Swap on ZFS - still a bad idea?

2009-06-03 Thread Kirk Strauser
Putting swap on ZFS is listed as broken on the wiki.  Is that still true of 
the newly MFC'ed version?
-- 
Kirk Strauser
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Re: Swap on ZFS - still a bad idea?

2009-06-03 Thread Wojciech Puchar

Putting swap on ZFS is listed as broken on the wiki.  Is that still true of
the newly MFC'ed version?


No idea. You may just make separate partition for swapping and it will 
work. Good if you have swap just for sure.


If your system needs swapping under normal operation, using ZFS is really 
bad idea as it needs lots of memory - which you are already short of.


With RAM costs of 20$/GB (DDR2) it's best to get as much memory as your 
software needs.

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Re: Swap on ZFS - still a bad idea?

2009-06-03 Thread Kirk Strauser
On Wednesday 03 June 2009 01:36:37 pm Wojciech Puchar wrote:

 No idea. You may just make separate partition for swapping and it will
 work. Good if you have swap just for sure.

Well, the problem is that I wanted to have a bare-metal ZFS system without 
any FreeBSD slices or partitions.

 If your system needs swapping under normal operation, using ZFS is really
 bad idea as it needs lots of memory - which you are already short of.

It was more of the just in case, with plenty of RAM for normal operation.
-- 
Kirk Strauser
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Re: Swap on ZFS - still a bad idea?

2009-06-03 Thread Wojciech Puchar

On Wednesday 03 June 2009 01:36:37 pm Wojciech Puchar wrote:


No idea. You may just make separate partition for swapping and it will
work. Good if you have swap just for sure.


Well, the problem is that I wanted to have a bare-metal ZFS system without
any FreeBSD slices or partitions.


slices are not needed with any fs.

partitions - you need at least boot partition.




If your system needs swapping under normal operation, using ZFS is really
bad idea as it needs lots of memory - which you are already short of.


It was more of the just in case, with plenty of RAM for normal operation.
--
so just don't set up swap at all, or do under ZFS as it's just in case 
not normal operation

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