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Old 04-14-2010, 05:25 AM   #1
Registered: Sep 2008
Posts: 68

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Hi folks,

If I were to create a zpool using RAIDZ, with four disks using the following command:

zpool create pool -m /storage raidz /dev/sda /dev/sdb /dev/sdc /dev/sdd

Then create more ZFS filesystems with in the pool using:

zfs create pool/iscsi1
zfs create pool/iscsi2

could I safely use pool/iscsi1 and pool/iscsi2 as iSCSI targets? The total pool space will be shared, does this cause problems/data loss with iSCSI?

Or is this just a bad idea?

Old 04-15-2010, 08:02 AM   #2
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Registered: Aug 2007
Location: Massachusetts, USA
Distribution: Solaris 9 & 10, Mac OS X, Ubuntu Server
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Doesn't seem quite right. Google "zfs iscsi howto". Good example is

What I was uncomfortable with is that when you connect to that target from another machine, it will appear as a raw device that can then be formatted, put in a zpool, etc. As such, it needs a size. It can't share space and change in size over time. So, you have to declare a size for the file system when you create it with the zfs command. Otherwise, if you have adequate space, you can create multiple targets within the same pool.

By the way, if this were posted over in the Solaris subforum, you might have gotten a quicker response. People who know Solaris and zfs frequent that subforum. You could ask a moderator to move it.


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