Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
Hi Brian,
DRBD proxy is paid stuff. How much does it cost and who to contact. I am
new player working in very low budget with the customer.For multiple
installation of proxy , may be we can come to a feasible deal. Whom can i
talk on that?
Papu
On Tue, Feb 21, 2012 at 1:25 AM, <drbd-user-request at lists.linbit.com> wrote:
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> Today's Topics:
>
> 1. Re: Activity-log. (Brian R. Hellman)
> 2. Re: drbd stuck in WFbitmaps state in WAN link (Brian R. Hellman)
> 3. Re: Backing up VMware VM's running DRBD with VMware Data
> Recovery (VDR) (Andreas Kurz)
> 4. IO error when mounting device (Lawrence Strydom)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Mon, 20 Feb 2012 08:13:07 -0800
> From: "Brian R. Hellman" <brian at linbit.com>
> Subject: Re: [DRBD-user] Activity-log.
> To: drbd-user at lists.linbit.com
> Message-ID: <4F427113.5040200 at linbit.com>
> Content-Type: text/plain; charset=ISO-8859-1
>
>
>
> On 02/19/2012 10:56 PM, venkatesh prabhu wrote:
> >
> > version: 8.0.14 (api:86/proto:88)
> > GIT-hash: bb447522fc9a87d0069b7e14f0234911ebdab0f7 build by attR
> > 2008-11-12 16:40:33
> > 0: cs:WFConnection st:Primary/Unknown ds:UpToDate/DUnknown C r---
> > ns:0 nr:0 dw:3669188 dr:236129 al:144 bm:17 lo:0 pe:0 ua:0 ap:0
> >
> For your sanity and everyone's around you using this system, _please_
> upgrade! :)
>
> If you need any justification see:
> http://git.drbd.org/?p=drbd-8.3.git;a=blob;f=ChangeLog;hb=HEAD
>
>
> Best regards,
> Brian
>
> --
>
> : Brian Hellman
> : LINBIT | "Your Way to High Availability"
> : 1-877-4-LINBIT
> : Web: http://www.linbit.com
> :
> : Twitter: http://www.linbit.com/en/twitter
> : Facebook: http://www.linbit.com/en/facebook
>
>
>
> ------------------------------
>
> Message: 2
> Date: Mon, 20 Feb 2012 08:20:04 -0800
> From: "Brian R. Hellman" <brian at linbit.com>
> Subject: Re: [DRBD-user] drbd stuck in WFbitmaps state in WAN link
> To: drbd-user at lists.linbit.com
> Message-ID: <4F4272B4.6000303 at linbit.com>
> Content-Type: text/plain; charset=ISO-8859-1
>
>
>
> On 02/18/2012 06:58 AM, papu bhattacharya wrote:
> > Hi All,
> > I have successfully setup a DRBD setup between two server in my lan
> > setup. The speed is 100 Mbps. The next staage was to do a DR setup
> > with wan link. The WAN link speed is 2Mbps. In wan link , i see the
> > DRBD is stuck in WFBitmaps state. Whenever i change the link , it
> > works fine, but in my wan L2 link , it is always stuck in WFBitmaps.
> > As i search the different forums , i see that most potential reason
> > could be the MTU size of the link. Does MTU size really matters? My
> > wan link MTU size is 1500 default and it does not support zumbo frame.
> > Is there any option that can make DRBD to work in 1500 MTU size.
> >
> > Thanks in advance.
>
> Hi Papu,
>
> Once you apply the use-rle as suggested, you may run into other
> performance issues depending on the amount of traffic and latency. If
> you do, you may want to give DRBD Proxy a try since it was designed
> specifically for this type of scenario.
>
> Good luck with your setup,
> Brian
>
> >
> >
> >
> > _______________________________________________
> > drbd-user mailing list
> > drbd-user at lists.linbit.com
> > http://lists.linbit.com/mailman/listinfo/drbd-user
>
> --
>
> : Brian Hellman
> : LINBIT | "Your Way to High Availability"
> : 1-503-573-1262 x202 | 1-877-4-LINBIT
> : Web: http://www.linbit.com
> :
> : Twitter: http://www.linbit.com/en/twitter
> : Facebook: http://www.linbit.com/en/facebook
>
>
>
> ------------------------------
>
> Message: 3
> Date: Mon, 20 Feb 2012 20:32:39 +0100
> From: Andreas Kurz <andreas at hastexo.com>
> Subject: Re: [DRBD-user] Backing up VMware VM's running DRBD with
> VMware Data Recovery (VDR)
> To: drbd-user at lists.linbit.com
> Message-ID: <4F429FD7.9080404 at hastexo.com>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Hello,
>
> On 02/17/2012 10:28 AM, Mark Watts wrote:
> >
> > I have a pair of CentOS 5.7 VM's running an LVM/DRBD/EXT3 Pri/Sec
> cluster.
> >
> > Since we use VDR to take snapshots of our VM's I naturally added these
> > two VM's to the backup rota.
>
> So you installed latest VMware tools to the VMs and you are sure they
> are running?
>
> >
> > Pretty much every night I get hundreds of errors in the VDR logs
> > relating to the Primary, giving the message:
> >
> > "Failed to create snapshot for VDR01, error -3960 ( cannot quiesce
> > virtual machine)"
>
> Any logs from vmware-tools in the VM?
>
> Regards,
> Andreas
>
> --
> Need help with DRBD?
> http://www.hastexo.com/now
>
> >
> >
> > I'm taking a wild guess at this perhaps being related to DRBD; can
> > anyone suggest whether this is the issue.
> >
> >
> > Mark.
> >
> > _______________________________________________
> > drbd-user mailing list
> > drbd-user at lists.linbit.com
> > http://lists.linbit.com/mailman/listinfo/drbd-user
>
>
>
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> ------------------------------
>
> Message: 4
> Date: Fri, 17 Feb 2012 11:15:45 +0200
> From: Lawrence Strydom <lawrence at junkmail.co.za>
> Subject: [DRBD-user] IO error when mounting device
> To: drbd-user <drbd-user at lists.linbit.com>
> Message-ID: <4F3E1AC1.6080006 at junkmail.co.za>
> Content-Type: text/plain; charset="iso-8859-1"; Format="flowed"
>
> Hi List,
>
> I used DRBD in dual primary mode with ocfs2 for my load balancing web
> server cluster. I didn't encounter any errors during setup and when I
> put the web site on the DRBD device on the primary node, it replicated
> without any errors. It has been running fine during the week of testing
> but this morning when we updated code located on the DRBD device we
> noticed it was not replicating to the secondary node.
> the DRBD device was mounted on both nodes but /proc/drbd output this:
>
> *version: 8.3.7 (api:88/proto:86-91)
> GIT-hash: ea9e28dbff98e331a62bcbcc63a6135808fe2917 build by
> root at web01.junkmail.co.za, 2012-01-10 09:54:40
> 0: cs:StandAlone ro:Primary/Unknown ds:UpToDate/DUnknown r----
> ns:0 nr:0 dw:5960937 dr:5047235 al:1490 bm:1363 lo:0 pe:0 ua:0 ap:0
> ep:1 wo:b oos:8840028*
>
>
> I restarted drbd and ocfs2 but still the result was the same. Next I
> rebooted the misbehaving node and noticed when it came back up that the
> DRBD device was no longer mounted.
>
> Trying to mount the device manually returns this error:
> *mount /dev/drbd0
> mount.ocfs2: I/O error on channel while opening device /dev/drbd0*
>
>
> A tail of the log file shows nothing but an earlier entry shows this:
>
> *Feb 17 10:47:54 web02 kernel: [ 13.531600] block drbd0: disk(
> Attaching -> UpToDate )
> Feb 17 10:47:54 web02 kernel: [ 13.535865] block drbd0: conn(
> StandAlone -> Unconnected )
> Feb 17 10:47:54 web02 kernel: [ 13.535889] block drbd0: Starting
> receiver thread (from drbd0_worker [1484])
> Feb 17 10:47:54 web02 kernel: [ 13.535998] block drbd0: receiver
> (re)started
> Feb 17 10:47:54 web02 kernel: [ 13.536006] block drbd0: conn(
> Unconnected -> WFConnection )
>
>
> *This is my r1.res file:
>
> *===============================================================
> resource r1 {
> meta-disk internal;
> device /dev/drbd0;
> disk /dev/vol01/docroot;
>
> syncer { rate 1000M; }
> net {
> allow-two-primaries;
> after-sb-0pri discard-zero-changes;
> after-sb-1pri discard-secondary;
> after-sb-2pri disconnect;
> }
> startup { become-primary-on both; }
>
> on web01.junkmail.co.za { address 10.0.0.111:7789; }
> on web02.junkmail.co.za { address 10.0.0.112:7789; }
> }*
> *===============================================================*
>
>
>
> Here is /etc/ocfs2/cluster.conf:
>
> ===============================================================
> *cluster:
> node_count = 2
> name = jbm_web
>
> node:
> ip_port = 7777
> ip_address = 10.0.0.111
> number = 1
> name = web01
> cluster = jbm_web
>
> node:
> ip_port = 7777
> ip_address = 10.0.0.112
> number = 2
> name = web02
> cluster = jbm_web
> ================================================================
>
>
>
> *Any help/ideas much appreciated - the pressure is on here.
>
> Thanks
> *
>
>
>
> *
> *-- *
> *Lawrence Strydom*
> *Linux System Administrator*
> Junk Mail Publishing Group
> Tel : (+27) 12 342 3840 Ext 2811
> Fax : 0000
> Email : lawrence at junkmail.co.za
>
>
>
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> <
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> >
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> <
> http://www.junkmail.co.za/r-southafrica-classifieds-QZQYRgnQX0005?utm_source=inhouse&utm_medium=email&utm_campaign=EmailSignature
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>
> *Link to MAP:
>
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> <
> http://maps.google.co.za/maps?f=q&source=s_q&hl=en&geocode=&q=1312+Pretorius+Str,+Hatfield,+Pretoria&sll=-
> >*
>
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> <
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