I'm building a new system and trying to plan it's implementation while waiting for the motherboard to arrive.
Currently I have 6 x 8TB WD Red drives in RAIDZ2 and have 6 x 4TB WD Red drives not being used currently. I would like to keep my current system working while building and testing the new build (mem test and CPU stress) and possibly use the 4TB drives as a backup. Then swap the drives from the old to the new server.
As my new case will hold 16 HDD should I add 2 additional 8TB drives to make an 8 drive RaidZ2 vdev with the option to add a second 8 drive RaidZ2 in the future or just stick with the 6 drive RaidZ2? I know I will have to destroy the pool to do that but if I have a backup (using replication) it won't be an issue.
Slideshow explaining VDev, zpool, ZIL and L2ARC
Recommends 2 vdev be the same number of drives and both RaidZ2.
Should I Install the 6 x 4TB drives in new build as RAIDZ1 to increase my storage space and replicate my old system to the new one as a backup before switching the drives from one server to the other? Then after all the data is transferred change to a 6 x 4TB RaidZ2 for future backup. My current pool is 11.6 TiB so I don't think it will fit on 6 x 4TB RaidZ2. (11.4 TiB with 80% usage)
Another option would be to leave the 6 x 4TB drives in RaidZ2 and just backup my media directory to transfer back to the 8 x 8TB RaidZ2 that I would create. I already have a backup of my jails data directories on my windows machine.
Will the number of drives in a vdev definitely be able to be increased without destroying it and starting over in a future FreeNAS version? If so staying with 6 drives for now would make sense.
I hope this isn't to hard to follow.
Currently I have 6 x 8TB WD Red drives in RAIDZ2 and have 6 x 4TB WD Red drives not being used currently. I would like to keep my current system working while building and testing the new build (mem test and CPU stress) and possibly use the 4TB drives as a backup. Then swap the drives from the old to the new server.
As my new case will hold 16 HDD should I add 2 additional 8TB drives to make an 8 drive RaidZ2 vdev with the option to add a second 8 drive RaidZ2 in the future or just stick with the 6 drive RaidZ2? I know I will have to destroy the pool to do that but if I have a backup (using replication) it won't be an issue.
Slideshow explaining VDev, zpool, ZIL and L2ARC
Recommends 2 vdev be the same number of drives and both RaidZ2.
Should I Install the 6 x 4TB drives in new build as RAIDZ1 to increase my storage space and replicate my old system to the new one as a backup before switching the drives from one server to the other? Then after all the data is transferred change to a 6 x 4TB RaidZ2 for future backup. My current pool is 11.6 TiB so I don't think it will fit on 6 x 4TB RaidZ2. (11.4 TiB with 80% usage)
Another option would be to leave the 6 x 4TB drives in RaidZ2 and just backup my media directory to transfer back to the 8 x 8TB RaidZ2 that I would create. I already have a backup of my jails data directories on my windows machine.
Will the number of drives in a vdev definitely be able to be increased without destroying it and starting over in a future FreeNAS version? If so staying with 6 drives for now would make sense.
I hope this isn't to hard to follow.