[NCLUG] [Poll] VPS and web mangement hosting
Kasey Erickson
kasey.erickson at gmail.com
Thu Feb 23 12:18:13 MST 2012
Hi Sean,
Sorry to interject, but I was wondering if Tummy offers VPS solutions
that use SAN backend storage instead of just RAID?
Thanks,
Kasey
On Thu, Feb 23, 2012 at 11:49, Sean Reifschneider <jafo at tummy.com> wrote:
> On 02/20/2012 09:04 PM, Bob Proulx wrote:
>> I have always reasoned that real ram is the biggest cost limiter in
>> the VPS ecosystem. It can't be overbooked, although some do overbook
>
> RAM can be expensive, but it's fairly easy. Storage is much harder... We
> almost never run out of memory bandwidth, but storage is easy to saturate
> unless you go with SSDs, which push the price way up if you're talking TBs
> worth...
>
> I'm pretty sure we spend more on storage than RAM in our virtual
> environment, even before the disc shortage...
>
>> applications. It is also possible to sloppily consume ten times more
>> memory.
>
> Or more. We had a client once that, for certain requests, one of their
> 15MB processes would use up all 4GB of RAM on the system. That was
> wonderful!
>
>> Yes. Although RAID can be problematic in implementation it has still
>> saved me more times than I can remember. I wouldn't want to be
>
> Agreed. We don't have any machines we host that don't have RAID... Unlike
> a power supply when it fails, if a disc fails it is not a simple matter to
> get back to where the system left off. Though we are mostly running
> redundant power supplies too.
>
>> heavy. Trying to scrub or fsck or restore a large filesystem is
>> extremely painful.
>
> Absolutely. "What do you mean my system won't be available for 4 hours
> because it's running an fsck?" Then, 3 hours into it fsck decides it needs
> to start over from scratch... ext* is nice and reliable these days, but it
> sure is hard to love. :-)
>
> Sean
> _______________________________________________
> NCLUG mailing list NCLUG at lists.nclug.org
>
> To unsubscribe, subscribe, or modify
> your settings, go to:
> http://lists.nclug.org/mailman/listinfo/nclug
More information about the NCLUG
mailing list