Richard Elling wrote:
>> Would there be no performance benefits from having swap read/write
>> from contiguous preallocated space also?
>>
>
> Not really, if you have to swap, you have no performance. Period.
> You lose about 3 orders of magnitude of memory latency by going to
> disk. If one
Kyle McDonald wrote:
> Darren J Moffat wrote:
>
>> John Cecere wrote:
>>
>>
>>> The man page for dumpadm says this:
>>>
>>> A given ZFS volume cannot be configured for both the swap area and the dump
>>> device.
>>>
>>> And indeed when I try to use a zvol as both, I get:
>>>
>>> zvol ca
Darren J Moffat wrote:
> John Cecere wrote:
>
>> The man page for dumpadm says this:
>>
>> A given ZFS volume cannot be configured for both the swap area and the dump
>> device.
>>
>> And indeed when I try to use a zvol as both, I get:
>>
>> zvol cannot be used as a swap device and a dump devic
John Cecere wrote:
> Darren,
>
> Thanks for the explanation. Would you object if I opened a bug on the
> zfs man page to include what you've written here ?
I don't know if what I said is considered implementation detail or not.
Feel free to log the bug but I can't say either way if it would b
Darren,
Thanks for the explanation. Would you object if I opened a bug on the zfs man
page to include what you've written here ?
Thanks again,
John
Darren J Moffat wrote:
> John Cecere wrote:
>> The man page for dumpadm says this:
>>
>> A given ZFS volume cannot be configured for both the swap
John Cecere wrote:
> The man page for dumpadm says this:
>
> A given ZFS volume cannot be configured for both the swap area and the dump
> device.
>
> And indeed when I try to use a zvol as both, I get:
>
> zvol cannot be used as a swap device and a dump device
>
> My question is, why not ?
S
The man page for dumpadm says this:
A given ZFS volume cannot be configured for both the swap area and the dump
device.
And indeed when I try to use a zvol as both, I get:
zvol cannot be used as a swap device and a dump device
My question is, why not ?
Thanks,
John
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