Questions tagged [DRBD] (8)

5
answers

Disk replication for DRBD over a slow network, or another solution?

Good afternoon. There are two servers connected by a slow network (100Mb/s or even worse, through the real Internet). One of the servers - the main, from the second I want to do something like a "warm" replacement. On the server, eventually, collected, concatenated in a clever system, and the spinning of different virtual...
henriette_Torp asked April 19th 20 at 12:14
1
answer

In conjunction DRBD + Heartbeat server is dumped into the Secondary, how to fix?

Doing a HA Cluster. Chose a bunch of DRBD + Heartbeat. In normal mode everything works, in the manual mode switches the Primary and Secondary. But when you disable the Primary server, the second is getting them and is dumped into the Secondary after a while. And correspondingly the cluster is unavailable until you are up fi...
deon.MacGyver asked April 7th 20 at 09:31
0
answer

The relevance of the DRBD? There are alternatives?

Now DRBD is up to date? What are the alternatives for block mirroring when building a HA cluster? KMC, DRBD takes place quite simply, the alternatives should be approximately the same class.
audreanne_Pfannerstill asked March 17th 20 at 13:36
1
answer

Dual primary DRBD + iscsi multipath?

Question: if the resource synchronously (Protocol C) is replicated between the two servers, each of which has for that resource is independent of the iscsi target, could these two target to export as a single resource using mutipath? Read Lkml for a while was suggested that the important is the synchronization mode. What ca...
kasandra.Fisher asked October 14th 19 at 10:25
2
answers

How reliable DRDB?

What are the limitations? What is its speed in comparison with a local drive? If it is acceptable to replace expensive SAN solutions for medium sized project (less than a terabyte of data)?
Tito.Morissette asked October 10th 19 at 03:34
5
answers

DRBD — low performance on record?

Hello. Have the following config: 2 x IBM x3630, 14 2Tb SATA disks in each, on each assembled raid10 of 12 drives, 2 hot-spare. Gigabit link between servers. DRBD on top of raid10 devices (md-raid). The performance of /dev/md127: throughput ~ 900 MB/s fio with the following configuration file:Fio config[readtest] blocksize=...
wilton.Nitzsche56 asked October 3rd 19 at 12:32
0
answer

DRBD protocol C, timeout synchronizing with a remote PIR?

Welcome. The question arose with the Protocol C Protocol C, in other as and B, provides for confirmation only after the data hits the disk, or hitting the buffer on the remote to a peer in case of Protocol B. Actually the question is not very clear architecture in the case of dial primari. We recorded data on the disk of th...
Onie_Green asked September 19th 19 at 16:21
2
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Is it possible to configure the analog VMware Fault Tolerance on Proxmox?

So, the bottom line has 2 rack servers and 1 workstations. The server has a virtual machine (Windows Server 2008 R2), which receives information from an industrial controller, it is necessary to collect system hot backup, so in case of hardware failure of server # 1, server # 2 has received the control virtual machine witho...
Sadi asked August 2nd 19 at 20:45
2
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How to configure Pacemaker and DRBD on Hyper-V?

There are two VM with CentOS 7, you need to configure DRBD dual-primary disk and GFS2/OCFS2 on top of it. For automatic lifting of the disc and FS need to use a Pacemaker. The problem is that for correct operation STONITH, but for Hyper-V no stonith agent. How can I solve this problem?
nikita.Stracke asked July 23rd 19 at 14:11
3
answers

How can I replace DRBD?

How can I replace DRBD ? We have two servers in two different data centers and there is a shared drive is built on DRBD, it 3 - 4 times a week is falling apart already tired. Any suggestions how to change in addition to ISCSI. server virtualization is spinning Thank you.
Candido.Hartma asked July 5th 19 at 15:32