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Tony,
The HP product based on Lustre, "HP SFS" (see
http://www.hp.com/techservers/products/sfs.html ), uses a dual port
variant of the HP Modular Smart Array 20 Enclosure (see
http://h18004.www1.hp.com/products/servers/proliantstorage/sharedstorage/sacluster/msa20/index.html
) to solve the "server fails" problem. The price may not be as low as
buying the "drive de jour" from Fry''s, but it does get you on
the SATA
price curve rather than the fiber channel "enterprise class" RAID
array
price curve. Note that SFS is a productized version of Lustre based on
the 1.4 code stream and comes bundled with support, storage servers,
etc. so this is not a "free" version of Lustre.
Steve
Tony Requist wrote:
>With 400gig drives available for $250 this makes tons of sense.
>
>What are you doing for high availability and redundancy? I am guessing that
>you are:
>* running RAID for redundancy
>* if the server fails, the storage is just off-line
>* ? some type of off-line backup in case some weird failure toasts the
>entire set of disks
>
>I''ve been looking into cheap models for lots of storage (1-20 TB).
I have
>several web servers that could cheaply have 500-800gig of storage each, but
>it is this "server fails" case that has me stumped. I am not
physically
>close to where we have our cabinet hosted, so I really can''t count
on manual
>intervention if a server dies.
>
>I would love to use Lustre, but will be forced to a custom solution if I
>can''t figure a solution for this.
>
>- tony
>
>
>
>
>>-----Original Message-----
>>From: lustre-discuss-admin@lists.clusterfs.com
>>[mailto:lustre-discuss-admin@lists.clusterfs.com]On Behalf Of Jeffrey W.
>>Baker
>>Sent: Wednesday, June 22, 2005 12:08 PM
>>To: Lustre discuss
>>Subject: [Lustre-discuss] Cheap storage
>>
>>
>>I wonder if the list''s readers will mind mentioning how much
they budget
>>for a terabyte of storage. I had been spending about $4000/TB using
>>Apple XServe RAIDs, and I thought that was a pretty good deal. Now
I''m
>>putting 10 SATA disks in inexpensive 64-bit hosts and spending $1600/TB.
>>
>>I''m not counting software costs here. I''m using the
1.2 version of
>>Lustre. If you were using XSan, each additional node would cost you a
>>cool $1000. At the home office in New York, my company tends to spend
>>absurdly, up to $100k/TB, on iSCSI and other questionable technologies
>>from major vendors. It really seems that the Lustre model leads to
>>greatly reduced costs.
>>
>>-jwb
>>_______________________________________________
>>Lustre-discuss mailing list
>>Lustre-discuss@lists.clusterfs.com
>>https://lists.clusterfs.com/mailman/listinfo/lustre-discuss
>>
>>
>
>_______________________________________________
>Lustre-discuss mailing list
>Lustre-discuss@lists.clusterfs.com
>https://lists.clusterfs.com/mailman/listinfo/lustre-discuss
>
>
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title:Fellow
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