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Re: Xen with OpenLDAP

--On April 9, 2008 5:13:50 PM +0200 Buchan Milne <bgmilne@staff.telkomsa.net> wrote:

On a modern distribution, OpenLDAP (and other software using NPTL) should
work  without problems. The requirements are:

-Xen 3.1 hypervisor with PAE (older versions may also work)
-Recent-enough glibc (2.4, or 2.3 with the correct patches)

IOW, RHEL5/Centos 5 should work fine. In my experience this is the case.
I  fired up OpenLDAP 2.4.7 with db4.6 (with NPTL) on a RHEL 5.1 Xen DomU
(I  don't currently have a working RHEL5 Dom0) this morning without
problems, and  in the past I have run a more complete setups on Xen Dom0s.

In the cases I've seen, OpenLDAP started up just fine, and ran just fine, for a while. But at some point there'd be locking issues, and then the database was toast. So I remain quite leery of trusting that just because OpenLDAP starts that Xen is fine.



Quanah Gibson-Mount
Principal Software Engineer
Zimbra, Inc
Zimbra ::  the leader in open source messaging and collaboration