Questions tagged [truenas]
TrueNAS (formerly FreeNAS) is a network attached storage (NAS) server appliance distribution based on the FreeBSD operating system
418
questions
70
votes
16
answers
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Is FreeNAS reliable?
FreeNAS seems like a great product with a full checklist of features, even iSCSI. But how reliable is it? There are a few scary stories about lost data, for example here.
Here is another example.
If ...
31
votes
5
answers
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Converting UTF-8 NFD filenames to UTF-8 NFC, in either rsync or afpd
I have a home file server running FreeNAS 8. A few days ago I used rsync to upload my entire iTunes library from Mac so that I could load my library over the network instead of off a slow USB drive. ...
26
votes
3
answers
121k
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ZFS - Is RAIDZ-1 really that bad?
I have an NAS server with 4x 2TB WD RE4-GP drives in a RAID10 configuration (4TB usable). I'm running out of space (<1TB usable space left). I have $0 to spend on bigger/more drives/enclosures.
I ...
21
votes
3
answers
15k
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Non-ECC memory with ZFS: a stupid idea?
I have a new server and am planning to upgrade the paltry 2 GB of memory to the maximum of 16 GB. (Theoretically 8 GB is the limit, but empirically 16 GB has been shown to work.) Some guides advise ...
21
votes
5
answers
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How to check if RAM is running in ECC mode?
I updated this post since I replaced the processor, but the core of my question (and unfortunately the results as well) are the same.
I built my first FreeNAS box and wanted to use ECC RAM since I ...
19
votes
6
answers
52k
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Need to identify disk in zpool ... how?
I need to replace a bad disk in a zpool on FreeNAS.
zpool status shows
gptid/5fe33556-3ff2-11e2-9437-f46d049aaeca UNAVAIL 0 0 0 cannot open
How do I find the serial # of that disk?
...
16
votes
3
answers
62k
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How to restart web ui on freenas
I've come across a bug with freenas where the web ui (lighthttpd) can freeze up and render the service to hang. Is there an easy way to restart this service via a terminal?
16
votes
5
answers
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How frequently should SMART be run on a disk?
I'm a software engineer, not a system admin, so if this question seems a little green you know why! ;-)
As a personal project I've been working on a home NAS system using FreeNAS. One of the features ...
15
votes
1
answer
5k
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FREENAS: Why isn't mv command instant within a RAIDZ1 volume?
I'm currently 'reorganizing' file structure within a RAIDZ1 volume. Moving directories from one dataset to another, which are both contained on the same volume.
SSH'ed into the machine and did a ...
14
votes
2
answers
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Is it possible to change zfs raid-z1 to raid-z2 or raid-z3 on freenas?
I have a running freenas zfs on raid-z1. For safety i though of increasing parity. Enough spare space is available.
Is it possible to upgrade a zfs raid-z1 to raid-z2 or raid-z3?
thx for your help
13
votes
7
answers
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How to determine which disk failed in a FreeNAS / ZFS setup
I'm building out a FreeNAS based server in a Supermicro X6DHE-XB 3U enclosure with 4G of RAM, 16 SATA hot-swap bays. It comes with 2x8 port 3Ware RAID cards, but I'm planning on just using the ZFS ...
12
votes
2
answers
20k
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Need to replace disk in zpool ... confused
I need to replace a bad disk in a zpool on FreeNAS.
zpool status shows
pool: raid-5x3
state: ONLINE
scrub: scrub completed after 15h52m with 0 errors on Sun Mar 30 13:52:46 2014
config:
...
12
votes
2
answers
65k
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FreeNAS, Do I need 1GB per TB of usable storage, or 1GB of memory per TB of physical disc?
The title says it all. When setting up free NAS, do I need 1GB per TB of usable storage, or 1GB of memory per TB of physical disc?
11
votes
4
answers
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Can I trust that ZFS is consistent between Linux and FreeBSD?
I'm planning to build a FreeNAS box sometime soon, but if ZFS on Linux eventually proves to be reliable, I might want to switch, just to have a more familiar OS.
So I'm wondering if I can trust that ...
11
votes
1
answer
21k
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How to get FreeNAS to spin down disks?
FreeNAS 11.2
I have a USB boot device and 4 hard disks in a ZFS pool. I'd like those 4 disks to spin down when not being accessed, i.e. most of the time.
In Storage -> Disks I set the "HDD Standby" ...
11
votes
2
answers
2k
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How can I determine what permissions my user is missing for receiving a ZFS dataset?
I have a FreeNAS (11.1-U1) and a FreeBSD (11.1-RELEASE-p6) machine. On the FreeNAS I'd like to zfs receive recursive snapshots as a non-root user with delegated privileges. This appears to work well ...
10
votes
3
answers
24k
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ZFS Pool with Different Drive Sizes
I am planning on setting up a FreeNAS ZFS pool using two 2 tb drives and two 1tb drives. I would like to have data redundancy somehow. I read this post which seems to suggest my two options are to ...
10
votes
3
answers
6k
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HP Microserver Mini-SAS Cable
I just purchased an HP Microserver I was planning to use with FreeNAS. It needed more RAM, so I tried to follow the instructions to pull out the system board draw to access the DIMM slots. Doing so ...
10
votes
4
answers
20k
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zpool status reports error ... what next?
On our FreeNAS server, zpool status gives me:
pool: raid2
state: ONLINE
status: One or more devices has experienced an unrecoverable error. An
attempt was made to correct the error. ...
10
votes
1
answer
64k
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How do you mount an NFS Share in Windows 7?
I have FreeNAS exposing an NFS. How do I access this from Windows 7? I have enabled the "Services for NFS" within Windows Features.
10
votes
1
answer
7k
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How can I get FreeNAS and pfSense to report more using SNMP?
I have two servers which run variants of FreeBSD: One is a pfSense router and one is a FreeNAS 8 server. Both these servers run SNMP, and I am collecting and graphing their information using a third ...
9
votes
3
answers
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ZFS volume as ISCSI target
I'm looking into ZFS and using FreeNAS for ZFS management and have the following question:
Do the ZFS advantages as deduplication, auto error fixing etc still work when creating an iSCSI target on a ...
9
votes
1
answer
783
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Finding which process is reading from disk constantly on FreeBSD
EDIT: This ended up being a scrub process. Run zpool status -v and read the scan status for your pool clearly.
I have a TrueNAS server running FreeBSD and this morning at 12 AM the disks started to be ...
9
votes
2
answers
4k
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zdb doesn’t recognize my pool?
On my freenas server, zpool status tells me I have 2 zfs pool : data & freenas-boot :
% zpool status
pool: data
state: ONLINE
scan: scrub repaired 0 in 0 days 04:16:16 with 0 errors on Mon ...
8
votes
1
answer
1k
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Offline uncorrectable sectors in SSDs being used for ZFS L2ARC?
I have two enterprise-grade SSDs that I've been using for L2ARC in an OpenZFS pool for a few years. Workflow during this time has been fairly heavy, with lots of reads and writes, serving up video to ...
8
votes
2
answers
601
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Array free space requirement
The general rule of thumb is don't use more than 80-85% of your capacity, otherwise performance degrades sharply, and other bad stuff may happen.
On a 8TB array, this comes out to around 1.6TB of ...
8
votes
2
answers
7k
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2012R2 Storage Spaces Memory and CPU requirements
I am looking at possibly using Storage Spaces in Server 2012R2 to build a NAS off of. I am looking to build a fairly large unit, 12-14 HDDs, in a "RAID10" like setup (I know storage spaces does not do ...
8
votes
4
answers
7k
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Is FreeNAS ready for the enterprise?
I am having a bit of split in thought.
I am looking at getting a NAS for my company, we need it for our VMware server.
Originally the idea was to buy a NAS (a Netgear ReadyNAS)
But then I got some ...
8
votes
3
answers
15k
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It is possible to put FreeNAS as Auth Server (SMB or LDAP), File server and Ubuntu as "Client" (Kerberos auth-pam)?
I want to configure my FreeNAS server as authentication server (user FreeNAS local user's to auth into ubuntu clients) and NAS server, of course. I have Ubuntu as clients and they are booting over ...
8
votes
1
answer
3k
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ZFS vdevs accumulate checksum errors, but individual disks do not
I'm running a vendor-specific derivative of FreeNAS 9.3.
My trouble started when I installed a new JBOD chassis to add two new vdevs into my pool, and the chassis had a bad board. During this time, I ...
8
votes
3
answers
4k
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"zpool replace" hangs and locks up the pool
Given my four disk RAIDZ1, one disk has become physically noisy, not producing errors yet, but not sounding healthy either. So I've chosen to pre-emptively replace it.
I have done:
zpool offline ...
7
votes
3
answers
4k
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Copying terabytes of hundreds of thousands of files in folder slow
I am currently running FreeNAS and using SMB 3 on windows machines to copy folders with 80000+ files that are all about 35MB each. Here is the config
FreeNAS
2x40Gbps connections bonded
connection ...
7
votes
2
answers
9k
views
How can I mount a UFS drive in linux?
I am considering switching from FreeNAS to OpenFiler. One issue I see with this is that all the hard drives in my NAS are formatted to UFS. I tried but was unable to mount them in Fedora. Is there any ...
7
votes
1
answer
1k
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Data missing after ZFS replication on FreeNAS/TrueNAS
In order to use the new encryption method in TrueNAS 12 I copied all data from a legacy encrypted FreeNAS pool to a newly formatted pool via a replication task.
After replication there seems to be ...
7
votes
1
answer
441
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FreeBSD undo uppercase characters in username
I set up a FreeNAS box a while ago and against better judgement, used an uppercase character when creating my username. This has led to a directory called George.
Now, when I later read that ...
7
votes
3
answers
12k
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On FreeNas what is the difference between the "Permission Type" and the "Share Type" setting?
On FreeNas when creating a new dataset, I am presented with an option for Share Type
Later, in a different dialog, when editing permissions of the dataset, I am presented with an option for ...
7
votes
1
answer
25k
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OpenVPN Server hangs at "Initialization Sequence Completed"
I have been trying to get an OpenVPN server setup on FreeNAS (not the most straight forward choice, I know) and have run into a puzzling error. It seems that the server is hanging after the "...
7
votes
2
answers
17k
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zpool import: volume FAULTED with corrupted data, is it possible to save some data?
I was using Freenas 8.2 and decided to upgrade to 9.2. All seem to go well, upgraded zfs to 28 and rebooted. During next boot it seem to take forever and at some point I decided to turn off the ...
7
votes
1
answer
2k
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FreeNAS ZFS Kernel Panic
I'm running FreeNAS 8 and my computer had a hard reset from a power outage and now every time I try to boot I get the following error message:
Error Message: panic: zfs_replay_acl_v0:898: unsupported ...
6
votes
5
answers
18k
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Free space on ZFS file system unexpectedly missing
Going to completely rephrase this question since it's still an outstanding production issue several months later.
I have a FreeNAS 0.7.2 box, based on FreeBSD 7.3-RELEASE-p1, running ZFS with 4x1TB ...
6
votes
5
answers
8k
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BSD - Remove non-ascii characters from all files in a directory recursively
I'm trying to migrate a bunch (300GB+) of files from a FAT32 drive to my freeNas ZFS filesystem but every command I throw at it (tar,pax,mv,cp) throws an 'invalid argument' when it encounters a non-...
6
votes
4
answers
14k
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What is Best NAS solution for windows workgroup? freenas or openfiler
we have small network of 15 computer. we want to store data in nas box with raid configured so that it can be accessed by all users. it will be document, excel, pdf and database files.
what is best ...
6
votes
2
answers
34k
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Expanding a FreeNAS RAIDZ Pool
I am building a ZFS data server using FreeNAS. I have enough hard disk space (4x2TB) for a few years, but if down the road I want to expand this out can i build another 4xHD pool? Would i need ...
6
votes
2
answers
24k
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grow/shrink a zfs RAIDZ
I'm going to build a freenas server, would like to make sure what I can do with such magical and advanced zfs.
If I have 5 * 3TB disks in RAIDZ (12TB storage in total), now I am trying to add another ...
6
votes
1
answer
6k
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FreeNAS: Renaming a zpool
Now that our server is set up, I would like to rename our zpools.
I read somewhere that the way to do this is export & re-import under the new name. But will all my mount points and shares remain ...
6
votes
2
answers
1k
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Is FreeNAS 8 ready for production? or Any sugg. for a free fileserver?
I need a free fileserver solution mixed Mac/Win environment for the small print shop I work at. We are having problems with using SMB on OS-X (file w/o extensions are getting lost and weird SMB lag ...
6
votes
1
answer
2k
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FreeNAS vs OpenIndiana in terms of speed, driver availability, robustness?
This question related to NexentaStor vs FreeNAS
and Is FreeNAS reliable?
I have been using OpenIndiana / Illumos as the OS for my self build NAS.
There is nothing much to it:
Created ZFS on the ...
5
votes
2
answers
8k
views
How can I monitor HP P410 hardware RAID degraded in Freenas
I would like to run freenas on a HP P410 hardware RAID 5 4x600GB 15k SAS array and be alerted in the case of physical disk failure, however the freenas documentation says:
to prevent problems, do ...
5
votes
5
answers
37k
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Disk IO slow on ESXi, even slower on a VM (freeNAS + iSCSI)
I have a server with ESXi 5 and iSCSI attached network storage. The storage server has 4x1Tb SATA II disks in Raid-Z on freenas 8.0.4. Those two machines are connected to each other with Gigabit ...
5
votes
2
answers
12k
views
What is a "hot spare" on FreeNAS?
What is a "hot spare" with regard to ZFS RAIDZ on FreeNAS?
I'm hoping that it means an extra, attached disk that can automatically take over for a failed disk in the RAID ... ?
If so, how do I set ...