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ESXi lost storage, maybe somebody can tell me what I did wrong

V

Viper GTS

Lifer
I have a new ESXi server at work. It's a PE2950 w/dual 2.83 quads, 32 GB of RAM, 6x450 GB 15K SAS on a PERC 6/i and 15x300 GB 15K SAS on a PERC 6/e + MD1000.

I've been running ESXi at home for some time, but this system is new. I had ESXi up & running properly with the 6 internal drives in RAID 50, VMFS storage was working fine & I had VM's running. I shut down the system, pulled all six drives, and replaced them with another array. I did some testing with that configuration (not ESXi, I turned off the internal USB port & installed Windows Server 2K3 directly on the hardware), then I re-enabled the internal USB port, put the six drives back in & imported the config on the PERC.

The PERC says my array is intact, ESXi sees the LUN, but it refuses to acknowledge that there is any VMFS on it. Now it's in no way critical that I get this back, so far I've just been playing - Doing demos for people who have yet to see it, etc. But I really did not expect to lose the storage by doing that.

Anybody have any idea where I went wrong?

Viper GTS
 
I'm guessing this is the problem:

http://pics.bbzzdd.com/users/ViperGTS/esxi_error.gif

From a little looking around it seems the LUN ID probably changed when I used another set of drives and then re-imported this config.

What can I do (presumably on the controller?) to minimize the chances of this happening in the future? Would manually deleting the all VD's before importing help? Ideally I would like to be able to physically move disks into another server if necessary, but I can deal with resignaturing in that case if I must.

http://cyborgworkshop.org/?p=101

That got me back up & working, is that generally considered to be a bad thing or is it OK to run like that?

Viper GTS
 
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