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Re: [Xen-users] Cheap IOMMU hardware and ECC support importance

  • To: xen-users@xxxxxxxxxxxxx
  • From: Gordan Bobic <gordan@xxxxxxxxxx>
  • Date: Sun, 06 Jul 2014 17:56:07 +0100
  • Delivery-date: Sun, 06 Jul 2014 16:56:19 +0000
  • List-id: Xen user discussion <xen-users.lists.xen.org>

On 07/06/2014 11:33 AM, lee wrote:
Gordan Bobic <gordan@xxxxxxxxxx> writes:

On 07/05/2014 02:36 AM, lee wrote:
"Fajar A. Nugraha" <list@xxxxxxxxx> writes:

Use whatever you're most comfortable with. But don't dismiss things
just because you don't have enough knowledge about it.

No, that would be stupid.  ZFS appears as an unknown, rather complicated
thing with questionable support and documentation that was written for a
different OS.  It won't be easy to try it out.  All that just doesn't
make me very keen on trying it.

Sounds to me like learning resistance.

No, it's not learning resistance.  It's resistance against creating
problems I don't need or want and against spending quite a lot of time
on it.  To seriously test it, I would have to delete either my data, or
the backup of it, and copying it back takes hours.  If I use the backup
and the test gives good results, I'd use it for my data, so I'd have to
copy it all again twice because I still wouldn't want the backup to be
on ZFS.  And it might not work because the server might not like to run
the disks as JBOD.  There are other decisions to be made first, too.

There's also a lack of documentation.  There's a guide for Linux, and
it's two years old.  I still shudder when thinking of the chaotic
documentation xen has and all the unexpected problems I ran into ...

I still dispute the lack of documentation. Just because it's 2 years old doesn't mean it isn't adequate.


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