Date: Fri, 1 Jul 2016 16:41:59 +0200 From: InterNetX - Juergen Gotteswinter <jg@internetx.com> To: Julien Cigar <julien@perdition.city> Cc: Joe Love <joe@getsomewhere.net>, freebsd-fs@freebsd.org Subject: Re: HAST + ZFS + NFS + CARP Message-ID: <01b8a61e-739e-c41e-45bc-a84af0a9d8ab@internetx.com> In-Reply-To: <20160701143917.GB41276@mordor.lan> References: <20160630163541.GC5695@mordor.lan> <50BF1AEF-3ECC-4C30-B8E1-678E02735BB5@gmail.com> <20160701084717.GE5695@mordor.lan> <47c7e1a5-6ae8-689c-9c2d-bb92f659ea43@internetx.com> <20160701101524.GF5695@mordor.lan> <f74627e3-604e-da71-c024-7e4e71ff36cb@internetx.com> <20160701105735.GG5695@mordor.lan> <3d8c7c89-b24e-9810-f3c2-11ec1e15c948@internetx.com> <93E50E6B-8248-43B5-BE94-D94D53050E06@getsomewhere.net> <bbaf14e2-4ec6-545c-ba67-a1084100b05c@internetx.com> <20160701143917.GB41276@mordor.lan>
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Am 01.07.2016 um 16:39 schrieb Julien Cigar: > On Fri, Jul 01, 2016 at 03:44:36PM +0200, InterNetX - Juergen Gotteswinter wrote: >> >> >> Am 01.07.2016 um 15:18 schrieb Joe Love: >>> >>>> On Jul 1, 2016, at 6:09 AM, InterNetX - Juergen Gotteswinter <jg@internetx.com> wrote: >>>> >>>> Am 01.07.2016 um 12:57 schrieb Julien Cigar: >>>>> On Fri, Jul 01, 2016 at 12:18:39PM +0200, InterNetX - Juergen Gotteswinter wrote: >>>>> >>>>> of course I'll test everything properly :) I don't have the hardware yet >>>>> so ATM I'm just looking for all the possible "candidates", and I'm >>>>> aware that a redundant storage is not that easy to implement ... >>>>> >>>>> but what solutions do we have? It's either CARP + ZFS + (HAST|iSCSI), >>>>> either zfs send|ssh zfs receive as you suggest (but it's >>>>> not realtime), either a distributed FS (which I avoid like the plague..) >>>> >>>> zfs send/receive can be nearly realtime. >>>> >>>> external jbods with cross cabled sas + commercial cluster solution like >>>> rsf-1. anything else is a fragile construction which begs for desaster. >>> >>> This sounds similar to the CTL-HA code that went in last year, for which I haven’t seen any sort of how-to. The RSF-1 stuff sounds like it has more scaling options, though. Which it probably should, given its commercial operation. >> >> rsf is what pacemaker / heartbeat tries to be, judge me for linking >> whitepapers but in this case its not such evil marketing blah >> >> http://www.high-availability.com/wp-content/uploads/2013/01/RSF-1-HA-PLUGIN-ZFS-STORAGE-CLUSTER.pdf >> >> >> @ Julien >> >> seems like you take availability really serious, so i guess you also got >> plans how to accomplish network problems like dead switches, flaky >> cables and so on. >> >> like using multiple network cards in the boxes, cross cabling between >> the hosts (rs232 and ethernet of course, using proved reliable network >> switches in a stacked configuration for example cisco 3750 stacked). not >> to forget redundant power feeds to redundant power supplies. > > the only thing that is not redundant (yet?) is our switch, an HP Pro > Curve 2530-24G) .. it's the next step :) Arubas, okay, a quick view in the spec sheet does not seem to list stacking option. what about power? > >> >> if not, i whould start again from scratch. >> >>> >>> -Joe >>> >>> _______________________________________________ >>> freebsd-fs@freebsd.org mailing list >>> https://lists.freebsd.org/mailman/listinfo/freebsd-fs >>> To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org" >>> >> _______________________________________________ >> freebsd-fs@freebsd.org mailing list >> https://lists.freebsd.org/mailman/listinfo/freebsd-fs >> To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org" >
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