From: Loic Dachary <loic@dachary.org>
To: yue longguang <yuelongguang@gmail.com>, ceph-devel@vger.kernel.org
Subject: Re: questions about erasure coded pool and rados
Date: Fri, 17 Oct 2014 06:10:52 -0700 [thread overview]
Message-ID: <5441155C.3030401@dachary.org> (raw)
In-Reply-To: <CAPaK2r_B8TjUo63P3d-XOOQzdvz_bUhpgPHw9TXLngms4=4c9Q@mail.gmail.com>
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Hi,
In addition to Owen's answer:
On 17/10/2014 03:13, yue longguang wrote:
> 1. why erasure coded pool does not work with rbd?
> 2. i used rados command to put a file into erasue coded pool,then rm
> it. why the file remains on osd's backend fs all the time?
They will go away at some point but they are not removed from the file system immediately. There is however no risk that they re-appear in ceph ;-)
Cheers
> 3. what is the best use case with erasure coded pool?
> 4. command of 'rados ls' is to list objects, where are the object-name stored?
> 5.when a rbd file is put on erasure coded pool, where is the
> infomation(rbd name) of the rbd stored?
>
> thanks
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--
Loïc Dachary, Artisan Logiciel Libre
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prev parent reply other threads:[~2014-10-17 13:10 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-17 10:13 questions about erasure coded pool and rados yue longguang
2014-10-17 10:16 ` Owen Synge
2014-10-17 13:10 ` Loic Dachary [this message]
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