Random I/O workload tuning You can improve random I/O performance on your ZVOL device by using a smaller "Volume block size" parameter. Depending on the disk type used for your storage Pool, the smallest recommended values are as follows: for HDD-based Pools: 32 KiB for SSD-based Pools:...

NFS VAAI plugin for VMware VMware vSphere Storage APIs – Array Integration (VAAI) is a set of APIs that offload specific storage-related operations from the ESXi host to the storage array, thereby enhancing performance and efficiency. By letting the storage array handle intensive tasks (like...

Additional information: product name: JovianDSS / DSS V7 product version: all build: all Subject: Hyper-V tuning recommendations for JovianDSS & DSS V7. Contents: ISCSI proper values script for Hyper-V. NOTE: Please proceed with the actions during a maintenance window as there...

Installation of rootconsole Small Update The rootconsole Small Update for JovianDSS up31 can be downloaded under the following link: https://software:UuPpDdAaTtEe@ftp.open-e.com/SMALL_UPDATES/xc-rootconsole-d12/up31/ This Small Update allows the administrator to deploy a container based on...

How to increase your Pool size After you have expanded your storage license (check how to do it here: [JDSS] Expanding license capacity) you may want to expand your Pool size to make use of the new licensed space. You can do it in a few different ways: 1. Add a new vdev to your Pool: The...

Changes in NYMNETWORKS-MIB after updating to up30r2.55016 Two sensors in PRTG available in the previous versions (up to up29r4) are now no longer available after updating to up30 or higher: - zfsFilesystemUsed - zfsFilesystemAvailable Open-E JovianDSS offers additional SNMP values to...

The document shows an example of recovery from an OODP snapshot in the case of a total zpool failure. The data is recovered to a newly created pool. The loss of a zpool is simulated by deleting it completely for the purpose of this document only. Do not remove the zpool on the production server. ...

Synopsis Grafana is an open-source analytics platform for visualizing and analyzing data from a wide range of data sources. Checkmk, a monitoring platform for the IT infrastructure, can be connected to Grafana - it allows the administrator to easily visualize the data, analyze past system...

When replacing a disk connected through a RAID controller to your storage system it is necessary to perform additional steps for the system to recognize the disk properly. If the following steps are not performed, the disk will not be listed under Open-E JovianDSS. By default Open-E JovianDSS...

How to enable FTP access FTP access to Open-E JovianDSS storage can be enabled by uploading and installing a special Small Update (SU) No. 90847. Our FTP server does not provide SSL encryption for your FTP connection and gives anonymous access to all created datasets on all zpools to anyone...

Please make sure that you are using a version of MSM software which is tested to work with our products and is listed below. Login details for accessing MSM or Avago Management is: Username: raid Password: raid For DSS V7 ver. up57: v14.11.01.00: MSMv14.11.01.00 v16.02.00.04: ...

How to run Open-E DSS V7 in rescue mode? The rescue mode allows you to start the system without logical volumes mounted. Using console: 1. Wait...

Problem: There is a potential issue with the MegaRAID Controller and HBA 9500 series from Broadcom. There is a risk that the controller will lose its configuration after a server restart. Solution: The problem can be resolved by a firmware update (including PSoC) and...

Checkmk is the primary tool for monitoring within DSS V7. However, It's possible to monitor LMsensors for checkmk from the level of DSS V7 console. Press CTRL+ALT+T: Select Add-ons and subsequently go for Nagios lmsensors: Prerequisite: Small update with lmsensors support for...

Additional information: product name: JovianDSS/DSS V7 Subject: Potential Active Directory connectivity issues after addressing CVE-2022-38023 by Microsoft Contents: Open-E JovianDSS and DSS V7 uses Netlogon protocol as a secure way of communication with Active Directory. Windows has...

Subject: Changing the Disk Timeout setting in Windows OS Reason: Too low standard disk timeout value on a Windows operating system may cause disruptions during failover. A step-by-step procedure of modifying Windows registry to increase the timeout value is presented below. Contents: ...

Problem: Using Linux with checkmk 2.2: when checking with ssh (port 22222 and 22223) from Open-e DSS V7 and Open-E JovianDSS (version up29) the following message appears: Unable to negotiate with 172.18.0.211 port 22223: no matching host key type found. Their offer: ssh-rsa,ssh-dss Note:...

Information: • product name: Open-E JovianDSS Best Practices & Procedure for Boot Medium Partition Resize on HA Cluster Older releases of Open-E JovianDSS (older than up28) created smaller partitions than the newest versions of our software. Updating the system to the latest version...

Additional information: product name: Open-E JovianDSS Problem: iSCSI LUN device is not listed under the 'multipathd show paths' and multipath monitoring cannot be enabled for connected iSCSI LUN device. Symptoms: 'multipathd show paths' does not show the output for the connected iSCSI...

If you want to enable the NFS service in the Open-E JovianDSS GUI, expand the Zpool options and go to the ‘Shares’ tab and then click on the ‘Protocols’ options for the Share. There you can set both ‘Read access IPs’ and ‘Read/write access IPs’ to restrict access for them...

Information: • product name: Open-E JovianDSS Best Practices & Procedure for Cluster Software Update To successfully complete the update process, the following steps are recommended: 1. Save settings on both cluster nodes System Settings -> Settings management -> Save...

Information: • product name: Open-E JovianDSS Best Practices & Procedure for Single-node Software Update To successfully complete the update process, the following steps are recommended: 1. Save settings System Settings -> Settings management -> Save current settings 2....

Small update (SU) installation To monitor file changes made by the users on an SMB share it is necessary to install two separate Small Updates (SUs) on your Open-E JovianDSS. They are available for download under the links below: 90851-JDSS-smb1off_up29r3 - SMB ver. 1 has major...

After you have received your Storage Extension Key go to the "About" tab in your Open-E JovianDSS GUI: Click "Add more storage keys" and input your Storage Key: Accept your choice by clicking "Add" and "Apply". There is no reboot required after this operation. To see how to...

Additional information: product name: JovianDSS product version: all build: all Problem: In some instances, a remote support session will be required to resolve your issue. It is a service which connects your Open-E storage to our Support Center and allows our experts to fix the issue...