Additional information: product name: JovianDSS / DSS V7 product version: all / version build: all / version Problem: When trying to set the MTU value of 9000, it claims it's a wrong value. Symptoms: Errors or messages: Trying to enable jumbo frames on an Ethernet controller from...

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...

Problem: I'm not sure how many Gigs and CPU cores I need to have in my system. Any recommendation? Solution: With using more CPU's with Cores and Cache only improves the IOPS in NAS for read and writes also for many users connected to the NAS head. If there are 250+ users 1 Quad or 2...

The most probable reason for very bad system performance is the RAID controller's cache being disabled! In most cases there is no need for any investigation. The first thing to check is if the RAID Cache is ON, and enable it if it is not. Some RAID controllers without a BATTERY...

  The active-backup, balance-tlb and balance-alb modes do not require any specific configuration of the switch. The 802.3ad mode requires that the switch have the appropriate ports configured as an 802.3ad aggregation. The precise method used to configure this varies from switch to switch,...

How to get better performance with disabling the offload option in NIC? Solution: Using console: 1. Left Ctrl + Left Alt + W 2. Tuning Options 3. TCP Offload options 4. Turn off Scatter-gather option Repeat this action for all NIC's. Note: In certain situations your performance can get...

1. Introduction We will describe how to setup NTFS block size under Windows system to achieve better write performance on Software and Hardware RAID 5 and RAID 6 arrays. From the tests that we performed it seems that there is performance drop while NTFS block size isn't configured...

RAID Array and NIC speed tests to be used with the DSS V6. Only one small update can be applied, this means that if you are testing with the RAID Array test and would like to test the NIC's then you will need to remove the small update for the RAID Array test in the same location as you...

Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 Tuning your Ethernet card In some...

The default size for VMalloc is 128. Your other choices are 256 and 384. We usually recommend setting the size to 384.  Most system will benefit from this choice. However, you may want to step it up in increments and test first. Go to the Console Tools: Ctl-Alt-W Select Tuning Options Select...