Thanks for all the answer, still trying to read slowly and understand. Pardon my English coz this is my 2nd language.
I believe I owe some more explanation. The system is actually freenas which installed on separate disk. 3 disks, 500GB, 1TB and 1.5TB is for data only. The first pool will be raidz1 with 150 Mb from each disk. This 1 should be clear I believe. The remaining space from each disk is for video files. The main motivation for me to creating second pool is I can use this space easily. What I mean by easily is 1) The space will be sum together. Something like JBOD. So I don't have to monitor freespace for each different disk when I copy the file. 2) When the space is almost full, can add new disk and extend the size rather than mount another partition in different folder. What I trying to avoid is, if 1 of the disk fail I will lost all of the data in the pool even from healthy drive. I not sure whether I can simple pull out 1 drive and all the file which located on the faulty drive will be lost. The file which on other drive will still available. I understand about the cheese thing. Can I avoid this? meaning the file will be written on 1 drive and not splited across the drives. I don't needs the speed, only easy manageable freespace. -- This message posted from opensolaris.org _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
