From: Tomasz Chmielewski <mangoo@wpkg.org>
To: Sage Weil <sage@newdream.net>
Cc: ceph-devel@vger.kernel.org
Subject: Re: ceph, slow (cheap) and fast (expensive) storage?
Date: Wed, 09 Jun 2010 16:55:34 +0200 [thread overview]
Message-ID: <4C0FAB66.6030003@wpkg.org> (raw)
In-Reply-To: <Pine.LNX.4.64.1006081047120.15202@cobra.newdream.net>
Am 08.06.2010 19:51, Sage Weil wrote:
> On Tue, 8 Jun 2010, Tomasz Chmielewski wrote:
>> I'd like to build a cluster for storing large amounts of data.
>>
>> The cluster would consist of slow (cheap) storage and fast (expensive)
>> storage.
>>
>> I would like to migrate data from fast (expensive) storage to slow (cheap)
>> storage if it wasn't accessed for, say, 6 months.
>>
>> Would ceph somehow help me achieve that?
>
> We don't currently have that functionality. In principle it's certainly
> something the system could do, and the underlying storage architecture
> lends itself to that:
Hmm, since quite recently, Linux kernel has FS-Cache, which:
This facility is a general purpose cache for network
filesystems, though it could be used for caching other things
such as ISO9660 filesystems too.
I wonder if it could work with ceph and/or traditional filesystems, too?
--
Tomasz Chmielewski
http://wpkg.org
next prev parent reply other threads:[~2010-06-09 14:55 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-08 10:30 ceph, slow (cheap) and fast (expensive) storage? Tomasz Chmielewski
2010-06-08 10:53 ` Wido den Hollander
2010-06-08 12:04 ` Tomasz Chmielewski
2010-06-08 13:13 ` ales-76
2010-06-08 12:41 ` Thomas Mueller
2010-06-08 18:03 ` Sage Weil
2010-06-08 17:51 ` Sage Weil
2010-06-09 14:55 ` Tomasz Chmielewski [this message]
2010-06-09 15:11 ` Wido den Hollander
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