-documentation` GitHub repository
(https://github.com/LINBIT/linbit-documentation/issues).
Thanks again.
Michael.
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On Tue, Aug 2, 2022 at 5:04 AM Joel Colledge wrote:
>
> Hi Michael,
>
> Are you using the most recent version of drbd-utils? There have been a
> few fixes over the years which might be related.
I was using 9.20.2 this last time. I'm fairly certain I've been using
the focal
On Mon, Aug 1, 2022 at 4:38 AM Chitvan Chhabra wrote:
>
> All Suggestions are most welcome.
>
> On Fri, 29 Jul 2022 at 16:58, Chitvan Chhabra wrote:
>>
>> Please suggest the Best Way to snapshot Secondary DRBD Volume(Upper) on
>> LVM/ZFS(Backing) using protocol A i.e Minor Data Loss(few
ard-secondary;
after-sb-2pridisconnect;
}
disk {
disk-barrier no;
disk-flushes no;
al-extents 3833;
c-plan-ahead 1;
c-fill-target24M;
c-max-rate 110M;
c-min-rate 10M;
}
}
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Michael D Lab
-section 2.7.1, Creating Multiple DRBD Paths with LINSTOR,
to the LINSTOR User's Guide with more details and example commands.
Available here:
https://linbit.com/drbd-user-guide/linstor-guide-1_0-en/#s-creating-multiple-drbd-paths
Hope this helps you.
Michael.
On 5/25/22 11:50, drbd-user-requ
The drbd-dkms package is the kernel module, you're gonna need that. ;-)
Did you add the linbit repos to apt? I've installed this on 20.04 multiple
times w/out problem, although that was 6 months ago or so.
--
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401-316-9844 (cell)
On Tue, Sep 28, 2021 at 10:47 PM Paul D
th my servers are running Ubuntu 20.04.2 w/ DRBD9 (module 9.0.29,
utils 9.18.0)
Thanks!
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401-316-9844 (cell)
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th my servers are running Ubuntu 20.04.2 w/ DRBD9 (module 9.0.29,
utils 9.18.0)
Thanks!
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th DRBD 9.x? Is there any ongoing work/progress related
to this?
Regards,
Michael
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s 10.200.100.20:1;
node-id 2;
}
connection-mesh {
hosts host101011 host101010 host101020;
}
net {
shared-secret "...";
}
}
Thanks in advance,
Michael
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Hi all,
On 31.03.21 11:32, Michael Hierweck wrote:
Hi all,
with DRBD 9.0.25 we experience problem with the syncer rate.
Using default settings our IO system gets overloaded, especially when multiple resources are be
resynced in parallel.
Neither
drbdadm peer-device-options --c-plan-ahead
--c-plan-ahead=0 --resync-rate=Y
seem take any effect even when setting Y to very low values, such as 1M.
Thanks in advance,
Michael
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Hi all,
is it possible to make DRBD open the backing device with O_DIRECT?
Thanks in advance,
Michael
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On 26.11.20 15:17, Roland Kammerer wrote:
> On Thu, Nov 26, 2020 at 01:08:40PM +0100, 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
On 26.11.20 14:07, Adam Goryachev wrote:
>
> 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 a
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
Trying to attach to the disk tells me:
# drbdadm
Hi,
I started using drbd on IPv6, like:
resource r0 {
on alice {
device/dev/drbd1;
disk /dev/sda2;
address ipv6 [2001:DB8::1]:7789;
(...)
but selinux prevents it from starting with a lot of denies in my audit file.
Is there any IPv6-ready drbd pp for Centos 8 or do I
Hi,
When I build drbd-utils from the sources I get into trouble.
git clone https://github.com/LINBIT/drbd-utils.git
cd drbd-utils
aclocal
autoheader
autoconf
./configure --without-xen --without-83support --without-84support
make tarball
make rpm
(...)
make[2]: Entering directory
available for CentOS8.
Michael
Mit freundlichen Grüßen,
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with auto-promote, just new volumes have the problem.
I build a new cluster for testing, with the same result.
I guess that the upgrade to CentOS 7.7 could have something to do with that
behaviour, I'll check that in the next days.
I'm thankful for every hint !
Best regards,
Michael
hmarks some years ago on the same hardware but with an
older software stack
and remember that DRBD protocol "C" lead to a performance decrease of about
factor 2. Factor 2
seems to be a good value for synchronous replication.)
What's going wrong here?
Thanks in advance,
Michael
_
On 23.04.19 09:28, Michael Hierweck wrote:
> On 23.04.19 09:05, Armin Schindler wrote:
>> On 20.04.2019 14:38, a...@sysgo.com wrote:
>>>> On 13 March 2019 at 11:47 Roland Kammerer
>>>> wrote:
>>>>
>>>>
>>>> On Tue, Mar 12, 2019
etup since 2011/2012. The first years we were fine but
about 3 years ago
we run into serious trouble because out-of-sync blocks lead to damaged file
system (journals).
The issue was discussed in 2014:
https://lists.gt.net/drbd/users/25227
We love(d) DRBD because of its simplicity and relia
the downtime between the nodes as short as
possible and the change rate of the drbd-devices low.
Best regards,
Mit freundlichen Grüßen
Michael Köster
Gruppenleiter
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Datacenter Service
Server + Daten
FUNKE Corporate IT GmbH
Hi all,
Linbit announces the complete decoupling of LINSTOR from DRBD (Q1 2019).
https://www.linbit.com/en/linstor/
Does this mean Linbit will abandon DRBD? (What technologies might replace or
co-exist DBRD
in an LINSTOR cluster?)
Best regards,
Michael
Hi Veit,
On 28.09.2018 15:56, Veit Wahlich wrote:
my hint is to have a look at the wipe-md command of drbdadm resp.
drbdmeta.
There is no such a command in 'man drbdadm' v.8.3.11, but it looks like
the command itself exists. I'll try it. Thank you.
Best regards,
Michael
s not seem to point to the meta data.
Michael
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Hi,
I have two nodes with DRBD 8.3. Now I want to stop using DRBD and use
one of the nodes as a standalone box. How do I do it? As far as I
understand it would be enough to wipe out the meta data. But I see no
command for that. How can it be done?
Best regards,
Michael
than speed.
Thanks in advance,
Michael
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ross volumes.
I would like to discuss the pros and the cons of both approaches while
considering internal vs. external metadata.
Thanks in advance
Michael
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ot cause is.
If anyone can shed some light on this issue, it would be greatly
appreciated.
Thanks!
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4. Start with 1.
5. Upgrade xen41 to Jessie
Thank you in advance for your help and best regards,
Michael Köster
FUNKE Corporate IT GmbH
Friedrichstr. 34-38, 45128 Essen
Sitz Essen, Registergericht Essen HRB 23241
Geschäftsführer: Michael
4. Start with 1.
5. Upgrade xen41 to Jessie
Thank you in advance for your help and best regards,
Michael Köster
FUNKE Corporate IT GmbH
Friedrichstr. 34-38, 45128 Essen
Sitz Essen, Registergericht Essen HRB 23241
Geschäftsführer: Michael
wrong?
Greetings,
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Ben,
So, you think it is safe to fail over to the secondary even though the primary
is inconsistent? How can a primary be inconsistent when it is the one taking
the writes?
Thanks,
Michael
From: Ben RUBSON [mailto:ben.rub...@gmail.com]
Sent: Thursday, May 28, 2015 12:24 PM
To: drbd-user
of action to correct the situation?
Is the secondary truly up to date, or should I force a resync from the active
primary?
Thanks,
Michael
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, but
perhaps someone can shed some light on this?
Thanks,
Michael
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Hi,
We are going to grow one of our DRBD resources by ~150GB. We use meta-disk
internal so the MD shares the same disk as the drive itself. When we use the
drbdadm resize tool to resize a disk, does the metadata also get
re-calculated and grown to the required size(32Mb per 1Tb)? Or is there
frontend for device-mapper to create logical volumes, but integrated with
heartbeat and more aware of the underlying drbd.
So the basic question is still how many drbd devices one can reasonably use.
Best Regards,
Michael Paesold
[1] Cluster LVM; a cluster-aware metadata management for LVM, part
Sorry it's not a technical question.
My phone has been going off for the past 15 minutes solid from DRBD emails
dating back to 2006. I only joined DRBDLand a few months ago. Is something
going on with your mail server or?
I just deleted 273 messages that came in and they are still flowing to
anywhere in the logs.
I am running the same RPMs, same version of RHEL, and same kernel, and a
largely similar (smaller) setup on other systems and do not see the same
problem.
Thanks,
Michael
__
Michael
,nop,wscale 7], length 0
What does this exchange mean?
Regards,
Michael
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state is not changed from WFConnection to Connected and hence the secondary
node is not used.
Regards,
Michael
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it to 'outdated' in a
hope that it will help to connect. But alas...
Syslog also has no interesting information.
Best regards,
Michael Dukelsky
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module version 8.3.13 and userland version 8.3.11
installed from the repository.
Best regards,
Michael Dukelsky
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Hi,
I have a problem with DRBD and heartbeat, when i try to switch the pri and sec
drbd server, (service heartbeat restart not the primary srv),
the primary server crach and reboots.
It's happen only if I have a remote server connected to the vip address of the
DRBD iSCSI.
If I switch the
and connect again until eventually they end up
disconnected.
Out setup:
Kernel 2.6.39.3 and self compiled drbd 8.3.11
Any ideas? Do we need to upgrade? To the latest 8.3 version, or to 8.4?
Greetings,
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Dr. Michael Schwartzkopff
Guardinistr. 63
81375 München
Tel: (0163) 172 50 98
Fax: (089) 620
HI
Is the DRBD User's Guide available in PDF format? Thanks in adv
--
This email and any files transmitted with it are confidential and intended
solely for the use of the individual or entity to whom they are addressed.
If you have received this email in error please notify the system
moveable between all nodes in the cluster.
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81375 München
Tel: (0163) 172 50 98
Fax: (089) 620 304 13
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as drbd - stonih.
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Has this limit been removed from 8.4? I recently install 8.4, but when
I do a mod_info, it still shows 255. Thanks
Mike
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Did you check multipath blacklists?
-Michael
-Original Message-
From: Dan Barker [mailto:dbar...@visioncomm.net]
Sent: Tuesday, April 10, 2012 12:40 PM
To: 'drbd List'
Subject: Re: [DRBD-user] multipathd ignores my drbd0
I've tried everything I can think of to get mapper to pick up
(Byte/s) and
when you ask the DRBD it tells you that your configured a rate of 11M (Byte/s)
Did your show us the /proc/drbd output of the above given config?
Greetings,
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Guardinistr. 63
81375 München
Tel: (0163) 172 50 98
Fax: (089) 620 304 13
signature.asc
On Mon, Mar 12, 2012 at 01:25:12PM +0100, Michael Schwartzkopff wrote:
Hm,
somethings do not fit together. You configured a rate of 102M (Byte/s)
and when you ask the DRBD it tells you that your configured a rate of
11M (Byte/s)
Did your show us the /proc/drbd output of the above
and we've seen no
degradation in performance or stability. See it at work at
http://openi.nlm.nih.gov. :)
Michael Kushnir
Lead Unix and VMware Engineer
Communications Engineering Branch
Lister Hill National Center for Biomedical Communications
National Library of Medicine
-Original Message
,
and then get the remainder of my HA configuration with a crm resource
cleanup r0 (my resource).
Regards,
Billy
Hi have it here in a test environment. I did not test it heavily but my setup
seems to work.
Greetings,
--
Dr. Michael Schwartzkopff
Guardinistr. 63
81375 München
Tel: (0163) 172
?
Thanks in advance,
Pedro Mazzoni
Read:
http://fghaas.wordpress.com/2011/11/29/dual-primary-drbd-iscsi-and-multipath-
dont-do-that/
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spent.
Best,
Michael Kushnir
Lead VMware and UNIX Systems Administrator
Communications Engineering Branch,
Lister Hill National Center for Biomedical Communications,
National Library of Medicine,
National Institutes of Health
-Original Message-
From: Roof, Morey R. [mailto:mr
Hi Lars,
I'm a bit confused by this discussion. Can you please clarify the difference?
What I think you are saying is:
OK:
Dual-primary DRBD - cluster aware something (OCFS, GFS, clvmd, etc...) -
exported via iSCSI on both nodes - multipathed on the client
Not OK:
Dual-primary DRBD - not
Hi Lars,
Thanks for the info! I have a couple of questions:
iSCSI is a stateful protocol, there is more to it that than just reads and
writes.
To run multipath (or multi-connections per session) against *DISTINCT* targets
[*] on separate nodes
What does that mean-- what more than reads and
;
}
}
---8---
any hints are HIGHLY appreciated.
best regards
---
Michael Schumacher
PAMAS Partikelmess- und Analysesysteme GmbH
Dieselstr.10, D-71277 Rutesheim
Tel +49-7152-99630
Fax +49-7152-996333
Geschäftsführer: Gerhard Schreck
Handelsregister B Stuttgart HRB 252024
not much better. The latency on my LAN is
~0.22ms. Can you offer any tuning tips?
Thanks,
Michael
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. Replicated DRBD volume with GFS2 mounted over GNBD
5. Replicated DRBD volume with GFS2 mounted over iSCSI (IET)
Results of #4 and #5 are dismal compared to #1,2, and 3. I would think that DLM
would apply even to locally mounted GFS2 as I specified lock_dlm when creating
FS.
Thanks,
Michael
On Thu, Sep 15, 2011 at 11:14:53AM +0200, Michael Schwartzkopff wrote:
On Thu, Sep 15, 2011 at 10:29:47AM +0200, Michael Schwartzkopff wrote:
Hi,
After fixing an other error I started to see the following error on
my DRBD:
kernel: block drbd0: BAD! BarrierAck
;
}
}
resource drbd0 {
protocol C;
on {
device /dev/drbd0;
disk /dev/sdb1;
address ;
meta-disk internal;
}
on {
device /dev/drbd0;
disk /dev/sdb1;
address ;
meta-disk internal;
}
}
Best,
Michael
From: Roof, Morey R. [mailto:mr...@admin.nmt.edu]
Sent: Thursday
hints.
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Fax: (089) 620 304 13
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On Thu, Sep 15, 2011 at 11:14:53AM +0200, Michael Schwartzkopff wrote:
On Thu, Sep 15, 2011 at 10:29:47AM +0200, Michael Schwartzkopff wrote:
Hi,
After fixing an other error I started to see the following error on
my DRBD:
kernel: block drbd0: BAD! BarrierAck
MORE of those errors.
Shouldn't be there less of those errors?
Are there any best prictises for the options
timeout
connect-int
ping-int
ping-timeout
Thanks for any help / hints into the right direction.
Greetings,
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Guardinistr. 63
81375 München
Tel: (0163) 172 50
to hardware data
corruption we want to play it safe.
Loosing the DRBD data would cause hours of downtime.
Is there any good advice for solving the problems, are we doing
something wrong?
- Michael
---short-info-
[root@db1 ~]# rpm -q
Is there VMCI support for DRBD or does anyone know if anyone has done
a third party project to enable it?
Thanks,
Michael McGlothlin
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try different kernel
On Fri, Sep 24, 2010 at 7:54 PM, Proskurin Kirill
proskurin...@fxclub.orgwrote:
On 24/09/10 07:11, Michael wrote:
Hi,
from your log it is look like it is ocf2 problem:
/sys/fs/o2cb/interface_revision
I write to OCFS2 list and send them a stack trace - they say what
May Michael can do that as well, if it is still possible?
Of course against his drbd.ko build, with his address
(w_e_end_ov_req+0x36, if I read the archives right).
That should tell you which C-code line the RIP corresponds to.
We can then start guessing which pointer may have been NULL
original drbd.ko from the path /lib/modules...
rmmod lru_cache, after that 8.3.8 module loading OK, and all seems to work.
Then reboot the server before making it live. All went fine till I tried
online verify - which gives oops.
Will try to reproduce it on the other computers
--
--
Michael
07:38:46 vhost2 kernel: RSP 8804131c5e20
Jul 5 07:38:46 vhost2 kernel: CR2: 0030
Jul 5 07:38:46 vhost2 kernel: ---[ end trace 11e0b3ada4e13922 ]---
--
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Michael
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http
192.168.XXX.XX2:7791;
meta-disk internal;
}
}
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Edward Waters College
1658 Kings Road
Jacksonville, FL 32209
(V) 904-470-8170/(F) 904-470-8170
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On 06/10/2010 11:39 AM, Andreas Kurz wrote:
On Thursday 10 June 2010 17:19:53 Michael Joyner wrote:
better, but still way below box2box bandwidth is fs type or fact
using lvm a factor? Here are my test results, will try w/o LVM next.
I can really recommend Part V. Optimizing
Berra
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can I debug this problem?
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, BlinkMind, Inc.
nathan at robotics.net nathan at blinkmind.com
http://www.robotics.net http://www.blinkmind.com
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, any timeframe on this? As it happens I'm dealing with a setup now
that could definitely benefit from this.
B.
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I've done about zero research into this, but perhaps you could run two
separate daemon instances, one listening on each IP.
On Tue, May 11, 2010 at 8:55 AM, Bart Coninckx bart.conin...@telenet.bewrote:
On Tuesday 11 May 2010 12:58:45 Michael Iverson wrote:
I'd be quite interested as well
, Bart Coninckx bart.conin...@telenet.be wrote:
On Tuesday 11 May 2010 15:15:34 Michael Iverson wrote:
I've done about zero research into this, but perhaps you could run two
separate daemon instances, one listening on each IP.
On Tue, May 11, 2010 at 8:55 AM, Bart Coninckx
bart.conin
, Bart Coninckx
bart.conin...@telenet.be wrote:
On Tuesday 11 May 2010 16:09:08 Michael Iverson wrote:
ietadm is the answer.
These might help:
http://old.nabble.com/IET-on-DRBD-howto--td20567810.html
http://www.gossamer-threads.com/lists/linuxha/users/45280
http://www.markround.com/archives/50
failover.
4. Switch to a primary/secondary configuration.
Does anyone have opinions on the most appropriate path to take?
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.
Thanks,
Mike
On Mon, May 10, 2010 at 2:34 PM, Ben Timby bti...@gmail.com wrote:
Michael, sorry I did not speak about KVM, I have never used it, my
experience is with Xen, so I can only assume you can do something
similar with KVM. My point was that having a dedicated DRBD resource
for each VM
, the latter method will probably be ideal for
phase two of my HA project, which will tackle a rather large database
we have.
Mike
On Mon, May 10, 2010 at 4:23 PM, Michael Iverson miver...@4hatteras.com wrote:
Ben,
This is an interesting approach. I can see how recovering from split
brain would
ap:0
resync: used:0/61 hits:0 misses:0 starving:0 dirty:0 changed:0
act_log: used:0/127 hits:0 misses:0 starving:0 dirty:0 changed:0
See:
http://www.drbd.org/users-guide-emb/s-resolve-split-brain.html
--
Dr. Michael Schwartzkopff
MultiNET Services GmbH
Addresse: Bretonischer
the data should be destroyed.
--
Dr. Michael Schwartzkopff
MultiNET Services GmbH
Addresse: Bretonischer Ring 7; 85630 Grasbrunn; Germany
Tel: +49 - 89 - 45 69 11 0
Fax: +49 - 89 - 45 69 11 21
mob: +49 - 174 - 343 28 75
mail: mi...@multinet.de
web: www.multinet.de
Sitz der Gesellschaft: 85630 Grasbrunn
For manual recovery read:
http://www.drbd.org/users-guide-emb/s-resolve-split-brain.html
and do every step as described there.
Greetings,
--
Dr. Michael Schwartzkopff
MultiNET Services GmbH
Addresse: Bretonischer Ring 7; 85630 Grasbrunn; Germany
Tel: +49 - 89 - 45 69 11 0
Fax: +49 - 89 - 45 69
Am Mittwoch, 31. März 2010 07:38:49 schrieb Reindy:
@chatchai: yes heartbeat still running...
@michael: do you have the steps to upgrade/update from my current heartbeat
versions to pacemaker?
Thanks!
On Wed, Mar 31, 2010 at 12:28 PM, Michael Schwartzkopff
mi...@multinet.dewrote:
Am
Here's the uname -a output on our system(s):
$ uname -a
Linux baker3.dmz.prweb.local 2.6.9-89.0.23.ELsmp #1 SMP Wed Mar 17
06:49:21 EDT 2010 x86_64 x86_64 x86_64 GNU/Linux
Our drbd.conf:
$ cat /etc/drbd.conf
#
# drbd.conf example
#
#global { usage-count yes; }
#common { syncer { rate
.
all the configurations remain the same as when it was working, somehow
now it just wont works.. I am stunt!
Thanks!
On Mon, Mar 29, 2010 at 3:18 PM, Michael Schwartzkopff
mi...@multinet.dewrote:
Am Montag, 29. März 2010 08:59:32 schrieb Reindy:
Hi,
I'm getting frustated
as
NODE1# Primary/Secondary
NODE2# Secondary/Primary'
somehow the failover wont works anymore.. all configurations still exactly
the same from the first time it works.. what could have gone wrong???
What system takes care for the failover?
--
Dr. Michael Schwartzkopff
MultiNET Services GmbH
Addresse
.
But i did not find the solution for the same. Please help me out by telling
the solution for the same.
Thanks in Advance
Set the size option in the disk section to the value of the smaller disk.
Greetings,
--
Dr. Michael Schwartzkopff
MultiNET Services GmbH
Addresse: Bretonischer Ring 7; 85630
your
directories to read-write on the second node to acchieve the high
availability.
--
Dr. Michael Schwartzkopff
MultiNET Services GmbH
Addresse: Bretonischer Ring 7; 85630 Grasbrunn; Germany
Tel: +49 - 89 - 45 69 11 0
Fax: +49 - 89 - 45 69 11 21
mob: +49 - 174 - 343 28 75
mail: mi...@multinet.de
Hi,
I wanted to know if a dual primary DRBD setup, exporting the block devices as
iSCSI targets and multipathing on the initiator side is possible and
advisable.
Thanks for any enlightening answers.
Greetings,
--
Dr. Michael Schwartzkopff
MultiNET Services GmbH
Addresse: Bretonischer Ring
Am Montag, 15. März 2010 15:15:57 schrieb Florian Haas:
I think there are cheaper ways to go insane.
Florian
On 03/15/2010 12:26 PM, Michael Schwartzkopff wrote:
Hi,
I wanted to know if a dual primary DRBD setup, exporting the block
devices as iSCSI targets and multipathing
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