[Dovecot] Howto add another disk storage
h.reindl at thelounge.net
Mon Jul 9 13:10:15 EEST 2012
what you do not understand is that a proper SAN is NOT
an complex setup, it is in many cases a simpler one
because you have TWO controllers, disks with DUAL channel
and a proper RAID level in ONE device
to built all this redundancy at your own is a much
complexer software-setup and you can be pretty sure
taht as long you are not dealing night and day with
storage/Failover-setups the people designing a
SAN have much more expierience what the are doing
Am 09.07.2012 12:01, schrieb Noel Butler:
> Seem some people have never heard of "keep it simple, stupid" or
> "less is more" ... sounds like a few people here are falsely propping
> up their worth to their employers, making unnecessary BS to justify
> their own existence.
> My experience of over 20 years of this industry easily shows that those
> who try to make complex networks _always_ have far higher fail rates
> than those that keep it simple, nearly never have any problems, and when
> they do its because the powers failed, the gennies didnt kick in and
> UPS's died before engineers got the gennies going. I've also seen most
> networks that use SAN's have a far more problems than those using NAS's
> - providing you use decent NAS gear like EMC or Netapp :) Don't evne
> think about using a general server as a NAS.
> On Mon, 2012-07-09 at 10:46 +0100, J E Lyon wrote:
>> On 9 Jul 2012, at 10:41, Wojciech Puchar wrote:
>>> Many people just want to be proud, or want to make things expensive so their clients are proud. but not always it's like that.
>> You go on a bit about "pride in complexity" . . What you fail to understand is that many highly intelligent, experienced, very able engineers build systems that are as complex and as large as they _need to be_ and just because you don't deal with such large systems doesn't make everyone else wrong. (Okay, I know, some people are proud, and some people do make bad decisions about large complex systems -- but you make the mistake of assuming everyone does.)
>> Just my 0.02 -- hope it helps.
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