search for: subrahmanya

On Wed, Mar 14, 2018 at 5:42 PM, Karthik Subrahmanya <ksubrahm at redhat.com> wrote: > > > On Wed, Mar 14, 2018 at 3:36 PM, Anatoliy Dmytriyev <tolid at tolid.eu.org> > wrote: > >> Hi Karthik, >> >> >> Thanks a lot for the explanation. >> >> Does it mean a distributed volume health can b...

On Tue, Feb 27, 2018 at 04:59:36PM +0530, Karthik Subrahmanya wrote: > > > Since arbiter bricks need not be of same size as the data bricks, if you > > > can configure three more arbiter bricks > > > based on the guidelines in the doc [1], you can do it live and you will > > > have the distribution count also unchanged. &gt...

...this option will be reduced to, for > example, 5%? Could you point to any best practice document(s)? > Yes you can decrease it to any value. There won't be any side effect. Regards, Karthik > > Regards, > > Anatoliy > > > > > > On 2018-03-13 16:46, Karthik Subrahmanya wrote: > > Hi Anatoliy, > > The heal command is basically used to heal any mismatching contents > between replica copies of the files. > For the command "gluster volume heal <volname>" to succeed, you should > have the self-heal-daemon running, > which is tru...

On Tue, Feb 27, 2018 at 03:20:25PM +0530, Karthik Subrahmanya wrote: > If you want to use the first two bricks as arbiter, then you need to be > aware of the following things: > - Your distribution count will be decreased to 2. What's the significance of this? I'm trying to find documentation on distribution counts in gluster, but my google...

On Tue, Feb 27, 2018 at 5:35 PM, Dave Sherohman <dave at sherohman.org> wrote: > On Tue, Feb 27, 2018 at 04:59:36PM +0530, Karthik Subrahmanya wrote: > > > > Since arbiter bricks need not be of same size as the data bricks, if > you > > > > can configure three more arbiter bricks > > > > based on the guidelines in the doc [1], you can do it live and you > will > > > > have the distribu...

On Tue, Feb 27, 2018 at 4:18 PM, Dave Sherohman <dave at sherohman.org> wrote: > On Tue, Feb 27, 2018 at 03:20:25PM +0530, Karthik Subrahmanya wrote: > > If you want to use the first two bricks as arbiter, then you need to be > > aware of the following things: > > - Your distribution count will be decreased to 2. > > What's the significance of this? I'm trying to find documentation on > distribution cou...

On Tue, Feb 27, 2018 at 12:00:29PM +0530, Karthik Subrahmanya wrote: > I will try to explain how you can end up in split-brain even with cluster > wide quorum: Yep, the explanation made sense. I hadn't considered the possibility of alternating outages. Thanks! > > > It would be great if you can consider configuring an arbiter or > &g...

...to > where? /, <path from top of brick>, ? > > On Mon, 2017-10-23 at 18:54 +0000, Matt Waymack wrote: > > In my case I was able to delete the hard links in the .glusterfs folders > of the bricks and it seems to have done the trick, thanks! > > > > *From:* Karthik Subrahmanya [mailto:ksubrahm at redhat.com] > *Sent:* Monday, October 23, 2017 1:52 AM > *To:* Jim Kinney <jim.kinney at gmail.com>; Matt Waymack <mwaymack at nsgdv.com> > *Cc:* gluster-users <Gluster-users at gluster.org> > *Subject:* Re: [Gluster-users] gfid entries in volume he...

On Mon, Feb 26, 2018 at 05:45:27PM +0530, Karthik Subrahmanya wrote: > > "In a replica 2 volume... If we set the client-quorum option to > > auto, then the first brick must always be up, irrespective of the > > status of the second brick. If only the second brick is up, the > > subvolume becomes read-only." > > > By...

...ake some time. Can't bring the up machine offline as it's in use. At least I have 24 cores to work with. I've only tested with one GFID but the file it referenced _IS_ on the down machine even though it has no GFID in the .glusterfs structure. On Tue, 2017-10-24 at 12:35 +0530, Karthik Subrahmanya wrote: > Hi Jim, > > Can you check whether the same hardlinks are present on both the > bricks & both of them have the link count 2? > If the link count is 2 then "find <brickpath> -samefile > <brickpath/.glusterfs/<first two > bits of gfid>/<next...

...name and if so relative to where? /, <path from top of brick>, ? On Mon, 2017-10-23 at 18:54 +0000, Matt Waymack wrote: > In my case I was able to delete the hard links in the .glusterfs > folders of the bricks and it seems to have done the trick, thanks! > > > From: Karthik Subrahmanya [mailto:ksubrahm at redhat.com] > > > Sent: Monday, October 23, 2017 1:52 AM > > To: Jim Kinney <jim.kinney at gmail.com>; Matt Waymack <mwaymack at nsgdv.c > om> > > Cc: gluster-users <Gluster-users at gluster.org> > > Subject: Re: [Gluster-user...

...etwork Analyst 1 > Center of Advanced Research Computing > 1601 Central Ave > <https://maps.google.com/?q=1601+Central+Ave&entry=gmail&source=g>. > MSC 01 1190 > Albuquerque, NM 87131-0001 > carc.unm.edu > 575.636.4232 > > On Apr 7, 2018, at 8:29 AM, Karthik Subrahmanya <ksubrahm at redhat.com> > wrote: > > Hi Jose, > > Thanks for providing the volume info. You have 2 subvolumes. Data is > replicated within the bricks of that subvolumes. > First one consisting of Node A's brick1 & Node B's brick1 and the second > one consi...

On Tue, Feb 27, 2018 at 1:40 PM, Dave Sherohman <dave at sherohman.org> wrote: > On Tue, Feb 27, 2018 at 12:00:29PM +0530, Karthik Subrahmanya wrote: > > I will try to explain how you can end up in split-brain even with cluster > > wide quorum: > > Yep, the explanation made sense. I hadn't considered the possibility of > alternating outages. Thanks! > > > > > It would be great if you can consider...

In my case I was able to delete the hard links in the .glusterfs folders of the bricks and it seems to have done the trick, thanks! From: Karthik Subrahmanya [mailto:ksubrahm at redhat.com] Sent: Monday, October 23, 2017 1:52 AM To: Jim Kinney <jim.kinney at gmail.com>; Matt Waymack <mwaymack at nsgdv.com> Cc: gluster-users <Gluster-users at gluster.org> Subject: Re: [Gluster-users] gfid entries in volume heal info that do not heal Hi...

...seems that I deleted some files that shouldn't and the ovirt engine hosted on this volume was not able to start. Now I am setting up the engine from scratch... In case I see this kind of split brain again I will get back before I start deleting :) Alex On Mon, Feb 5, 2018 at 2:34 PM, Karthik Subrahmanya <ksubrahm at redhat.com> wrote: > Hi, > > I am wondering why the other brick is not showing any entry in split brain > in the heal info split-brain output. > Can you give the output of stat & getfattr -d -m . -e hex > <file-path-on-brick> from both the bricks. &gt...

...-arbiter/testset/306/30677af808ad578916f54783904e6342.pack trusted.gfid=0xe46e9a655128456bba0d98568d432717 Is it okay that only gfid info is available on the arbiter brick? -- Best Regards, Seva Gluschenko CTO @ http://webkontrol.ru (http://webkontrol.ru/) February 9, 2018 2:01 PM, "Karthik Subrahmanya" <ksubrahm at redhat.com (mailto:%22Karthik%20Subrahmanya%22%20<ksubrahm at redhat.com>)> wrote: On Fri, Feb 9, 2018 at 3:23 PM, Seva Gluschenko <gvs at webkontrol.ru (mailto:gvs at webkontrol.ru)> wrote: Hi Karthik, Thank you for your reply. The heal is still undergoing, as...

...c/net/dev -- eth3" output[ NOT OK] Errors seen in "cat /proc/net/dev -- mlx_ib0" output[ NOT OK] Errors seen in "cat /proc/net/dev -- enp131s0" outputHigh CPU usage by Self-heal NOTE: Bmidata2 up for over 300 days. due for reboot. On Tue, 2017-10-24 at 12:35 +0530, Karthik Subrahmanya wrote: > Hi Jim, > > Can you check whether the same hardlinks are present on both the > bricks & both of them have the link count 2? > If the link count is 2 then "find <brickpath> -samefile > <brickpath/.glusterfs/<first two > bits of gfid>/<next...

...root at gluster02 glusterfs]# --------------------------------- Jose Sanchez Systems/Network Analyst 1 Center of Advanced Research Computing 1601 Central Ave. MSC 01 1190 Albuquerque, NM 87131-0001 carc.unm.edu <http://carc.unm.edu/> 575.636.4232 > On Apr 12, 2018, at 12:11 AM, Karthik Subrahmanya <ksubrahm at redhat.com> wrote: > > > > On Wed, Apr 11, 2018 at 7:38 PM, Jose Sanchez <josesanc at carc.unm.edu <mailto:josesanc at carc.unm.edu>> wrote: > Hi Karthik > > Looking at the information you have provided me, I would like to make sure that I?m r...

...----------------- > Jose Sanchez > Systems/Network Analyst 1 > Center of Advanced Research Computing > 1601 Central Ave. > MSC 01 1190 > Albuquerque, NM 87131-0001 > carc.unm.edu <http://carc.unm.edu/> > 575.636.4232 > >> On Apr 12, 2018, at 12:11 AM, Karthik Subrahmanya <ksubrahm at redhat.com <mailto:ksubrahm at redhat.com>> wrote: >> >> >> >> On Wed, Apr 11, 2018 at 7:38 PM, Jose Sanchez <josesanc at carc.unm.edu <mailto:josesanc at carc.unm.edu>> wrote: >> Hi Karthik >> >> Looking at the info...

The version I am using is glusterfs 3.6.9 Best regards, Cynthia ???? MBB SM HETRAN SW3 MATRIX Storage Mobile: +86 (0)18657188311 From: Karthik Subrahmanya [mailto:ksubrahm at redhat.com] Sent: Thursday, September 28, 2017 2:37 PM To: Zhou, Cynthia (NSB - CN/Hangzhou) <cynthia.zhou at nokia-sbell.com> Cc: Gluster-users at gluster.org; gluster-devel at gluster.org Subject: Re: [Gluster-users] after hard reboot, split-brain happened, but nothing s...