On Feb 5, 2012, at 6:33 PM, John R Pierce pie...@hogranch.com wrote:
I just tried a bunch of combinations on a 3 x 11 raid60 configuration
plus 3 global hotspares, and decided that letting the controller (LSI
9260-8i MegaSAS2) do it was easier all the way around. of course, with
other
On 02/04/2012 11:39 AM, Boris Epstein wrote:
On Sat, Feb 4, 2012 at 11:41 AM, Laurent Wandrebeck
l.wandreb...@gmail.comwrote:
Hi,
I'm happily running moosefs (packages available in rpmforge repo) for a
year and a half, 120TB, soon 200. So easy to setup and grow it's
indecent :)
Laurent.
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Le 04/02/2012 18:39, Boris Epstein a écrit :
Hello Laurent,
Thanks! Very useful info, I never even heard of MooseFS and it
sounds very nice.
One question: what happens if you lose your master server in their
designation? Or is it possible
Boris Epstein wrote on 02/04/2012 11:57 AM:
What is RAID0+1?
Nested RAID. Paraphrasing http://en.wikipedia.org/wiki/RAID :
For a RAID 0+1, drives are first combined into multiple level 0 RAIDs
that are themselves treated as single drives to be combined into a
single RAID 1.
Phil
On Sun, Feb 5, 2012 at 10:32 AM, Phil Schaffner philip.r.schaff...@nasa.gov
wrote:
Boris Epstein wrote on 02/04/2012 11:57 AM:
What is RAID0+1?
Nested RAID. Paraphrasing http://en.wikipedia.org/wiki/RAID :
For a RAID 0+1, drives are first combined into multiple level 0 RAIDs
that are
On 02/05/2012 04:37 PM, Boris Epstein wrote:
On Sun, Feb 5, 2012 at 10:32 AM, Phil Schaffnerphilip.r.schaff...@nasa.gov
wrote:
Boris Epstein wrote on 02/04/2012 11:57 AM:
What is RAID0+1?
Nested RAID. Paraphrasing http://en.wikipedia.org/wiki/RAID :
For a RAID 0+1, drives are first
On Feb 5, 2012, at 10:32 AM, Phil Schaffner philip.r.schaff...@nasa.gov wrote:
Boris Epstein wrote on 02/04/2012 11:57 AM:
What is RAID0+1?
Nested RAID. Paraphrasing http://en.wikipedia.org/wiki/RAID :
For a RAID 0+1, drives are first combined into multiple level 0 RAIDs
that are
On Sun, Feb 5, 2012 at 5:31 PM, Ross Walker rswwal...@gmail.com wrote:
On Feb 5, 2012, at 10:32 AM, Phil Schaffner philip.r.schaff...@nasa.gov
wrote:
Boris Epstein wrote on 02/04/2012 11:57 AM:
What is RAID0+1?
Nested RAID. Paraphrasing http://en.wikipedia.org/wiki/RAID :
For a
On 02/05/12 2:42 PM, Boris Epstein wrote:
What you are saying seems to make sense actually. I wonder how much a RAID6
with a few spares would make sense. If we are talking a large number of
disks then RAID 6 + 2 spares means overpaying only for 5 disks. Not a lot
if the total number of them
On Feb 5, 2012, at 5:42 PM, Boris Epstein borepst...@gmail.com wrote:
What you are saying seems to make sense actually. I wonder how much a RAID6
with a few spares would make sense. If we are talking a large number of
disks then RAID 6 + 2 spares means overpaying only for 5 disks. Not a lot
On 02/05/12 3:24 PM, Ross Walker wrote:
It might be easier to do the striping in software cause that's a zero
over-head operation and it makes the hardware RAID easier to setup, maintain
and can make rebuilds less painful depending on the controller.
I just tried a bunch of combinations on a
On 02/06/2012 12:33 AM, John R Pierce wrote:
On 02/05/12 3:24 PM, Ross Walker wrote:
It might be easier to do the striping in software cause that's a zero
over-head operation and it makes the hardware RAID easier to setup, maintain
and can make rebuilds less painful depending on the
On 02/05/12 3:49 PM, Ljubomir Ljubojevic wrote:
What about Software RAID 10 (far)? It gives 2 x read speed and 1 x write
speed (speed of single HDD).
we use raid10 for all our database servers. often as many as 20 disks
in a single raid set.
--
john r pierceN
Boris Epstein writes:
Hello listmates,
This is not specifically CentOS-related - though I will probably execute
this design on CentOS if I decide to do so. It will certainly be some kind
of Linux.
At any rate, here's my situation. I would like to build a fairly large
storage solution
Hi,
I'm happily running moosefs (packages available in rpmforge repo) for a
year and a half, 120TB, soon 200. So easy to setup and grow it's
indecent :)
Laurent.
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Hello Boris,
I'm in a similar search for a scalable and resilient solution. So far I
like
glusterfs, relatively easy to setup, no meta-server required, decent
performance, but I haven't tested it thoroughly. Been playing with their
latest beta release in a raid0+1 setup; haven't managed
On Sat, Feb 4, 2012 at 11:41 AM, Laurent Wandrebeck
l.wandreb...@gmail.comwrote:
Hi,
I'm happily running moosefs (packages available in rpmforge repo) for a
year and a half, 120TB, soon 200. So easy to setup and grow it's
indecent :)
Laurent.
Boris Epstein writes:
Hello Boris,
I'm in a similar search for a scalable and resilient solution. So far I
like
glusterfs, relatively easy to setup, no meta-server required, decent
performance, but I haven't tested it thoroughly. Been playing with their
latest beta release in a raid0+1
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