Solaris ZFS and Zone

I am new to ZFS and have few questions.

1. I was working with zones and zfs and created a few zones using zfs. My global zone was having ufs file system. Can i able to build global zone with ZFS as boot? Can my main boot living in ZFS?

2. I have created few zfs file system under the pool called oracle.

zfs create oracle/apache1
zfs create oracle/apache2
zfs create oracle/apache3

My main pool have 5 gb space. How is the space distributed here? How do i say i need 1 GB for apache3.
ittechlabLinux SupportAsked:
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Brian UtterbackConnect With a Mentor Principle Software EngineerCommented:
A reservation means that the data space is reserved in advance. That is I could have a 1GB dataset and give out 10 100MB reservations but no more and even at point there would be no space left for anyone without a reservation, but I can give out an unlimited number of 100MB quotas, and anyone can use whatever space they want as long as they are under quota and there is space left.
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
the ZFS pool defines the storage space available.

ZFS uses a pool storage model where storage devices are aggregated into a storage pool. File systems within the storage pool use all the storage in the pool.
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ittechlabLinux SupportAuthor Commented:
is it first come first serve basis?

how do I define i need to use 2 GB for apache2
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
it is first come first server as you put it.

all your storage devices contribute to the ZFS pool.
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ittechlabLinux SupportAuthor Commented:
what is the difference between quota and reservation.
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ittechlabLinux SupportAuthor Commented:
what is iPool and zPool? i am not quite sure.
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tyson-edwardsConnect With a Mentor Commented:
Conventional naming conventions for documentation is that a pool for iSCSI mounts would be named iPool versus your NFS and SMB shares or local data being a zPool.

End result is that the two are essentially equal and and the naming convention is used for ease of searching through documentation.

Pool names can be anything that you want, and ultimately should be something that applies to either logically or physically to the data itself or it's storage.
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GeertJonConnect With a Mentor Commented:
Your question can my global zone boot environment be ZFS?
Basically you have like 2 options.
Install from scratch an select option 3 or 4, Text mode or console mode or do a live upgrade.
in the case of a live upgrade i'm afraid you'll have to use another disk...
Regards,
Geert
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