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<div dir="ltr"><div>> well, you could try the one I put in my previous answer ... and it does<br>> not need to be of the exact size on nfs1 ... equal or more<br>> </div><div><br></div><div>I will try that. It's probably apparent, but I'm new to LVM and DRBD. Is the</div><div><span style="font-size: 10pt; ">"drbdadm </span><span style="font-size: 10pt; ">adjust nfs" on nfs2 something that I can do while that system is</span></div><div><span style="font-size: 10pt; ">up-and-running and servicing Production requests?</span></div><div><span style="font-size: 10pt; "><br></span></div><div><span style="font-size: 10pt; ">Thanks, again,</span></div><div><span style="font-size: 10pt; "><br></span></div><div><span style="font-size: 10pt; ">-Anthony</span></div><br><div><div id="SkyDrivePlaceholder"></div>> Date: Fri, 21 Dec 2012 18:12:23 +0100<br>> From: andreas@hastexo.com<br>> To: drbd-user@lists.linbit.com<br>> CC: agenerette@hotmail.com<br>> Subject: Re: [DRBD-user] “The peer's disk size is too small!” messages on attempts to add rebuilt pee<br>> <br>> <br>> Please don't bypass the mailing-list ...<br>> <br>> On 12/21/2012 06:04 PM, Anthony G. wrote:<br>> > Thank you for your input. That was my first thought, but I caught hell<br>> > trying<br>> > to get the partition sizes to match. I'm not sure which size reading I<br>> > need to <br>> > take on -nfs2 and then which specific lvcreate command I need to execute on <br>> > -nfs1 to get the size on the latter set properly.<br>> <br>> well, you could try the one I put in my previous answer ... and it does<br>> not need to be of the exact size on nfs1 ... equal or more<br>> <br>> > <br>> > I've recreated the lv, though (just to try and make some progress), and<br>> > am now <br>> > getting the following, when I try to 'service drbd start' on -nfs1:<br>> > <br>> > DRBD's startup script waits for the peer node(s) to appear.<br>> > - In case this node was already a degraded cluster before the<br>> > reboot the timeout is 0 seconds. [degr-wfc-timeout]<br>> > - If the peer was available before the reboot the timeout will<br>> > expire after 0 seconds. [wfc-timeout]<br>> > (These values are for resource 'nfs'; 0 sec -> wait forever)<br>> > To abort waiting enter 'yes' [ 123]:yes<br>> > <br>> > 'netstat -a' doesn't show -nfs2 listening on port 7789, but I do see<br>> > drbd-related<br>> > processes running on that box. <br>> <br>> so the resource on nfs2 is in disconnected state .... do a "drbdadm<br>> adjust nfs" on nfs2<br>> <br>> Regards,<br>> Andreas<br>> <br>> > <br>> > -Anthony<br>> > <br>> > Date: Fri, 21 Dec 2012 17:25:01 +0100<br>> > From: andreas@hastexo.com<br>> > To: drbd-user@lists.linbit.com<br>> > Subject: Re: [DRBD-user] “The peer's disk size is too small!” messages<br>> > on attempts to add rebuilt pee<br>> > <br>> > On 12/21/2012 12:13 AM, Anthony G. wrote:<br>> >> Hi,<br>> >> <br>> >> There's so much information relating to my current configuration, that<br>> >> I'm not sure what I should post here. Let me start by saying that I had<br>> >> two Ubuntu 10.04 hosts configured in a DRBD relationship: sf02-nfs1<br>> >> (primary) and sf0-nfs2 (secondary). -nfs1 suffered a major filesystem<br>> >> fault. I had to make -nfs2 primary and rebuild -nfs1. I want to<br>> >> eventually have all of my machines on 12.04, so I took this as an<br>> >> opportunity to set -nfs1 on that OS.<br>> >> <br>> >> Here is a copy of my main configuration file (/etc/drbd.d/nfs.res):<br>> >> <br>> >> resource nfs {<br>> >> on sf02-nfs2 {<br>> >> device /dev/drbd0;<br>> >> disk /dev/ubuntu/drbd-nfs;<br>> >> address 10.0.6.2:7789;<br>> >> meta-disk internal;<br>> >> }<br>> >> on sf02-nfs1 {<br>> >> device /dev/drbd0;<br>> >> disk /dev/ubuntuvg/drbd-nfs;<br>> >> address 10.0.6.1:7789;<br>> >> meta-disk internal;<br>> >> }<br>> >> }<br>> >> <br>> >> <br>> >> I'm trying to re-introduce -nfs1 into the DRBD relationship and am<br>> >> having trouble. I have:<br>> >> <br>> >> <br>> >> 1.) created the resource "nfs" on -nfs1 ('drbdadm create-md nfs')<br>> >> <br>> >> 2.) run 'drbdadm primary nfs' on -nfs2 and 'drbdadm secondary nfs' on -nfs1.<br>> >> <br>> >> 3.) run drbdadm -- --overwrite-data-of-peer primary all' from -nfs2.<br>> >> <br>> >> <br>> >> But /var/log/kern.log shows:<br>> >> <br>> >> =====<br>> >> <br>> >> Dec 19 19:55:47 sf02-nfs2 kernel: [9284165.843938] block drbd0:<br>> >> Handshake successful: Agreed network protocol version 91<br>> >> <br>> >> Dec 19 19:55:47 sf02-nfs2 kernel: [9284165.843949] block drbd0: conn(<br>> >> WFConnection -> WFReportParams )<br>> >> <br>> >> Dec 19 19:55:47 sf02-nfs2 kernel: [9284165.844171] block drbd0: Starting<br>> >> asender thread (from drbd0_receiver [2452])<br>> >> <br>> >> Dec 19 19:55:47 sf02-nfs2 kernel: [9284165.844539] block drbd0:<br>> >> data-integrity-alg: <not-used><br>> >> <br>> >> Dec 19 19:55:47 sf02-nfs2 kernel: [9284165.844610] block drbd0: *The<br>> >> peer's disk size is too small!*<br>> >> <br>> >> Dec 19 19:55:47 sf02-nfs2 kernel: [9284165.844617] block drbd0: conn(<br>> >> WFReportParams -> Disconnecting )<br>> >> <br>> >> Dec 19 19:55:47 sf02-nfs2 kernel: [9284165.844626] block drbd0: error<br>> >> receiving ReportSizes, l: 32!<br>> >> <br>> >> Dec 19 19:55:47 sf02-nfs2 kernel: [9284165.844680] block drbd0: asender<br>> >> terminated<br>> >> <br>> >> Dec 19 19:55:47 sf02-nfs2 kernel: [9284165.844691] block drbd0:<br>> >> Terminating asender thread<br>> >> <br>> >> Dec 19 19:55:47 sf02-nfs2 kernel: [9284165.844746] block drbd0:<br>> >> Connection closed<br>> >> <br>> >> Dec 19 19:55:47 sf02-nfs2 kernel: [9284165.844755] block drbd0: conn(<br>> >> Disconnecting -> StandAlone )<br>> >> <br>> >> Dec 19 19:55:47 sf02-nfs2 kernel: [9284165.844791] block drbd0: receiver<br>> >> terminated<br>> >> <br>> >> Dec 19 19:55:47 sf02-nfs2 kernel: [9284165.844794] block drbd0:<br>> >> Terminating receiver thread<br>> >> <br>> >> =====<br>> >> <br>> >> <br>> >> So, it seems that a difference in the size of drbd0 on the respective<br>> >> machines is the source of my trouble. 'cat /proc/partitions' (output<br>> >> pasted at the end of this message) on each machine tells me that -nfs2's<br>> >> partition is around 348148 blocks larger than -nfs1's. -nfs2 contains<br>> >> my company's Production data, so I do not, of course, want to do<br>> >> anything destructive there. I can, however, certainly recreate the<br>> >> resource on -nfs1. <br>> >> <br>> >> <br>> >> Does anyone out there know what steps I need to take to make the<br>> >> partition sizes match? Of course, I'm working under the belief that the<br>> >> "peer's disk size is too small" message points up the source of my<br>> >> trouble. Let me know, of course, if I need to post more information on<br>> >> my setup.<br>> > <br>> > You are using LVM, so simply resize the lv below DRBD on nfs1 to be at<br>> > least of the same size or bigger ala:<br>> > <br>> > lvresize -L+200M ubuntuvg/drbd-nfs<br>> > <br>> > ... then recreate meta-data on that resized lv on nfs1 and on nfs1 do a:<br>> > <br>> > drbdadm up nfs<br>> > <br>> > <br>> > Regards,<br>> > Andreas<br>> > <br>> > -- <br>> > Need help with DRBD?<br>> > http://www.hastexo.com/now<br>> > <br>> >> <br>> >> <br>> >> Thanks,<br>> >> <br>> >> <br>> >> -Anthony<br>> >> <br>> >> <br>> >> <br>> >> <br>> >> <br>> >> <br>> >> ==========<br>> >> <br>> >> root@sf02-nfs1:/dev/ubuntuvg# cat /proc/partitions <br>> >> <br>> >> major minor #blocks name<br>> >> <br>> >> <br>> >> 8 0 1952448512 sda<br>> >> <br>> >> 8 1 512000 sda1<br>> >> <br>> >> 8 2 1 sda2<br>> >> <br>> >> 8 5 1886388224sda5<br>> >> <br>> >> 252 0 20971520 dm-0<br>> >> <br>> >> 252 1 5242880 dm-1<br>> >> <br>> >> 252 2 1706033152 dm-2<br>> >> <br>> >> 147 0 1705981052 drbd0<br>> >> <br>> >> <br>> >> <br>> >> root@sf02-nfs2:/etc/drbd.d# cat /proc/partitions <br>> >> <br>> >> major minor #blocks name<br>> >> <br>> >> <br>> >> 8 0 1952448512 sda<br>> >> <br>> >> 8 1 248832 sda1<br>> >> <br>> >> 8 2 1 sda2<br>> >> <br>> >> 8 5 1952196608 sda5<br>> >> <br>> >> 252 0 209715200 dm-0ubuntuvg-root<br>> >> <br>> >> 252 1 36098048 dm-1ubuntuvg-swap<br>> >> <br>> >> 252 2 1706381312 dm-2ubuntuvg-drbd--nfs<br>> >> <br>> >> 147 0 1706329200 drbd0<br>> >> <br>> >> <br>> >> <br>> >> <br>> >> _______________________________________________<br>> >> drbd-user mailing list<br>> >> drbd-user@lists.linbit.com<br>> >> http://lists.linbit.com/mailman/listinfo/drbd-user<br>> >> <br>> > <br>> > <br>> > <br>> > <br>> > <br>> > _______________________________________________ drbd-user mailing list<br>> > drbd-user@lists.linbit.com<br>> > http://lists.linbit.com/mailman/listinfo/drbd-user<br>> <br>> <br></div></div>
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