zfs

Is it possible to offline a disk in a raidz zfs pool?

When i try to offline a disk in a zfs raidz pool (the raidz pool is not mirrored), zfs says that the disk cannot be taken offline because it has no valid mirror. Isn't one of the properties of raidz that it has a redundant disk (or even 2 disks in raidz2)...? ...

Does anyone have experience with ZFS?

I am considering to adopt ZFS and I would be happy to know your experience in both production and testing environment. ...

ZFS vdev naming?

I have no idea what is the rationale behind naming the vdev (virtual devices) used while creating zfs pools in Solaris. Suppose, I have a disk c4d0, what is meant by c4d0p0 and c4d0s0? And, how would I know what to use with ZFS commands. I am terribly confused since I keep getting "invalid vdev specified". Any pointers? ...

Can ZFS mirror an entire hard drive in OpenSolaris?

I am upgrading an OpenSolaris development workstation and recently purchased two 500GB SATA hard drives expecting to use the features of the motherboard to mirror the drives. OpenSolaris doesn't recognize the drives when configured to be mirrored through the BIOS but it sees them just fine otherwise. Can ZFS mirror an entire drive and wi...

Using java, how do you get the amount of free space on a solaris zfs file system?

Using java, how do you get the amount of free space on a solaris zfs file system? I have a SunFire x4140 with built-in hdd mounted as /. It also has a connected JBOD with 7.6TB of HDD space, configured as a ZFS file system and mounted as /app. I use java.io.File.getUsableSpace or java.io.File.getFreeSpace to get the amount of free spac...

What is the status of ZFS on Mac OS X?

In 10.5, Apple released a read-only kernel extension/filesystem to allow ZFS pools to be mounted. A later open-source project was hosted at http://zfs.macosforge.org and was announced to be part of 10.6, but shortly before the public release ZFS was yanked, and recently, the Apple-hosted MacOSForge site has closed down the ZFS project. ...

What do programs see when ZFS can't deliver uncorrupted data?

Say my program attempts a read of a byte in a file on a ZFS filesystem. ZFS can locate a copy of the necessary block, but cannot locate any copy with a valid checksum (they're all corrupted, or the only disks present have corrupted copies). What does my program see, in terms of the return value from the read, and the byte it tried to rea...

On Solaris, how do you mount a second zfs system disk for diagnostics?

I've got two hard disks in my computer, and have installed Solaris 10u8 on the first and Opensolaris 2010.3 (dev onnv_134) on the second. Both systems uses ZFS and were independently created with a zpool name of 'rpool'. While running Solaris 10u8 on the first disk, how do I mount the second ZFS hard disk (at /dev/dsk/c1d1s0) on an arb...

Raidz-1 parity disks?

Duplicate on Server Fault: Raidz-1 parity disks? I am a bit confused about how to configure my zfs pool. What is the exact difference between adding 8 disks to a raidz1 pool or adding 2x4 to the pool with 2 raidz1 groups. Example zpool create testPool raidz1 d1 d2 d3 d4 raidz1 d5 d6 d7 d8 zpool status shows the same amount o...

ESXi / OpenSolaris / ZFS / Linux

I've been using my Opensolaris BOX for while, with 6 internals drives under ZFS. More recently I've been playing with ESXi and i've got to say this platform is amazing; therefor my plan is to buy a nice SSD drive, install ESXi, create a VM with OpenSolaris and add my 6 disks into the vm and do a zpool import and all my data will be there...