I'm using gfs2 to host KVM vm image files for a pair of clustered hosts. Am using iscsi targets for the vm data devices however as they are hosting imap spools. No stability issues or performance problems I can readily or easily attribute to the gfs2 FS in my use case. // Thomas On Mar 13, 2011, at 9:37 AM, yue <ooolinux@xxxxxxx> wrote: > 1.i need gfs2 or ocfs2 to store xen-disk image file(20G--100G),it is big file. the underlying storage is fc-san. both of them have cluster sence.so they fit for me. > if gfs2 is ready for product? anyone use gfs2 in product? stability is the most important thing. > 2.i have try gfs2 and ocfs2 , iozone shows , gfs2 has a good throughput when record>=512k and file size > 4G. > 3.my kernel is 2.6.32 and latest. > > > At 2011-03-13 12:48:17ï"Alan Brown" <ajb2@xxxxxxxxxxxxxx> wrote: > > >On 12/03/11 23:13, Bob Peterson wrote: > >> Agreed. We're abundantly aware of the performance problems, > >> and we're not ignoring them. > > > >I know Bob, thanks. > > > >> (1) We recently found and fixed a problem that caused the > >> dlm to pass locking traffic much slower than possible. > > > >Is this rolled into 2.6.18-238.5.1.el5 ? > > > >> (2) We recently increased the speed and accuracy of fsck.gfs2 > >> quite a bit. > > > >Noted and appreciated. I had cause to use them a few days ago. > > > >> (3) We also recently developed a patch that improves GFS2's > >> management of cluster locks by making hold times self-tuning. > >> This makes gfs2 perform much faster in many situations. > > > >Great > > > >> (4) We've recently developed another performance patch that > >> sped up clustered deletes (unlinks) as much as 25%. > > > >Good. This has been a real cow but at least for this kind of thing users > >simply tend to go for lunch and let it run. > > > >> (5) We recently identified and fixed a performance problem > >> related to writing large files that sped things up considerably. > > See question 1 :) > > > >Can I get hotfixes if possible? (el5.6 x64) > > > >AB > > > > > > > >-- > >Linux-cluster mailing list > >Linux-cluster@xxxxxxxxxx > >https://www.redhat.com/mailman/listinfo/linux-cluster > > > -- > Linux-cluster mailing list > Linux-cluster@xxxxxxxxxx > https://www.redhat.com/mailman/listinfo/linux-cluster -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster
