Open-E Knowledgebase
Network problems
Why I do have a slow writing process when I run snapshots?
Symptom: I am using NAS replication and I am getting very slow write performance.  My RAID is set to cache enabled. Problem: Normal 0 false false false EN-US X-NONE X-NONE ...
rating 18 Feb, 2009 Views: 3051
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
Jumbo Frames
Symptom:  When trying to set  the MTU value of 9000, it claims it's a wrong value. Problem: Trying to enable jumbo frames on an Intel82573V Ethernet controller from the console CTRL-ALT-W Tuning Options Jumbo Frames Config Solution: you may want to try a smaller value. It looks as the...
rating 18 Feb, 2009 Views: 9047
"jiffie" & "WATCHDOG" errors
Symptom: Some data are not send to the iSCSI initiator.   Problem: Network has problems while sending packets [..] "jiffies <dd2739> next_to_watch.status <0> e1000: eth0: e1000_clean_tx_irq: Detected Tx Unit Hang Tx Queue <0> TDH <a5> TDT <df> next_to_use...
rating 10 Feb, 2009 Views: 2420
How can I rename the Ethernets after the update?
Problem: After updating my system, the Ethernets name get changed, how can I rename them? Solution: The NICs can be reset by disabling them in the BIOS, but Open-E remembered them when the server turned back on.  And you can reset them from the extended console (C-A-X) and selected...
rating 29 Jul, 2009 Views: 2781
After update to DSS 5.0up62 or DSS V6 I'm not able to access over from all subnetworks.
Symptom: After updating to DSS 5.0up62 or DSS V6 there be found problems with accessing the GUI and SMB from all subnetwors. Problem: In earlier version the DSS was having a internal routing that was able to route information between NICs. The problem is that in case...
rating 11 Aug, 2009 Views: 2228
XenServer 5.5 with iSCSI Storage on Open-E DSS / Chelsio 10G network card
If you experience random VM freezes lasting a few seconds, it would be good idea to check if the XenServer has a valid network card driver. As a result you may see the following errors: 2011-03-28 12:06:16 Kernel.Info kernel: connection16:0: iscsi: detected conn error (1011)...
rating 31 Mar, 2011 Views: 3038
Problem with bonding when running DSS V6 on Oracle/Sun VirtualBox
When creating a bonding like balance-rr it's important to know that it will change the MAC address of the NICs included in the bond configuration.For more information about bonding please refer to:'s importatnt to know that it is not...
rating 17 May, 2011 Views: 3009
Failover events and Network component failure.
Failover events can occur for many reasons. Investigations into such events can be easy if the failure is localized to the DSSV6 server or operating system. When the failure is triggered by ping node failure or Network component failure, investigation may involve administrative testing of all...
rating 01 Jun, 2011 Views: 2672
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

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