> +gluster-devel > > ----- Original Message ----- > From: "Joseph Fernandes" <josferna@xxxxxxxxxx> > To: "Mohammed Rafi K C" <rkavunga@xxxxxxxxxx> > Cc: "Nithya Balachandran" <nbalacha@xxxxxxxxxx>, rhgs-tiering@xxxxxxxxxx > Sent: Monday, February 22, 2016 4:21:48 PM > Subject: Re: Removing Fix layout during attach > > Thanks Rafi for the follow up mail after the call. > > 1. Yep first we will have a background fixlayout which will serve two things > a. Proactive healing of directories so that the first io need not do it. > b. CTR Database heal using lookups. > > 2. The race (https://bugzilla.redhat.com/show_bug.cgi?id=1286208.) is the > view consistency issue of gluster and will happen anyhow. > > Regards, > Joe Something else that can be considered - does the tier daemon really require all subvols to be up? > > > ----- Original Message ----- > From: "Mohammed Rafi K C" <rkavunga@xxxxxxxxxx> > To: "Joseph Fernandes" <josferna@xxxxxxxxxx>, "Nithya Balachandran" > <nbalacha@xxxxxxxxxx> > Cc: rhgs-tiering@xxxxxxxxxx > Sent: Monday, February 22, 2016 4:13:17 PM > Subject: Re: Removing Fix layout during attach > > > > On 02/22/2016 12:24 PM, Joseph Fernandes wrote: > > Hi Nithya/Rafi, > > > > Could you please let me know what are the implication of not having fix > > layout during attach tier. > > One of the major problem is the performance drop, can be neutralized by > having a background fix-layout. Again if we are planning to have a > background fix-layout, though it is independent of tier functionality it > is good to have a way to determine whether we completed a successful > fix-layout at least once, if so we don't need to run fix-layout for > every tier restart. > > Currently tier daemon will be killed if fix-layout fails, I think we can > remove this constrain. We can abort the back ground fix-layout, but in > my understanding we don't need to stop the tier process. > > > > > I am looking into this issue now and would like to know what are prior > > discussion that happened before. Just getting insync. > This is the one of the open bug [1] that I'm aware of, which can hit in > this case. But this race is independent of tier and fix-layout all > together. So we can move forward , and this can be fixed parallel. > > [1] : https://bugzilla.redhat.com/show_bug.cgi?id=1286208. > > Regards! > Rafi KC > > > > > Regards, > > Joe > > _______________________________________________ Gluster-devel mailing list Gluster-devel@xxxxxxxxxxx http://www.gluster.org/mailman/listinfo/gluster-devel