[Beowulf] What about ceph then?
atchley at tds.net
Wed Nov 28 05:58:41 PST 2012
On Wed, Nov 28, 2012 at 3:21 AM, Andrew Holway <andrew.holway at gmail.com>wrote:
Ceph is a distributed object-store (RADOS) with interfaces for various
upper levels including a POSIX-interface (also called ceph). A couple of
nice features include automated replication (three by default) and objects
are distributed using CRUSH rules which can take into account failure
domains (RAID controller, host, rack, row, etc.). The servers are all
userspace so no major kernel dependencies (except for syncfs support). They
are working on distributed metadata servers, but they are not recommended
yet. Some metadata operations are really fast, such as du, compared to
Lustre for example. So far, it only uses Sockets (TCP) and does not have
direct support for Verbs (IB or RoCE).
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