, but it is required to have a very strong server machine that can handle it. We tested in our lab 100000 objects from all trusted domains (users + groups) and it worked without problems. Maximum...
rating 29 May, 2017 Views: 685
JovianDSS: RESTapi - HowTo
1. Un-pack JovianDSS API REST  (in the attachment of this article) 2. Make sure you have installed "requests" Python library      $ pip install requests 3. Read documentation      ClientREST/jovianapi_docs/build/html/jovianapi.html 4. Read...
rating 17 May, 2017 Views: 725
Starting cluster manually in "local" mode after failure of a node
There is a possibility to start cluster in a "local" mode, serving data from one working node exclusively. Once your DSS node-b [or node-a, for that matter] goes down, working node will automatically switch itself into "source" mode, changing its volumes state into "source" as well. Also. cluster...
rating 12 May, 2017 Views: 734
LSI MIB to collect all information. To use with LSI RAID controllers.
Thanks to Jadar Simoes from SDC who provided this MIB for all to use. Provided and contributed by: Jader Simões Diretor de Tecnologia
rating 24 Mar, 2017 Views: 768
How to Configure Socomec (NET VISION) UPS via Ethernet SMART CARD (
1.      1. Find out the UPS IP address from the DHCP server. (in this how-to : 2.      2. Go to the UPS WEB GUI http:// address: default user name: admin  password: public 3.      3. In the...
rating 08 Mar, 2017 Views: 2487
4Kn and 512e Disks
Description: iSCSI Target must pass same block as the exported device ( RAID array is most cases). If you use 4k disks, the RAID controller will also make 4k device and iSCSI Target must export it as 4k LUN. As result, VMware will not accept such LUN. Conclusion: For iSCSI you must use 512 disks,...
rating 23 Feb, 2017 Views: 846
How to generate LSI RAID Controller logs:
Download the small update from our FTP and install it in the DSS GUI in Maintenance > Software update then reboot the server. After that you can go to the Console, press CTRL+ALT+W and select "generate lsi logs". Logs are available for download in webGUI: Status-> Hardware Settings->...
rating 21 Dec, 2016 Views: 4699
How to properly shut down functioning cluster to avoid data loss and volume inconsistencies
Case scenario: Customer needs to shutdown the cluster and would like to know how to do it properly, without any data loss or volume inconsistencies. Customer's question: "Should I first stop the cluster and then stop the replication task? Once this is done, Can I just shutdown both...
rating 20 Dec, 2016 Views: 955
[DSS V7] How can I properly expand a NAS or iSCSI volume in a clustered environment?
Question: NAS share has become too small, currently it has 15TB, needs to be expanded to 25TB. Customer has 59TB of available / unused space. Is it possible to increase a volume during operation? Or does a new volume have to be created and share assigned to it? Answer:   There is no need...
rating 30 Nov, 2016 Views: 927
How to connect Xenserver 7 to the DSS V7 ?
PROBLEM: rc.local script is not supported on version 7 of xenserver, I cannot add iptables rule at startup SOLUTION: Go to the Xenserver CLI - command line interface. Execute this two commands: # chmod u+x /etc/rc.d/rc.local # systemctl start rc-local Note: The initial file permissions are not...
rating 30 Nov, 2016 Views: 769

The Knowledge base is managed by Open-E data storage software company.