1
vote
1answer
17 views

ZFS on top of LUKS partitions

I have weird problem I cannot quite explain. I have three hard disks. One is the root disk sda, and then there are two more, namely sdb and sdc. The latter have two LUKS partitions sdb1 and sdc1 and ...
0
votes
0answers
9 views

zfs module locks fs if storage file is used at this fs

First of all following things are related to gentoo on amd64 and zfs for linux. I'm persistently receiving mount-ro failed because we are using / on system shutdown inside my sandbox-virtual machine ...
0
votes
0answers
28 views

Expose ZFS snapshots to shadow copy

I have a linux server with a zfs file system that I share via SMB over a network. I take snapshots of the file system, and it works great locally. But I want to share these snapshots over the network ...
0
votes
1answer
23 views

How to encrypt a zpool in Linux

Does zfs on linux have a built in command to encrypt entire pools (or zfs file systems)? If not - how should one proceed to do so? (I'm running zfs on an Ubuntu Server 12.04LTE)
0
votes
1answer
38 views

zfs for Linux – formatting disks

I just installed the zfs file system for Linux, but now I do not know how to format a drive with it. I am running Ubuntu 12.04 LTS Desktop and trying to format two external hard disks to mirror each ...
1
vote
1answer
151 views

Running ZFS as MediaStorage with non ECC-Ram

First to the Setup: I'm planning to use 8-11 USB3 Disks to form a MediaStorage The idea is to use 2 USB3 Hubs to balance the load between two seperate USB3 Ports (on different hubs) Now from what ...
2
votes
0answers
71 views

Migrate LVM to ZFS

I am currently thinking about moving away from my LVM setup to a ZFS setup with RAIDZ. My current setup consists of 5 x 4TB disks in a LVM and a 60GB SSD for the system. At the moment there is about ...
1
vote
2answers
90 views

Compact, up to date, LiveCD supporting LUKS and ZfsOnLinux

I'm looking for a nice compact LivecD to support a new installation. The Gentoo minimal install CD is about the perfect thing, except it does not support ZFS. The Gentoo LiveDVD does Support both ...
0
votes
1answer
28 views

zfs snapshot -r for a single, simple dataset?

According to the man page zfs snapshot -r "recursively create[s] snapshots of all descendent datasets". As per http://docs.oracle.com/cd/E18752_01/html/819-5461/ftyue.html dataset is a generic name ...
1
vote
0answers
81 views

Seagate USB '3.0' Speeds with Ubuntu ZFS

I am currently researching zfs. I have a RAIDZ-2 system with an SSD Cache. My issue is backups, our idea is to send snapshots to a USB 3.0 Seagate external harddrive. I understand and have read the ...
0
votes
1answer
82 views

Setting up Debian file server, looking for advice about what file system to use

I'm currently working on setting up a Debian media and torrent server for my home. Most of my home network is comprised of Macs, and up until now my "server" was two 4 TB hard drives formatted HFS+ ...
0
votes
1answer
46 views

Virtualization software that supports mounting host zfs zpool

what virtualization software should be used for a guest operating system (preferably BSD) that supports mounting host(Linux) zpools in the guest OS? I am aware of the vmware ability to mount hard ...
0
votes
1answer
210 views

FreeNAS/ZFS/Raid-Z slightly different disks

I'm considering using FreeNAS and "recycling" some of my older 1TB disks. Two are the exact same model Western Digital while another is Seagate and the fourth is Samsung. Typically, since all disks ...
0
votes
0answers
72 views

How to mount zfs-fuse earlier in boot sequence so I can do rsyslog there on Ubuntu 12.04?

I'm trying to use zfs-fuse as the file system driver for a read/write partition that includes system logging on an Ubuntu 12.04 distribution. I have succesfully redirected rsyslog there by modifying ...
1
vote
0answers
96 views

Can't compile static ZFS binaries on Gentoo

My kernel: geek-sources-3.11.1 from init6 overlay with zfs and couple other patches. Right now I'm using SysRescCD and doing everything in a chroot. My last try was: $ grep static-libs ...
0
votes
1answer
277 views

How to backup a ZFS system to drives on a remote linux system

I have an OmniOS file server with a ZFS raidz2 array that I want to back up to another machine over gigabit ethernet. The other machine is a Linux (Ubuntu 12.04) system with non-ecc RAM connected to a ...
5
votes
3answers
5k views

ZFS Beginner Setup with Different Size Drives

Sorry for the noobie questions, I've been Googling all sorts of walkthroughs to create my ZFS raid, but I can't seem to find the correct links for the answers I'm looking for. This is my first ...
3
votes
3answers
2k views

ZFS (on Linux)'s memory requirement for a non-fileserver computer

A lot of material on ZFS mentions that basically the more memory you can throw at it, the better. However, I plan to use ZFS on a notebook with 16GB of RAM -- while that should be enough for ZFS, I ...
1
vote
1answer
334 views

Improving small-file-performance for ZFS On Linux

I used mdadm (RAID 5) and ext4 before, I switched to ZFS On Linux (raidz) because of many reason. But when I working with small files, the performance is terrible. Only 7 MiB/s!? How do I improved ...
2
votes
1answer
899 views

Best way to mount a remote ZFS share in Windows and make it appear local, or close to local

I primarily use Linux and Mac, where sharing folders and block devices is easy and just works. I have a 38TB ZFS-backed Ubuntu fileserver that pretty much stores all of my data for all of my devices. ...
1
vote
1answer
187 views

ZFS & Deduplicating FLAC Data

I'm experimenting with using ZFS to deduplicate a large library of FLAC files. The purpose of this is twofold: Reduce storage utilization Reduce bandwidth needed to sync the library with cloud ...
3
votes
2answers
6k views

Automount ZFS zpool in Ubuntu 12.04

So, I've been told that ZFS for Linux has the ability to automatically mount a zpool on system startup in Ubuntu 12.04, but it doesn't work for me and I can't find any documentation on how to make it ...
2
votes
2answers
981 views

How to access freebsd zfs partition under Linux using zfs-fuse?

I have installed dual OSs on my PC box: Linux and FreeBSD. The FreeBSD is installed on a ZFS partion under /dev/sdb1. Under Linux, the fdisk -l /dev/sdb outputs Device Boot Start End ...
2
votes
1answer
357 views

Rendundant & versioned filesystem [closed]

Introduction Only wimps use tape backup: real men just upload their important stuff on ftp, and let the rest of the world mirror it! (Linus Torvalds) That was a long time ago (well... 1996!). ...
1
vote
2answers
3k views

Piping in and out of tar and gzip

I am trying to get a handle on how to pipe from a command into something like gzip, cpio or tar. The commands in question belong to the ZFS system. I am running ZFS on Ubuntu Linux 10.04.3. The ...
4
votes
1answer
1k views

How to use ZFS on linux easily (without paths like /var/run/zfs) or as non-root

When I asked about filesystems with compression I got recommendation to try ZFS. Looks like it worth trying, however I find tools that manage ZFS (zfs, zpool) quite overcomplexified - you need to ...
1
vote
1answer
285 views

How to disable autoresume of a ZFS-formatted drive on Ubuntu

I've bought an external hard drive. I want to use it with Ubuntu 11.04 (kernel 2.6.38-11-server) and the zfs-fuse package. I've successfully formatted the disk to zfs. The disk is suspending when it ...
3
votes
1answer
4k views

How can I tell if ZFS (zfs-fuse) dedup/compression is applied to a particular file?

I have a zfs formatted partition using zfs-fuse for linux (Ubuntu). I had used it for a while, and then enabled dedup and compression on it (zfs set compression=on/dedup=on). Now I think I have some ...
1
vote
1answer
693 views

Best filesystem choices for NFS storing VMware disk images

Currently we use an iSCSI SAN as storage for several VMware ESXi servers. I am investigating the use of an NFS target on a Linux server for additional virtual machines. I am also open to the idea of ...
6
votes
7answers
7k views

Setting up a home server - what to use? (ZFS vs btrfs, BSD vs Linux, misc other requirements)

I need to get all our home content off individual machines and onto a central server. What I'd like to have is the metaphorical "server under the stairs". Stuff we need: expandable storage. I ...
2
votes
2answers
637 views

zfs setup question

Currently I have a linux storage box and server with 4x750gb harddrives in raid-5 with ext3. I have ordered 3x1.5tb disks to upgrade this. Here is my planned upgrade: Backup: Format the 1.5 tb ...