Flash Openwrt Attitude Adjustment on jjPlus JA76PF2

Preparation and installation of OpenWrt on the router jjPlus JA76PF02

Installing from console with serial connection

You should:

  • Shut down  the board
  • Connect the Ethernet cable to the router’s (WAN port) and the other end to your computer
  • Set the address of the network card on your computer to 192.168.1.1
  • Run a TFTPD server and put in its root the files openwrt-ar71xx-generic-ja76pf2-kernel.bin and openwrt-ar71xx-generic-ja76pf2-rootfs-squashfs.bin
  • Start the tftpd server
  • Connect the serial cable to the board
  • Start a serial terminal with parameters 8 n 1 115200
  • Turn on the board
  • and hit Ctrl-C to stop at the bootloader’s command line.  Now you are in RedBoot

Continue reading Flash Openwrt Attitude Adjustment on jjPlus JA76PF2

Replacing a Hard Disk Drive of a ZFS pool in a NAS4Free server

Being in the business of database management, it’s hard for me to admit that I’ve lost personal data, but after riding the storm in more occasions than I can remember or care to know, I wouldn’t be honest if I didn’t stress over and over again the fragile nature of XXI century storage media . . . → Read More: Replacing a Hard Disk Drive of a ZFS pool in a NAS4Free server

NAS4Free under ESXi

One surprising thing I noticed when testing out NAS4Free is the lack of documentation with regards to installation on VMware. I can understand a viewpoint that a NAS is a NAS and not to be anything else, but what about working loads where that kind of raw performance is not required (granted the virtualization overhead these days should be within 5-10% of physical). In any case the below instructions are written with running ESXi 5.1 with NAS4Free 9.1.0.1, for ease of reading the directions are broken down into three sections. Continue reading NAS4Free under ESXi

How to unregister vCenter plugin/extension using the MOB

I saw a post on the VMTN forums the other day about unregistering a vCenter plugin. The user had a bad installation of an early preview of NetApp’s VSC utility. After uninstalling the plugin, the user was still unable to unlink the plugin from vCenter. There is actually a pretty simple solution to this . . . → Read More: How to unregister vCenter plugin/extension using the MOB