on of DRBD User's guide, whilst man file for drbdadm does
not mention it.
3. After DRBD starts process of synchronisation, can I mount block
devises on the master node, or do I have to wait until synchronisation
is completed?
Thank you very much for y
Hi everyone.
I would like to thank members of the list who replied to my question.
I followed your advice and I was able to resolved the split brain
condition and to synced both nodes successfully.
Regards,
Ivan.
On Tue, Nov 17, 2009 at 1:06 AM, Ivan wrote:
> Hello everyone!
>
> I
the ocf filer rather than relying on pacemaker's
defined timeout ? It would save some a lot of debugging time for the
8x->9x transition.
cheers
ivan
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On 09/17/2014 12:09 PM, Lars Ellenberg wrote:
On Sun, Sep 14, 2014 at 10:15:25AM +0300, Ivan wrote:
(side question: I read that the by-res/ naming is 8.x legacy. Will
the 9x series drop that and use exclusively /dev/drbd[0-9]+ and
/dev/drbd_{resourcename} devices ?)
I guess you are
en
manually recovering from a split brain) - I'll probably file a bug when
I have time to test if the problem is still in the last rc.
ivan
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/converged-network-adapters/ethernet-x520-qda1-brief.html
At those speeds it would be interesting to test the upcoming 3.18 kernel
with the bulk network transmission patch [1] ; that should save you a
bunch of cpu cycles.
[1] http://lwn.net/Articles/615238
ivan
In my Hardware setup also i
Hi
On 10/29/2014 06:34 AM, aurelien panizza wrote:
Hi all,
Here is my problem :
I've got two servers connected via a switch with a dedicated 1Gb NIC. We
have a SSD raid 1 on both servers (software RAID on Redhat 6.5).
Using dd command I can reach ~180MB/s (dd if=/dev/zero
of=/home/oracle/output
.
- use virtio drivers (both for disk and network)
- trivial, but check that you don't have accidentally have QoS rules
ivan
But when I check performance values I do not see any bottlenecks:
-CPU IO wait is below 2%
-CPU itself is ~98%idle
-network is not busy at all.
Anyone having a clue
On 02/02/2015 05:50 PM, Digimer wrote:
I see no particular problem with this. I use DRBD -> Clustered LVM ->
GFS2 all the time. If you wanted to add LUKS, I'd probably do it as DRBD
-> Clustered LVM -> LUKS'ed LV -> GFS2.
I'm not sure that two (or more) LUKS partitions are identical given
ex
I'm not sure that two (or more) LUKS partitions are identical given
exactly the same cleartext content and the same keys. There must be some
kind of sector randomization when writing data to make cryptoanalysis
harder, so it makes me think that it's not the case (that would require
testing thoug
uot;
pcs resource op add ${VM} monitor timeout="30s" interval="10s"
pcs resource op add ${VM} migrate_from timeout="60s" interval="0"
pcs resource op add ${VM} migrate_to timeout="120s" interval="0"
the commands use pcs but you can easily translate them to crm.
good luck
ivan
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On 05/12/2015 02:09 PM, DRBD User wrote:
Hi
@Cesar: thx for your suggestion - but i don't want to do a manually fence.
from Digimer's replies to your posts:
1- the dlm "lock" will be released once the crashed node is set to a
*known* state in pacemaker. Without releasing, forget about using
little sed magic and you're set up.
- neither the documented nor official hidden commands of drbdadm seem
to be able to return this information
what about:
$ drbdadm role vm-file
Primary/Primary
Primary/Primary
(resource vm-file here has 2 volumes)
Any idea apprec
problem; maybe the reboot
doesn't properly shut down pacemaker, or the network (link, firewall,
...) is torn down before pacemaker is stopped, ...
cheers
ivan
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On 11/15/2015 07:53 PM, Digimer wrote:
On 15/11/15 11:36 AM, Ivan wrote:
On 11/15/2015 05:04 PM, Digimer wrote:
On 15/11/15 05:03 AM, Waldemar Brodkorb wrote:
Hi,
Digimer wrote,
property $id="cib-bootstrap-options" \
dc-version="1.1.10-42f2063"
probably a disabled centos-base and/or centos-update repo.
that said:
1- drbd-users is not the place to ask for this as it has nothing to do
with drbd
2- no offense intended, but if you can't solve such basic problems you
should probably stay away from drbd/pacemaker until you have a good
k
now we intermittently see a kernel panic as a
result of calling drbd_send_uuids() within after_state_ch().
Any help is much appreciated.
Thanks,
Ivan
Starting DRBD resources: [ d(drbd0) d(drbd1) d(drbd2) d(drbd3)
d(drbd4) CPU 2 Unable to handle kernel paging request at virtual address
Hi everyone,
I need to resize an online drbd resource. Drbd is on top of LVM.
resource drbd0 {
on node1.aka.edu.au {
device /dev/drbd0;
disk/dev/lvmc1/export1;
address 192.168.1.1:7789;
meta-disk /dev/sdd1[0];
}
on node2.aka.edu
Hi All,
I am running two nodes active/passive HA cluster (RHEL 5.5) with DRBD
8.2.4.
kernel version: 2.6.18-194.8.1
What is the latest version of DRBD recommended for redhat?
Thank you in advance,
Ivan.
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y performance? Stability?
Thank you in advice,
Ivan.
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of examples in the Internet and my question is "why".
Why lots of people chose it? Apparently, my understanding of split
brain behavior is wrong. Could you explain me, please, how a system from
two nodes will self recovery with these settings?
Thank you in advance,
Ivan. (Sydney)
On 01
solution to have more memory available was to write the dirty page to
disk.
If someone has some information about that problem I'am eager to read
it.
Thank you in advance.
BR,
Ivan
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explain in my first post.
I hope this clarify the problem.
Correct me if I have made wrong assumptions, I just want to have the
conviction that this cannot happen in production.
Ivan
At Tuesday, 01/02/2011 on 17:44 Antonio Anselmi wrote:
OS disk is usually a local device and not managed by drb
Thank you very much Phil for your answer.
Sounds great.
Best Regards,
Ivan
At Thursday, 03/02/2011 on 10:29 Philipp Reisner wrote:
Am Dienstag, 1. Februar 2011, um 16:49:05 schrieb Ivan Frain:
> Hi all,
>
> I am currently evaluating DRBD as a storage candidate for highly
> availabl
I can get info
about error codes?
Thank you in advance,
Ivan
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Sorry for incomplete info..
There's RHEL 5.5 with 2.6.18-194.17.1.el5 kernel and DRBD is 8.3.8
(api:88) version.
Thank you,
Ivan
On 09/21/2011 10:49 AM, David Coulson wrote:
On 9/20/11 8:08 PM, Ivan Pavlenko wrote:
Hi All,
Recently I had split brain onto my cluster. There was a
quot;/usr/lib/drbd/notify-split-brain.sh root";
}
on infplsm004 {
address 192.168.10.9:7790;
}
on infplsm005 {
address 192.168.10.10:7790;
}
}
Thank you,
Ivan
On 09/21/2011 10:15 PM, Lars Ellenberg wrote:
On Wed, Sep 21, 2011 at 10:08:42AM +1000, Ivan Pavlenko wrote:
H
stination
I did it from my first server (INFPLSM017). And I have absolutely same
result from the second one (INFPLSM018). Could you tell me, please, wht
the possible reason of this problem and how I can fix this.
Thank you in advance,
Ivan
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syslog_priority="info" to_logfile="yes" to_syslog="yes">
name="dlm_controld"/>
name="gfs_controld"/>
On 12/02/2011 03:05 PM, Digimer wrote:
On 12/01/2011 07:30 PM, Ivan Pavlenko wrote:
Hi ALL,
Could you help me to fi
ng-timeout=20
--after-sb-2pri=disconnect --after-sb-1pri=discard-secondary
--after-sb-0pri=discard-zero-changes --allow-two-primaries
--discard-my-data' terminated with exit code 10
#
I guess I need to stop cluster daemons, don't I?
Thank you again,
Ivan
On 12/05/2011 12:21 PM, Digimer wrote
253,0 40962 /
drbd1_wor 3414 root rtd DIR 253,0 40962 /
drbd1_wor 3414 root txt unknown /proc/3414/exe
kill -9 3414 doesn't do anything. I even tried to restart two nodes
simultaneously - no luck.
Ivan.
On 12/05/2011 01:50 PM, Digimer wrote:
On 12/04
Hi ALL,
Digimer, thank you very much for your help. Finally I've fixed the split
brain. I had to stop lvm2-monitor and clvmd daemons for both nodes of my
cluster and only after that I was able to repair the r0 volume.
Thank you very much again,
Ivan
On 12/05/2011 03:11 PM, Digimer
device/dev/drbd1;
disk /dev/sdb1;
address 10.10.24.11:7789;
meta-disk internal;
}
}
[root@infplsm018 ~]#
Does somebody have any idea why my server (only one the second is fine!)
tries to use wrong interface?
Thank you in advance,
Ivan
I am planning to use DRBD with Advanced Format WD hard drives which have 4KB
physical sector. Should I suspect a significant performance degradation in this
case? All partitions will be aligned on 4KB boundary.
Thanks for any help,
Ivan
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div_ceil and div_floor macros duplicates round_up and round_down from kernel.h
Signed-off-by: Ivan Safonov
---
drivers/block/drbd/drbd_int.h | 5 -
1 file changed, 5 deletions(-)
diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h
index e66d453..08256ad 100644
--- a
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