Re: [Linux-ha-dev] [PATCH] Process monitor daemon

2008-01-22 Thread Lars Marowsky-Bree
On 2008-01-22T17:37:15, Keisuke MORI <[EMAIL PROTECTED]> wrote: > The background of why we developed this tool is that: > 1) We want to detect a process failure asynchronously, >not only by the periodic monitor operations, to cause a >failover faster to minimize the service downtime. Righ

Re: [Linux-ha-dev] Explain of some undocumented parameters to RA ?

2008-01-22 Thread Lars Marowsky-Bree
On 2008-01-22T17:38:14, Xinwei Hu <[EMAIL PROTECTED]> wrote: > Hi all, >I'm drafting a document on parameters passed to RA. Besides those mentioned > on opencf.org and linux-ha.org, I found a lot of CRM_meta_xxx parameters which > don't explained anyway (or I just missed ;-/) > >Here's a

[Linux-ha-dev] DB2 RA

2008-01-22 Thread Andreas Mather1
Hi all, I ran into some troubles with the DB2 RA on an asymmetrical 4 node cluster. I've changed the RA to cover my needs and want to share the patches (which I seperated as they address different issues): db2_asym.patch: The first one is about the return code of the RA in case the DB2 instanc

[Linux-ha-dev] Explain of some undocumented parameters to RA ?

2008-01-22 Thread Xinwei Hu
Hi all, I'm drafting a document on parameters passed to RA. Besides those mentioned on opencf.org and linux-ha.org, I found a lot of CRM_meta_xxx parameters which don't explained anyway (or I just missed ;-/) Here's a list of what I find out. Can someone explain it a bit ? =

Re: [Linux-ha-dev] [PATCH] Process monitor daemon

2008-01-22 Thread David Lee
On Tue, 22 Jan 2008, Keisuke MORI wrote: > Lars Marowsky-Bree <[EMAIL PROTECTED]> writes: > > [...] > > Instead of scanning /proc, which is very very Linux-specific, why not > > use the async waitpid call instead? Or, you might decide to > > poll()/select()/inotify() on the relevant proc dirs at l

Re: [Linux-ha-dev] [PATCH] Process monitor daemon

2008-01-22 Thread Keisuke MORI
Hi Lars, thank you for your comments. Lars Marowsky-Bree <[EMAIL PROTECTED]> writes: > On 2008-01-16T18:48:06, Keisuke MORI <[EMAIL PROTECTED]> wrote: > >> Hello all, >> >> We have developed a new feature that detects a process failure directly >> to reduce the failover time. >> >> If you're in