Hey Aldie,

I hope that you take all this angst and whining as proof positive that
what you're doing really matters to a lot of people.  That's gotta
feel good!

(Okay, so it's not so much "angst and whining" as disconsolate
muttering, but you know what I mean.  ;) )

Dean.

On Apr 1, 3:14 am, Scott Alden <[email protected]> wrote:
> Hey Y'all, I wanted to give an update as we're about to head back over
> to the ISP and do some more work.
>
> Last night we rebuilt the RAID system on our main file server (due to
> a failed hard drive) - even though we have a full backup on another
> server, I wanted to have another regular backup before rebuilding the
> RAID.  This took a bit longer than expected because the way rsync
> calculates checksums.  However, this wasn't the problem that kept me
> up till 6am.
>
> In addition to replacing a failed drive on the main file server, we
> wanted to finally retire one of our oldest servers (Sackson).  Sackson
> runs a database called MongoDB (www.mongodb.org).  It's been growing
> over time, and we intended to migrate it to one of our newer machines.
>  The process of backing up and importing a mongo database takes a long
> time due to the sheer size of the data and the indices that this
> database uses.
>
> During the setup of mongo on a new server, I started noticing the OS
> would "stall" several times when writing to disk.  It turns out that a
> combination of using a virtual server, with the particular hard drive
> configuration on this machine doesn't seem to work properly - it takes
> far too long to write the data to disk (this is a problem to solve for
> a different time).  Around 4am I decided to abandon the new server and
> go back to a non-virtualized server.
>
> We're going back in today and reinstalling a different OS and moving
> things around.
>
> I really apologize for the delay - nobody wants the site back up more than me.
>
> --
> Aldie

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