ZFS is an integrated filesystem and volume manager, originally designed by Sun

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Cannot boot ZFS root on Ubuntu 12.04 after Heartbleed update

I did the apt-get update and then upgrade to deal with the heartbleed vulnerability. I rebooted after the upgrade without checking that everything was good. Now I'm not having much luck. It is booting ...
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Help with ZFS pools

Running Ubuntu 12.10 using ZFS on Linux I just replaced a drive in the zpool and everything looked like it was working then I rebooted and now it says that the drive that I just replaced is ...
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ZFS mirror with two partitions on the same disk, safe?

I would like to create mirrored partitions on a single disk to protect against bit rot. I understand this will not protect against hardware failure. Seeing as ZFS is intended to work with drives, ...
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Error when installing ubuntu-zfs

I'm switching from FreeNAS to Ubuntu 12.04 LTS. After a vanilla install of Ubuntu has been completed I run the following commands in the order shown to install ZFS: apt-get install ...
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2answers
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Which is better for a home media server: zfs or btrfs or LVM/md? [closed]

I'm looking at building a new home server and would like a flexible filesystem. Both btrfs and zfs are interesting. I want to be able to do soft raid and have flexible solution allowing me to expand ...
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19 views

Zfs mountpoint for sidebar

I'm trying to mount a zfs drive in Lubuntu, I can get it to mount, but I can't find the proper mount point to get it to show in the side bar like a normal drive would. sudo zfs set mountpoint=?/? ...
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115 views

Home Microserver using Ubuntu and ZFS: about ZFS

I see this topic is quite a popular ([1], [2]) so hopefully I can get nice feedback on what I'm trying to do. I'm buying an HP Microserver with 4x 2TB, and I currently have two computers. I'd like ...
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473 views

zpools don't automatically mount after boot

Running ubuntu 13.10 server. Installed and setup zfs from the ubuntu ppa. All appears to work fine after a reboot if I manaully do a 'sudo zfs mount -a', but reading the FAQ on zfsonlinux.org it ...
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383 views

ZFS: Help importing a zpool after Ubuntu upgrade from 13.04 to 13.10, device IDs have changed

I have updated Ubuntu from version 13.04 to version 13.10, only to discover that the SATA disks IDs have changed, and my ZFS pool now fails. On new Ubuntu 13.10 the disk IDs are now ata-* instead of ...
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34 views

ZFS ARC with zcache?

I installed Ububtu server as home NAS. NAS is using ZFS as filesystem on main data storage. MY understanding that ZFS uses plenty of memory for ARC. But I'm not sure if ARC acts as linux cache, and ...
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340 views

ZFS pool with disks labels /dev/disk/by-id/scsi*** disappeared after upgrade

Recently I have upgraded my home server from 13.04 to 13.10 by dist-upgrade and my zfs pool which was built using .../by-id/scsi*** disk names broke The problem is that scsi*** labels completely ...
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1k views

Unable to install ZFS (Ubuntu 13.10)

I'm fairly new to Ubuntu and wanted to setup a server running ZFS/XBMC - The XBMC install went fine, however I ran into trouble getting ZSH working. Configuration : Ubuntu 13.10 (GNU/Linux ...
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413 views

ZFS RAIDZ Pool appears empty after upgrade to 13.10

I upgraded my Ubuntu workstation where I had my home directory linked to a ZFS filesystem. After the upgrade, I can no longer log into the desktop, but I can log in via terminal. When I browse to ...
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64 views

ZFS scrub makes PC shutdown “work”: but why and how?

When shutting down (and suspending) my pc automatically reboots. Much to my surprise, I noticed that the PC DOES shut down without reboot when (native) ZFS is performing a scrub (apparently the ...
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1answer
143 views

zpool 'replace' vdev failed after resilvering - can't detach

My one zpool has experienced two successive drive failures. As I was resilvering the first, the second failed and I got two errors, in snapshots. The resilvering finished, and then I used "zpool ...
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1answer
206 views

Activate ACL for zfs pool ubuntu 13.04

i have tested ACL on local folders and i works perfect. But on my zfs pool called "tank" root@datacenter:/mnt# ls datatank test webmin_1.650_all.deb root@datacenter:/mnt# setfacl -m u:casper:rwx ...
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1answer
1k views

ZFS on >2TB disk in Ubuntu 12.04?

I just got a 4TB disk and I'm running Ubuntu 12.04. http://www.thegeekstuff.com/2012/08/2tb-gtp-parted/ says you need to partition your disk with GPT if you want to use >2TB (and that you can do this ...
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2answers
110 views

use Cron to mail log from a job

I have a weekly script that cron runs to make a zfs snapshot. I was wondering if it is possible to mail a OK mail if the job run correctly and a error mail if something happened and in the content of ...
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1answer
107 views

ZFS Raid1-z replace Disk

I inted one of my disk from the lower raid1z setup and i was wondering what is the best way to do it, what a re the steps. NAME STATE READ WRITE CKSUM ...
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2answers
424 views

Activate ZFS Snapshots

I accidentally delete some files from my zfs pool and tried to mount the latest snapshots but i just figured out that i have no snapshots. How to activate the snapshots, how to configure it? I am ...
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2answers
163 views

Which file system supports RAID and is mature enough for a media server?

I am planning on setting up a home media machine with Ubuntu 12.04 LTS or 13.04 (please let me know if this makes a difference). I have 4 hard drives and I am looking for a file system that supports ...
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34 views

False “Not Available” in ZPool

I am running ZFS on Linux 0.6.1 on Ubuntu 12.04 LTS, and I am having a problem with one of my ZPools that is a mirror of two 1 TB drives. After a system reboot, zpool status shows that one of the ...
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Replacing a dead disk in a zpool

I'm running Ubuntu Server 13.04 64-bit using native ZFS. I have a zpool consisting of 4 hard drives of which one died yesterday and now is not being recognized by the OS or the BIOS anymore. ...
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2answers
292 views

How do I get Ubuntu to forget all about an old ZPOOL?

My Ubuntu 12.04 system has two zpools: rpool (containing the root filesystem) and rdata (containing all other data). rdata was originally 2 x 1TB disks mirrored. Because I couldn't upgrade rdata to ...
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902 views

How to rebuild ZFS pool with new disks of different sector sizes?

I have Ubuntu 12.04 with ZFS installed. There are two pools: rpool (the root filesystem) and rdata (all the data). rdata was built with 2 x 1TB WD EADS drives (with 512 byte physical sectors) in a ZFS ...
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92 views

seeking rescue drive with ZFS

I'd like to create a USB flash drive with a live Ubuntu that supports ZFS. The purpose is to rescue, or do low-level things to, a computer with ZFS. However I've failed to find such a thing, and ...
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421 views

Can't share zfs filesystem over nfs

Ubuntu Server 13.04. Client OpenElec 3.02 trying to share thru built-in into zfs sharenfs server (192.168.1.56) administrator@ubuntu:~$ sudo zfs get all | grep share [sudo] password for ...
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171 views

ZFS mount hangs

Can someone help me with ZFS on 12.04. I have imported the pool but it won't mount the datasets. When I try any commands concerning ZFS or zpool the console just sits there. I have gotten it to work 1 ...
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3answers
1k views

Can anyone point me to a guide for installing Ubuntu 12.04 LTS on to a USB Thumb Drive?

I am currently looking to change my home NAS from FreeNAS to Ubuntu server 12.04 LTS. I have had a look but all the guides I can find are about making a live USB not a USB with the Full install on it. ...
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2answers
301 views

Ubuntu 12.04 RAID 5/6: Native RAID or ZFS?

have 8 hard drives of different sizes that I want in a RAID 5 or 6 configuration, the OS is Ubuntu 12.04 desktop. Does the native RAID in Ubuntu support RAID configurations with hard drives of ...
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179 views

why does df show two root mounts on my zfs system?

Why am I seeing two roots on 'df' but not on 'mount'? I'm using zfs. root@a:/$ df -h Filesystem Size Used Avail Use% Mounted on rootfs 4.0G 3.2G 801M 80% / udev ...
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971 views

How to migrate from RAIDZ1 to RAIDZ2 using ZFS-native? [closed]

Last night I created a raidz1 array, however later in the evening I realised I needed to create a raidz2 (RAID5), is it possible to change the raid level of my array from raidz1 to raidz2 without ...
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How do you apply performance tuning settings for Native zfs?

I am currently running an Ubuntu 12.10 Desktop with some zfs pools. I have installed ZFS using the following instructions and from the PPA it contains: https://wiki.ubuntu.com/ZFS I have a ...
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2answers
255 views

ZFS partition as swap

I'm using native-zfs and was wondering if there is a way to use a ZFS partition for SWAP. I'm running my server off of a thumbdrive and thought that would be a good way to speed it up a little bit.
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Copying files to zfs mountpoint doesn't work - the files aren't actually copied to the other filesystem, [closed]

I have 3 x 4 TB disks in a NAS that I want to group together and access as if they were one whole 'unit' of some kind. I also have a 250GB disk containing the OS - this is full of films and tv shows ...
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2answers
2k views

ZFS package (zfs-ubuntu) does not create zfs module?

I'm trying to use ZFS (zfsforlinux stable) on Ubuntu 12.04 x86_64 Server. I enabled the PPA, and apt-get install ubuntu-zfs works successfully. However, no zfs module is created and the zpool and ...
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how to format a USB drive in ZFS under Ubuntu precise (12.04) (32bit)

I am running Ubuntu precise 32 bits: $uname -a Linux thorin 3.2.0-30-generic-pae #48-Ubuntu SMP Fri Aug 24 17:14:09 UTC 2012 i686 athlon i386 GNU/Linux What is the command line to format an ...
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509 views

Ubuntu 12.04 transmission-daemon and zfsonlinux: bad file descriptor and corrupt pieces

I'm running Ubuntu 12.04 with zfsonlinux and transmission-daemon. The issues: sporadic Bad File Descriptor and Piece #xxx is corrupt errors. After I recheck the torrent, everything seems ...
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326 views

zfs raidz1-0 corrupted data, all disks are online

My zfs pool "datas" is unavailable but all my disks are online. Do you know how the problem can be fixed? root@oxygen:~# zpool status pool: datas state: UNAVAIL scan: none requested config: ...
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1answer
2k views

Replacing a disk in zpool

I am using Ubuntu 12.04 & Zfs Native. I created a zpool using the /dev/disk/by-id method, but I can no longer import zpool. When I try zpool status command I get the error message " no such pool " ...
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4answers
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Installing Ubuntu on native ZFS root with encryption

I'm trying to install Ubuntu with a native ZFS root filesystem on top of an encrypted partition. The device setup is as follows: The physical disk is partitioned into a small boot partition and the ...
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1answer
2k views

How to mount a ZFS share over NFS

I am trying to mount a ZFS drive to a Ubuntu 12.04 server installation. The drive is shared via NFS. I have installed ZFS for Linux but I still get a: wrong fs type, bad option, bad superblock error. ...
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459 views

Installing ZFS changed my sudoers file

Following the wiki's advice, I installed ubuntu-zfs. However, once everything installed correctly, and I tried installing another application via apt-get, I get a weird issue with my sudoers file: ...
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1answer
553 views

Troubleshoot broken ZFS

I have one zpool called tank in RaidZ1 with 5x1TB SATA HDDs. I'm using Ubuntu Server 11.10 Oneric, kernel 3.0.0-15-server. Installed ZFS from ppa also I'm using zfs-auto-snapshot. The ZFS file system ...
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1answer
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How do I mount a ZFS pool?

Sorry for asking an Ubuntu concerning question, but I hope that someone here has some experience with that. I have to mount the zfs pool I created with freenas8 on Ubuntu. I tried it as described ...
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1answer
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Ubuntu: How to mount zfs snapshot?

I'm trying to mount zfs snapshot. It should to be so easy...but I can't do that. I'm using Ubuntu Server 11.10 Oneric, kernel 3.0.0-15-server. Installed ZFS from ppa also I'm using ...
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4answers
6k views

What to do about a corrupted ZFS Pool

Have been running a test instance of a NAS using a ZFS as mentioned in Restoring an Ubuntu Server using ZFS RAIDZ for data. This week one of my disks died. Shouldn't be a problem, should it (the ...
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1answer
653 views

How do I bind a ZFS pool to a LXC container?

I'm using Ubuntu Server 11.10 Oneric, kernel 3.0.0-14-server. I installed ZFS from ppa and created zpool and mounted it at /zfstankdir. Then I installed LXC and created Ubuntu container. Now I want ...
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1k views

Restoring an Ubuntu Server using ZFS RAIDZ for data

Having become disillusioned with hacking Buffalo NAS devices, I've decided to roll my own Home server. After some research, I have settled on an HP Proliant Microserver with Ubuntu Server and ZFS (OS ...