Question about HP StorageWorks Media Vault Pro mv2040 (GJ422AA#ABA) 500 GB Network Storage Server

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HP Media Vault - Power on / fan on / front panel indicators off

When I power on my Media Vault 500GB it does not boot. The fan is running "audible", the on button LED is ON, the network indicator LED on rear of unit is ON, non of the top front panel indicator LED light or flash. This unit was operational, shut down, then fail at the power on.

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  • bentsteel Nov 30, 2008

    By the way, this is an MV2020 ... not one of the new generation "cubes" . I checked the power supply and it is producing 3.3 / 5 / 12 volts. I looked for an obvious SMD fuse on the mom board but did not see one.

    I have not been able to find a "low level" diagnostic procedure (if one exists) or a HP service manual. Since it is hard to tell what the post process is, I can not tell where this is failing in the boot process or if it is even making it to a POST.

    Any guidance here would be appreciated. Of course, the NAS is 14 months old and out of warranty. It was great while it was working but now, I can see that HP missed the Serviceablity merit badge training. I guess I expected an HP product to be full RAS. Any way, enough griping out of me. If there is a way to diagnose this I will be greatful.


  • Anonymous Dec 12, 2008

    About the same thing happened to me. MV2020 was running, came back from out of town a couple days later and only the network light was on. Unit would not power off from the front blue button. I followed the steps above - unplugged the power cord, held the reset button in while I plugged the unit back in, continued to hold for a few more seconds. After nothing happened for a few seconds, I held in the blue power button for ten seconds or so to try and do a hard re-boot. Eventually the disc drive indicator came on for a minute or so, then the OK button flashed a few times and the unit shut down. I booted it back up and all lights came back on. Despite a highly active hard drive indicator, the unit seems to be working fine. Thanks for the tip!

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I read a bunch of material found on the web. Primarily this led me to believe that the Lynix flash OS has some issues (to say the least). After carefully testing out the mom board voltages I decided that there was probably a software boot issue.

I read this at k0lee.com/mediavault/
"The MV1 has a hard reset which severs the tie to the startup.sh script that calls any of the installed software." The material on this site also indicated that the stored files would not be affected by a hard reset. So what the heck... nothing to lose. I unplugged the power, pressed the reset button and then applied power. Held the reset button for > 5 seconds. Held my breath for 30 seconds and the disk light started to flash on the front indicator panel. After a minute or two of that, the OK light came on. I pressed the power button on the front panel and the it responded. Another miracle? Hmmm. The MV shut down. I connected to the LAN and powered back on. Every thing worked fine.

I guess... there was a space issue / startup parameter corruption / enemy electron in the mix that was passed over with the hard reset at start up. Since there is on access to the OS boot process, (or source code) this is pure speculation. Although, it is reasonable speculation. Chao!

Posted on Dec 01, 2008

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