Re: [DRBD-user] Lars said Dont do that. I did.

On Wed, Mar 17, 2010 at 04:07:25AM -0700, dbarker wrote: Lars Ellenberg wrote: In case you where asking something, I must have missed the question, sorry :-] Sorry I was a bit obscure. The question is What happens if you adjust verify-alg while connected Primary/Primary

Re: [DRBD-user] Problems with oos Sectors after verify

On Wed, Mar 17, 2010 at 11:35:22AM +0100, Lars Ellenberg wrote: On Wed, Mar 17, 2010 at 07:08:20AM +, Henning Bitsch wrote: I have a problem running drbd 8.3.7-1 on Debian Lenny (2.6.26-AMD64-Xen). I have six drbd devices with a total of 3 TB. Both nodes are Supermicro AMD Opteron

Re: [DRBD-user] Guarantee write to both nodes

. In short, the feature you requests is somewhere on the far end of our todo list. But feel free to reprioritize... -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered trademarks of LINBIT, Austria

Re: [DRBD-user] drbd migration do primary/primary

;-) -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered trademarks of LINBIT, Austria. __ please don't Cc me, but send to list -- I'm subscribed ___ drbd-user

Re: [DRBD-user] Connection Breaks Between Primary And Secondary Node

let me help to find out the reason for the same. Read the logs? -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered trademarks of LINBIT, Austria. __ please don't Cc me, but send to list -- I'm

Re: [DRBD-user] DRBD Connection initiation

On Tue, Mar 23, 2010 at 03:28:08AM -0700, Qwerty-1 wrote: Hi All, I need to know in active/stanby mode which node will start initiating tcp connection? Active Node or Standby Node? The answer is yes ;) -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support

Re: [DRBD-user] becoming primary with outdated data

anything describing how to do this. Can it be done? Prior to 8.3.8, you'd have to fiddle with drbdmeta set-gi. Starting with drbd 8.3.8 (which has not been released yet, so read current git, if you like) a simple --force primary will do. -- : Lars Ellenberg : LINBIT | Your Way to High Availability

Re: [DRBD-user] drbd1: The peer's disk size is too small!

need to recreate that drbd set from scratch, and repopulate it with your data after the first drbd handshake. (e.g. do a new mkfs and restore from backup -- NOT dd back an image of the file system, as that was from a larger device) -- : Lars Ellenberg : LINBIT | Your Way to High

Re: [DRBD-user] DRBD is deadly slow.

should be the first step. That's right ;) -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered trademarks of LINBIT, Austria. __ please don't Cc me, but send to list -- I'm subscribed

Re: [DRBD-user] DRBD is deadly slow.

with headwind ;-) -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered trademarks of LINBIT, Austria. __ please don't Cc me, but send to list -- I'm subscribed

Re: [DRBD-user] DRBD crash with bad network

cache, dirty pages, and tune things up or down in the drbd configuration as well as various vm and network related sysctls. You should have some more interessting logs before that, which should help you in guessing what needs to be done. -- : Lars Ellenberg : LINBIT | Your Way to High Availability

Re: [DRBD-user] DRBD Kernel Panic DRBD-LVM-Xen

on that thing, but basically you can use 8.3.7, and see it that helps, upgrade your xen kernel as well, do some of the ethtool things mentioned in the above thread, and if none of that helps, disable DRBD's use of sendpage, which is a module parameter, but can also be toggled at runtime. -- : Lars

Re: [DRBD-user] Recommended procedure to fsck a drbd device

returns an awful lot of errors. The question is if this is the recommended procedure to fsck a drbd device. If you live on LVM, you could snapshot before fsck, just in case. Though a snapshot won't speed up the fsck, of course. -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD

Re: [DRBD-user] Avoiding data inconsistencies after a split-brain

{ fencing resource-and-stonith; # this mode implicitly freezes IO and only resumes IO if peer is # successfully fenced as reported by the fence peer script. # Or if the admin explicitly resumes io. } handler { fence-peer some script that kills the other node; } -- : Lars

Re: [DRBD-user] Avoiding data inconsistencies after a split-brain

On Mon, Apr 19, 2010 at 08:40:02AM -0300, Andre Nathan wrote: Hello Lars On Fri, 2010-04-16 at 21:38 +0200, Lars Ellenberg wrote: disk { fencing resource-and-stonith; # this mode implicitly freezes IO and only resumes IO if peer is # successfully fenced as reported

Re: [DRBD-user] Manuall split brain recovery

-resync-target minor-0 ; echo $? Do you need that script? Do you need to install that script? Do you need to fix the script or configuration? -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered trademarks

Re: [DRBD-user] where to submitt drbd'spatch?thanks a lot

. Patches are best presented on drbd-dev for review. Thanks, -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered trademarks of LINBIT, Austria. __ please don't Cc me, but send to list -- I'm

Re: [DRBD-user] Solution for more than two nodes

it recently. -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered trademarks of LINBIT, Austria. __ please don't Cc me, but send to list -- I'm subscribed ___ drbd

Re: [DRBD-user] Is rate parameter for all resources or can be configured for each resource ?

the global limit you describe. But we don't have it. -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered trademarks of LINBIT, Austria. __ please don't Cc me, but send to list -- I'm subscribed

Re: [DRBD-user] Is rate parameter for all resources or can be configured for each resource ?

On Fri, Apr 23, 2010 at 11:03:11AM +0200, Hervé Gautier wrote: Lars Ellenberg a écrit : That's not how it works. Its not a global limit, but a common default inherited by those resourced that don't override it locally. I see that it could be useful to have the global limit you describe

Re: [DRBD-user] Concurrent local writes

this issue (i.e. disabling the write cache?)? This has been observed mainly from iSCSI targets, and reportedly can be worked around by using fileio mode. -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT

Re: [DRBD-user] /dev/drbd0 incorrect size

still only get a 12GB partition # mkfs.ext3 /dev/drbd0 wow. what was supposed to be on sda3? whatever it was, it is now gone. -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered trademarks

Re: [DRBD-user] drbdadm cores when runs from kickstart

. We should not segfault there, regardless. I think I fixed it in git already some time ago. -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered trademarks of LINBIT, Austria. __ please don't Cc me

Re: [DRBD-user] DRBD sync slow

On Thu, May 06, 2010 at 02:30:16PM -0300, Cristian Rojas wrote: Hi Lars, I restarted /etc/init.d/drbd after I changed the config. Wouldnt that be enough? Check on both nodes what the current kernel settings are. drbdsetup minor show -- : Lars Ellenberg : LINBIT | Your Way to High Availability

Re: [DRBD-user] Compilation Problems on xen host

... Xen (or redhat, or wherever the base kernel is coming from) apparently backported that functionality from 2.6.32. unfortunately there is no feature test macro for it ;-) -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD

Re: [DRBD-user] truck based replication

? No. If you can minimize write activity between [A] and [E], you will have a minimal resync. -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered trademarks of LINBIT, Austria. __ please don't Cc me

Re: [DRBD-user] truck based replication

the disk instantaneously, or image a snapshot of it, then writes during the archival process (she didn't specify that process) would corrupt the image. Of course the image is inconsistent, in general. That does not mean it is corrupt. -- : Lars Ellenberg : LINBIT | Your Way to High Availability

Re: [DRBD-user] truck based replication

On Tue, May 11, 2010 at 08:27:24AM +0200, Katharina Haselhorst wrote: Hello, On 05/10/2010 08:37 PM, 'Lars Ellenberg' wrote: On Mon, May 10, 2010 at 01:56:30PM -0400, Dan Barker wrote: Starting with old uuid, possibly partially dirty bitmap. [A] Generate new uuid, clean bitmap

Re: [DRBD-user] Sync stalled

what you recomend, but unfortunately it does not work... I hope I get it solved soon, otherwhise I will try to buy two more servers and asume hardware fail. This won't be hardware fail. More likely version mismatch. -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support

Re: [DRBD-user] Sync stalled

is this not version mismatch? and, please, why do you try to use an 9 month old release candidate? -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered trademarks of LINBIT, Austria. __ please don't Cc me

Re: [DRBD-user] DRBD over RAID1 / Pacemaker failure detection

. So unless you have other scores that weight more, I expect the PE to decide that moving the resources over would be a good idea. -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered trademarks

Re: [DRBD-user] Resource host by name instead of address

not need to, either. Because for WAN, you should use VPN. (DRBD replication traffic is plain text.) Thus you are back at using private, static, IPs. -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered

Re: [DRBD-user] possible problem with cloned system installation (?)

. You may need to follow the truck based replication section in the drbdsetup man page. -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered trademarks of LINBIT, Austria. __ please don't Cc me, but send

Re: [DRBD-user] 8.3.8 Online Verify Oops on kernel 2.6.34

On Mon, Jul 05, 2010 at 08:07:26AM +1200, Michael wrote: Hi All, I've installed ( as always ) from source 8.3.8 All seems to work fine but when I've tried to start online-verify - Ive got oops on secondary node: Is anyone having that issues? Works for me. -- : Lars Ellenberg : LINBIT

Re: [DRBD-user] syncing problem after node reinstall

got that pached version from? The later question is based on an educated guess, only. -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered trademarks of LINBIT, Austria. __ please don't Cc me, but send

Re: [DRBD-user] syncing problem after node reinstall

in your versions, too, actually. Interessting that it aparently does not. -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered trademarks of LINBIT, Austria. __ please don't Cc me, but send to list

Re: [DRBD-user] 8.3.8 Online Verify Oops on kernel 2.6.34

On Tue, Jul 06, 2010 at 12:06:11PM +1200, Michael wrote: On Tue, Jul 6, 2010 at 8:07 AM, Lars Ellenberg lars.ellenb...@linbit.comwrote: On Mon, Jul 05, 2010 at 08:07:26AM +1200, Michael wrote: Hi All, I've installed ( as always ) from source 8.3.8 All seems to work fine but when

Re: [DRBD-user] linux 2.6.27.48 with drbd 8.3.8

. -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered trademarks of LINBIT, Austria. __ please don't Cc me, but send to list -- I'm subscribed ___ drbd-user

Re: [DRBD-user] small patch for drbddisk

flow is available. stop NG - STONITH (shutdown N1) - N2 starts service It seems that drbdsetup.c/print_config_ error() returns 20 in this case. Can you please provide kernel and resource agent (heartbeat) logs for such an incident. -- : Lars Ellenberg : LINBIT | Your Way to High

Re: [DRBD-user] small patch for drbddisk

better see if your fix is the right fix. I will try to change the destination of log and get the perfect RA log on ACT node later. Great. Thanks, -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered

Re: [DRBD-user] existing volume

be used for force a full resync. As long as you directly access the underlying block device there is absolutely no point in using DRBD. Actually, if you _mount_ the underlying device, DRBD cannot even attach it. To use DRBD, you have to, well, use DRBD. -- : Lars Ellenberg : LINBIT | Your Way

Re: [DRBD-user] small patch for drbddisk

drbdsetup more robust in face of file system problems on /var/lock/, and add a monitoring loop to drbddisk instead. Thanks, -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered trademarks of LINBIT, Austria

Re: [DRBD-user] 1 Primary Node

it down. Try to reproduce without going through the iSCSI layer first, accessing DRBD locally. Try to reproduce with a vanilla kernel, using a different iSCSI target. -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD

Re: [DRBD-user] 1 Primary Node

On Thu, Jul 15, 2010 at 09:58:13AM +0200, Lars Ellenberg wrote: On Thu, Jul 15, 2010 at 09:16:43AM +1000, ad...@eyemedia.com.au wrote: Ok I didn't realise this was that kind of an issue, I just assumed DRBD wasn't happy with my setup due to the second node not being online. The partition

Re: [DRBD-user] when using dopd, is it possible to become primary with peer dead?

? -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered trademarks of LINBIT, Austria. __ please don't Cc me, but send to list -- I'm subscribed ___ drbd-user

Re: [DRBD-user] Primary showing UpToDate/Inconsistent Secondary showing UpToDate/UpToDate

On Thu, Jul 22, 2010 at 01:26:24PM +0200, Lars Ellenberg wrote: On Thu, Jul 22, 2010 at 11:37:36AM +1000, ad...@eyemedia.com.au wrote: Hi all, I'm sure there is a simple answer to this one.. 2 Node cluster with heartbeat. Migrated resources to the secondary node, (with primary

Re: [DRBD-user] the timing of restarting thread

. -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered trademarks of LINBIT, Austria. __ please don't Cc me, but send to list -- I'm subscribed ___ drbd-user

Re: [DRBD-user] dd meta-data when DRBD's role is Primary or Secondary

in that. Sorry, but this is ridiculous. I really don't see where this should be going. -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered trademarks of LINBIT, Austria. __ please don't Cc me, but send to list

Re: [DRBD-user] drbdadm verify on Primary or Secondary?

connection state like VerifyS and VerifyT. One is sending the requests, the other sends the replies. That's all there is to it. and, drbdadm disconnect/connect resource for the resync, I can run these commands on any node, right? no matter. -- : Lars Ellenberg : LINBIT | Your Way to High

Re: [DRBD-user] DRBD9

by $configurable) * more than two Primaries * all sorts of performance improvements Any particular reason you ask, a favorite feature you'd like to sponsor? -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT

Re: [DRBD-user] barrier mode on LVM containers

usable. Why this must take sooo long is an other question... -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered trademarks of LINBIT, Austria. __ please don't Cc me, but send to list -- I'm

Re: [DRBD-user] Initial sync, just want to confirm the process (and not go down in a blaze of glory)

/ Uh. !? Why would you voluntarily parse pseudo-xml with your eyes? That output is meant to be consumed by scripts or the DRBD MC Gui. Try: # drbd-overview or # cat /proc/drbd or # grep cs: /proc/drbd -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting

Re: [DRBD-user] mix of lenny32 and 64Bit fails: before-resync-target handler returned 3

://bugs.debian.org/cgi-bin/bugreport.cgi?bug=581310 -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered trademarks of LINBIT, Austria. __ please don't Cc me, but send to list -- I'm subscribed

Re: [DRBD-user] /dev/drbd/by-res/ and /dev/drbd/by-disk not cleared

unconfigured, but the device still exists. -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered trademarks of LINBIT, Austria. __ please don't Cc me, but send to list -- I'm subscribed

Re: [DRBD-user] DRBD Outdated by Pacemaker/Heartbeat

/ ;-) -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered trademarks of LINBIT, Austria. ___ drbd-user mailing list drbd-user@lists.linbit.com http://lists.linbit.com

Re: [DRBD-user] drbdadm dump-xml with no resource

-- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered trademarks of LINBIT, Austria. __ please don't Cc me, but send to list -- I'm subscribed ___ drbd

Re: [DRBD-user] Fwd: small patch for drbddisk

On Wed, Sep 01, 2010 at 10:49:00AM +0200, Lars Ellenberg wrote: On Wed, Aug 25, 2010 at 02:10:55PM +0900, Junko IKEDA wrote: Hi, sorry for covering old ground. http://www.gossamer-threads.com/lists/drbd/users/19746 We should catch that one, probably, and irgnore it at least

Re: [DRBD-user] Massive starvation in diskless state doing direct IO reads

On Fri, Sep 03, 2010 at 03:17:23PM +0200, Roland Friedwagner wrote: Am Donnerstag 02 September 2010 schrieb Lars Ellenberg: Starvation probably happens on the Secondary. It should vanish if you echo 1 /sys/modules/drbd/parameters/disable_sendpage Starvation is gone with disabled

Re: [DRBD-user] 8.3.8 Online Verify Oops on kernel 2.6.34

the RIP corresponds to. We can then start guessing which pointer may have been NULL, and why. -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered trademarks of LINBIT, Austria. __ please don't Cc me

Re: [DRBD-user] 8.3 Oops when detaching during online verify [fixed]

On Fri, Sep 03, 2010 at 11:35:00AM -0700, Ryan Cooley wrote: On Fri, 3 Sep 2010 18:32:03 +0200 Lars Ellenberg lars.ellenb...@linbit.com wrote: Too bad. It was much easier if it was reproducible. I reported a similar and consistently reproducable bug: http://bugs.centos.org/view.php

Re: [DRBD-user] Help with drbddisk modification to block takeover when the local resource is not in a safe state

the peer ;-) Don't focus only on one specific scenario. Because, if you just fix that specific scenario, you break a truckload of others. Maybe it helps a bit to read http://www.mail-archive.com/pacema...@oss.clusterlabs.org/msg04312.html -- : Lars Ellenberg : LINBIT | Your Way to High Availability

Re: [DRBD-user] drbd module not correctly loading

On Mon, Sep 06, 2010 at 04:37:07PM -0400, Jean-Francois Malouin wrote: * Lars Ellenberg lars.ellenb...@linbit.com [20100906 16:05]: On Mon, Sep 06, 2010 at 01:46:46PM -0400, Jean-Francois Malouin wrote: Hi, On a Debian/squeeze system running 2.6.32-5-xen-amd64 I downloaded drbd

Re: [DRBD-user] File corruption in drbd partition

block(s) in inode 1183: 1251 1252 Multiply-claimed block(s) in inode 1184: 1233 Multiply-claimed block(s) in inode 1185: 1249 When fsck -fy is run on /repl partition then the end result is content of file x is seen in file y. -- : Lars Ellenberg : LINBIT | Your Way

Re: [DRBD-user] File corruption in drbd partition

On Tue, Sep 07, 2010 at 03:15:07PM +0200, Lars Ellenberg wrote: On Tue, Sep 07, 2010 at 12:12:08PM +, putcha narayana wrote: Thanks for responding, FYI: I have ran stat command to get details of the files whose data is seen criss-crossing. I mean content of one file is seen

Re: [DRBD-user] File corruption in drbd partition

. And I'm not sure what you mean with lock the disk in this context, either. -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered trademarks of LINBIT, Austria. __ please don't Cc me, but send to list

Re: [DRBD-user] drbd stops sync on LVM

as drbdadm. What could cause this problem ? What am i doing wrong ? Could you post the output of for vm in $(virsh list --all | awk 'NR 2 { print $2 }') ; do printf \n%s\n $vm; virsh dumpxml $vm | sed -e '/disk/,/\/disk/!d'; done -- : Lars Ellenberg : LINBIT | Your Way

Re: [DRBD-user] drbdsetup 0 disk /dev/sdb1 /dev/sdb1 internal --set-defaults --create-device failed - continuing

. and the above message never comes before today. likewise the above message didn't came on the other node(node2) Likely something triggered through udev (or other) had sdb1 open at that time. It impossible to determine what had it open at that time, after the fact. -- : Lars Ellenberg : LINBIT | Your Way

Re: [DRBD-user] Can't seem to get DRBD + Heartbeat to work properly

; } } ___ drbd-user mailing list drbd-user@lists.linbit.com http://lists.linbit.com/mailman/listinfo/drbd-user -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT

Re: [DRBD-user] DRBD + LVM

of ? -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered trademarks of LINBIT, Austria. __ please don't Cc me, but send to list -- I'm subscribed

Re: [DRBD-user] Real live risk of data loss w/o flush

. -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered trademarks of LINBIT, Austria. __ please don't Cc me, but send to list -- I'm subscribed ___ drbd-user

Re: [DRBD-user] Real live risk of data loss w/o flush

to a substantial epoch of 100 or even higher. Try disable all barriers and flushes, but put the disks in write-through instead (and hope that they don't forget about that setting). -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD

Re: [DRBD-user] Real live risk of data loss w/o flush

nodes. -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered trademarks of LINBIT, Austria. __ please don't Cc me, but send to list -- I'm subscribed

Re: [DRBD-user] DRBD and iSCSI

or is it something more involved? (Last time I looked at iSCSI I'm sure you had to completely re-export all your LUNs any time you wanted to add/remove one) Just the same as if you had a single iSCSI server without DRBD crashing and rebooting. Only faster. -- : Lars Ellenberg : LINBIT | Your Way to High

Re: [DRBD-user] Fwd: Re: drbd stops sync on LVM

it to magically know about, and sync, your changes. -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered trademarks of LINBIT, Austria. __ please don't Cc me, but send to list -- I'm subscribed

Re: [DRBD-user] Fwd: Re: drbd stops sync on LVM

On Wed, Sep 08, 2010 at 04:53:12PM +0200, Eric Deschamps wrote: Le 08/09/2010 16:30, Lars Ellenberg a écrit : See how not one of them references DRBD, but all directly use the lower level LVs directly? If you bybass DRBD, you cannot expect it to magically know about, and sync

Re: [DRBD-user] Recurring Log Messages

. In a newer version of that resource agent it uses some quiet flag in the invokation of crm_master (which is the wrapper around crm_attribute, which is logging this). In a newer version of pacemaker, crm_attribute even keeps quiet when someone uses that flag ;-) -- : Lars Ellenberg : LINBIT | Your

Re: [DRBD-user] ds:Inconsistent/Diskless

an error Unknown command 'new-current-uuid' If that is an unknown command to drbdadm, you are NOT using drbd 8.3.7. Double check kernel _and_ userland versions of DRBD. -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD

Re: [DRBD-user] become-primary-on when drbd network connection is interrupted

the drbdadm primary command on server-1. It did work, not a big deal, but it would be better if this can work as expected. Could be due to some settings in the drbd.conf? What follow is the drbd.con content and I thank you in advance for any kind of tip. -- : Lars Ellenberg : LINBIT | Your Way

Re: [DRBD-user] connect error -22 with SDP/InfiniBand

findings on DRBD performance IPoIB vs. SDP, once you get the thing to work on your platform. HTH, -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered trademarks of LINBIT, Austria. __ please don't Cc

Re: [DRBD-user] data-integrity-alg in dual-Primary setup

the drbd level checksum, and trust the TCP checksum. If not, are you planning to implement this feature? Maybe. But it does not have particular priority. Maybe we rather wait for the VM and VFS layer to fix it for us. -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support

Re: [DRBD-user] connect error -22 with SDP/InfiniBand

the test lab hardware we used. Depending on your hardware, and the quality recommendations of your SDP tuning expert, your findings may be different. -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered

Re: [DRBD-user] how to measure the time of one file's synchronization to secondary node

`. the write operations in the cp wont complete until the data is on both disks. Uhm... page cache... rather do a time cp $source $sink ; time sync, otherwise you only benchmark your memory bandwidth (assuming that the 1GiB file fits into your RAM). -- : Lars Ellenberg : LINBIT | Your Way

Re: [DRBD-user] testing crm-fence-peer.sh

.) We start with a timeout of 1 second, apparently that is not enough in your setup to get an answer. If the message disturbs you, feel free to increase the initial timeout there. - local cibtimeout=10 + local cibtimeout=29 (or something like that). -- : Lars Ellenberg : LINBIT | Your Way

Re: [DRBD-user] recover from a situation

). You should definetly not automate this, as it would render all the effort we do to outdate disconnected secondaries useless. -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered trademarks of LINBIT

Re: [DRBD-user] Effectiveness of barriers on disks with volatile write cache

From: Lars Ellenberg lars.ellenb...@linbit.com Subject: Re: [DRBD-user] barrier mode on LVM containers

Re: [DRBD-user] dual primary DRBD, iSCSI and multipath possible?

or the initiators or the targets or the replication link or anything more interesting breaks, then I certainly don't want to be the one cleaning up the mess. I strongly recommend against it. -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http

Re: [DRBD-user] DRBD 8.3.7 user/Makefile.in patch

:50.0 +0100 +++ drbd-8.3.7/user/Makefile.in 2010-09-25 12:26:17.963038793 +0200 @@ -98,23 +98,24 @@ distclean: clean install: ifeq ($(WITH_UTILS),yes) - install -d $(DESTDIR)/sbin/ + install -d $(DESTDIR)$(sbindir) ... -- : Lars Ellenberg : LINBIT | Your Way

Re: [DRBD-user] Problems using image files with drbd, maybe unsupported?

of your xen resource, of the pacemaker config, and the drbd config, and someone can point out what you did wrong. -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered trademarks of LINBIT, Austria

Re: [DRBD-user] Problems using image files with drbd, maybe unsupported?

trust yast in starting the vm after unclean cut. But this doesn't work... I'm fine with this solution. DRBD rocks! And you are sure you ssh'ed into your newly started trnagios now running on this host, not into the still running trnagios still running on the other? ;-) -- : Lars Ellenberg

Re: [DRBD-user] Online Verify and Kernel Panic

in some code paths with online verify since 8.3.2. -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered trademarks of LINBIT, Austria. __ please don't Cc me, but send to list -- I'm subscribed

Re: [DRBD-user] drbd-8.3.9rc2.tar.gz

drbd_actlog.o -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered trademarks of LINBIT, Austria. __ please don't Cc me, but send to list -- I'm subscribed

Re: [DRBD-user] Proposing a patch for drbd ocf ra to suppress mismatch warnings

something similar to that. Should be pushed to public soon. Will be in 8.3.9. -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered trademarks of LINBIT, Austria. __ please don't Cc me, but send

Re: [DRBD-user] drbdadm expects /usr/local/etc/drbd.conf but linbit:ocf tries /etc/drbd.conf

properly if you deviate from that. It may. We certainly do not test any other locations. -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered trademarks of LINBIT, Austria. __ please don't Cc me, but send

Re: [DRBD-user] drbd-8.3.9rc2.tar.gz

On Wed, Oct 20, 2010 at 04:33:30PM +0200, r...@q-leap.de wrote: Lars == Lars Ellenberg lars.ellenb...@linbit.com writes: Build automagic of who? The kernel? When I apply the patch generated by make kernel-patch and compile I get a BLK_MAX_SEGMENTS undefined error. Lars Ah

Re: [DRBD-user] [Pacemaker] drbd on heartbeat links

not be outomated, as it involves knowledge the cluster cannot have, thus cannot base decisions on. So again, What is it you are trying to solve? -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered trademarks

Re: [DRBD-user] building drbd 8.3.9 against upstream kernel

|| echo n) include $(DRBDSRC)/Makefile-2.6 -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered trademarks of LINBIT, Austria. __ please don't Cc me, but send to list -- I'm subscribed

Re: [DRBD-user] drbd on virtio: WARNING: at block/blk-core.c

reproducable and still exists in git head (drbd-8.3.9-5-g7fed7c2). It didn't exist in 8.3.8.1. Except for the warning DRBD is syncing fine. Any clues? Thomas Thanks, -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD

Re: [DRBD-user] Drbd resource return 20 (unspecified)

? Was the system particularly busy at the times when this happened? -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD® and LINBIT® are registered trademarks of LINBIT, Austria. __ please don't Cc me, but send to list -- I'm

Re: [DRBD-user] Need help, we want invalidate if role=Secondary and uuid_compare rule==4

On Tue, Nov 09, 2010 at 10:08:55AM +, putcha narayana wrote: Hi Can someone please respond to my request. Upgrade drbd. If it is still reproducable, post again. -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http://www.linbit.com DRBD

Re: [DRBD-user] building drbd 8.3.9 against upstream kernel

On Mon, Nov 08, 2010 at 08:10:31AM -0800, fibrer...@gmail.com wrote: Hi Lars, Despite this patch, compiling still fails on Ubuntu Maverick (10.10). Can you advise? Works for me, though. -- : Lars Ellenberg : LINBIT | Your Way to High Availability : DRBD/HA support and consulting http

<    1   2   3   4   5   6   7   8   9   10   >