Re: [ClusterLabs] Suggestions for multiple NFS mounts as LSB script

2020-06-29 Thread Strahil Nikolov
NFS mounting ... This sounds the perrfect candidate for autofs or systemd's '.automount'. Have you thought about systemd automounting your NFS ? It will allow you to automatically mount on demand and umount based on inactivity to prevent stale NFS mounts on network issues. If you still wish

Re: [ClusterLabs] Antw: [EXT] Suggestions for multiple NFS mounts as LSB script

2020-06-29 Thread Ken Gaillot
On Mon, 2020-06-29 at 13:20 -0400, Tony Stocker wrote: > On Mon, Jun 29, 2020 at 11:08 AM Ulrich Windl > wrote: > > > > You could construct a script that generates the commands needed, so > > it would > > be rather easy to handle. > > True. The initial population wouldn't be that burdensome. I

Re: [ClusterLabs] Antw: [EXT] Suggestions for multiple NFS mounts as LSB script

2020-06-29 Thread Andrei Borzenkov
29.06.2020 20:20, Tony Stocker пишет: > >> >> >> The most interesting part seems to be the question whow you define (and >> detect) a failure that will cause a node switch. > > That is a VERY good question! How many mounts failed is the critical > number when you have 130+? If a single one

Re: [ClusterLabs] Antw: [EXT] Suggestions for multiple NFS mounts as LSB script

2020-06-29 Thread Tony Stocker
On Mon, Jun 29, 2020 at 11:08 AM Ulrich Windl wrote: > > You could construct a script that generates the commands needed, so it would > be rather easy to handle. True. The initial population wouldn't be that burdensome. I was thinking of later when my coworkers have to add/remove mounts. I,

Re: [ClusterLabs] [Off-topic] Message threading (Was: Antw: [EXT] Re: Two node cluster and extended distance/site failure)

2020-06-29 Thread Andrei Borzenkov
29.06.2020 14:57, Ulrich Windl пишет: Klaus Wenninger schrieb am 29.06.2020 um 10:12 in > Nachricht > > [...] >> My mailer was confused by all this combinations of >> "Antw: Re: Antw:" anddidn't compose mails into a >> thread properly. Which is why I missed further >> discussion where it

[ClusterLabs] Antw: [EXT] Suggestions for multiple NFS mounts as LSB script

2020-06-29 Thread Ulrich Windl
>>> Tony Stocker schrieb am 29.06.2020 um 15:15 in Nachricht <31558_1593436561_5EF9E991_31558_332_1_CACLi31XRhAm41CczAS9yoHadd+y6ByBTt7YWXrF_ p4ffv1...@mail.gmail.com>: > Hello > > We have a system which has become critical in nature and that > management wants to be made into a high‑available

[ClusterLabs] Suggestions for multiple NFS mounts as LSB script

2020-06-29 Thread Tony Stocker
Hello We have a system which has become critical in nature and that management wants to be made into a high-available pair of servers. We are building on CentOS-8 and using Pacemaker to accomplish this. Without going into too much detail as to why it's being done, and to avoid any

[ClusterLabs] [Off-topic] Message threading (Was: Antw: [EXT] Re: Two node cluster and extended distance/site failure)

2020-06-29 Thread Ulrich Windl
>>> Klaus Wenninger schrieb am 29.06.2020 um 10:12 in Nachricht [...] > My mailer was confused by all this combinations of > "Antw: Re: Antw:" anddidn't compose mails into a > thread properly. Which is why I missed further > discussion where it was definitely still about > shared-storage and

Re: [ClusterLabs] clusterlabs.github.io

2020-06-29 Thread Jehan-Guillaume de Rorthais
On Mon, 29 Jun 2020 10:37:27 +0100 Christine Caulfield wrote: > On 29/06/2020 10:27, Jehan-Guillaume de Rorthais wrote: > > On Mon, 29 Jun 2020 09:27:00 +0100 > > Christine Caulfield wrote: > > > >> Is anyone (else) using this? > > > > I do: https://clusterlabs.github.io/PAF/ > > > >>

Re: [ClusterLabs] clusterlabs.github.io

2020-06-29 Thread Christine Caulfield
On 29/06/2020 10:27, Jehan-Guillaume de Rorthais wrote: > On Mon, 29 Jun 2020 09:27:00 +0100 > Christine Caulfield wrote: > >> Is anyone (else) using this? > > I do: https://clusterlabs.github.io/PAF/ > >> We publish the libqb man pages to clusterlabs.github.io/libqb but I >> can't see any

Re: [ClusterLabs] clusterlabs.github.io

2020-06-29 Thread Jehan-Guillaume de Rorthais
On Mon, 29 Jun 2020 09:27:00 +0100 Christine Caulfield wrote: > Is anyone (else) using this? I do: https://clusterlabs.github.io/PAF/ > We publish the libqb man pages to clusterlabs.github.io/libqb but I > can't see any other clusterlabs projects using it (just by adding, eg, > /pacemaker to

[ClusterLabs] clusterlabs.github.io

2020-06-29 Thread Christine Caulfield
Is anyone (else) using this? We publish the libqb man pages to clusterlabs.github.io/libqb but I can't see any other clusterlabs projects using it (just by adding, eg, /pacemaker to the hostname). With libqb 2.0.1 having actual man pages installed with it - which seems far more useful to me - I

Re: [ClusterLabs] Two node cluster and extended distance/site failure

2020-06-29 Thread Klaus Wenninger
On 6/29/20 10:12 AM, Klaus Wenninger wrote: > On 6/29/20 9:56 AM, Klaus Wenninger wrote: >> On 6/24/20 8:09 AM, Andrei Borzenkov wrote: >>> Two node is what I almost exclusively deal with. It works reasonably >>> well in one location where failures to perform fencing are rare and can >>> be

Re: [ClusterLabs] Two node cluster and extended distance/site failure

2020-06-29 Thread Klaus Wenninger
On 6/29/20 9:56 AM, Klaus Wenninger wrote: > On 6/24/20 8:09 AM, Andrei Borzenkov wrote: >> Two node is what I almost exclusively deal with. It works reasonably >> well in one location where failures to perform fencing are rare and can >> be mitigated by two different fencing methods. Usually SBD

Re: [ClusterLabs] Two node cluster and extended distance/site failure

2020-06-29 Thread Klaus Wenninger
On 6/24/20 8:09 AM, Andrei Borzenkov wrote: > Two node is what I almost exclusively deal with. It works reasonably > well in one location where failures to perform fencing are rare and can > be mitigated by two different fencing methods. Usually SBD is reliable > enough, as failure of shared