Re: [zfs-discuss] build a zfs continuous data replication in opensolaris
You may have a look in the whitepaper from Torsten Frueauf. see here http://sun.systemnews.com/articles/137/4/OpenSolaris/22016 This should give you the functionality of a DRBD-Cluster. Andreas -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
Re: [zfs-discuss] build a zfs continuous data replication in opensolaris
Hi Richard What do you mean by A mirror would be simple do you mean to use zfs send and receive. Also is the auto-cdp plugin free with nexenstor developer. Is there a detailed explaination of AVS where they explain all the companents involved like what is bitmap for etc. If AVS is there around for some time where are books explaining this technolgy, Does anyone use it in production as seems to me it has a lot problems in terms of performance. -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
Re: [zfs-discuss] build a zfs continuous data replication in opensolaris
Hi Andreas , The paper looks good are any basic examples on AVS or open-ha that explains the componets throughly and guides. What books or resource you recommend I get more information about this as I cant find any books -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
Re: [zfs-discuss] build a zfs continuous data replication in opensolaris
If you read this http://hub.opensolaris.org/bin/download/Project+colorado/files/Whitepaper-OpenHAClusterOnOpenSolaris-external.pdf and especially starting at page 25 you will find a detailed explanation how to implement a storage cluster with shared storage based on Comstar and ISCSI. If you want to install on physical hardware just ignore the installation and configuration of VirtualBox. IMHO simpler than AVS. Regards Andreas -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
Re: [zfs-discuss] build a zfs continuous data replication in opensolaris
Hi Andreas I will explain to you what I need . You say IMHO is simpler than AVS thats good . I have setup 2 nexentacore boxes with zfs pools and nfs on the first node. Now I need to install the open-ha cluster software with non shared disks. I now need to make zfs with nfs HA. I understand the concepts of HA where one needs to have heartbeat, disks and failover configs created. Is there examples on this setup I can work with. Dont get me wrong comstar is good but not fast as nfs. -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
Re: [zfs-discuss] build a zfs continuous data replication in opensolaris
On Apr 21, 2010, at 6:32 AM, c.hanover wrote: In my earlier investigations of ZFS, I ran across a product called StorageTek Availability Suite that sounds like it might do what you want. If I recall correctly, it would allow you to define devices that are actually hosted on another server, and you could use ZFS to mirror those devices. That, unfortunately, is the extent of my knowledge on that product. Yes. In NexentaStor, this is the Auto-CDP plugin. For OpenSolaris, this was demonstrated by Jim Dunham a few years ago at: http:blogs.sun.com/AVS However, that blog seems to be gone. You can google zfs avs for more pointers, but be aware of PSARC/2010/060 EOF of Availability Suite (AVS), which is not a public case in the ARC caselogs http://arc.opensolaris.org/caselog/PSARC/2010/ Finally, products which do block-device-level replication have a tendency to be slow because you are serializing a parallel activity. Be sure to test with your configuration to ensure your performance goals are achievable. There are some architecture choices which can help somewhat, but Amdahl's Law still applies. -- richard - Cameron Hanover chano...@umich.edu Necessity is the plea for every infringement of human freedom. It is the argument of tyrants; it is the creed of slaves. --William Pitt, House of Commons, 11/18/1783 On Apr 21, 2010, at 6:16 AM, tranceash wrote: I have setup 2 servers with zfs pools I want to replicate continously to the second server is there a way I can do it with zfs are there any examples I can follow to build this setup. There are no good books on opensolaris explaining this method. Also are there a script repository for zfs stuff. I dont find a lot of resources dedicated to zfs which I think is an amazing fs system. -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss ZFS storage and performance consulting at http://www.RichardElling.com ZFS training on deduplication, NexentaStor, and NAS performance Las Vegas, April 29-30, 2010 http://nexenta-vegas.eventbrite.com ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
Re: [zfs-discuss] build a zfs continuous data replication in opensolaris
Hi Richard I was looking at nexentastor developer edition and I see they have given it a nice gui but I cant configure auto-cdp plugin can I configure it through the shell. Also if the performance is problem what other options are there for a high availability zfs system across 2 systems. In linux we have something called DRBD and it works very well unfortunately we don't have zfs native only through fuse which is not usable at all. Also can you recommend me some example configuration or books that I can refer to building this as I am from linux background and dont know much about solaris. -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
Re: [zfs-discuss] build a zfs continuous data replication in opensolaris
On Apr 21, 2010, at 8:41 PM, tranceash wrote: Hi Richard I was looking at nexentastor developer edition and I see they have given it a nice gui but I cant configure auto-cdp plugin can I configure it through the shell. The auto-cdp plugin is managed through nmc. It is simple to manage and well documented in the NexentaStor User's Guide. Also if the performance is problem what other options are there for a high availability zfs system across 2 systems. It depends on the business requirements. A mirror would be simple, but doesn't offer temporal protection. Snapshots offer temporal protection, but are not continuous. In linux we have something called DRBD and it works very well unfortunately we don't have zfs native only through fuse which is not usable at all. drbd is like AVS or Nexenta's auto-CDP. Also can you recommend me some example configuration or books that I can refer to building this as I am from linux background and dont know much about solaris. The aforementioned ZFS+AVS blog was quite good. Complain to Oracle that they deleted it. Fortunately, it looks like the recording still works http://hub.opensolaris.org/bin/view/Project+avs/AVS%2DZFS%2DDemo%2DV1 The AVS project page is http://hub.opensolaris.org/bin/view/Project+avs/ -- richard ZFS storage and performance consulting at http://www.RichardElling.com ZFS training on deduplication, NexentaStor, and NAS performance Las Vegas, April 29-30, 2010 http://nexenta-vegas.eventbrite.com ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
