[Gluster-users] Unify and single namespace
a s p a s i a
aspasia.sf at gmail.com
Wed Dec 3 14:08:21 UTC 2008
thanks for the response!!!
> Its not clear what do you mean by "dedicated server". All it needs is to
> have the filesystem which has enough space to hold namespace cache (which is
> small compared to actual data) and which can support large number of inodes
> (the whole directory structure of unify is replicated on this node with 0
> byte sized files).
ok, so namespace cache can be defined in the same server as any
storage node brick ...such as:
storage brick1 ----------- storage brick 2 ------------ storage brick
3 ---------- storage brick4
glusterfsd vol glustervsd vol
glusterfsd vol glusterfsd vol
>> • LINE 5: "option namespace namespace-child"
>> The option specifies that namespace-child should be used as a place
>> where the whole filesystem's namespace (ie, directory/file tree
>> structure) is maintained. Here 'namespace-child' needs to be another
>> volume which is already defined in the spec.
>> 'namespace-child' is configured like another server brick, except that
>> it's content is used to manage namespace. It should not be listed
>> along with the other subvolumes.
>> • LINE 6: "subvolumes child1 child2 child3 child4"
>> Here 'subvolumes' is an identifier for parser to tell that following
>> volumes are the 'children' nodes for current volume. 'subvolumes'
>> takes one or more volume names as argument. Here child1, child2,
>> child3, child4 are also named as storage nodes as these are the nodes
>> where actual data is storaged.
>> Could someone point me to a site that potentially diagrams a summary
>> of a simple Gluster with Unify and AFR installed?
>> I found this site:
>> http://ftp.zresearch.com/pub/gluster/glusterfs/talks/Z/GlusterFS.pdf -
>> page 5 - shows the Unify stack in the client, but I still am unable to
>> conceive where the metadata - single namespace information - is
>> I apologize if my question is quite naive, but I'm a bit confused.
>> thanks in advanced,
>> Gluster-users mailing list
>> Gluster-users at gluster.org
> Raghavendra G
A S P A S I A
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