Re: FreeBSD equivalent to DRBD

2006-06-18 Thread Björn König

[EMAIL PROTECTED] schrieb:


It look like ggated + geom will do at least part of the job. Setting up
the raid part looks fairly straight forward, the question is howto manage
the swop aspect, ie machine a primary to machine b primary. I guess it is
shutdown geom + gated and starting them on the the other machine. I don't
see any way of doing this though. Perhaps I'm missing something.

The exporting the drive via NFS and swopping under haertbeat looks ok to.
It is just the gom + ggated aspect I am not sure about.


I think ggated and gmirror won't satisfy you because I'd like to call 
ggated experimental. Furthermore it is not intended for those tasks, 
because it is kept very simple. A better scenario for the current 
implementation of ggated is to mount a remote CD filesystem locally.


If you really need DRBD then stay with DRDB and linux.

Björn
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Re: FreeBSD equivalent to DRBD

2006-06-18 Thread bsd
 [EMAIL PROTECTED] schrieb:

 It look like ggated + geom will do at least part of the job. Setting up
 the raid part looks fairly straight forward, the question is howto
 manage
 the swop aspect, ie machine a primary to machine b primary. I guess it
 is
 shutdown geom + gated and starting them on the the other machine. I
 don't
 see any way of doing this though. Perhaps I'm missing something.

 The exporting the drive via NFS and swopping under haertbeat looks ok
 to.
 It is just the gom + ggated aspect I am not sure about.

 I think ggated and gmirror won't satisfy you because I'd like to call
 ggated experimental. Furthermore it is not intended for those tasks,
 because it is kept very simple. A better scenario for the current
 implementation of ggated is to mount a remote CD filesystem locally.

 If you really need DRBD then stay with DRDB and linux.

 Björn


Thanks,

I have a setup using heartbeat and Freebsd which uses rsync to keep the
drives in step. The only problem is that rsynce is run as a cron job which
makes balancing the Cron Invervals with the run time of rsync a bit hit
and miss.

Having read up more on ggated, I may try it on some spare machines and
drives I have lying around. I take your point about it being expermential
though but as I see it it is about the only thing I need that FreeBSD is
week on. ISTR GEOM Started that way too. Perhaps it is something I can
help FreeBSD with so I can give something back.

Rob



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Re: FreeBSD equivalent to DRBD

2006-06-17 Thread Björn König

[EMAIL PROTECTED] schrieb:


ISTR something about a FreeBSD equivalent to DRBD on Linux ie creating a
raid device using disks on different machines, but I've not been able to
locate any info.

Does anybody have any info and or howtos. I am thinking of putting
together a HA NFS server cluster using something like heartbeat with DRBD.
As all my servers are Freebsd, I would like to stick with it. Any
suggestions?


Hello,

as far as I know there is no such thing. I could refer you to ggated(8) 
and gmirror(8), but I suppose this is not what you want. ;-)


Björn


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Re: FreeBSD equivalent to DRBD

2006-06-17 Thread bsd
 [EMAIL PROTECTED] schrieb:

 ISTR something about a FreeBSD equivalent to DRBD on Linux ie creating a
 raid device using disks on different machines, but I've not been able to
 locate any info.

 Does anybody have any info and or howtos. I am thinking of putting
 together a HA NFS server cluster using something like heartbeat with
 DRBD.
 As all my servers are Freebsd, I would like to stick with it. Any
 suggestions?

 Hello,

 as far as I know there is no such thing. I could refer you to ggated(8)
 and gmirror(8), but I suppose this is not what you want. ;-)

 Björn

Many thanks.

It look like ggated + geom will do at least part of the job. Setting up
the raid part looks fairly straight forward, the question is howto manage
the swop aspect, ie machine a primary to machine b primary. I guess it is
shutdown geom + gated and starting them on the the other machine. I don't
see any way of doing this though. Perhaps I'm missing something.

The exporting the drive via NFS and swopping under haertbeat looks ok to.
It is just the gom + ggated aspect I am not sure about.

Anybody?

Rob



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FreeBSD equivalent to DRBD

2006-06-16 Thread bsd
Hi all,

ISTR something about a FreeBSD equivalent to DRBD on Linux ie creating a
raid device using disks on different machines, but I've not been able to
locate any info.

Does anybody have any info and or howtos. I am thinking of putting
together a HA NFS server cluster using something like heartbeat with DRBD.
As all my servers are Freebsd, I would like to stick with it. Any
suggestions?

Rob



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