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Re: [Moosefs-users] chunkserver priority?
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From: Michal B. <mic...@ge...> - 2011-03-01 13:22:00
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Hi! This is quite an interesting suggestion of computers usage but not that easy to implement. We could think of "auxiliary chunkserver" but we should how to interpret goal value. Does goal=2 mean that we need to have 2 copies on the main chunkservers and one extra on the auxiliary one or one at the main and one at the auxiliary? How would the master know that auxiliary chunkserver would be permanently unavailable? So for now we put it in the section "nice ideas" and we'll come back to it. Kind regards Michał -----Original Message----- From: Giovanni Toraldo [mailto:gt...@li...] Sent: Friday, February 25, 2011 3:41 PM To: moo...@li... Subject: [Moosefs-users] chunkserver priority? Hi, I was wondering about the ability to configure a priority flag for each available chunkserver: on my setup I have two servers, a master+chunk and a metalogger+chunk, and a bunch of desktop client (now ~50, but they will probably increase in the future). Each client has a spare disk of 40/80/160 GB, that are mostly unused. What if I use each desktop client as a small chunk server? The problem is that even with an high number of goal, maybe some chunks will be placed on nodes that are currently offline on a particular moment of the day (mostly part-time worker here). If I was able to configure as high priority the 2 big chunkserver and as low priority the small chunkservers, I would be pretty sure that at least the first two copies of a chunk are always on the servers. Any comment is greatly appreciated. Thanks. -- Giovanni Toraldo http://www.libersoft.it/ ---------------------------------------------------------------------------- -- Free Software Download: Index, Search & Analyze Logs and other IT data in Real-Time with Splunk. Collect, index and harness all the fast moving IT data generated by your applications, servers and devices whether physical, virtual or in the cloud. Deliver compliance at lower cost and gain new business insights. http://p.sf.net/sfu/splunk-dev2dev _______________________________________________ moosefs-users mailing list moo...@li... https://lists.sourceforge.net/lists/listinfo/moosefs-users |
