Hello,
I have a strange problem. I don't know if it is a feature/bug of 9.3, but I am using 9.3 so I figured it was safest to start here. Tell me if I should move this.
I have a 12 x 1TB JBOD. When I use the GUI to create a 4 x 3 raidz (4 sets of 3 disks in raidz), I end up with 10.9 available in zpool list, and 8.02TB available in zfs list. I also notice that when the GUI creates pool, it uses what I assume are gpart id's (gptid).
If I then wipe that and use zpool command to create the pool (below), I still get 10.9TB available in zpool list, but get 8.72TiB in zfs list.
zpool create -R /mnt MSA60 raidz2 multipath/disk1 multipath/disk2 multipath/disk3 multipath/disk4 multipath/disk5 multipath/disk6 multipath/disk7 multipath/disk8 multipath/disk9 multipath/disk10 multipath/disk11 multipath/disk12 log da34
Note: I have disabled the creation of swap partitions under advanced, so I assume they're not getting created, but I fear they are? I'm not great at disk geometry maths, but clearly the GUI is doing something extra that results in less space. Below is a screenshot of the difference is diskid's vs gptids (yes it is 2 different pools for example purposes).
I have a strange problem. I don't know if it is a feature/bug of 9.3, but I am using 9.3 so I figured it was safest to start here. Tell me if I should move this.
I have a 12 x 1TB JBOD. When I use the GUI to create a 4 x 3 raidz (4 sets of 3 disks in raidz), I end up with 10.9 available in zpool list, and 8.02TB available in zfs list. I also notice that when the GUI creates pool, it uses what I assume are gpart id's (gptid).
If I then wipe that and use zpool command to create the pool (below), I still get 10.9TB available in zpool list, but get 8.72TiB in zfs list.
zpool create -R /mnt MSA60 raidz2 multipath/disk1 multipath/disk2 multipath/disk3 multipath/disk4 multipath/disk5 multipath/disk6 multipath/disk7 multipath/disk8 multipath/disk9 multipath/disk10 multipath/disk11 multipath/disk12 log da34
Note: I have disabled the creation of swap partitions under advanced, so I assume they're not getting created, but I fear they are? I'm not great at disk geometry maths, but clearly the GUI is doing something extra that results in less space. Below is a screenshot of the difference is diskid's vs gptids (yes it is 2 different pools for example purposes).