All of lore.kernel.org
 help / color / mirror / Atom feed
From: Stefan Priebe <s.priebe@profihost.ag>
To: Christian Brunner <christian@brunner-muc.de>
Cc: Alexandre DERUMIER <aderumier@odiso.com>,
	ceph-devel@vger.kernel.org, Gregory Farnum <greg@inktank.com>
Subject: Re: Designing a cluster guide
Date: Sun, 20 May 2012 10:27:10 +0200	[thread overview]
Message-ID: <4FB8AADE.1000406@profihost.ag> (raw)
In-Reply-To: <CAJafhzRKCcSr37HjviAKRoMztv+twd5r+4Z99heUSy40G1rjag@mail.gmail.com>

Am 20.05.2012 10:19, schrieb Christian Brunner:
> - Cheap Object Storage (S3):
>
>    Many 3,5'' SATA Drives for the storage (probably in a RAID config)
>    A small and cheap SSD for the journal
>
> - Basic Block Storage (RBD):
>
>    Many 2,5'' SATA Drives for the storage (RAID10 and/or mutliple OSDs)
>    Small MaxIOPS SSDs for each OSD journal
>
> - High performance Block Storage (RBD)
>
>    Many large SATA SSDs for the storage (prbably in a RAID5 config)
>    stec zeusram ssd drive for the journal
That's exactly what i thought too but then you need a seperate ceph / 
rbd cluster for each type.

Which will result in a minimum of:
3x mon servers per type
4x osd servers per type
---

so you'll need a minimum of 12x osd systems and 9x mon systems.

Regards,
Stefan

  reply	other threads:[~2012-05-20  8:27 UTC|newest]

Thread overview: 53+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-05-10 12:09 slow performance even when using SSDs Stefan Priebe - Profihost AG
2012-05-10 13:09 ` Stefan Priebe - Profihost AG
2012-05-10 18:24   ` Calvin Morrow
2012-05-10 13:23 ` Designing a cluster guide Stefan Priebe - Profihost AG
2012-05-17 21:27   ` Gregory Farnum
2012-05-19  8:37     ` Stefan Priebe
2012-05-19 16:15       ` Alexandre DERUMIER
2012-05-20  7:56         ` Stefan Priebe
2012-05-20  8:13           ` Alexandre DERUMIER
2012-05-20  8:19           ` Christian Brunner
2012-05-20  8:27             ` Stefan Priebe [this message]
2012-05-20  8:31               ` Christian Brunner
2012-05-21  8:22                 ` Stefan Priebe - Profihost AG
2012-05-21 15:03                   ` Christian Brunner
2012-05-20  8:56             ` Tim O'Donovan
2012-05-20  9:24               ` Stefan Priebe
2012-05-20  9:46                 ` Tim O'Donovan
2012-05-20  9:49                   ` Stefan Priebe
2012-05-21 14:59               ` Christian Brunner
2012-05-21 15:05                 ` Stefan Priebe - Profihost AG
2012-05-21 15:12                   ` Tomasz Paszkowski
     [not found]                     ` <CANT588uxL7jrf1BfowUeer_AnDTfGjzkWVFhS4aNMaMSst_jyA@mail.gmail.com>
2012-05-21 15:36                       ` Tomasz Paszkowski
2012-05-21 18:15                         ` Damien Churchill
2012-05-21 20:11                     ` Stefan Priebe
2012-05-21 20:13                       ` Tomasz Paszkowski
2012-05-21 20:14                         ` Stefan Priebe
2012-05-21 20:19                           ` Tomasz Paszkowski
2012-05-21 15:07         ` Tomasz Paszkowski
2012-05-21 21:22           ` Sławomir Skowron
2012-05-21 23:52             ` Quenten Grasso
2012-05-22  0:30               ` Gregory Farnum
2012-05-22  0:42                 ` Quenten Grasso
2012-05-22  0:46                   ` Quenten Grasso
2012-05-22  5:51                     ` Sławomir Skowron
2012-05-29  7:25                       ` Quenten Grasso
2012-05-29 16:50                         ` Tommi Virtanen
2012-05-22  9:04                 ` Jerker Nyberg
2012-05-23  5:31                   ` Gregory Farnum
2012-05-23 19:47                     ` Jerker Nyberg
2012-05-23 21:47                       ` Gregory Farnum
2012-05-24  8:33                         ` Jerker Nyberg
2012-05-22  6:30             ` Stefan Priebe - Profihost AG
2012-05-22  6:59               ` Sławomir Skowron
2012-05-21 18:13       ` Gregory Farnum
2012-05-22  6:20         ` Stefan Priebe - Profihost AG
2012-06-29 18:07     ` Gregory Farnum
2012-06-29 18:42       ` Brian Edmonds
2012-06-29 18:50         ` Gregory Farnum
2012-06-29 20:59           ` Brian Edmonds
2012-06-29 21:11             ` Gregory Farnum
2012-06-29 21:18               ` Brian Edmonds
2012-06-29 21:30                 ` Gregory Farnum
2012-06-29 21:33                 ` Sage Weil

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=4FB8AADE.1000406@profihost.ag \
    --to=s.priebe@profihost.ag \
    --cc=aderumier@odiso.com \
    --cc=ceph-devel@vger.kernel.org \
    --cc=christian@brunner-muc.de \
    --cc=greg@inktank.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.