Debian raid1
- COlger81
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04 Sep 2020 15:48 #180693
by COlger81
Debian raid1 was created by COlger81
Does anyone know if there's any issues running in raid1 (mirror) with rt-preempt kernel?
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- tommylight
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04 Sep 2020 15:56 #180695
by tommylight
Replied by tommylight on topic Debian raid1
Hardware RAID = works, does not care about kernel or anything else, all the operating system sees is a single normal storage device.
Software RAID = do not know, never used it
Software RAID = do not know, never used it
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- COlger81
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04 Sep 2020 19:14 #180737
by COlger81
Replied by COlger81 on topic Debian raid1
Thank you. I'll give software raid a shot and let you know how it goes.
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- tommylight
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04 Sep 2020 20:41 #180752
by tommylight
Replied by tommylight on topic Debian raid1
Please do.Thank you. I'll give software raid a shot and let you know how it goes.
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- BeagleBrainz
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04 Sep 2020 20:56 #180755
by BeagleBrainz
Replied by BeagleBrainz on topic Debian raid1
The only issue with hardware raid is you are locked into the manufacturers/version of raid particular to the card you are using.
Current thinking is that CPUs are fast enough to handle sw raid without any performance hit. Researched raid this year whilst setting up a new server at home.
The affect on latency would be interesting, and one would wonder the benefits of raid on a PC dedicated to cnc.
Current thinking is that CPUs are fast enough to handle sw raid without any performance hit. Researched raid this year whilst setting up a new server at home.
The affect on latency would be interesting, and one would wonder the benefits of raid on a PC dedicated to cnc.
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- rodw
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05 Sep 2020 02:49 #180773
by rodw
Replied by rodw on topic Debian raid1
I don't think you would have any problem with software RAID's today. I ran then with Windows NT back in the early 90's and I think that would have been 32 bit hardware back then...
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- Mike_Eitel
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05 Sep 2020 10:16 #180797
by Mike_Eitel
Replied by Mike_Eitel on topic Debian raid1
What happens if you are using normal hd and one has an timeout. Thats why server disks for raid use much smaller timeouts. I would gues a massive latency.
And what do you see as a need/advantage of a raid in cnc? Beside the good argument: I wan't it!
Mike
And what do you see as a need/advantage of a raid in cnc? Beside the good argument: I wan't it!
Mike
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