Re: [CentOS-virt] Shared Storage Options

2008-08-26 Thread Brett Worth
Todd Deshane wrote: A thread on the topic from the Xen mailing list: http://xen.markmail.org/search/?q=device+lock#query:device lock+page:1+mid:ouugxur56hqikqty+state:results That looks great. I'll try it out now. It does file based locking but could easily be modified to do flock based loc

Re: [CentOS-virt] Shared Storage Options

2008-08-26 Thread Christopher G. Stach II
Brett Worth wrote: > My original problem is still there however. I've tested the flock > functionality of OCFS2 and it works but Xen it seems doesn't do locking > even on a shared filesystem. It is possible that Xen is trying to do > some other sort of file locking but unfortunately OCFS2 only su

Re: [CentOS-virt] Shared Storage Options

2008-08-26 Thread Todd Deshane
Hi Brett, > I could write some scripts to replace xm which could check for the existence > of a lock file before attempting to start a VM but that seems a bit clunky. > > Is there a proper way to do this? > A thread on the topic from the Xen mailing list: http://xen.markmail.org/search/?q=device+

Re: [CentOS-virt] Shared Storage Options

2008-08-26 Thread Brett Worth
on on CentOS Subject: [CentOS-virt] Shared Storage Options Hello all. I would like to canvas some opinions on options for shared storage in a Xen cluster. So far I've experimented with using iSCSI and clvm which mixed success. The primary concern I have with both of these options is that the

[CentOS-virt] Shared Storage Options

2008-08-21 Thread Brett Worth
Hello all. I would like to canvas some opinions on options for shared storage in a Xen cluster. So far I've experimented with using iSCSI and clvm which mixed success. The primary concern I have with both of these options is that there seems to be no obvious way to ensure exclusive access to