Hi Nhat Pham, Pushed to `http://hg.code.sf.net/p/opensaf/documentation` ============================================================ changeset: 169:09143a38da93 tag: tip user: Nhat Pham <[email protected]> date: Mon Apr 04 13:25:00 2016 +0530 summary: cpsv: updated CPSV PR with cloud resilience feature
============================================================ -AVM On 4/4/2016 11:36 AM, Nhat Pham wrote: > > Hi Mahesh, > > The document was updated as your comments. Please have a look. > > Best regards, > > Nhat Pham > > *From:*A V Mahesh [mailto:[email protected]] > *Sent:* Monday, April 4, 2016 11:33 AM > *To:* Nhat Pham <[email protected]>; > [email protected] > *Subject:* Re: [opensaf:tickets] #1621 cpsv: add support for 'cloud > resilience' feature > > Hi Nhat Pham. > > Please do update the about the limitation of no-collocated case > replicas UN-recoverable specific case > and to mention that ticket `/#1700 cpsv: re-create the checkpoint > without any sections in case the all replicas is lost/` > will address the issue in future. > > Replica is user data, any loss of user data to be cautioned in PR > > -AVM > > > > On 3/23/2016 7:47 AM, Nhat Pham wrote: > > Hi Mahesh, > > Would you have any comment about the document? If so can > you please > help to push it. Thanks. > > Best regards, > Nhat Pham > > -----Original Message----- > From: Nhat Pham [mailto:[email protected]] > Sent: Monday, March 14, 2016 2:30 PM > To: 'A V Mahesh' <[email protected]> > <mailto:[email protected]> > Subject: RE: [opensaf:tickets] #1621 cpsv: add support for > 'cloud > resilience' > feature > > Hi Mahesh, > > The PR was updated. Please have a look at the attachment. > Thanks. > > Best regards, > Nhat Pham > > -----Original Message----- > From: A V Mahesh [mailto:[email protected]] > Sent: Monday, March 14, 2016 11:52 AM > To: Nhat Pham <[email protected]> > <mailto:[email protected]> > Subject: Re: [opensaf:tickets] #1621 cpsv: add support for > 'cloud > resilience' > feature > > Ok , then we will also do it. > > -AVM > > On 3/14/2016 10:17 AM, Nhat Pham wrote: > > Hi Anders, > > I see that Log service will update the PR for 'cloud > resilience'. Is > it same for the other services? > > Best regards, > Nhat Pham-----Original Message----- > From: A V Mahesh [mailto:[email protected]] > Sent: Monday, March 14, 2016 11:17 AM > To: Nhat Pham <[email protected]> > <mailto:[email protected]> > Subject: Re: [opensaf:tickets] #1621 cpsv: add support > for 'cloud > resilience' > feature > > It dependence : > Is other services updating PR for 'cloud resilience' > feature or just > ok with README.HEADLESS ? > > -AVM > > On 3/14/2016 9:36 AM, Nhat Pham wrote: > > Hi Mahesh, > > Should I create a ticket to update the CPSV PR > document for this feature? > > Best regards, > Nhat Pham > > -----Original Message----- > From: A V Mahesh (AVM) [mailto:[email protected]] > Sent: Friday, March 11, 2016 11:09 AM > To: [opensaf:tickets] > <[email protected]> > <mailto:[email protected]> > Subject: [opensaf:tickets] #1621 cpsv: add support > for 'cloud resilience' > feature > > - **status**: review --> fixed > - **Comment**: > > changeset: 7319:6ddbce46d3e6 > tag: tip > user: Nhat Pham <[email protected]> > <mailto:[email protected]> > date: Fri Mar 11 09:07:35 2016 +0530 > summary: cpsv: Support preserving and > recovering checkpoint replicas > during headless state [#1621] > > > > --- > > ** [tickets:#1621] cpsv: add support for 'cloud > resilience' > feature** > > **Status:** fixed > **Milestone:** 5.0.FC > **Created:** Mon Dec 07, 2015 08:03 AM UTC by Pham > Hoang Nhat **Last > Updated:** Wed Jan 06, 2016 08:44 AM UTC > **Owner:** Pham Hoang Nhat > > > This enhance supports to preseve checkpoint > replicas in case both > SCs down (headless state) and recover replicas in > case one of SCs up > again. If both SCs goes down, checkpoint replicas > on surviving nodes > still remain. When a SC is available again, > surviving replicas are > automatically registered to the SC checkpoint > database. Content in > surviving replicas are intact and synchronized to > new replicas. When > no SC is available, client API calls changing > checkpoint > configuration which requires SC communication, are > rejected. > Client API calls reading and writing existing > checkpoint replicas > still work. > > Limitation: > The CKPT service doesn't support recovering > checkpoints in following > cases: > . The checkpoint which is unlinked before > headless. > . The non-collocated checkpoint has active > replica locating on SC. > . The non-collocated checkpoint has active > replica locating on a PL and > this > PL restarts during headless. > In these cases, the checkpoint replica is > destroyed. The fault code > SA_AIS_ERR_BAD_HANDLE is returned when the client > accesses the > checkpoint. The client must re-open the checkpoint. > While in headless condition, accessing checkpoint > replicas doesn't > working if the node which hosts the active replica > goes down. It > will back working when a SC available again. > > > --- > > Sent from sourceforge.net because you indicated > interest in > <https://sourceforge.net/p/opensaf/tickets/1621/> > <https://sourceforge.net/p/opensaf/tickets/1621/> > > > > To unsubscribe from further messages, please visit > <https://sourceforge.net/auth/subscriptions/> > <https://sourceforge.net/auth/subscriptions/> > ------------------------------------------------------------------------------ _______________________________________________ Opensaf-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/opensaf-devel
