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Questions tagged [zfs]

ZFS is a modern file system and volume manager originally developed by Sun Microsystems and licensed under the CDDL. It is a copy-on-write file system with support for large storage arrays, protection against corruption, snapshots, clones, compression, deduplication and NFSv4 ACLs. An open-source fork of ZFS can be found at http://open-zfs.org/ , which is supported by ZFSonlinux.org, illumos.org and ZFS developers in the FreeBSD & Mac OS X communities.

ZFS is supported out of the box on a number of operating systems:

  • Solaris 10
  • Oracle Solaris 11 Express
  • FreeBSD
  • NexentaStor
  • illumos - specifically, illumos-based distributions, like:
    • Nexenta's illumian
    • Joyent's SmartOS (server OS with strong focus on virtualization)
    • OmniTI's OmniOS (general purpose server OS)
    • OpenIndiana (general purpose desktop/server OS)

Due to license incompatibilities, the CDDL licensed ZFS code cannot be distributed as part of the GPL licensed Linux kernel. Other alternatives methods are available for running ZFS on Linux:

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ZFS pools and filesystems

is there any way to understand (using zfs and zpool commads) to whcih pool is a ZFS filesystem assigned? Thanks in advance
Gianluca
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Debian on HP ProLiant server hangs (disk i/o is my guess)

I installed Debian (2.6.32-5-amd64) on my HP ProLiant MicroServer (purchased recently.) I also added 3 2tb hd in zfs. I've experienced several server froze. Sometimes it showed Soft lockup CUP stuck for 61s! Today I experienced a different problem…
Unplug
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ZFS disk data recovery

I’m new to zfs, so .. I have an HDD, entire disk is zfs. It was created on a FreeBSD machine with zpool create command, and is the only disk in the pool. Data was copied into that pool. I’ve then removed the disk and plugged it into another…
Pav El
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zfs backup script cannot receive destination zpool is renamed

Hello I have an issue with a backup script for ZFS snapshots: basically the break down of the script is this: ### START OF SCRIPT # These variables are named first because they are nested in other variables. snap_prefix=snap retention=10 # Full…
user1814718
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OpenSolaris/OpenIndiana drive full, cannot boot

While downloading my drive became full and now it is non booting. I installed a new drive in the workstation then installed exactly the same OS. I am now trying to go about a simple way of accessing my full drive and getting my data which is in…
Brian Rom
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Hardware RAID0: what happens when a drive fails?

With a hardware-based RAID0, what happens when a drive fails? For example, on brand name servers like HP DL120G7 with HP P410, when running FreeBSD on a zfs with a zpool mirror, or DragonFly BSD with mirroring through HAMMER etc. The following…
cnst
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Mac files on Windows server (loses some data)

We added 2 Mac's to our Windows network. We are finding that some users are deleting the Mac hidden files that provide Finder meta data. Also, if a Mac user moves a file to another folder, they don't know to move any other files associated with…
Markaway
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Move data to a new zpool

I want to create a new Zpool and move data from an old zpool The old zpool is like this: rpool [mirror-0 (c1t0d0s0 c1t1d0s0) ] I will insert two new hard drives and want to configure a new zpool like the old one. Then i want to move /data-tmp…
garci86
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From ZFS Array CLI how to get the latest snapshot for share

from ZFS Array cli how to get the latest snapshot for share. my share name is "test_share" for this share want to check the latest snapshot. Test-ae0101zfs201:shares test_proj_test/test_share_test snapshots>
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How stable and reliable is HAMMER in 2015?

It's been a long time since HAMMER came about. Has it been deemed reliable for general-purpose consumption yet?
cnst
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file system that allow to specify different RAID level per directory and change it afterward

I have 5 hard drives, where I want to keep my data. Some of my files are more important, and some of them are less. So some of them I wish to put on RAID-6, and for some it RAID-5 is sufficient. It is difficult to predict at the moment of creation…
Adam Ryczkowski
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