Open-E Knowledgebase
How to configure the switch for different bonding modes
  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,...
rating 28 Mar, 2013 Views: 5919
How do I set my VMalloc size?
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...
rating 03 Nov, 2008 Views: 4520
Modify Ethernet Card driver
Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 Tuning your Ethernet card In some...
rating 18 Feb, 2009 Views: 4319
[JDSS] [DSS V7] Jumbo Frames
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...
rating 27 Aug, 2020 Views: 9047
I have a low NFS performance in VMware environment.
Problem: A customer report that the NFS performance result for NFS 16K Writes are - 11 MB/sec.  Symptom: The tests on the DSS Demo (Atlanta) and IOMeter, while doing 16K Reads and with the parameters as specified in the attached "Comparison of Storage Protocol Performance" from VMware, for...
rating 30 Apr, 2009 Views: 13359
How many CPU cores and RAM recommended?
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...
rating 25 Jun, 2013 Views: 7718
System performance, and RAID BIOS settings.
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...
rating 26 Apr, 2013 Views: 7271
Performance Testing with DSS V6 for your NIC's and Volumes
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...
rating 13 Jul, 2011 Views: 4743
Information on Configuring for Optimal RAID Performance
Write Policy The Write Policy can have a very big impact on write performance. There are two modes available: 1. Write Back 2. Write Thru. Write Back Mode This mode provides better performance in most cases. In Write‚ÄźBack mode, the RAID controller acknowledges write I/O requests immediately...
rating 21 Sep, 2016 Views: 56597
HW and SW RAID performance tuning on NTFS volumes
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...
rating 15 Mar, 2013 Views: 9565

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