linstor-controller 1.28.0 hangs after startup

Hi all, hoping to get some ideas on how to investigate this issue further, including as many details as I can below... I've been a bit lax, and had a few issues with my linstor cluster recently, one of which was I ended up with some mis-matched versions on one or two satellites (ie, linstor-c

How to recover linstor-controller node?

Possibly a dumb question, but for a number of reasons, I have lost my linstor-controller node. I still have all other nodes up and running, but am missing any backup of the controller database. The main issue is that while the data is still available (both linstor-controller and backup systems)

Re: [DRBD-user] Can't shrink backing block device offline

On 15/7/21 20:40, Christophorus Reyhan wrote: Hello, I'm trying to shrink LVM backing block device offline because I use internal metadata, and I'm following this guide https://linbit.com/drbd-user-guide/drbd-guide-9_0-en/#s-shrinking-offline

Re: [DRBD-user] mounting drbd snapshots that contain vdo devices

On 21/6/21 12:21, Eric Robinson wrote: I have a filesystem directly on a drbd disk, and the drbd disk has an LVM volumes as a backing device. It looks like this… lvm volume     drbd disk     ext4 filesystem I can snapshot the backing device, mount i

[DRBD-user] linstor failure

Reposting the below as I guess early January wasn't the best time to get any responses. I'd really appreciate any assistance as I'd prefer to avoid rebuilding the VM from scratch (wasted hours, not lost data), but also I'd like to know how to resolve or avoid the issue in the future when I actu

[DRBD-user] linstor failure

I have a small test setup with 2 x diskless linstor-satellite nodes, and 4 x diskful linstor-satellite nodes, one of which is the linstor-controller. The idea is that the diskless node is the compute node (xen, running the VM's whose data is on linstor resources). I have 2 x test VM's, one wh

Re: [DRBD-user] drbd does not find metadata any more

On 26/11/20 23:08, Michael Schwartzkopff wrote: Hi, I tried to upgrade from CentOS 8.0 to 8.1. My installation has a self-compiled DRBD-9. After the upgrade my drbd does not start any more. the Status says: # drbdadm status r0 role:Secondary   disk:Diskless   dev02 connection:StandAlone

Re: [DRBD-user] drbd-9.0.26-rc1

Here is my failed compile attempt on Raspberry Pi 4 with Ubuntu 20.10: root@pi-03:/usr/src/drbd_manual/drbd-9.0.26-0rc1# make Need a git checkout to regenerate drbd/.drbd_git_revision make[1]: Entering directory '/usr/src/drbd_manual/drbd-9.0.26-0rc1/drbd'     Calling toplevel makefile of kernel

Re: [DRBD-user] drbd-9.0.25-1 doesn't build against linux 5.8

c(unsigned long size, gfp_t gfp_mask, pgprot_t prot); 5.8: extern void *__vmalloc(unsigned long size, gfp_t gfp_mask); will there be a short-term update? Thanks in advance Elimar -- Adam Goryachev Website Managers P: +61 2 8304 a...@websitemanagers.com.a

Re: [DRBD-user] linstor Error after adding resource to node

On 30/9/20 16:49, Gábor Hernádi wrote: Hi, I tried to recreate this issue, but without success. 4 Node setup, all LVM First create a resource with --auto-place 3, Create 9 other resources with --auto-place 4 Create the first resource on the 4th (missing) node Check "linstor volume list" That

[DRBD-user] linstor Error after adding resource to node

I'm still progressively testing linstor on a group of test servers, and now came across a new problem. I had everything working nicely with 4 x nodes, linstor n l showed all 4 working, machines would automatically come back after a reboot, and it all looked good. I deleted all the storage-pool

Re: [DRBD-user] linstor-server 1.9.0 release

DB file and start over again, but your LV/ZFS volumes will still be there. Your data will still be replicated, but the Satellite will delete the resource files once restarted. Cheers, Rene On Thu, Sep 24, 2020 at 4:55 PM Adam Goryachev <mailto:mailingli...@websitemanagers.com.au>>

Re: [DRBD-user] linstor-server 1.9.0 release

the DB file and start again? Is this data replicated to other nodes automatically? Thanks, Adam Cheers, Rene On Thu, Sep 24, 2020 at 2:48 PM Adam Goryachev <mailto:mailingli...@websitemanagers.com.au>> wrote: On 24/9/20 22:42, Rene Peinthor wrote: They are. And how do

Re: [DRBD-user] linstor-server 1.9.0 release

killed by signal 143 -> SIGTERM, 129 -> SIGHUP SuccessExitStatus=0 143 129 User=root PrivateTmp=yes [Install] WantedBy=multi-user.target Regards, Adam On Thu, Sep 24, 2020 at 2:19 PM Adam Goryachev <mailto:mailingli...@websitemanagers.com.au>> wrote: On 24/9/20 15:30, Rene

Re: [DRBD-user] linstor-server 1.9.0 release

toml file # For more options check documentation [db]   user = "linstor"   password = "linstor"   connection_url = "jdbc:h2:/var/lib/linstor/linstordb" Thanks, Adam On Wed, Sep 23, 2020 at 6:54 PM Adam Goryachev <mailto:mailingli...@websitemanagers.com.au>>

Re: [DRBD-user] linstor-server 1.9.0 release

;LT: +37068882880 >RU: +7913933 > >Tomorrow's possibilities today ><http://www.clustspace.com/> > > - 1 core CPU, 512MB RAM, 20GB (€2.50) > - 1 core CPU, 1GB RAM, 30GB (€5.00) > - 2 core CPU, 2GB RAM, 40GB (€10.00) > - 2 core CPU, 4GB RAM, 60GB (€

Re: [DRBD-user] linstor-server 1.9.0 release

Hi, After upgrading on one of my test nodes I got some errors, so I thought to upgrade the controller, and now I am unable to start the controller. Here is what I get in the system log: Sep 24 02:33:40 castle systemd[1]: Started LINSTOR Controller Service. Sep 24 02:33:41 castle Controller[10

Re: [DRBD-user] linstor issues

x27;t be anything quite as unexpected as this (#3) happening. Regards, Adam On 14/7/20 16:43, Adam Goryachev wrote: I'm having another crack at this, I think it will be worth it once it works. Firstly, another documentation error: https://www.linbit.com/drbd-user-guide/linstor-guid

Re: [DRBD-user] linstor issues

e VG allocated to linstor, but so far, there is no change in the current status (as per below). Would appreciate any suggestions on what might be going wrong, and/or how to fix it? Regards, Adam On 24/6/20 11:46, Adam Goryachev wrote: On 23/6/20

Re: [DRBD-user] linstor issues

On 23/6/20 21:53, Gábor Hernádi wrote: Hi, apparently something is quite broken... maybe it's somehow your setup or environment, I am not sure... linstor resource list ╭╮ ┊ ResourceName ┊ Node   ┊ Port ┊

[DRBD-user] linstor issues

I've tried to follow the limited documentation on installing DRBD 9 and linstor, and sort of managed to get things working. I have three nodes (castle, san5 and san6). I've re-built the various ubuntu packages under debian, and installed on debian buster on all three machines: drbd-dkms_9.0.22

Re: [DRBD-user] drbd & multicast?

On 7/4/20 02:44, Volodymyr Litovka wrote: Hi Robert, please see below On 06.04.2020 17:23, Robert Altnoeder wrote: On 06 Apr 2020, at 10:17, Volodymyr Litovka wrote: To avoid this, I'd propose to add additional layer like proxy, which will: - reside on every satellite - receive data over

Re: [DRBD-user] PingAck did not arrive in time.

d be a possible solution. Is it possible to use Linux MD on top of DRBD devices? ie, use /dev/drbd[0-3] to create a RAID0 array? Or I guess using them as PV's and then creating a single LV across all of them? Regards, Adam -- Adam Goryachev Website Managers www.websitemanagers.com.au -

Re: [DRBD-user] COnfused about shared partitions

this situation. You should also refer to your log files, they will contain lots of useful information, as well as details that you should post to the list so we can see what mess you have created Hope it helps.. Regards, Adam -- Adam Goryachev Website Managers www.websitemanagers.com.au -

Re: [DRBD-user] COnfused about shared partitions

ase notify us immediately. Please also destroy and delete the message from your computer. Viruses - Any loss/damage incurred by receiving this email is not the sender's responsibility. -- Adam Goryachev Website Managers www.websitemanagers.com.au

Re: [DRBD-user] DRBD9 disconnect, double primary -> connect again -> Sometimes "initial Split Brain", sometimes not

On 31/12/18 01:12, Jochen Kamuf wrote: Hi, I have two identical bare metal machines "server1" and "server2" running DRBD_KERNEL_VERSION=9.0.13 on Opensuse Leap15. I have one resource "res1" Double Primary is NOT allowed. If I run the following scenario: 0. "server1" stops the VM that uses

Re: [DRBD-user] Offline Resize

essage in error, please notify us immediately. Please also destroy and delete the message from your computer. Viruses - Any loss/damage incurred by receiving this email is not the sender's responsibility. -- Adam Goryachev Website Managers www.websitemanagers.com.au __

Re: [DRBD-user] Offline Resize

2018 at 4:35 PM Adam Goryachev <mailto:mailingli...@websitemanagers.com.au>> wrote: On 7/12/18 9:30 am, G C wrote: Thank you for your response. In our scenario we're limited to a single PV on the LVM and while online does work it takes a long time for the pvmove to

Re: [DRBD-user] Offline Resize

e? Just curious... Regards, Adam On Thu, Dec 6, 2018 at 4:26 PM Adam Goryachev <mailto:mailingli...@websitemanagers.com.au>> wrote: On 7/12/18 8:54 am, G C wrote: Version: drbd84-utils.x86_64  8.9.2-1.0.1.el7 cat /proc/drbd version: 8.4.10 (api:1/prot

Re: [DRBD-user] Offline Resize

message in error, please notify us immediately. Please also destroy and delete the message from your computer. Viruses - Any loss/damage incurred by receiving this email is not the sender's responsibility. -- Adam Goryachev Website Managers www.websitemanagers.com.au _

Re: [DRBD-user] drbdmanage multiple VGs not supported

ces exported by DRBD. You might also need some extra work to have LVM activate those LV's after DRBD has started, depending on how you are using them. See the filter options in the lvm.conf. Regards, Adam -- Adam Goryachev Website Managers www.websitemanagers.com.au -- The information in th

Re: [DRBD-user] RES: Data Block Changes replication with 5 servers

On 13/11/17 21:59, fernandocmach...@yahoo.com.br wrote: Hello Adam, Thank you for replying me on this matter. I was trying to use 8.4, but since it didn’t work, I tried with 9.0, but no sucess also. I want only 1 copy of the data blocks for each server to backup server. I was figuring ou

Re: [DRBD-user] Data Block Changes replication with 5 servers

lease notify us immediately. Please also destroy and delete the message from your computer. Viruses - Any loss/damage incurred by receiving this email is not the sender's responsibility. -- Adam Goryachev Website Managers www.websitemanagers.com.au ___ drbd

Re: [DRBD-user] Some info

On 12/10/17 06:52, Gandalf Corvotempesta wrote: 2017-10-11 21:22 GMT+02:00 Adam Goryachev : You can also do that with raid + lvm + drbd... you just need to create a new drbd as you add a new LV, and also resize the drbd after you resize the LV. I prefere to keep drbd as minimum. I'm much

Re: [DRBD-user] Some info

r thick) -> DRBD  or  HDD  ->  ZFS (thin or thick)  ->  DRBD. Complicated management... On Wed, 11 Oct 2017 at 20:52, Gandalf Corvotempesta mailto:gandalf.corvotempe...@gmail.com>> wrote: 2017-10-11 21:22 GMT+02:00 Adam Goryachev mailto:mailingli...@we

Re: [DRBD-user] Some info

ance, but you should *also* have an additional network or serial or other connection between the two nodes which is used for fencing. Regards, Adam 2017-10-11 21:07 GMT+02:00 Adam Goryachev : On 12/10/17 05:10, Gandalf Corvotempesta wrote: Previously i've asked about DRBDv9+ZFS. Let&

Re: [DRBD-user] Some info

On 12/10/17 05:10, Gandalf Corvotempesta wrote: Previously i've asked about DRBDv9+ZFS. Let's assume a more "standard" setup with DRBDv8 + mdadm. What I would like to archieve is a simple redundant SAN. (anything preconfigured for this ?) Which is best, raid1+drbd+lvm or drbd+raid1+lvm? Any

Re: [DRBD-user] Moving TeraBytes to drbd device

and sweatshops." - Stephen Jay Gould -- Digimer Papers and Projects: https://alteeve.com/w/ "I am, somehow, less interested in the weight and convolutions of Einstein’s brain than in the near certainty that people of equal talent have lived and died in cotton fields and sweatshops." - Step

Re: [DRBD-user] DRBDv9 with iSCSI as scaleout SAN

Note, all the below relates to my uses of DRBD 8.4 in production. I'm assuming most of it will be equally applicable to DRBD9. On 3/10/17 19:52, Gandalf Corvotempesta wrote: Just trying to figure out if drbd9 can do the job. Requirement: a scale-out storage for VMs image hosting (and other se

Re: [DRBD-user] DRBDv9 - some questions

to multiple connections to multiple switches. Of course, doing this properly can be difficult and expensive. Regards, Adam -- Adam Goryachev Website Managers P: +61 2 8304 a...@websitemanagers.com.au F: +61 2 8304 0001 www.websitemanagers.com.au _

Re: [DRBD-user] DRBD and LVM Snapshots

dditional diskspace for snaphosts is limited by the DRBD volume size an connot be shared across volumes. I would like to discuss the pros and the cons of both approaches while considering internal vs. external metadata. -- Adam Goryachev Website Managers www.websitemanagers.com.au __

Re: [DRBD-user] fence (unfence really) versus corosync (slow startup)

On 10/5/17 18:01, Robert Altnoeder wrote: On 05/10/2017 04:43 AM, Christian Balzer wrote: Have Pacemaker start DRBD, then the CIB will be available for unfence. Easier said than done, as Debian only supplies the LSB init script, which a "systemctl disable" will NOT disable. For now brutal "e

Re: [DRBD-user] Ultra slowness

On 9/5/17 16:31, Steven Maddox wrote: Hey, We use DRBD at work in a very simple way... but since rebuilding it we've found it runs slower than before. When you say slower than before, how fast was it before, and how fast is it now? Do you have actual specific tests/numbers? Also, what changed

Re: [DRBD-user] Limit Syncer Speed

r already exists: https://www.drbd.org/en/doc/users-guide-84/re-drbdconf Specifically look for |on-congestion| Regards, Adam -- Adam Goryachev Website Managers www.websitemanagers.com.au ___ drbd-user mailing list drbd-user@lists.linbit.com http://lists.linbit.com/mailman/listinfo/drbd-user

Re: [DRBD-user] Limit Syncer Speed

On 8/12/16 22:00, Jasmin J. wrote: Hi! I am using DRBD 8.4. I want to limit the syncer speed to approx. 300MBit/s . During intial sync after creating the disk this worked as expected. The parameter controlling this was "c-max-rate". But during normal operation DRBD seems to sync always with

Re: [DRBD-user] I shall become SyncTarget, but I am primary!

expert, but hope it might help you. Regards, Adam -- Adam Goryachev Website Managers P: +61 2 8304 a...@websitemanagers.com.au F: +61 2 8304 0001 www.websitemanagers.com.au ___ drbd-user maili

Re: [DRBD-user] DRBD9 sync speed

kend disks so still probably some time before it is the limiting factor :) Regards, Adam -- Adam Goryachev Website Managers www.websitemanagers.com.au ___ drbd-user mailing list drbd-user@lists.linbit.com http://lists.linbit.com/mailman/listinfo/drbd-user

Re: [DRBD-user] questions about protocol c

you mean Node A vanished at that instant). Hope that helps... Regards, Adam -- Adam Goryachev Website Managers www.websitemanagers.com.au ___ drbd-user mailing list drbd-user@lists.linbit.com http://lists.linbit.com/mailman/listinfo/drbd-user

Re: [DRBD-user] Strange behaviour of DRBD

up to date, and remember that it contains invalid data until the resync is completed. You would have to ignore the status from DRBD, you have lied to DRBD, so it will lie to you. What you *should* do: 1) Switch primary 2) Mount the new primary 3) Make changes as needed 4) Switch primary

Re: [DRBD-user] Drbd/pacemaker active/passive san failover

On 19/09/2016 19:06, Marco Marino wrote: 2016-09-19 10:50 GMT+02:00 Igor Cicimov mailto:ig...@encompasscorporation.com>>: On 19 Sep 2016 5:45 pm, "Marco Marino" mailto:marino@gmail.com>> wrote: > > Hi, I'm trying to build an active/passive cluster with drbd and pacemake

Re: [DRBD-user] DRBD9: full-mesh and managed resources

On 18/08/2016 17:47, Roberto Resoli wrote: Hello, I'm currently running a three nodes cluster with drbd 9.0.3 and drbdmanage 0.97. It happens that in my setup i can dedicate two phisical interfaces per node to the storage network, and possibly create a "full mesh" network as of Chapter 5.1.4 o

Re: [DRBD-user] Basic DRBD link not syncing

On 16/08/2016 07:09, Craig Thompson wrote: Basic DRBD link not syncing First post to the list. I've tried using search engines to find this info but haven't so far. I have two servers. They each run Xen hypervisor to support guest virtual machines. They each have multiple LVMs for the un

Re: [DRBD-user] no sync within VM with Xen

On 14/08/2016 00:12, Clément Février wrote: Hello, I run into a problem. I have two node with Ubuntu, LVM2, DRBD 8.4 and Xen. I set up a Logical Volume with DRBD and it seems to work: On the primary node (named server), % cat /proc/drbd version: 8.4.5 (api:1/proto:86-101) srcversion: 5A4F43804B3

Re: [DRBD-user] raid recovery and drbd

n generating the "URE"... I'd be quite interested in hearing the results of your tests. Regards, Adam -- Adam Goryachev Website Managers www.websitemanagers.com.au ___ drbd-user mailing list drbd-user@lists.linbit.com http://lists.linbit.com/mailman/listinfo/drbd-user

Re: [DRBD-user] DRBD Recovery actions without Pacemaker

d it yet? You should definitely test a number of scenarios, so if you have a scenario with a specific problem, please provide a description of what you did, what commands you tried, and the output of those commands so we can provide better information. Hope that helps... -- Adam Goryachev Website Managers www.websitemanagers.com.au ___ drbd-user mailing list drbd-user@lists.linbit.com http://lists.linbit.com/mailman/listinfo/drbd-user

Re: [DRBD-user] nfs for VMs hosting

e/test multiple configurations (eg, RAID10, RAID6, NFS server, iSCSI instead, etc...) as well as all the DRBD tuning, network tuning, etc... Hope that helps. Regards, Adam -- Adam Goryachev Website Managers www.websitemanagers.com.au ___ dr

Re: [DRBD-user] DRBD9 sync speed

On 21/06/2016 22:10, Tytus Rogalewski wrote: almost solved. After reboot, file */var/lib/drbd.d/drbdmanage_global_common.conf i*s overwritten and empty. So settings are not working after rebot. Anybody know how to make it permanent ? * * I seem to recall a post to the list about this, you nee

Re: [DRBD-user] DRBD9 sync speed

speed ? All the docs about this topic are related to 8.x.y DRBD version See this thread maybe: http://www.gossamer-threads.com/lists/drbd/users/27675 Stupid question perhaps, but doesn't that thread also relate to 8.4.x rather than 9.0.x ? -- Adam Goryachev Website Man

Re: [DRBD-user] Problems getting Satellite node working (debian testing)

On 8/06/2016 18:01, Roland Kammerer wrote: On Wed, Jun 08, 2016 at 01:14:07PM +1000, Adam Goryachev wrote: From my previous thread which started talking about problems compiling the kernel module, now talking about problems with a satellite node. On 08/06/16 00:14, Roland Kammerer wrote

[DRBD-user] Problems getting Satellite node working (debian testing)

rbdmanage list-nodes -s CTRL_Node execute: drbdmanage restart -q Then the control node should connect to the satellite and send it the necessary information. I guess this doesn't make any difference until the above problem is fixed. I did it anyway, and it just said it was restarted ok. Th

Re: [DRBD-user] Problems compiling kernel module

On 6/06/2016 22:16, Roland Kammerer wrote: On Mon, Jun 06, 2016 at 09:24:00PM +1000, Adam Goryachev wrote: Still looks like the same problem, starting from a completely clean Hi, sorry, it also requires a change in the main repo which was not pushed public yet. git clone --recursive git

Re: [DRBD-user] Problems compiling kernel module

On 3/06/2016 18:30, Roland Kammerer wrote: On Fri, Jun 03, 2016 at 09:05:23AM +1000, Adam Goryachev wrote: On 02/06/16 23:44, Roland Kammerer wrote: On Thu, Jun 02, 2016 at 11:02:34PM +1000, Adam Goryachev wrote: I'm trying to use debian testing and install drbd9. Using the packages

Re: [DRBD-user] Problems compiling kernel module

On 02/06/16 23:44, Roland Kammerer wrote: On Thu, Jun 02, 2016 at 11:02:34PM +1000, Adam Goryachev wrote: I'm trying to use debian testing and install drbd9. Using the packages from http://ppa.launchpad.net/linbit/linbit-drbd9-stack/ubuntu/pool/main/d/, specifically the xenial packages:

[DRBD-user] Problems compiling kernel module

I'm trying to use debian testing and install drbd9. Using the packages from http://ppa.launchpad.net/linbit/linbit-drbd9-stack/ubuntu/pool/main/d/, specifically the xenial packages: Here is what happens: Setting up drbd-dkms (9.0.2-1ppa1~xenial1) ... Loading new drbd-9.0.2-1ppa1~xenial1 DKMS f

Re: [DRBD-user] Problems upgrading drbdmanage

On 29/04/2016 23:37, Roland Kammerer wrote: On Fri, Apr 29, 2016 at 09:36:12PM +1000, Adam Goryachev wrote: On 29/04/2016 18:40, Roland Kammerer wrote: On Fri, Apr 29, 2016 at 09:21:17AM +1000, Adam Goryachev wrote: When upgrading from python-drbdmanage 0.94-1 to 0.95-1 using the packages

Re: [DRBD-user] Problems upgrading drbdmanage

On 29/04/2016 18:40, Roland Kammerer wrote: On Fri, Apr 29, 2016 at 09:21:17AM +1000, Adam Goryachev wrote: When upgrading from python-drbdmanage 0.94-1 to 0.95-1 using the packages available at: http://oss.linbit.com/drbdmanage/packages/drbdmanage-0.95/debian-jessie/ The following is the

[DRBD-user] Problems upgrading drbdmanage

T; 46s ago Listen: [::]:6996 (Stream) drbdmanage still shows that it is running and working (presumably the old version). Doing a reboot solves the problem, but I would think the package upgrade should handle this more smoothly. Any suggestions or ideas? Regards, Adam -- Adam Goryac

Re: [DRBD-user] DRBD9 - drbdmanage wrong free pool size

uster storage size: 2346769408 kiB) Operation completed successfully Regards, Adam -- Adam Goryachev Website Managers www.websitemanagers.com.au ___ drbd-user mailing list drbd-user@lists.linbit.com http://lists.linbit.com/mailman/listinfo/drbd-user

Re: [DRBD-user] DRBD9 Satellite nodes

On 23/04/2016 00:42, Robert Altnoeder wrote: The client volumes are not there because they have not been assigned. Just like a normal resource (with local storage), a client resource must be assigned to the node where it is supposed to become available. Normally, client resources are assigned

Re: [DRBD-user] DRBD9 Satellite nodes

On 22/04/2016 18:04, Roland Kammerer wrote: On Fri, Apr 22, 2016 at 01:40:39AM +1000, Adam Goryachev wrote: Hi, Thanks for the quick response. That is really my question though. I have a DRBD Client, ie, no local storage, receiving the drbdmanage control volume via tcp/ip, but how do I mount

Re: [DRBD-user] DRBD9 Satellite nodes

On 22/04/2016 01:27, Roland Kammerer wrote: On Fri, Apr 22, 2016 at 12:41:59AM +1000, Adam Goryachev wrote: On 22/04/2016 00:20, Roland Kammerer wrote: On Thu, Apr 21, 2016 at 11:54:05PM +1000, Adam Goryachev wrote: Hi, I've setup a few DRBD9 machines as a storage cluster with 4

Re: [DRBD-user] DRBD9 Satellite nodes

On 22/04/2016 00:20, Roland Kammerer wrote: On Thu, Apr 21, 2016 at 11:54:05PM +1000, Adam Goryachev wrote: Hi, I've setup a few DRBD9 machines as a storage cluster with 4 nodes, plus one "satellite" node. I was wondering how I can access the content on the various DRBD v

[DRBD-user] DRBD9 Satellite nodes

Hi, I've setup a few DRBD9 machines as a storage cluster with 4 nodes, plus one "satellite" node. drbdmanage list-nodes ++ | Name| Pool Size | Pool Free |

Re: [DRBD-user] DRBD Manual errors

On 21/04/2016 22:53, Lars Ellenberg wrote: On Thu, Apr 21, 2016 at 10:01:12PM +1000, Adam Goryachev wrote: Hi, I've found another issue with (my system or) the DRBD docs: http://www.drbd.org/en/doc/users-guide-90/s-check-status You can get more information by passing the |--verbose| a

[DRBD-user] DRBD Manual errors

Hi, I've found another issue with (my system or) the DRBD docs: http://www.drbd.org/en/doc/users-guide-90/s-check-status You can get more information by passing the |--verbose| and/or |--statistics| arguments: # drbdadm status home --verbose --statistics Except this happens: castle:~# drbdad

Re: [DRBD-user] Stability issue Proxmox4/DRBD9

was sent on the 10th of April, but just arrived today, perhaps your system date is wrong? Regards, Adam On 10/04/16 01:54, Jean-Laurent Ivars wrote: Dear list, Sorry it’s a long message and my english may not be the best :( -- Adam Goryachev Website

[DRBD-user] Documentation error/bug

Hi, Just noticed this probably error: http://www.drbd.org/en/doc/users-guide-90/s-dm-rebalance # drbdmanage unassign I'm assuming that should say: # drbdmanage unassign Perhaps someone could confirm this, and update the docs. Once my resource has finished syncing, then I'll test it (usin

Re: [DRBD-user] Problems with DRBD9/drbdmanage

On 7/04/2016 17:52, Adam Goryachev wrote: Hi, I'm trying to build a new cluster of servers using debian plus DRBD9 and drbdmanage. After a number of attempts, I thought I had everything right, and it's all been "ok" for a couple of weeks. Today, I rebooted both machines

[DRBD-user] Problems with DRBD9/drbdmanage

Hi, I'm trying to build a new cluster of servers using debian plus DRBD9 and drbdmanage. After a number of attempts, I thought I had everything right, and it's all been "ok" for a couple of weeks. Today, I rebooted both machines (new power being installed for the UPS), and then I tried to

Re: [DRBD-user] DRBD9 drbdadm complains about fencing being in wrong section

On 18/02/2016 22:34, Lars Ellenberg wrote: Of course, eventually we need to provide a more or less convenient way to move 8.4 clusters to 9. And we will. But for now, if you have an existing, working, production DRBD 8.4 cluster, I see no reason at all to move that to DRBD 9, not in this year

Re: [DRBD-user] DRBD9 drbdadm complains about fencing being in wrong section

On 18/02/2016 20:03, Roland Kammerer wrote: On Thu, Feb 18, 2016 at 10:37:58AM +1100, Igor Cicimov wrote: On Wed, Feb 17, 2016 at 8:18 PM, Roland Kammerer wrote: On Wed, Feb 17, 2016 at 04:20:12PM +1100, Igor Cicimov wrote: Finally thanks for the drbdmanage pointer I'll do some research abou

Re: [DRBD-user] DRBD9 and multiple sync sources

On 12/02/16 12:34, Adam Goryachev wrote: Hi, Can anyone advise the steps needed to "prepare" my LV which is currently on-disk format v08 so that I can upgrade it to v09 with additional sync nodes? ie, lvextend -L+xx /dev/vg0/drbdspace How to calculate xx ? Wow, after lots of se

[DRBD-user] DRBD9 and multiple sync sources

t; is v9? How do you use it, what issues have you seen? Is it faster/slower or more stable/less stable etc than v8.4? Regards, Adam -- Adam Goryachev Website Managers www.websitemanagers.com.au ___ drbd-user mailing list drbd-user@lists.linbit.com http://lists.linbit.com/mailman/listinfo/drbd-user

Re: [DRBD-user] DRBD with CentOS in Production?

is is applicable for Christian, but it is something I've considered previously. Regards, Adam -- Adam Goryachev Website Managers www.websitemanagers.com.au ___ drbd-user mailing list drbd-user@lists.linbit.com http://lists.linbit.com/mailman/listinfo/drbd-user

Re: [DRBD-user] r0 ok, r1 PingAck did not arrive in time

2 pairs) simultaneously... My suggestion would also to avoid any bonding/etc until you have things working properly. Regards, Adam -- Adam Goryachev Website Managers Ph: +61 2 8304 a...@websitemanagers.com.au Fax: +61

Re: [DRBD-user] Replication problems constants with DRBD 8.3.10

ed reading/research into these matters. If this is still wrong, even for a set of direct cross over connections, please educate both me and the OP. Regards, Adam -- Adam Goryachev Website Managers www.websitemanagers.com.au ___ drbd-user mailing list drbd-user@lists.linbit.com http://lists.linbit.com/mailman/listinfo/drbd-user

Re: [DRBD-user] drbd+mysql+innodb

laimed etc... Just my 2c... don't believe everything you read on the Internet, apply your own common sense filter. Regards, Adam -- Adam Goryachev Website Managers www.websitemanagers.com.au ___ drbd-user mailing list drbd-user@lists.linbit.com http://lists.linbit.com/mailman/listinfo/drbd-user

Re: [DRBD-user] drbd+mysql+innodb

's that are running during the rsync. As explained, this is not an issue for DRBD replication, because at any instant in time, the replica (destination copy) is an exact copy of the source at some point in time, even if it is not the latest point in time. Regards, Adam -- Adam Goryachev Websi

Re: [DRBD-user] umount costs lots of time in drbd 8.4.3

ps://blogs.linbit.com/p/548/umount-takes-time/ > > http://lists.linbit.com/pipermail/drbd-user/2012-September/019080.html > > Lars Is there a simple method to be notified of new blog posts? They seem fairly infrequent, but quite useful. Regards, Adam -- Adam Goryachev Website Ma

Re: [DRBD-user] Dual-primary setup: disconnecting

esets) can (and thus will!) cause serious harm. >> > Ok, so would it then even make sense to deploy, a dual-primary DRBD > where the SCST target fails over along with a virtual IP for the > target then? This would cause a little timeout to the initiators, but > they should then be able to log into their targets again. > > I guess this may be good enough and even, altough this setup lacks the > inherent load balancing, but if the target servers are connected > through 10GbE, I guess I could live with that. > Why not configure as dual primary, but configure the initiators to only talk to a single target, and only change to the other target after failure/timeout. I haven't done this yet, but it is my plan to implement it soon. It would be nice to hear whether this "should" work as expected Any comments? Regards, Adam -- Adam Goryachev Website Managers www.websitemanagers.com.au ___ drbd-user mailing list drbd-user@lists.linbit.com http://lists.linbit.com/mailman/listinfo/drbd-user

Re: [DRBD-user] drbd pacemaker scst/srp 2 node active/passive question

oblem to run like this all the time? Regardless of which DRBD node is written, DRBD should ensure it is copied to the other node. Also, reads should not be relevant since it doesn't matter which DRBD node the data comes from. However, I'm not so confident to actually try this, especia

Re: [DRBD-user] external metadata on ssd vs bcache

ux 2.6.26 (specifically the version in debian stable), where SSD performance was reduced to about half that achievable by a single hard drive (yes seriously). There is a simple patch to resolve this, or in my case, I upgraded to 3.2 from backports. Hope this helps someone else quicker than it

Re: [DRBD-user] DRBD Unconfigured state after service switch

if you think you should be protected, test it (not during prime time, something always unexpected happens). If you know you are not protected, decide what you need to do to protect it, then decide if that is worth it (chance of failure, ost of downtime, cost of repair, time to repair, etc)

[DRBD-user] Performance - upgrade hardware suggestions?

ocus on underlying hardware, but no point throwing hardware at it if the problem is actually somewhere else. Finally, suggestions on specific hardware which could be added to improve the performance (or software, or config changes) ? Thanks, Adam -- Adam Goryachev Website

Re: [DRBD-user] Expanding a cluster

ct answer to the original question was RTFM, it really is a very nice manual, and you didn't tell us what version of DRBD you use. The rest is really off-topic for this list, maybe discuss on the linux-raid list if you are interested. Regards, Adam > On Thu, Jan 31, 2013 at 11:20 AM, Adam

Re: [DRBD-user] Expanding a cluster

the new drive, tell md that this new drive is replacing drive X, this way you avoid degrading the RAID array, hence lose less performance during the rebuild, and have a lower risk of disk failure and especially URE (Unrecoverable Read Error) during the rebuilds. Regards, Adam -- Adam Goryache

Re: [DRBD-user] Fwd: Re: Secondary Performance

backup the secondary in a remote location, and just letting it get out of sync every day, and resync each night)... Thanks for your advise, I do appreciate it. Regards, Adam -- Adam Goryachev Website Managers www.websitemanagers.com.au ___ drbd-us

Re: [DRBD-user] Fwd: Re: Secondary Performance

quot;normal" for the secondary to be somewhat less capable than the primary ? Thanks for your effort in explaining this. Regards, Adam > -Original Message- From: drbd-user-boun...@lists.linbit.com > [mailto:drbd-user-boun...@lists.linbit.com] On Behalf Of Adam > Goryac

Re: [DRBD-user] Fwd: Re: Secondary Performance

concerned about reliability. If that's the best I can get, then so be it, but if I can reduce that to less than 5 times per day by increasing some buffering/value somewhere, then I'd be a lot happier. Regards, Adam -- Adam Goryachev Website Managers www.websitemanagers.com.au _

Re: [DRBD-user] Secondary Performance

On 20/12/12 19:56, Felix Frank wrote: > On 12/20/2012 08:31 AM, Adam Goryachev wrote: >> The primary has 5 x 480G Intel SSD drives in a RAID5 configuration >> The secondary has 4 x 2TB WD RE4 drives in a RAID10 configuration > > Huh. SSD RAID vs. rotaries? That's about a

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