Re: [ovirt-users] Backup solutions for Ovirt
It would be great as any of you provide any pointer on this issue. Regards, On Tuesday 15 July 2014 02:35 PM, saurabh wrote: Hi All, I am using Ovirt for my QA environment almost 15 virtual servers, and it is working as expected. The only thing I am worried about is the backup solutions in case of failure or system crash. I tried looking into the LVM structure that is created by Ovirt but it seems a bit complex. Please let me know the proper solution (if there is any) for backing up my environment in case of failure. Best Regards, -- Saurabh Kumar System Admin Red Hat Certified Engineer (RHCE) Red Hat Certified System Administrator (RHCSA) Red Hat Certified Virtualization Administrator (RHCVA) Red Hat Certified Server Hardening Expert (RH-413) ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
[ovirt-users] Ceph support
Hi all, Does somebody have *any* idea on when oVirt will start to support Ceph through libvirtd? I could mount an RBD volume onto a server and then expert it as NFS, but that kills my I/O throughput quite severely (write IOPS go down by 84%). Ceph is the way to go for storage needs if you ask me, but I'd rather not move away from ovirt because there's no support. -- Met vriendelijke groeten / With kind regards, Johan Kooijman ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
[ovirt-users] Can we debug some truths/myths/facts about hosted-engine and gluster?
Hi all, As most of you have got hints from previous messages, hosted engine won't work on gluster . A quote from BZ1097639 Using hosted engine with Gluster backed storage is currently something we really warn against. I think this bug should be closed or re-targeted at documentation, because there is nothing we can do here. Hosted engine assumes that all writes are atomic and (immediately) available for all hosts in the cluster. Gluster violates those assumptions. Until the documentation gets updated, I hope this serves as a useful notice at least to save people some of the headaches I hit like hosted-engine starting up multiple VMs because of above issue. Now my question, does this theory prevent a scenario of perhaps something like a gluster replicated volume being mounted as a glusterfs filesystem and then re-exported as the native kernel NFS share for the hosted-engine to consume? It could then be possible to chuck ctdb in there to provide a last resort failover solution. I have tried myself and suggested it to two people who are running a similar setup. Now using the native kernel NFS server for hosted-engine and they haven't reported as many issues. Curious, could anyone validate my theory on this? Thanks, Andrew ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
Re: [ovirt-users] Can we debug some truths/myths/facts about hosted-engine and gluster?
[Adding gluster-devel] On 07/18/2014 05:20 PM, Andrew Lau wrote: Hi all, As most of you have got hints from previous messages, hosted engine won't work on gluster . A quote from BZ1097639 Using hosted engine with Gluster backed storage is currently something we really warn against. I think this bug should be closed or re-targeted at documentation, because there is nothing we can do here. Hosted engine assumes that all writes are atomic and (immediately) available for all hosts in the cluster. Gluster violates those assumptions. I tried going through BZ1097639 but could not find much detail with respect to gluster there. A few questions around the problem: 1. Can somebody please explain in detail the scenario that causes the problem? 2. Is hosted engine performing synchronous writes to ensure that writes are durable? Also, if there is any documentation that details the hosted engine architecture that would help in enhancing our understanding of its interactions with gluster. Now my question, does this theory prevent a scenario of perhaps something like a gluster replicated volume being mounted as a glusterfs filesystem and then re-exported as the native kernel NFS share for the hosted-engine to consume? It could then be possible to chuck ctdb in there to provide a last resort failover solution. I have tried myself and suggested it to two people who are running a similar setup. Now using the native kernel NFS server for hosted-engine and they haven't reported as many issues. Curious, could anyone validate my theory on this? If we obtain more details on the use case and obtain gluster logs from the failed scenarios, we should be able to understand the problem better. That could be the first step in validating your theory or evolving further recommendations :). Thanks, Vijay ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
Re: [ovirt-users] Relationship bw storage domain uuid/images/children and VM's
- Original Message - From: Steve Dainard sdain...@miovision.com To: users users@ovirt.org Sent: Thursday, July 17, 2014 7:51:31 PM Subject: [ovirt-users] Relationship bw storage domain uuid/images/children and VM's Hello, I'd like to get an understanding of the relationship between VM's using a storage domain, and the child directories listed under .../storage domain name/storage domain uuid/images/. Running through some backup scenarios I'm noticing a significant difference between the number of provisioned VM's using a storage domain (21) + templates (6) versus the number of child directories under images/ (107). Can you please elaborate (if possible) on the number of images per VM that you're having in your setup? Running RHEV 3.4 trial. Thanks, Steve ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
Re: [ovirt-users] Can we debug some truths/myths/facts about hosted-engine and gluster?
On Fri, Jul 18, 2014 at 10:06 PM, Vijay Bellur vbel...@redhat.com wrote: [Adding gluster-devel] On 07/18/2014 05:20 PM, Andrew Lau wrote: Hi all, As most of you have got hints from previous messages, hosted engine won't work on gluster . A quote from BZ1097639 Using hosted engine with Gluster backed storage is currently something we really warn against. I think this bug should be closed or re-targeted at documentation, because there is nothing we can do here. Hosted engine assumes that all writes are atomic and (immediately) available for all hosts in the cluster. Gluster violates those assumptions. I tried going through BZ1097639 but could not find much detail with respect to gluster there. A few questions around the problem: 1. Can somebody please explain in detail the scenario that causes the problem? 2. Is hosted engine performing synchronous writes to ensure that writes are durable? Also, if there is any documentation that details the hosted engine architecture that would help in enhancing our understanding of its interactions with gluster. Now my question, does this theory prevent a scenario of perhaps something like a gluster replicated volume being mounted as a glusterfs filesystem and then re-exported as the native kernel NFS share for the hosted-engine to consume? It could then be possible to chuck ctdb in there to provide a last resort failover solution. I have tried myself and suggested it to two people who are running a similar setup. Now using the native kernel NFS server for hosted-engine and they haven't reported as many issues. Curious, could anyone validate my theory on this? If we obtain more details on the use case and obtain gluster logs from the failed scenarios, we should be able to understand the problem better. That could be the first step in validating your theory or evolving further recommendations :). I'm not sure how useful this is, but Jiri Moskovcak tracked this down in an off list message. Message Quote: == We were able to track it down to this (thanks Andrew for providing the testing setup): -b686-4363-bb7e-dba99e5789b6/ha_agent service_type=hosted-engine' Traceback (most recent call last): File /usr/lib/python2.6/site-packages/ovirt_hosted_engine_ha/broker/listener.py, line 165, in handle response = success + self._dispatch(data) File /usr/lib/python2.6/site-packages/ovirt_hosted_engine_ha/broker/listener.py, line 261, in _dispatch .get_all_stats_for_service_type(**options) File /usr/lib/python2.6/site-packages/ovirt_hosted_engine_ha/broker/storage_broker.py, line 41, in get_all_stats_for_service_type d = self.get_raw_stats_for_service_type(storage_dir, service_type) File /usr/lib/python2.6/site-packages/ovirt_hosted_engine_ha/broker/storage_broker.py, line 74, in get_raw_stats_for_service_type f = os.open(path, direct_flag | os.O_RDONLY) OSError: [Errno 116] Stale file handle: '/rhev/data-center/mnt/localho st:_mnt_hosted-engine/c898fd2a-b686-4363-bb7e-dba99e5789b6/ha_agent/hosted- engine.metadata' It's definitely connected to the storage which leads us to the gluster, I'm not very familiar with the gluster so I need to check this with our gluster gurus. == Thanks, Vijay ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
Re: [ovirt-users] Relationship bw storage domain uuid/images/children and VM's
Hi Yair, I have 26 disks listed in the UI for this particular storage domain, all of them are attached to VM's. So should I assume the other images are stale or do they perform another function other than disk images? Here's a list of the directories, some of them are using next to no storage space: 12G ./01cebaac-1c2f-4aeb-9057-4a451248a5b1 1.1M ./2a1db231-0450-4eee-9441-fe645dcbf065 11G ./08560ad8-9382-45a6-b493-a1f1ee755cad 41G ./112e7b3b-7a59-4adf-9316-ad2edf4a26b1 23G ./143edfb0-5bc0-4540-8f90-118bc67d19a6 27G ./1639745e-a694-4c04-a08c-c253da240b07 1.1M ./1f3c4f75-8d46-469c-8bb7-0f88f049989f 4.0K ./23ceb32a-c60b-4093-ba2d-e174251ff777 2.0G ./250d3ea6-885c-421e-81a1-1235ec166f9e 1.9G ./3719764e-1de6-4969-beb1-042dbd57207b 4.0K ./3d02d08d-bf74-4700-930a-0b403ebb0baa 26G ./3d24c288-a58e-405f-8b48-b6f6548d3f78 1.6G ./3e3e78ac-2bbd-4a0e-95cb-dbcd56689b5f 4.0K ./4b866fda-983f-490c-ae4d-e3b0f289a660 4.0K ./4df4be7a-4822-48f7-adf1-81e94a51d3a3 26G ./54840f6f-721c-4762-8622-2f3091c1ff32 4.0K ./58c9c4d1-b33d-4bcc-a970-22d6c9c45e02 1.1M ./5915377a-051d-40af-aeb9-2415edfd61e2 4.0K ./6c26fad9-0f93-4c33-89f5-59b3facac2c2 151G ./6cc879e9-de08-4736-9c1b-7c6509cb7076 2.3G ./746f4935-0b42-4d3c-a2f0-053545c9ced3 11G ./7b7765e3-9165-409c-83e3-c83b34fa26d4 1.1M ./7e8b55bb-43c2-4029-8d57-ca6b30c25377 12G ./816229e4-ed97-456c-b5a1-c8f48c465666 4.0K ./8afd84b4-e4d2-465b-9185-e62daef7a20d 11G ./8e1070f2-46f5-4910-a2d2-a9b188400079 11G ./a337e372-fab1-492a-80fd-809dbdc0d58f 1.1M ./a5df03ed-6136-4420-ae9a-a38aff1ed773 41G ./a99a69ad-4b96-480a-a44f-f2b68920b18e 11G ./aa588a8e-d7d4-42af-ae72-589ddb90d950 41G ./aeadcdc3-0f19-4e5d-b801-c863786b9cba 1.1M ./ba2e9642-0464-42be-8151-1b4886361354 161G ./c23b91d1-16b0-4341-ac66-b2c096f51912 4.0K ./d74dcf2a-6a4f-4b8b-9ec9-3ddf7ec76ab2 41G ./e206ed1a-aba9-4979-9269-4cc4b0dcaeef 11G ./e663ce3f-294c-4fa7-abd1-2789bb8a49e3 27G ./ee6a657a-f866-438c-9c7f-807f8dfad015 26G ./eeae5c97-22b9-4f4d-9443-1d9bdee89e08 827M ./efc18ddc-8efe-460e-bd5b-efeed870f03e 11G ./f0a0e060-08bd-4aeb-a098-a4b4bb906dae 4.0K ./f1882adf-2ee5-46db-a0af-79bf315ea01c 41G ./f2608aa0-f546-41df-ada5-a187f8504d8c 22G ./f9219e9f-9ba7-4fd8-bda6-76c0e1b22409 11G ./fa922294-bc3a-4168-911a-81ab928ad2e4 4.0K ./ffe5d180-1422-4d54-aa14-f2a18abc12d9 71G ./6e65b112-92f9-4093-aa3d-b904a6e0aba6 1.8G ./54e01fa1-ec68-4a7c-a436-4337d03f4eca 1.3G ./2259197a-4b41-4119-b764-3391907b8aa7 1.3G ./2680c930-1da9-4dfa-b1f2-a274ecc76634 1.1M ./fecd55ac-1c22-40d9-a65c-54afd6c0a47b 1.1M ./94c2c3b1-4e9c-4acd-9c1c-2aeee0a410fc 1.3G ./665cc540-d265-41e7-ba74-70ba4173b45f 1.1M ./1dfa8b6a-9f01-4dfa-81ec-65943226120d 1.3G ./b1de4bd9-efd5-4cfe-bb79-f3355b0bf331 3.2G ./6edab781-7f9b-4c4d-beb2-1bf197f325d1 1.3G ./3a31fa00-93ea-4f97-ace7-d3ab66f2bf7b 1.1M ./c7bf555e-3a22-4ac0-9376-35109c87a340 1.1M ./62369fed-ac6a-43dc-bf7b-51fe2e372ada 2.2G ./103a534c-81fe-4ea7-8f63-aad884585b27 1.1M ./a3f45630-5e92-459f-abbe-69eb854c54c4 1.9G ./29bc03d0-cb10-4b11-9ead-a7a45aabcd0b 1.1M ./d8499c89-9285-423e-bbce-13f6d4d49e95 2.1G ./622cc7c7-9f56-4c27-a80b-8d2acf7c9028 1.1M ./422542d8-a76b-4d53-9c12-88a4f6a7c395 615M ./c4f8db4e-75d3-4996-a6a5-25058945f9cb 1.1M ./cf6827b1-96bc-4804-9095-7f91f378aaf3 913M ./33644031-95a2-4796-8f19-897358378bd7 1.1M ./2574b42f-491d-4ab8-9bfb-90d12a72a9dd 802M ./1f08a684-c889-48ec-a27e-2b538be662dd 1.4G ./c05bf95d-2d82-49b9-9f63-79175bf48143 1.1M ./13badb26-e767-46fe-87aa-91659219f9fc 313M ./2433efb2-642e-4a8e-9b35-a7266bbad021 1.1M ./ee51a0fb-ab44-45fb-b9d9-ce3a70c541fa 1.4G ./205128fe-d632-4800-a65e-10345615e6a3 1.1M ./54318bb5-150d-4f01-9f66-ac347405082d 2.3G ./1db75bb9-9fb5-4d7a-b0a5-2062444c6add 1.1M ./7b302f06-7171-4b56-adc1-2eef88297a4a 2.3G ./2907aeb3-c911-40b9-9644-52960fc442c8 1.1M ./50eef668-1a08-4575-8bd6-c0dabde1bc1d 2.4G ./8b42c3e4-dad9-4d0f-a34d-cf8b4e1541c3 1.1M ./50c7c31c-84ca-4c59-a612-5cec080bf711 1.1M ./637dd0e3-003a-40f6-a067-da7e06106caa 848M ./7905b528-268e-4651-995f-d120cdc69be9 1.1M ./3f72993d-faca-4a7f-bb56-f73ebec0322a 973M ./44347211-a8b9-4b8c-92e9-001658c4467b 1.1M ./b2583917-e2de-42ab-8981-f91b9bb38583 832M ./941d2b20-1599-477f-a5c0-5d0dedc1671b 28G ./e69cbc6a-eb2d-4c9e-acc0-e41e07495913 314M ./d0784982-c2b2-428e-b9ac-15de505ae5e6 1.1M ./2a3232ad-1591-4965-b706-0558bd3f9039 316M ./c7400bdf-ab09-48f3-82e6-961426441033 1.1M ./53836e2a-b2d3-4481-87d0-66d67b4c5bac 316M ./929a04f9-b13f-496d-ae1c-4ebe4b211276 1.1M ./0d87888e-1a37-4c2c-a7bd-12da512b440c 318M ./16fec781-b0d9-40a1-b7b3-ccb87d7d3e6e 1.1M ./d3151afc-a504-460e-babe-943e20866991 318M ./2b728cc2-98a3-4446-94da-bc8e103f8b4a 1.1M ./172429ea-7baf-4396-ad10-e1f001bc4692 318M ./ed02c25f-705f-4bd5-8819-2033d3837c7b 1.1M ./e864299e-712a-430d-bd73-4a2d9db1ad04 318M ./e576ab0d-f854-4283-86a2-c573bf840c46 1.1M ./2e18fbb5-ee09-4a23-9372-77ebd5df4ea4 318M ./55ee8290-a44a-4f86-a8de-bfd2b226604b 1.1M ./7a9591d3-ab97-4a14-ab62-6000acb45159 322M ./3ce91c48-8572-45a0-bc6c-93a19ef3aeb7 931G . And the api returns 29 disks (3 are from another SD): disk
Re: [ovirt-users] Ceph support
On 07/18/2014 12:36 PM, Johan Kooijman wrote: Hi all, Does somebody have *any* idea on when oVirt will start to support Ceph through libvirtd? I could mount an RBD volume onto a server and then expert it as NFS, but that kills my I/O throughput quite severely (write IOPS go down by 84%). Ceph is the way to go for storage needs if you ask me, but I'd rather not move away from ovirt because there's no support. I expect we'll see Ceph in 3.6. TBD if direct or via Cinder integration. ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
[ovirt-users] Server Engine and Host Server at the same Hardware
Hi, I'm testing the oVirt and reanding the documentation I discovered that oVirt needs two separeted servers: the Engine and at least one host server. So, I have two main questions: - No 1: I have just one good hardware enough to run this solution. So, before I go out running for an another new hardware, I would like to know if is that possible run the oVirt Engine and the oVirt Host Server in the same hardware (install the engine, and when add a host, point to the same Engine address). Is it possible? - No 2: I read about the self-hosted engine, but it was not clear how do I start it (assuming that I have one hardware, wich one I install first?). And if it is possible in that way, I would like to know about you if you have a normal performance doing this way. Thank you! Atenciosamente, * William Gutierres william@gmail.com william@gmail.com * Antes de imprimir este e-mail, pense em sua responsabilidade e compromisso com o meio ambiente. -- Esta mensagem, incluindo quaisquer anexos, é confidencial e pode conter informações privilegiadas. Se você a recebeu por engano, favor notificar o autor retornando o email e deletando-o do seu sistema. Qualquer uso não autorizado ou disseminação desta mensagem, inteira ou parcial, é estritamente proibido. As ideias contidas nesta mensagem ou em seus anexos não necessariamente refletem a opinião de William Gutierres. -- ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
Re: [ovirt-users] Server Engine and Host Server at the same Hardware
That is the way that I run my setup and it works fine. There is a little over head with the engine though. If you have enough RAM and cpu power to spare it shouldnt be a problem - Original Message - From: William Juliano Gutierres william@gmail.com To: users@ovirt.org Sent: Friday, July 18, 2014 12:49:08 PM Subject: [ovirt-users] Server Engine and Host Server at the same Hardware Hi, I'm testing the oVirt and reanding the documentation I discovered that oVirt needs two separeted servers: the Engine and at least one host server. So, I have two main questions: * No 1: I have just one good hardware enough to run this solution. So, before I go out running for an another new hardware, I would like to know if is that possible run the oVirt Engine and the oVirt Host Server in the same hardware (install the engine, and when add a host, point to the same Engine address). Is it possible? * No 2: I read about the self-hosted engine, but it was not clear how do I start it (assuming that I have one hardware, wich one I install first?). And if it is possible in that way, I would like to know about you if you have a normal performance doing this way. Thank you! Atenciosamente, William Gutierres william@gmail.com Antes de imprimir este e-mail, pense em sua responsabilidade e compromisso com o meio ambiente. -- Esta mensagem, incluindo quaisquer anexos, é confidencial e pode conter informações privilegiadas. Se você a recebeu por engano, favor notificar o autor retornando o email e deletando-o do seu sistema. Qualquer uso não autorizado ou disseminação desta mensagem, inteira ou parcial, é estritamente proibido. As ideias contidas nesta mensagem ou em seus anexos não necessariamente refletem a opinião de William Gutierres. -- ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
Re: [ovirt-users] Server Engine and Host Server at the same Hardware
That is the way that I run my setup and it works fine. There is a little over head with the engine though. If you have enough RAM and cpu power to spare it shouldnt be a problem From: William Juliano Gutierres william@gmail.com To: users@ovirt.org Sent: Friday, July 18, 2014 12:49:08 PM Subject: [ovirt-users] Server Engine and Host Server at the same Hardware Hi, I'm testing the oVirt and reanding the documentation I discovered that oVirt needs two separeted servers: the Engine and at least one host server. So, I have two main questions: * No 1: I have just one good hardware enough to run this solution. So, before I go out running for an another new hardware, I would like to know if is that possible run the oVirt Engine and the oVirt Host Server in the same hardware (install the engine, and when add a host, point to the same Engine address). Is it possible? * No 2: I read about the self-hosted engine, but it was not clear how do I start it (assuming that I have one hardware, wich one I install first?). And if it is possible in that way, I would like to know about you if you have a normal performance doing this way. Thank you! Atenciosamente, William Gutierres william@gmail.com Antes de imprimir este e-mail, pense em sua responsabilidade e compromisso com o meio ambiente. -- Esta mensagem, incluindo quaisquer anexos, é confidencial e pode conter informações privilegiadas. Se você a recebeu por engano, favor notificar o autor retornando o email e deletando-o do seu sistema. Qualquer uso não autorizado ou disseminação desta mensagem, inteira ou parcial, é estritamente proibido. As ideias contidas nesta mensagem ou em seus anexos não necessariamente refletem a opinião de William Gutierres. -- ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
Re: [ovirt-users] Online backup options
Anyone? On Fri, Jun 20, 2014 at 9:35 AM, Steve Dainard sdain...@miovision.com wrote: Hello Ovirt team, Reading this bulletin: https://access.redhat.com/site/solutions/117763 there is a reference to 'private Red Hat Bug # 523354' covering online backups of VM's. Can someone comment on this feature, and rough timeline? Is this a native backup solution that will be included with Ovirt/RHEV? Is this Ovirt feature where the work is being done? http://www.ovirt.org/Features/Backup-Restore_API_Integration It seems like this may be a different feature specifically for 3rd party backup options. Thanks, Steve ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
[ovirt-users] oVirt + opennode or oVirt+proxmox
Has anyone using proxmox or opennode with oVirt? Is that possible? !- Robson Massaki Kobayashi !- ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
Re: [ovirt-users] oVirt + opennode or oVirt+proxmox
With? why/how? On Fri, Jul 18, 2014 at 7:12 PM, Robson Kobayashi - TRE/MS robson.kobaya...@tre-ms.jus.br wrote: Has anyone using proxmox or opennode with oVirt? Is that possible? !- Robson Massaki Kobayashi !- ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
Re: [ovirt-users] [Gluster-devel] Can we debug some truths/myths/facts about hosted-engine and gluster?
On Sat, Jul 19, 2014 at 12:03 AM, Pranith Kumar Karampuri pkara...@redhat.com wrote: On 07/18/2014 05:43 PM, Andrew Lau wrote: On Fri, Jul 18, 2014 at 10:06 PM, Vijay Bellur vbel...@redhat.com wrote: [Adding gluster-devel] On 07/18/2014 05:20 PM, Andrew Lau wrote: Hi all, As most of you have got hints from previous messages, hosted engine won't work on gluster . A quote from BZ1097639 Using hosted engine with Gluster backed storage is currently something we really warn against. I think this bug should be closed or re-targeted at documentation, because there is nothing we can do here. Hosted engine assumes that all writes are atomic and (immediately) available for all hosts in the cluster. Gluster violates those assumptions. I tried going through BZ1097639 but could not find much detail with respect to gluster there. A few questions around the problem: 1. Can somebody please explain in detail the scenario that causes the problem? 2. Is hosted engine performing synchronous writes to ensure that writes are durable? Also, if there is any documentation that details the hosted engine architecture that would help in enhancing our understanding of its interactions with gluster. Now my question, does this theory prevent a scenario of perhaps something like a gluster replicated volume being mounted as a glusterfs filesystem and then re-exported as the native kernel NFS share for the hosted-engine to consume? It could then be possible to chuck ctdb in there to provide a last resort failover solution. I have tried myself and suggested it to two people who are running a similar setup. Now using the native kernel NFS server for hosted-engine and they haven't reported as many issues. Curious, could anyone validate my theory on this? If we obtain more details on the use case and obtain gluster logs from the failed scenarios, we should be able to understand the problem better. That could be the first step in validating your theory or evolving further recommendations :). I'm not sure how useful this is, but Jiri Moskovcak tracked this down in an off list message. Message Quote: == We were able to track it down to this (thanks Andrew for providing the testing setup): -b686-4363-bb7e-dba99e5789b6/ha_agent service_type=hosted-engine' Traceback (most recent call last): File /usr/lib/python2.6/site-packages/ovirt_hosted_engine_ha/broker/listener.py, line 165, in handle response = success + self._dispatch(data) File /usr/lib/python2.6/site-packages/ovirt_hosted_engine_ha/broker/listener.py, line 261, in _dispatch .get_all_stats_for_service_type(**options) File /usr/lib/python2.6/site-packages/ovirt_hosted_engine_ha/broker/storage_broker.py, line 41, in get_all_stats_for_service_type d = self.get_raw_stats_for_service_type(storage_dir, service_type) File /usr/lib/python2.6/site-packages/ovirt_hosted_engine_ha/broker/storage_broker.py, line 74, in get_raw_stats_for_service_type f = os.open(path, direct_flag | os.O_RDONLY) OSError: [Errno 116] Stale file handle: '/rhev/data-center/mnt/localho st:_mnt_hosted-engine/c898fd2a-b686-4363-bb7e-dba99e5789b6/ha_agent/hosted -engine.metadata' Andrew/Jiri, Would it be possible to post gluster logs of both the mount and bricks on the bz? I can take a look at it once. If I gather nothing then probably I will ask for your help in re-creating the issue. Pranith Unfortunately, I don't have the logs for that setup any more.. I'll try replicate when I get a chance. If I understand the comment from the BZ, I don't think it's a gluster bug per-say, more just how gluster does its replication. It's definitely connected to the storage which leads us to the gluster, I'm not very familiar with the gluster so I need to check this with our gluster gurus. == Thanks, Vijay ___ Gluster-devel mailing listGluster-devel@gluster.orghttp://supercolony.gluster.org/mailman/listinfo/gluster-devel ___ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
