Re: [Ocfs2-users] Combining OCFS2 with Linux software RAID-0?

2009-12-14 Thread Luis Freitas
Brian,      Hmm, I was not aware of this. Seems Novel uses other volume manager, called EVMS, not CLVM (?).   From: http://wiki.novell.com/index.php/Linux_Data_Management   Some Open Source OCFS2 Features Oracle Linux Certification matrix OCFS2 project web site OCFS2 Development Roadmap Oracle

Re: [Ocfs2-users] Combining OCFS2 with Linux software RAID-0?

2009-12-14 Thread Sunil Mushran
That's old. sles11 has added the pacemaker cluster stack that works with clvm. Luis Freitas wrote: > Brian, > >Hmm, I was not aware of this. Seems Novel uses other volume > manager, called EVMS, not CLVM (?). > > From: > http://wiki.novell.com/index.php/Linux_Data_Management > > > >

[Ocfs2-users] ocfs2 become very slow

2009-12-14 Thread Dmitry Rybin
Hello! I have a problem. OCFS2 on mail storage (HP EVA 4400) 2TB (2 lvm *1TB), and ocfs2. For the first time ocfs2 works well (over 100-150 mb r/w), but now 5-10 mb r/w. :( Read from raw device - 80-100 mb/s. With one node - same problem. Very very slow. I stop all process, umount ocfs2, and make

Re: [Ocfs2-users] ocfs2 become very slow

2009-12-14 Thread Sunil Mushran
did you make any changes just before you noticed the slowdown? or, was this a gradual slowdown? how many files do you have in a typical directory? Dmitry Rybin wrote: > Hello! > > I have a problem. OCFS2 on mail storage (HP EVA 4400) 2TB (2 lvm > *1TB), and ocfs2. For the first time ocfs2 works w

Re: [Ocfs2-users] ocfs2 become very slow

2009-12-14 Thread Dmitry Rybin
In September 2009 update from ocfs2 1.4.1 to 1.4.4-1 In November 2009 update RHEL Kernel from 2.6.18.128 to 2.6.18-164.6.1.el5 (5.3 to 5.4) I cant say exactly, but I think it was gradual slowdown. 2TB lvm partition (not CLVM!!!) directories ~ 300'000 files ~ 30'000'000 Usually over 500 files per

Re: [Ocfs2-users] Combining OCFS2 with Linux software RAID-0?

2009-12-14 Thread Luis Freitas
Sunil,    I am getting too old for all these cluster stacks! Seems that heartbeat2 is deprecated...   Can ocfs2 be integrated with pacemaker in the same way as it was possible with heartbeat2 on Suse 10? I know that the RedHat cluster stack cannot, so I used to consider this as an additional fea