1.thanks, i have 20-100 nodes.
anyone knows how citrix does ?
At 2011-03-14 00:21:40，"Thomas Sjolshagen" <thomas@xxxxxxxxxxxxxx> wrote: >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 12:48:17，"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
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