From: Fyodor Ustinov <ufm@ufm.su>
To: Sage Weil <sage@newdream.net>
Cc: ceph-devel@vger.kernel.org
Subject: Re: CRUSH. What wrong?
Date: Mon, 30 May 2011 12:34:23 +0300 [thread overview]
Message-ID: <4DE3649F.60407@ufm.su> (raw)
In-Reply-To: <Pine.LNX.4.64.1105292052300.25744@cobra.newdream.net>
On 05/30/2011 06:54 AM, Sage Weil wrote:
> Hi Fyodor,
>
> The problem is your rules:
>
> On Sun, 29 May 2011, Fyodor Ustinov wrote:
>> # rules
>> rule data {
>> ruleset 0
>> type replicated
>> min_size 1
>> max_size 10
>> step take root
>> step choose firstn 0 type rack
> This is giving you N _racks_. You probably want
>
> step chooseleaf firstn 0 type rack
>
> which will give you N devices from distinct racks.
Mea culpa. :(
Thnx!
WBR,
Fyodor.
next prev parent reply other threads:[~2011-05-30 9:34 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-29 13:21 CRUSH. What wrong? Fyodor Ustinov
2011-05-30 3:54 ` Sage Weil
2011-05-30 9:34 ` Fyodor Ustinov [this message]
2011-05-30 9:44 ` Fyodor Ustinov
2011-05-30 9:50 ` Jeff Wu
2011-05-30 4:43 ` Sage Weil
2011-05-30 12:56 ` Jeff Wu
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