Archive for the 'Networking' Category

The Scoop on FreeBSD & iSCSI (Currently)

Friday, July 17th, 2009

Please see the update to this post
As A Target (Server)
The only available iSCSI target software in FreeBSD is the /net/iscsi-target port. This is the iSCSI target from OpenBSD and is absolutely not suitable for production use (or even most non-production uses).
Problems I’ve come across:

Does not support CHAP.
Will not allow multiple connections to the same [...]

PowerEdge 2900 iSCSI Performance Problems w/ FreeBSD

Friday, June 19th, 2009

Got a new storage server, it’s a PE2900 from Dell. Installed FreeBSD 7.2 on it, rebuilt the kernel with all the updates and included:
options iscsi_initiator
connected to the iSCSI target across the LAN, then I used:
dd if=/dev/zero of=/mnt/testiscsi/file.out bs=65536
to test the speeds after mounting it. I observed horrific speeds (in the range of 300-500KB/s).
To [...]

VLAN Trunking: Cisco vs. Dell

Sunday, April 26th, 2009

In a recent battle at work I put a Cisco 2960G up against a Dell PowerConnect 5424. The PowerConnects aren’t bad… They’re cheap, gigabit, and Layer-2. Anyway, I quickly found out that unless you use GVRP, the Dell cannot learn what VLANs are out there. You have to specify allowed VLANS [...]

I’m not creative enough for this, and you can’t help me.