[Gluster-devel] glusterfs file replication question

[devzero at web.de]

what if i combine AFR with Stripe Translator ?

can this eventually help here?

if i stripe a large file into several smaller parts and then open/write to that large file - can i combine this with AFR and will all the parts of that file be re-transmitted ?

regards
roland


> -----Ursprüngliche Nachricht-----
> Von: <devzero at web.de>
> Gesendet: 17.02.08 22:23:14
> An: "Krishna Srinivas" <krishna at zresearch.com>
> CC: gluster-devel at nongnu.org
> Betreff: Re: [Gluster-devel] glusterfs file replication question


> 
> oh, that`s a real bandwidth killer / i/o hog then :)
> think of 500gig disk with lot`s of large files , connected with 100mbit network. 
> if many of the files are open at the time of a node going down, that will take hours then for resync.
> 
> is it planned to adress this to be handled more fficiently? for example just like fr1 from enbd ? (http://www.it.uc3m.es/ptb/nbd/#Intelligent_mirroring )
> 
> regards
> roland
> 
> > -----Ursprüngliche Nachricht-----
> > Von: "Krishna Srinivas" <krishna at zresearch.com>
> > Gesendet: 17.02.08 18:14:21
> > An: devzero at web.de
> > CC: gluster-devel at nongnu.org
> > Betreff: Re: [Gluster-devel] glusterfs file replication question
> 
> 
> > 
> > Hi Roland,
> > You are right. The entire file is copied.
> > Krishna
> > 
> > On Feb 17, 2008 5:12 PM,  <devzero at web.de> wrote:
> > > hello !
> > >
> > > first off, i think glusterfs is great. i have waited/searched very long for something like this!
> > > thanks for making it !
> > >
> > > i`m new to glusterfs and have a question:
> > >
> > > if i use afr to have redundant copies of files to be stored on 2 or more nodes - when one node goes down and comes back online - what does  this mean regarding transferred amount of data for "resync" ?
> > >
> > > say i had 10 files open at the time of the crash of a node, and each of those files is sized 1gb - will the "resync" then transfer 10gb of data over the network, i.e. doing a complete copy from the working node to the previously failed one ?
> > >
> > > regards
> > > roland
> > > sysadmin
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> > >
> > >
> > > _______________________________________________
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> > >
> > 
> 
> 


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