+1000 Op 30 okt. 2011 01:16 schreef "Andrew S. Baker" <asbz...@gmail.com> het volgende:
> I'm always amazed by how the most (otherwise) elegant and robust solutions > can fail because of some silly configuration that should handled in a very > different way. > > * * > > *ASB* *http://XeeMe.com/AndrewBaker* *Harnessing the Advantages of > Technology for the SMB market… > > * > > > > On Sat, Oct 29, 2011 at 2:31 AM, David Lum <david....@nwea.org> wrote: > >> Remotely working on a %nightjob% client tonight, both a VM and >> corresponding host unexpectedly drop my LogMeIn connection. I see from >> LogMeIn that other systems in that room are online, so I know it wasn’t the >> circuit that dropped. Oh joy, I get to drive in (thankfully a short 20 min >> drive).**** >> >> ** ** >> >> I get onsite and the host server is halted at the POST screen for the >> eSATA RAID controller, and the eSATA RAID controller reports a degraded disk >> on one of the two volumes. Power everything off, pull the drives, >> disconnect/reconnect the cables, etc. Power it back up and everything shows >> good.**** >> >> ** ** >> >> So the host comes up (YAY ½ way there! Well…) and I log in and watch for >> the VM to start…it gets to 50% then stops, and after 15 minutes (and you >> know how long 15 minutes is when you’re waiting for a **VERY** critical >> server to come up don’tcha?) the VM goes back to “stopped”. **** >> >> ** ** >> >> As I do full volume backups nightly to the eSATA I’m not too worried yet, >> but even recovering to that this client would lose a day of work (Internet >> backups start at 7pm, servers went offline at 5:13pm). A cursory look at the >> event logs shows nothing exciting, so I change the VM “autostart” from 60 >> seconds after host OS to 500 seconds and then reboot the host.**** >> >> ** ** >> >> No change. Joy.**** >> >> ** ** >> >> Thinking maybe it’s an issue on the host I pull a two week old DISK2VHD >> file that was handier than the backups, I create a new VM on the host and >> use this VHD. That VM fires up just fine, but it makes me wonder if I can >> just create a new VM and point to the existing disk files for this critical >> server. I file that away for plan B.**** >> >> ** ** >> >> I hit the event logs again, I went through both system and app logs for >> the timeframe including 30 mins on either side of the start failures (and >> you know I tried to start that VM more than just those two times…). Somehow >> I stumbled upon one of Windows 2008’s 1 zillion new logs, under Windows >> logs\Applicaitons and Services logs\Microsoft\Windows\Hyper-V Worker and I >> found my golden nugget:**** >> >> ** ** >> >> Log Name: Microsoft-Windows-Hyper-V-Worker-Admin**** >> >> Source: Microsoft-Windows-Hyper-V-Worker**** >> >> Date: 10/28/2011 7:02:45 PM**** >> >> Event ID: 12140**** >> >> Task Category: None**** >> >> Level: Error**** >> >> Keywords: **** >> >> User: NETWORK SERVICE**** >> >> Computer: Host4.thehosed.one.local**** >> >> Description:**** >> >> 'thehosed.one': Failed to open attachment >> '\\192.168.116.249\Inst-server\Windows 2008 >> R2\SW_DVD5_Windows_Svr_DC_EE_SE_Web_2008R2_64-bit_English_X15-59754.ISO'. >> Error: 'The specified network name is no longer available.' (0x80070040). >> (Virtual machine 97527135-A765-4700-AF66-C6FE2143391D)**** >> >> Event Xml:**** >> >> ** ** >> >> Google-Fu then returned a thread to me where someone else was having the >> same issue because about a VM not starting and it turned out to be a CD-ROM >> driver issue. Was the VM was failing to start because I had the CD-ROM >> mapped to a network location that was no longer valid? ARE YOU KIDDING ME? >> Go into VM settings, remove the CD-ROM from the config and boot the VM. >> Presto! Took me just over four hours to find the necessary 2-second config >> change…**** >> >> ** ** >> >> I charge 1.5x my normal hourly rate to break my routine and drive onsite, >> somehow I think just one hour is fairhere – sometimes the lesson and the >> relief that there was zero data loss for the client is reward enough!**** >> >> *David Lum* >> Systems Engineer // NWEATM >> Office 503.548.5229 //* *Cell (voice/text) 503.267.9764**** >> >> ** ** >> >> ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ >> ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ >> >> --- >> To manage subscriptions click here: >> http://lyris.sunbelt-software.com/read/my_forums/ >> or send an email to listmana...@lyris.sunbeltsoftware.com >> with the body: unsubscribe ntsysadmin >> > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ > ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ > > --- > To manage subscriptions click here: > http://lyris.sunbelt-software.com/read/my_forums/ > or send an email to listmana...@lyris.sunbeltsoftware.com > with the body: unsubscribe ntsysadmin > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ --- To manage subscriptions click here: http://lyris.sunbelt-software.com/read/my_forums/ or send an email to listmana...@lyris.sunbeltsoftware.com with the body: unsubscribe ntsysadmin
