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

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2answers
541 views

zpool import with missing cache device

Was going to try SmartOS, partially because I was not satisfied with FreeNAS for my usage. Created new zpool on old cache drive for SmartOS zones. That was all just backstory. The point is that now ...
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2answers
2k 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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2answers
20 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 ...
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2answers
53 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 ...
3
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1answer
66 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
228 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
349 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: rpool/ROOT/...
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1answer
192 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
31 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
1k 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 ...
0
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1answer
19 views

Performance impact of SATA II over SATA III for ZFS?

I have a bunch of WD RE4 disks I got from a place that I worked. The drives are 3Gbps SATA II interface. I was going to use them in a server I am building for myself to act as a NAS / SAN for my ...
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1answer
27 views

Weird speed measurement of ZFS over AFP file copy

I've been checking how fast is my ZFS storage server. I have some big files (>30 GB) and I've been using dd piped to /dev/null to check read speed. When running dd for a specific file for a first ...
0
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1answer
462 views

What is the best way to setup separate FreeNAS jails/plugins using separate datasets?

I am running FreeNAS-9.3-STABLE-201512121950 from a USB stick in VirtualBox on a Mac Mini Server (late 2012 - Macmini6,2) running OS X El Capitan. Quad-core i7, 16G RAM, with 8G and 2 procs devoted ...
0
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1answer
82 views

Does ZFS make sense as local storage?

I was reading about ZFS and for a moment thought of using it in my computer, but than reading about its memory requirements I thought twice. Does it make sense to use ZFS as local storage or this ...
0
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1answer
413 views

How to add an additional drive to an existing ZFS RAIDZ-1 in Proxmox?

I've a ZFS installation in Proxmox, in particular a RAIDZ-1 file system, for testing purposes (before going on production with this setup) I've added a new drive to the machine, but I'm blocked on ...
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1answer
163 views

How can I get the ID of an online disk in a ZFS pool?

I rotate physical disks in and out of my mirrored ZFS zpool (using ZoL) to use for offsite backups; to help streamline the process I've been using udev rules to respond to the drives being swapped. ...
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1answer
109 views

Solaris ZFS Mirroring - is different stripe widths valid?

I have found many articles about using ZFS mirroring with different sized disks, and it appears to be possible to grow a mirror by using larger disks. Is it possible to consolidate a stripe onto ...
0
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1answer
87 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 ...
0
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1answer
193 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
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1answer
510 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
388 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
348 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 ...
0
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1answer
2k 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 ...
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0answers
209 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 ...
5
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0answers
772 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 ...
3
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0answers
7k views

Setting up an email alert when ZFS disk fails on FreeNAS

I am trying out FreeNAS 0.7.2 Sabanda (revision 5226) with 4x1TB disks, single parity ZFS RAID. While the email reports built into FreeNAS are good, I was wondering if there was a way I could get it ...
2
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0answers
74 views

Import zpool with one unknown missing vdev_children.

My raid-z zpool was in degraded mode, I have added a new disk in the zpool with the command: zpool add -f uhuru-test da3 The problem is that da3 have been accidentaly erased and now uhuru-test ...
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0answers
210 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 /etc/portage/...
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0answers
129 views

Why does ZFS slow down making large files after 2.4 gig?

Zfs on linux, I'm making a large tar file, I'm watching it add to the file, and it goes very quickly, until it hits 2.4gig in size, then it just crawls, for hours. The same file on ext4 has no ...
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0answers
100 views

ZFS not writing continuously to array

Preface: I'm by no means an expert Linux user, but I've played with Linux enough to be dangerous. I'm building a personal server, basically just to use as storage for video and photos. Current specs ...
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0answers
134 views

SSD's or HDD's in a LANcache?

I am building a LANcache for a lanparty that I'm organizing. We have about 80 visitors (pretty small LAN), but our uplink is limited to 100mb/s due to reasons and it's constantly saturated with game ...
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0answers
256 views

Ubuntu hangs at startup due to zfs

I installed zfs-on-linux to my virtual Ubuntu LTS server years ago via PPA. The system resides on a VMware Workstation 10 in Windows 8.1. The working ZFS/SPL versions installed are 0.6.3. It has ...
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0answers
1k views

FreeBSD - Samba4 ignoring ZFS ACLs

I have a server running PC-BSD (FreeBSD) 10 and purely ZFS storage. I have created a jail with Warden and installed Samba 4. I have provisioned a domain, using the options for ntvfs and rfc2307 as ...
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0answers
853 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
258 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
4k 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 ...
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0answers
330 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
240 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
124 views

testing ZFS - how to destroy an UNAVAIL pool without reboot

I am testing ZFSonLinux and i have an experimental pool named usbcka. There is only testing data. I am simulating HW failure to deterimine behaviour in this scenario. I know this setup has no ...
0
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0answers
57 views

zfs send stream much bigger than predicted by “dry run”

Im running daily offsite backups of my ZFS system using incremental zfs send directed through ssh using buffer to buffer the stream and monitor its progress. I can estimate the size of the transfer ...
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0answers
249 views

FreeNas single disk ZFS Pool Volume no longer mounts, HDD is 100% SMART ok, need help recovering data

I'm facing a huge issue with a small NAS i have at work. I've made the NAS a few months back as a test, but since then it's full of important data, a lot of which not backed up anywhere else. This ...
0
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0answers
93 views

Grub2 support for ZFS

I have installed PCBSD on my machine with Ubuntu on it with the intension of dual booting. However, the grub install during the installation fails. I would like to set up a custom grub script to load ...
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0answers
51 views

OpenZFS ACLs on OSX

I mistakenly did a chmod ug+rwX rather than chmod ug=rwX and have now gained a host of ACLs on the folder and I cannot get rid of them. It is really screwing things up with shared use and rsync to NAS ...
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0answers
139 views

zfs on x86_64 on qemu on raspberry pi

I find when you try to ask for help for a bizarre problem, somebody inevitably tells you to solve your problem a different way, or they want to know what problem you REALLY want to solve, so here's my ...
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0answers
446 views

ZFS for file sharing between Ubuntu and OSX with auto mount

I want to use a ZFS volume to share files between Ubuntu and OSX on a dualboot configuration. At this point everything is working nicely except for the fact that I have to: zpool export MyPool ...
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0answers
103 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
656 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 ...