Re: [DRBD-user] Mount and use disk while Inconsistent?

Good to know, thanks. Cheers! Dan On 9/21/2018 1:55 PM, digimer wrote: Yup, its fine. Note though; If the UpToDate node goes offline, the Inconsistent node will force itself to Secondary and be unusable. So while it's possible to mount and use, be careful that whatever is being used can

[DRBD-user] Mount and use disk while Inconsistent?

Just double checking. Is it ok to have a dual-primary setup where both nodes are primary while one is still syncing? [node1]# drbdadm status r0 role:Primary volume:0 disk:UpToDate volume:1 disk:UpToDate node2.mydomain.com role:Primary volume:0 replication:SyncSource

Re: [DRBD-user] DRBD9: full-mesh and managed resources

On Thu, Aug 18, 2016 at 6:03 AM, Veit Wahlich wrote: > But the shortest link is not guaranteed. Especially after recovery from > a network link failure. > You might want to monitor each node for the shortest path. Simplest solution here is to overbuild. If you are going to do a

Re: [DRBD-user] drbdmanage init with zfs storage?

On Tue, Aug 16, 2016 at 1:36 AM, Roland Kammerer wrote: > The control volume itself is always on LVM and there is currently no way > to change that. It's 2 x 4M. I don't see a reason to change that. I'm running a ZFS so LVM for the cluster is on top of that. It's

[DRBD-user] drbdmanage init with zfs storage?

Hello! First off, I'm new to drbd, or rather I haven't used it in a very very long time. I'm looking for a way to: a) init a new drbd cluster with drbdmanage backed by zfs (instead of lvm) or b) init a new drbd cluster with drbdmanage and then change the control volume over to zfs afterwards. I

[DRBD-user] Is this configuration a bad idea?

have 2 different DRBD partitions. What do you recommend running on top of the DRDB partitions? ext4? Thank you. Best regards, Dan ___ drbd-user mailing list drbd-user@lists.linbit.com http://lists.linbit.com/mailman/listinfo/drbd-user

Re: [DRBD-user] drbd: refactor use of first_peer_device()

[ For some reason I was looking at old warnings and this showed up. Sorry for sending these a long time after the fact. - dan ] Hello Lars Ellenberg, This is a semi-automatic email about new static checker warnings. The patch 44a4d551846b: drbd: refactor use of first_peer_device() from Nov

Re: [DRBD-user] Considerations for using bcache on top of DRBD

this. You put both the SSD and the HDD in the same resource (Requires version 8.4). In that way, the HDD and SSD remain linked, as intended. Putting them in separate resources, a la version 8.3, would be a mess as you note. Dan ___ drbd-user mailing list

Re: [DRBD-user] drbd Input/output error

, please provide more doc. Output from mount, your drbd resource definition files and your LVM filters. Dan ___ drbd-user mailing list drbd-user@lists.linbit.com http://lists.linbit.com/mailman/listinfo/drbd-user

Re: [DRBD-user] drbd not working with high mtu?

buffer sizes in the config? [ version: 8.3.7 (api:88/proto:86-91) ] HARKA Győző --- ssh, ping, nfs all will fragment packets. Try ping with a 10K size and the don't fragment switch set. Lower the size until it works. ping -M do -s 6800 -c 1 host Dan

Re: [DRBD-user] Antwort: Re: proto c - corrupt files - directories missing

/notify-out-of-sync.sh use...@comain.ltd; I did not look in the doc. Gotta run out. Dan ___ drbd-user mailing list drbd-user@lists.linbit.com http://lists.linbit.com/mailman/listinfo/drbd-user

Re: [DRBD-user] data mismatch when primary/secondary are both up2date

, the verify succeeding seems to say something else may be going on. Please provide more information, such as your LVM setup, drbd config, file systems and the test cases. Dan in Atlanta ___ drbd-user mailing list drbd-user@lists.linbit.com http

Re: [DRBD-user] Fwd: how to place secondary node in maintenance mode

Wow! Those are some old versions! Just “drbdadm disconnect all” on the Primary node before the maintenance and “drbdadm connect all” afterwards. All else is magic! Dan From: drbd-user-boun...@lists.linbit.com [mailto:drbd-user-boun...@lists.linbit.com] On Behalf Of Gabriel Sosa Sent: Tuesday

Re: [DRBD-user] Unable to sync new machine

dmesg should show why earth won't stay WFC. The cat /proc/drbd just shows the state, it doesn't show the why. vulcan won't connect because earth is not WFC. Dan From: drbd-user-boun...@lists.linbit.com [mailto:drbd-user-boun...@lists.linbit.com] On Behalf Of Hans Lammerts Sent: Saturday

Re: [DRBD-user] generation identifiers

applications. Again, without knowing the sharing and application logic in detail about your specific systems, split-brain analysis is impossible. hth and good luck! (Get fencing working!, Get a current drbd installed!!) Dan Aprecciating your help. -- Mit freundlichen Grüßen Ing. Mag

Re: [DRBD-user] csums-alg seems not working on my cluster....

. Also, you don't have to do a full sync on initially empty disks. That's in the doc under clear-bitmap and/or new-current-uuid. You can modify the syncher rate while running, or in the config files and then adjust the resources. Dan From: drbd-user-boun...@lists.linbit.com [mailto:drbd-user

Re: [DRBD-user] DRDB over Software RAID1 - Failure: (104) Can not open backing device

: * There are various disk devices (not specified) * Upon which is run raid providing /dev/md4 * Which is the backing device for DRBD * Which provides /dev/drbd1 * Which contains an ext2 filesystem (/srv) * Which is shared. Clear as mud? Dan From: drbd-user-boun

Re: [DRBD-user] Sync of Nodes

. Dan ___ drbd-user mailing list drbd-user@lists.linbit.com http://lists.linbit.com/mailman/listinfo/drbd-user

Re: [DRBD-user] Upgrading from 8.3.11-2 to 8.3.15-2

No worries. The servers negotiate a common protocol. You can even jump to 8.4.whatever. Dan From: drbd-user-boun...@lists.linbit.com [mailto:drbd-user-boun...@lists.linbit.com] On Behalf Of Rick Cone Sent: Saturday, June 22, 2013 4:27 PM To: drbd-user@lists.linbit.com Subject: [DRBD-user

Re: [DRBD-user] drbdadm verify resource with cron

...@address.tldmailto:myem...@address.tld; When I get these email, I can remedy the situation; disconnect/connect to resync, replace a drive if it's bad, whatever. It only sends the email about once per year (not using RAID). Dan in Atlanta From: drbd-user-boun...@lists.linbit.com [mailto:drbd

Re: [DRBD-user] drbdadm verify resource with cron

I think so, but it only happens rarely. Doesn't really matter. Dan -Original Message- From: drbd-user-boun...@lists.linbit.com [mailto:drbd-user- boun...@lists.linbit.com] On Behalf Of AZ 9901 Sent: Friday, June 21, 2013 10:53 AM To: drbd-user@lists.linbit.com Subject: Re: [DRBD

Re: [DRBD-user] drbdadm verify resource with cron

There is no such thing as in sync or out of sync if the resource is standalone. It simply is what it is. Dan From: andreas graeper [mailto:agrae...@googlemail.com] Sent: Friday, June 21, 2013 11:09 AM To: Dan Barker Subject: Re: [DRBD-user] drbdadm verify resource with cron hi, when a drdb

Re: [DRBD-user] Replication problems constants with DRBD 8.3.10

The suggestion is to replace the actual RealTek NIC with an Intel NIC or some other dependable brand, not to use different drivers on the hardware you have. Clear as mud? Dan (top poster) in Atlanta -Original Message- From: drbd-user-boun...@lists.linbit.com [mailto:drbd-user

Re: [DRBD-user] drbd+mysql+innodb

rsync will not be able to synchronize from a failed disk, drbd already has done so. Dan in Atlanta From: drbd-user-boun...@lists.linbit.com [mailto:drbd-user-boun...@lists.linbit.com] On Behalf Of Robinson, Eric Sent: Wednesday, June 12, 2013 6:20 PM To: Dirk Bonenkamp - ProActive Cc: drbd

Re: [DRBD-user] promoting one of new disks

. But there are different manual and command syntaxes for 8.3 vs 8.4. Look in the appropriate doc for clear-bitmap. Dan From: drbd-user-boun...@lists.linbit.com [mailto:drbd-user-boun...@lists.linbit.com] On Behalf Of andreas graeper Sent: Wednesday, May 29, 2013 7:19 AM To: drbd-user

Re: [DRBD-user] Dumb question

Dan -Original Message- From: drbd-user-boun...@lists.linbit.com [mailto:drbd-user-boun...@lists.linbit.com] On Behalf Of Prater, James K. Sent: Monday, May 20, 2013 7:19 AM To: Lars Ellenberg; drbd-user@lists.linbit.com Subject: [DRBD-user] Dumb question Hello Lars, I have a real dumb

Re: [DRBD-user] Not able to test Automatic split brain recovery policies

-Original Message- From: Shailesh Vaidya [mailto:shailesh_vai...@persistent.co.in] Sent: Thursday, April 11, 2013 1:50 AM To: Digimer Cc: Dan Barker; drbd-user@lists.linbit.com Subject: RE: [DRBD-user] Not able to test Automatic split brain recovery policies Hi Digimer, Thanks

Re: [DRBD-user] Not able to test Automatic split brain recovery policies

You don't show the status of the nodes, but I imagine you have two primary nodes. There is no handler specified for two primary nodes. Did you have two primary, disconnected nodes? It shouldn't be possible to create split brain without writing on both nodes. Dan From: drbd-user-boun

Re: [DRBD-user] does drbd act like a loop device?

I have been using it this way for over a year now without issue. On 03/27/2013 03:40 AM, Maurits van de Lande wrote: Hello, I'm would like to use a volume cached with flashcache as a drbd backing device with drbd 8.3. In order for flashcache to work there should not be a loop device in the

Re: [DRBD-user] Uncatchable DRBD out-of-sync issue

need shared storage. Two completely different concepts. Now, the shared storage can be based on a DRBD Primary, and you can have it fail over to a DRBD Secondary, but dual primary is not going to do what you want and shared storage will. The storage you share may be virtualized, if you like. Dan

Re: [DRBD-user] Uncatchable DRBD out-of-sync issue

the resource)? Dan, in Atlanta From: drbd-user-boun...@lists.linbit.com [mailto:drbd-user-boun...@lists.linbit.com] On Behalf Of Stanislav German-Evtushenko Sent: Sunday, March 24, 2013 7:00 AM To: drbd-user@lists.linbit.com Subject: [DRBD-user] Uncatchable DRBD out-of-sync issue Dear all, I'm

[DRBD-user] DRBD log files

Q. Is there one central place in DRBD where the log files are setup? Stdout redirected from the screen to a log file? Where are all echo cmds going? Thanks, Dan ___ drbd-user mailing list drbd-user@lists.linbit.com http://lists.linbit.com/mailman

Re: [DRBD-user] dump-md data

the md to get a respectably large dumpg. [Don't] Dan -Original Message- From: drbd-user-boun...@lists.linbit.com [mailto:drbd-user-boun...@lists.linbit.com] On Behalf Of Olivier Le Cam Sent: Monday, March 11, 2013 2:48 PM To: drbd-user@lists.linbit.com Subject: [DRBD-user] dump-md data

Re: [DRBD-user] drbd pacemaker scst/srp 2 node active/passive question

targets since boot. One shows up as active and the other shows up as dead, but the VMs don't care. hth Dan in Atlanta -Original Message- From: drbd-user-boun...@lists.linbit.com [mailto:drbd-user-boun...@lists.linbit.com] On Behalf Of Jason Thomas Sent: Thursday, February 28, 2013 9:50

Re: [DRBD-user] Device is held open by someone

Seems this is a common problem!!! Can you point those of us experiencing Device is held open by someone to a DRBD resource (documentation) that gives an overview in this area for a better understanding of what may be going on? I will look at www.drbd.org for info. Thanks, Dan Phillips

Re: [DRBD-user] Device is held open by someone

Well, that's who's got it open. Task 7354, 27005 and 27174. See which you may be able to stop or kill. Dan From: Felipe Gutierrez [mailto:felipe.o.gutier...@gmail.com] Sent: Wednesday, February 27, 2013 11:46 AM To: Dan Barker Subject: Re: [DRBD-user] Device is held open by someone root

Re: [DRBD-user] Device is held open by someone

: Device is held open by someone Dan Phillips From: Phillips, Dan Sent: Wednesday, February 27, 2013 2:07 PM To: Dan Barker; drbd List (drbd-user@lists.linbit.com) Cc: Phillips, Dan; Felipe Gutierrez Subject: RE: [DRBD-user] Device is held open by someone On our system: [root@jamaica-a ~]# lsof

Re: [DRBD-user] Device is held open by someone

: drbd0: State change failed: Device is held open by someone Feb 8 04:59:35 jamaica-a kernel: drbd0: state = { cs:Connected st:Primary/Secondary ds:UpToDate/UpToDate r--- } Feb 8 04:59:35 jamaica-a kernel: drbd0: wanted = { cs:Connected st:Secondary/Secondary ds:UpToDate/UpToDate r--- } Dan

Re: [DRBD-user] Expanding a cluster

, build 2 arrays of 8 drives each, sync drbd to only one of them. Switch to the other server, repeat on the first, and then migrate at your leisure half of the load from the first 8-disk array to the second. Dan top poster in Atlanta -Original Message- From: drbd-user-boun

Re: [DRBD-user] bad side-effect: bug in inactive config stops other resources

not be drbd at all, but drbdadm commands requested by those tools. Thanks for the warning! Dan -Original Message- From: drbd-user-boun...@lists.linbit.com [mailto:drbd-user-boun...@lists.linbit.com] On Behalf Of Helmut Wollmersdorfer Sent: Wednesday, January 23, 2013 12:02 PM To: drbd-user

Re: [DRBD-user] Diagnosing a Failed Resource

to a resource, even if it’s disconnected, then split-brain won’t occur. “nuke the whole thing” certainly worked. So would have following the doc to invalidate the secondary copy and then simply connect. There is an excellent chapter in the manual about split-brain. Dan From: drbd-user-boun

Re: [DRBD-user] Diagnosing a Failed Resource

) but there will be a reason in the log files. If the logs are unclear, post the relevant portions back here and we'll help. Something like 'dmesg | grep drbd'. You may want to do the logs on both drbd servers. You can do the connect command on either. hth Dan From: drbd-user-boun

Re: [DRBD-user] DRDB stalled and impossible restart, down...

the drbd hosts? Dan -Original Message- From: drbd-user-boun...@lists.linbit.com [mailto:drbd-user-boun...@lists.linbit.com] On Behalf Of Abdelkarim Mateos Sanchez Sent: Sunday, January 13, 2013 2:18 AM To: drbd-user@lists.linbit.com Subject: Re: [DRBD-user] DRDB stalled and impossible

Re: [DRBD-user] Too many block drbdX: Out of sync

the execution of /sbin/drbdadm verify all errors are corrected. This is incorrect. Verifyall errors are identified. They are not corrected. To correct them, disconnect and reconnect. They are corrected at connect time. Dan -Original Message- From: drbd-user-boun...@lists.linbit.com

[DRBD-user] drbd0: State change failed: Device is held open by someone

Problem: The problem is that when performing an HA failover from server A to server B, a DRBD resource is sometimes not shut down properly on server A. Several attempts are made to stop the DRBD resource, but finally it gives up and the server is rebooted. The failover to server B works

Re: [DRBD-user] very large out-of-sync (oos) value yet drbd-overview claims UpToDate/UpToDate

There is an on-error event handler. Mine sends me email if verify fails (runs weekly, one resource each of M, Tu, W, Th nights). Dan In my Global handlers section: out-of-sync /usr/lib/drbd/notify-out-of-sync.sh myemail; -Original Message- From: drbd-user-boun

Re: [DRBD-user] very large out-of-sync (oos) value yet drbd-overview claims UpToDate/UpToDate

for syncing, but the hypothetical file system is still consistent. Just do the Disconnect/Connect and you'll have oos zero AND UpToDate. Dan -Original Message- From: Lonni J Friedman [mailto:netll...@gmail.com] Sent: Thursday, November 01, 2012 4:31 PM To: Dan Barker Cc: drbd-user

Re: [DRBD-user] DRBD Versions

you to give it a try. Heck, fire up a virtual machine or two and experiment. That's the fun part of our jobs anyhow. Dan -Original Message- From: drbd-user-boun...@lists.linbit.com [mailto:drbd-user-boun...@lists.linbit.com] On Behalf Of Adam Goryachev Sent: Tuesday, October 23, 2012 6:51

Re: [DRBD-user] IO Error Logging

need to muck with the script to make it match your system's peculiarities; shown is for Debian. Dan -Original Message- From: Felix Frank [mailto:f...@mpexnet.de] Sent: Sunday, October 07, 2012 9:09 AM To: Andrew Eross Cc: Dan Barker; drbd-user@lists.linbit.com Subject: Re: [DRBD-user] IO

Re: [DRBD-user] Does oversize disk hurt anything?

-Original Message- From: Florian Haas [mailto:flor...@hastexo.com] Sent: Sunday, October 07, 2012 5:46 PM To: Dan Barker Cc: drbd List Subject: Re: [DRBD-user] Does oversize disk hurt anything? On Sun, Oct 7, 2012 at 2:20 PM, Dan Barker dbar...@visioncomm.net wrote: Well if you had

[DRBD-user] Does oversize disk hurt anything?

. Won't that cause a lot of seek to the hub when seeking to about the middle of the platters would have done the trick, had the metadata been at the same offset as the primary? Dan version: 8.4.0 (api:1/proto:86-100) GIT-hash: 28753f559ab51b549d16bcf487fe625d5919c49c build by root@DrbdR0, 2012-05

Re: [DRBD-user] IO Error Logging

dmesg | grep sr1 should show you all you need to know. Dan (there's that word should againg) From: drbd-user-boun...@lists.linbit.com [mailto:drbd-user-boun...@lists.linbit.com] On Behalf Of Andrew Eross Sent: Friday, October 05, 2012 2:17 PM To: drbd-user@lists.linbit.com Subject: [DRBD

Re: [DRBD-user] Status Mismatch

. Dan From: drbd-user-boun...@lists.linbit.com [mailto:drbd-user-boun...@lists.linbit.com] On Behalf Of J.R. Lillard Sent: Wednesday, September 19, 2012 9:46 AM To: drbd-user@lists.linbit.com Subject: [DRBD-user] Status Mismatch What would cause two nodes to show different statuses? Primary

Re: [DRBD-user] What to do about read errors on the primary?

Dan -Original Message- From: drbd-user-boun...@lists.linbit.com [mailto:drbd-user-boun...@lists.linbit.com] On Behalf Of Alan Robertson Sent: Tuesday, September 18, 2012 12:06 PM To: drbd-user@lists.linbit.com Subject: Re: [DRBD-user] What to do about read errors on the primary

Re: [DRBD-user] What to do about read errors on the primary?

error, but it doesn't mean the CPU didn't overheat and shutdown one of the nodes (happened to me a couple weeks back. $2 fan). hth Dan -Original Message- From: Alan Robertson [mailto:al...@unix.sh] Sent: Tuesday, September 18, 2012 1:24 PM To: Dan Barker Subject: Re: [DRBD-user] What to do

Re: [DRBD-user] slow write performance

/syncing_drbd related to opt/drbd-test.loop or /dev/drdb1? Dan (the top poster) -Original Message- From: drbd-user-boun...@lists.linbit.com [mailto:drbd-user-boun...@lists.linbit.com] On Behalf Of rahulcs Sent: Tuesday, September 11, 2012 4:43 PM To: drbd-user@lists.linbit.com Subject: [DRBD

Re: [DRBD-user] DRBD volumes have different files, but DRBD reports them being in sync

of the LVs while DRBD was down. Has anyone run into this kind of issue? In summary, you can't say DRBD reports them being in sync when DRBD is down, and you can't access the secondary volumes with DRBD is up - Something is missing from your question. Dan === For example

Re: [DRBD-user] using truck based replication, but trying to save some gas

for that. anyone know of any torrent technology for remote [secure] replications that I might be able to use? I'm evaluating the tahoe-lafs currently for that, but I'd like something different. Sorry, no clue. HTH, Dan ___ drbd-user mailing list

Re: [DRBD-user] ds:Uptodate not uptodate

is the fastest/best way to resync nearly identical resources. If you have truly synced the devices and not written to them outside drbd control, the only way they can diverge is hardware failure - rarely undetected. Good luck. Let us know how it goes! Dan From: drbd-user-boun...@lists.linbit.com

Re: [DRBD-user] Switching from internal to external meta-disk

And further, the FIRST step in any maintenance should be is cat /proc/drbd. You would have seen which node had the current data. Dan -Original Message- From: drbd-user-boun...@lists.linbit.com [mailto:drbd-user-boun...@lists.linbit.com] On Behalf Of Felix Frank Sent: Wednesday, July 11

Re: [DRBD-user] Parse error an option keyword expected but got fence peer

is the recommended level. Dan -Original Message- From: drbd-user-boun...@lists.linbit.com [mailto:drbd-user-boun...@lists.linbit.com] On Behalf Of Keith Christian Sent: Friday, June 22, 2012 7:47 PM To: drbd-user@lists.linbit.com Subject: [DRBD-user] Parse error an option keyword expected but got

Re: [DRBD-user] Shrink an LVM partition and create a new one for the /drbd mount ?

Sounds like your root file system is in LogVol01. Makes working on it nearly impossible. A good live-CD with LV tools is rescatux (www.supergrubdisk.org/rescatux). Good luck! I just used it to reorganize some root LVs on RHEL 5. Dan -Original Message- From: drbd-user-boun

Re: [DRBD-user] Corosync Configuration

then said The cool thing (to me) is that I learn something more everyday on this ML... Dan ___ drbd-user mailing list drbd-user@lists.linbit.com http://lists.linbit.com/mailman/listinfo/drbd-user

[DRBD-user] [patch -resend] drbd: fix resync_dump_detail() output

The tests here aren't correct. It should be doing a shift before doing the bitwise AND. (bme-flags BME_NO_WRITES) is always false and (bme-flags BME_LOCKED) checks for BME_NO_WRITES instead of checking for locked. Signed-off-by: Dan Carpenter dan.carpen...@oracle.com --- I sent

Re: [DRBD-user] Syncer's after dependency for online verifying

/sbin/drbdadm verify r1 11 2 * * 3 /sbin/drbdadm verify r2 11 2 * * 4 /sbin/drbdadm verfiy r3 Dan -Original Message- From: drbd-user-boun...@lists.linbit.com [mailto:drbd-user-boun...@lists.linbit.com] On Behalf Of Lars Ellenberg Sent: Friday, June 01, 2012 11:50 AM

Re: [DRBD-user] startup hang after yes

the startup scripts to continue, with the error message waitpid: Interrupted system call, but simply replying yes is supposed to do so, with no error. I don't recall seeing this problem before, and I've been through about 4 drbd release levels. Dan (the top poster) -Original Message- From: drbd

Re: [DRBD-user] Problem between two nodes but only on 1 ressource

are not). Dan -Original Message- From: drbd-user-boun...@lists.linbit.com [mailto:drbd-user-boun...@lists.linbit.com] On Behalf Of fmorcamp Sent: Tuesday, May 29, 2012 9:01 AM To: drbd-user@lists.linbit.com Subject: Re: [DRBD-user] Problem between two nodes but only on 1 ressource Hi Florian

[DRBD-user] startup hang after yes

). I chose 8.4.0 to match the peer in the environment. I thought about 8.4.1 or 8.3.13, but I'll just update everybody to 9 soon. Dan ___ drbd-user mailing list drbd-user@lists.linbit.com http://lists.linbit.com/mailman/listinfo/drbd-user

Re: [DRBD-user] I need Reset DRBD Service

established. Dan From: drbd-user-boun...@lists.linbit.com [mailto:drbd-user-boun...@lists.linbit.com] On Behalf Of Cristian Caceres Sent: Thursday, May 17, 2012 5:15 PM To: drbd-user@lists.linbit.com Subject: [DRBD-user] I need Reset DRBD Service Hi all, I have little experience in drbd

Re: [DRBD-user] drbd wrong lower device doubt

; meta-disk internal; } } Which is (I believe) what you wanted. Dan From: drbd-user-boun...@lists.linbit.com [mailto:drbd-user-boun...@lists.linbit.com] On Behalf Of ?? Sent: Friday, May 18, 2012 3:20 AM To: drbd-user Subject: [DRBD-user] drbd wrong lower

Re: [DRBD-user] Primary/Unknown UpToDate/Outdated

ON the Primary, do a drbdadm connect resource or drbdadm connect all. Dan From: drbd-user-boun...@lists.linbit.com [mailto:drbd-user-boun...@lists.linbit.com] On Behalf Of Norman Sent: Monday, April 30, 2012 1:45 PM To: drbd-user@lists.linbit.com Subject: [DRBD-user] Primary/Unknown

Re: [DRBD-user] multipathd ignores my drbd0

make Oracle VM see those. I know I can build a PV/VG/LV from a drbd resource. Running an iSCSI target and initiator on localhost on this machine is getting a bit too weird, even for Oracleg. Thanks for the tips! Dan -Original Message- From: Kaloyan Kovachev [mailto:kkovac...@varna.net

Re: [DRBD-user] Unable to perform initial sync

is considered current and the commands you are issuing and on which host. Dan -Original Message- From: drbd-user-boun...@lists.linbit.com [mailto:drbd-user-boun...@lists.linbit.com] On Behalf Of Vyacheslav Karpukhin Sent: Tuesday, April 10, 2012 12:23 PM To: drbd-user@lists.linbit.com

Re: [DRBD-user] multipathd ignores my drbd0

it. Thanks for the help, none the less. Dan -Original Message- From: Kaloyan Kovachev [mailto:kkovac...@varna.net] Sent: Tuesday, April 10, 2012 9:53 AM To: Dan Barker Cc: drbd List Subject: Re: [DRBD-user] multipathd ignores my drbd0 I think you can't use DRBD device directly

Re: [DRBD-user] multipathd ignores my drbd0

, but multipath -ll -v3 has zero occurrences of drbd in it. Dan -Original Message- From: Kushnir, Michael (NIH/NLM/LHC) [C] [mailto:michael.kush...@nih.gov] Sent: Tuesday, April 10, 2012 1:23 PM To: Dan Barker; 'drbd List' Subject: RE: [DRBD-user] multipathd ignores my drbd0 Did you check multipath

Re: [DRBD-user] Unable to perform initial sync

resources. (See new-current-uuid in http://www.drbd.org/users-guide-8.3/re-drbdsetup.html; syntax may be different on 8.3 versions). Dan -Original Message- From: drbd-user-boun...@lists.linbit.com [mailto:drbd-user-boun...@lists.linbit.com] On Behalf Of Vyacheslav Karpukhin Sent: Tuesday, April 10

Re: [DRBD-user] multipathd ignores my drbd0

[mailto:pascal.bert...@free.fr] Sent: Tuesday, April 10, 2012 3:30 PM To: 'Dan Barker'; 'drbd List' Subject: RE: [DRBD-user] multipathd ignores my drbd0 Dan, Isn't it the backing device you should refer ? To me, if you want multipath to work correctly, the device has to return an ID. Having said that, if I

[DRBD-user] multipathd ignores my drbd0

How do I get multipathd to notice my drbd block devices? RHEL5 (Oracle VM 3.0.3.127, actually), 2.6.32.21-45xen. Drbd 8.4.1: multipath-tools says v0.4.9. I can't seem to find the multipath version. resource r0 { on OVMPam { volume 0 { device /dev/drbd0 minor 0;

[DRBD-user] How to create WFConnection resource with one DRBD host?

I need to test that DRBD will peacefully cohabit with Oracle VM. I want to build a single-node DRBD array and need my resource in WFConnection Primary/unknown Uptodate/DUnknown. Otherwise I need two drbds (I can do that, but it's not germane to this test). I did a create-md (successful) and a

Re: [DRBD-user] drbd storage for Oracle VM

Eduardo, thank you for your input, but Virtual Box (workstation product) is a completely different animal than Oracle VM (bare-metal hypervisor). I don't get to choose the underlying storage, and OVM3 choses OCFS2. I guess I'll simply have to try it out and see if DRBD will compile/run/etc.

Re: [DRBD-user] drbd storage for Oracle VM

. Dan From: Eduardo Diaz - Gmail [mailto:ediaz...@gmail.com] Sent: Tuesday, April 03, 2012 5:44 AM To: Dan Barker Cc: drbd List Subject: Re: [DRBD-user] drbd storage for Oracle VM I am using Active/Active drbd with virtualbox ocfs2, if you have any questions feel free to ask. My

Re: [DRBD-user] drbd storage for Oracle VM

Eduardo, thank you for your input, but Virtual Box (workstation product) is a completely different animal than Oracle VM (bare-metal hypervisor). I don't get to choose the underlying storage, and OVM3 choses OCFS2. I guess I'll simply have to try it out and see if DRBD will

[DRBD-user] drbd storage for Oracle VM

Repositories are OCFS2, in case you are not familiar). I have not even checked that it will compile, but if someone has done it before that would be good to know. Specific hardware is a dual-XEON 5690 box with an RAID 1+0 array Areca 1222 (multi-terabyte), 4 Gig NICs and 96G Ram in a 2U enclosure. Dan

Re: [DRBD-user] corrupted data disk

Prevent? Good applications. Recover? Good backups. -Original Message- From: drbd-user-boun...@lists.linbit.com [mailto:drbd-user-boun...@lists.linbit.com] On Behalf Of Umarzuki Mochlis Sent: Friday, March 16, 2012 2:32 AM To: drbd-user Subject: [DRBD-user] corrupted data disk will a

Re: [DRBD-user] centos 5 drbd 8 uptodate is false

have VMa, VMb and VMc on Disk1, and VMd, VMe and VMf on Disk2, you could. Build a drbd array on New space. Migrate VMa, VMb and VMc to it. Build a drbd array on the space of Disk1. Migrate VMd, VMe and VMf to it. Recover the space of Disk2. hth Dan Barker -Original Message- From: drbd

Re: [DRBD-user] drbd read-only mode

ro: doesn't mean Read Only in that context. I don't recall offhand what it does mean, but my disks are all read-write and show ro: there. Someone else will chime in with the real meaning, I'm sure. Dan From: drbd-user-boun...@lists.linbit.com [mailto:drbd-user-boun...@lists.linbit.com

Re: [DRBD-user] Kernel hung on DRBD / MD RAID

On 02/21/2012 12:03 AM, Andreas Bauer wrote: So when vm-master is Primary, vm-slave is Secondary, and I force-detach the backing device on vm-master, DRBD will automatically make vm-slave the Primary and direct writes to that host? no. The secondary remains secondary. However, the

Re: [DRBD-user] Backing up VMware VM's running DRBD with VMware Data Recovery (VDR)

Mark said: Snapshot creation requires that VMware tools are installed. This is not correct (at least on ESXi4 and 5). quiesce VM requires VMware tools, VDR may require VMware tools, but snapshots do not. This doesn't affect the OP's problem, but the incorrect statement needed illumination. Dan

Re: [DRBD-user] DRBD+Pacemaker: Won't promote with only one node

for no-quorum-policy, in two-node clusters, losing one node means you don't have quorum, and unless you something else as a quorum device, then the policy is set to stop. HTH, Dan I'm pretty sure that this is due to a mistake Ive made in made in my DRBD configuration when I fiddled with it during the 8.4.x

[DRBD-user] Is VMFS5 cluster aware?

Is the new filesystem for VMWare's vSphere 5 cluster aware? I continue to see references to GFS2 and OCFS2 but never a mention of VMFS5. I'm just curious for now, because I'm running single primary. If I could save the network latency for reads from one host that would be sweet! Dan

Re: [DRBD-user] Enabling a stacked resource - HELP!

And on 8.4.0 up, you can use the same IP and port. See volumes: http://www.drbd.org/users-guide/ap-recent-changes.html Dan -Original Message- From: drbd-user-boun...@lists.linbit.com [mailto:drbd-user-boun...@lists.linbit.com] On Behalf Of SlingPirate Sent: Thursday, September 15, 2011

Re: [DRBD-user] DRDB + OCF Active Active

to the Cluster. It reduces MTTR. Hope it sheds some light onto the picture. Regards, Dan Thanks in Advnace, Nick ___ drbd-user mailing list drbd-user@lists.linbit.com http://lists.linbit.com/mailman/listinfo/drbd-user -- Dan Frincu CCNA, RHCE

Re: [DRBD-user] Latency problems with DRBD 0.8.4 and a 3ware RAID5

I sure hope that 0.8.4 is a typo. We are up to version 8.4.0. If you are really running drbd from years ago, I'd suggest an upgrade. Sorry, but I don't have any input on your throughput issue. Dan -Original Message- From: drbd-user-boun...@lists.linbit.com [mailto:drbd-user-boun

Re: [DRBD-user] data integrity in drbd

to that device; Connected or not, Primary or Secondary. hth Dan Barker -Original Message- From: drbd-user-boun...@lists.linbit.com [mailto:drbd-user-boun...@lists.linbit.com] On Behalf Of Arnold Krille Sent: Friday, August 26, 2011 2:08 PM To: drbd-user@lists.linbit.com Subject: Re

Re: [DRBD-user] DRBD won't take 1G syncer rate

, if you have 3 resources syncing, each will try for the syncer limit. So, to use 50% of your capacity to sync 3 resources, you'd specify the rate as 21M. Note: you can change the rate on the fly, during a sync. Dan From: drbd-user-boun...@lists.linbit.com [mailto:drbd-user-boun

Re: [DRBD-user] DRBD won't take 1G syncer rate

We've been off-list for a few messages, but this is now interesting enough to be public. I apologize for the top-posting. Please read backwards. Dan Well, to be certain, I'd dd the disks to zeros individually, and then start with them sync'd. drbdadm down all dd if=/dev/zero

Re: [DRBD-user] DRBD won't take 1G syncer rate

Luck! Dan From: Matt Baer [mailto:mb...@lrnet1.com] Sent: Friday, August 05, 2011 12:10 PM To: Dan Barker Subject: Re: [DRBD-user] DRBD won't take 1G syncer rate Roger that. It's running, but they're 1.8TB a piece so it'll take a while. Just wanted to let you know, no need for it to go

Re: [DRBD-user] DRBD won't take 1G syncer rate

and disconnect/connect (of the secondary node) will get you synced up with zero downtime. hth Dan From: Matt Baer [mailto:mb...@lrnet1.com] Sent: Friday, August 05, 2011 12:34 PM To: Dan Barker Subject: Re: [DRBD-user] DRBD won't take 1G syncer rate Ok, looking at this, my guess

Re: [DRBD-user] DRBD on XenServer

of Up-To-Date in most situations. Accessing the slave node while secondary would most likely corrupt it (unless it's cluster aware - a different issue all together). drbd prevents that (accessing a secondary resource). hth Dan -Original Message- From: drbd-user-boun...@lists.linbit.com

Re: [DRBD-user] DRBD 8.0.13-HA 2.1.3 sync after physical move

and then mount/access the data. THAT would create a split-brain. As long as Zimbra1 is primary and Zimbra2 is secondary, connecting the nodes successfully will resync in the proper direction. hth Dan “Top Poster” From: drbd-user-boun...@lists.linbit.com [mailto:drbd-user-boun

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