An advanced file system that can span multiple disks, heal itself from data corruption, deduplicate data, encrypt, etc.

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499 views

Can I safely migrate a ZFS pool from FreeBSD to Ubuntu?

I have a HP Microserver running FreeBSD 9.1. It has a ZFS pool which is a 3-way RAID Z. It currently boots from root on ZFS. I would like to migrate from FreeBSD to Ubuntu server (because I am more ...
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2answers
31 views

What is a better approach for ZFS?

I am making zpools on FreeBSD machine. While creating zpools I observe these two cases:- If I take raw disks and create zpool then I am able to form zpools and they are working perfectly. If I ...
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1answer
63 views

Managing disk in a VM

I'm replacing my two old rack servers with a new one that has plenty of power to take over the functionality my current servers. The server is a 4U rack mount with 16 3.5" SAS drive bays, two 2.5" ...
2
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1answer
186 views

Access MacZFS via network from XBMC

I have a ZFS RAID (zpool with three drives) hooked up to my Mac that I want to share in my LAN so that the XBMC client on my OUYA console hooked up to the television can read the drive and use it to ...
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1answer
106 views

ESXi - Solaris ZFS Raids System Drive Failure Recovery (VMDirectPath I/O - raidz pool)

I currently run Solaris 11.1 in ESXi 5.5, with a HBA (disk controller card) passed though to the OS via VMDirectPath I/O and a raidz pool (called Vault). The OS is running on a single deddicated SSD ...
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1answer
783 views

Change ZFS disk references to use GPTID instead of GEOM name?

I've built a FreeNAS rig on a sweet little HP ProLiant MicroServer. Storage wise, I've created a 3 disk ZFS pool using RAIDZ1. I started out with 3 small disks, while getting familiar with FreeNAS, ...
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1answer
2k views

zpool: pool I/O is currently suspended

I'm using ZFS on OSX and I've zpool which is active and online: NAME SIZE ALLOC FREE CAP DEDUP HEALTH ALTROOT WD_1TB 931G 280G 651G 30% 1.00x ONLINE - but I can't ...
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1answer
28 views

Non Raid - Symbolic links

I have 3x 3TB drives and 2x 1TB drives. I want to use all drives without RAID, but to be shown as a single volume. So that if a drive fails only the information on that failed drive will be lost. ...
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1answer
818 views

Where is my VMware-ws FreeNAS CIFS(ZFS) bottle-neck?

Background: I'm building a quiet HTPC + NAS that is also supposed to be used for general computer usage. I'm so far generally happy with things, it was just that I was expecting a little better IO ...
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1answer
12 views

How to recognize the start and end of a zpool partition on byte/HDD block level or with broken GPT?

In case the GPT of a HDD has been deleted and possibly some partitons, but not the one that should be found with the answer to this question (because it is right in the middle of the HDD and writing ...
0
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1answer
499 views

How can I make Windows modify CIFS/ZFS ACLs 'correctly'

I have a FreeNAS (FreeBSD) system with a CIFS share (called "library") backed by a ZFS file system. The share is set up as per the FreeNAS GUI to use "Windows / Mac" ACLs which I'm led to believe ...
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1answer
53 views

Windows Version of ZFS

From what I've read about ZFS is that it allows and protects against FileROT. Which is why I commonly use this for all my FreeNAS Machines. Is there an option like that but for the Windows side of ...
0
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1answer
164 views

ZFS on linux: switch partition to whole disk

There is a ZFS pool with raidz1 in it. The pool is created on top of three 2TB drives using the whole disk and a 2TB partition on a 3TB drive. What is the recommended process to reconfigure the pool ...
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1answer
39 views

When partitioning devices for zfsonlinux, what is the correct “Partition type GUID” to use, or is this important at all?

I want to use zfsonlinux on a Debian system. Since I have advanced format drives and will employ LUKS, I have to partition the device by hand. A forum entry at archlinux.org points out that the ...
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1answer
132 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+ ...
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1answer
320 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
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1answer
237 views

Moving root partition to new disks of different size by using ZFS mirroring

I have quite a few spare old 500GB WD Black disks that I'm going to be using for the root file system of a FreeBSD NAS at home. These disks have been in continuous use for 5 years within a rack server ...
0
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1answer
195 views

FreeNAS 8 and ext fs

i'm trying out freenas8 for my personal NAS, i have lots of data that was in an ubuntu server, but somehow i never got the file sharing right. on freenas things just worked. i installed on usb, tried ...
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1answer
990 views

Can't complete a SMART test on FreeNAS

I'm trying to run a disk test with smartctl -t long on FreeNAS. But the test immediately aborts with Aborted by host. From what I've read, this is because the system is using the drive, so it cannot ...
2
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0answers
95 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 ...
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0answers
441 views

Rsync fails for files that start with underscore when destination is zfs

I'm using rsync3.1.0pre1 on Mac OS X 10.8.5, and am trying to rsync one folder to another. The destination is a ZFS volume mounted via SMB. The problem I'm having is that files that start with ...
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0answers
20 views

Can I reuse an overheated HDD after formatting in a ZFS RAID0?

I have a WD50EFRX which overheated according to SMART data (95 degrees celsius) and damaged some blocks (raw value of Raw Read Error Rate ~ 22000). There're no other values besides the Raw Read Error ...
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0answers
54 views

What is a ZFS legacy mount point?

I am trying to understand the way ZFS works when I do for example, a snapshot. When I use zfs list on machine I get some mount points and some paths. For example I get something like that: ...
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0answers
471 views

Cheaper alternative to ZFS Storage for a home NAS

I'm looking to build a NAS for home use with 8-10*(2-4TB) drives, out of which 2-3 drives would be used for parity via software RAID. In the past years and up to date, ZFS seems to have become the ...
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0answers
177 views

ZFS and FreeNAS: Mirror using half a drive

I'm planning to set up a FreeNAS server with two of my spare drives: 1x 1TB drive 1x 2TB drive Both drives are identical besides their capacity and neither has any data on it. Is it possible to ...
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0answers
175 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 ...
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0answers
148 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 ...
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0answers
226 views

Reading VMFS data from ZFS snapshot

I am wondering about something and maybe someone can give me a clue. If I have a server running ZFS plus an iSCSI target for my VMware ESXi box. Would ZFS snapshots of the iSCSI virtual block device ...
0
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0answers
9 views

Can't mount ZFS mountpoint, mountpoint or dataset is busy

So my roommate, in a misguided attempt to fix a fuse issue in our apartment, decided to toggle all the fuses in the fusebox. He did this before I could safely shut down my fileserver and now the zpool ...
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0answers
19 views

What could be reasons for a file fitting into a ZFS pool at some point, but not the second time after being removed with rm?

My problem is really as simple as follows: I want to put a file into a ZFS dataset after having deleted it with the rm command (even verified with find /path/to/pool_root -name "*" because the ...
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0answers
36 views

How to increase I/O priority of a zpool scrub (at runtime/without reboot)?

The speed of the scrub is not exceeding 5 MB/s for the first half hour (according to zpool status 2. The pool reaches 140 MB/s maximal and 50 MB/s for > 30 minutes. Watching iotop I see that txg_sync ...
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0answers
21 views

Viewing ZFS Raid-z device after importing with 'zpool'

I'm having trouble viewing my 'Storage' ZFS raid array. I've successfully imported the drives in with zpool import Storage. zpool status Storage returns: pool: Storage state: ONLINE status: The ...
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0answers
77 views

Changing ZFS pool partition size on “advanced format” hard drives

I have a system running Ubuntu 13.04 with three WD30EZRX drives (3 TBs each) in a pool with raidz1. These drives apparently have an "advanced format", but they misreport their physical block size. ...
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0answers
92 views

Mount a zfs detached mirror NOT rpool, just a disk

I have detached a disk from a non-root zfs pool. I would like to mount this disk and grab some data off. Is it possible to mount this disk temporarily? OS: Solaris 10 u9 How would I go about ...
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0answers
47 views

ZFS eats resources

I am running Ubuntu Server and recently upgraded to 14.04, kernel 3.13.0-24-generic amd 64. I am using ZFS that I installed from the ubuntu-zfs package. It all works, but seems to be really heavy on ...
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0answers
66 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 ...
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0answers
61 views

How to quickly erase all files on a ZFS dataset?

If I need to quickly delete all files on a file system, with UFS I can simply use newfs. Is there something equivalent for ZFS that is neither of cd mount-point; rm -rf * (not really quick) zfs ...
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0answers
267 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
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0answers
35 views

SunOS share to windows with samba

Hy, I'm very new to this OS, so I'll maybe ask some noobie questions. (And need detailed specification :D ) I want to make a zfs share, that are visible on a local network, and reachable by Windows ...
0
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0answers
131 views

ZFS vs existing filesystem for SD-card

I'm thinking that micro SD-cards, because of their high storage density, are probably especially susceptible to bit rot. So I thought I might give ZFS a try. (I'm open to alternatives..) However, I ...
0
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0answers
1k views

Converting LVM/EXT4 to ZFS without losing data

I have a home media server with 2 x 3TB drives in it. Its currently set up using mdraid (1), LVM and EXT4. The setup was done using the ncurses Ubuntu Server installer. Goal Convert the setup to use ...
0
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0answers
38 views

What ZFS-layout for mixed redundancy?

I'm currently planning to update my little home NAS (little Ubuntu Atom system with currently 12TB storage). I need 2 levels of different redundancy: very high level for important personal data, ...
0
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0answers
388 views

FreeNas ZFS Non-Striped Configuration To Maximize Available Space?

I have a 4 disk (2.0TB each) FreeNas setup and I want to maximize the space available for storage. From what I've read that would involve using the stripe configuration, but that also increases the ...