OK. I will send the initial patch in few days. Thanks, Stan On Fri, 2003-06-13 at 19:49, Dominik Vogt wrote: > On Fri, Jun 13, 2003 at 07:22:44PM +0800, Stanley Wang wrote: > > It sounds good. > > In fact, I want to do the reclaim work in a user space tool originally > > too. It's safer and easier way. But this way means that you must umount > > the SAN-disks from every nodes. I don't know whether it is acceptable. > > Hence I choice to implement the reclaiming function in ogfs_inoded. And > > we could reclaim excess freemeta blocks without influencing the normal > > work of ogfs. And of course this solution should cause performance > > downgrad. The key point is whether it is worthy to do so. > > > > And another choice: the user space tool is just a ioctl or something > > alike, it is the same as the implementation in ogfs_inoded() execpt for > > less performance downgrade. The reclaiming action is only executed when > > we want. How do you think about this solution ? > > Sounds good as long we don't let it reclaim blocks automatically. > By the way, the same thing would be useful for freeing inode > blocks. > > > On Fri, 2003-06-13 at 15:49, Dominik Vogt wrote: > > > On Fri, Jun 13, 2003 at 11:47:18AM +0800, Stanley Wang wrote: > > > > Hi, Folks > > > > I found that the ogfs couldn't reclaim the excess freemeta blocks to the > > > > freedata blocks When I read the On-Disk layout doc. Hence I think that > > > > we should add a cleaner to resolve this issue. > > > > > > > > My plan is that ogfs_inoded should be responsible for scaning all rgrp > > > > and reclaim the excess freemeta. It go though the rgrp list and clean > > > > the rgrps one by one when waked up. > > > > > > > > Any comments or suggestinos? > > > > > > I suggest to do it as a standalone tool for the beginning. Ogfs > > > tries to cluster its meta blocks and simply converting them back > > > to data blocks once a high watermark is reached may have > > > catastrophic effects on keeping data local on the disk. > > > > > > > I will send out the patch in few days if you feel good for this RFC. > > Bye > > Dominik ^_^ ^_^ > > > ------------------------------------------------------- > This SF.NET email is sponsored by: eBay > Great deals on office technology -- on eBay now! Click here: > http://adfarm.mediaplex.com/ad/ck/711-11697-6916-5 > _______________________________________________ > Opengfs-devel mailing list > Opengfs-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/opengfs-devel -- Opinions expressed are those of the author and do not represent Intel Corporation ------------------------------------------------------- This SF.NET email is sponsored by: eBay Great deals on office technology -- on eBay now! Click here: http://adfarm.mediaplex.com/ad/ck/711-11697-6916-5 _______________________________________________ Opengfs-devel mailing list Opengfs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/opengfs-devel