Nexenta is a Unix-based storage appliance operating system centered around the ZFS filesystem.

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Ubuntu client can't mount Nexenta NFS

I have a Nexenta storage box (Solaris), which exports an NFS share. Mac OS X and older Ubuntu clients can mount the NFS share just fine without any special options. Later version of Ubuntu simply ...
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7answers
4k views

Anybody have experience with using Nexenta? [closed]

I'm evaluating the Nexenta platform to hopefully one day replace our legacy file servers. I would primarily use it as a CIFS server in an Active Directory environment. Anyone out there have any ...
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5answers
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Handling XenServer snapshotting and cloning with ZFS SAN

I'm planning on setting up a XenServer machine that uses a NexentaOS/ZFS-based SAN for storage of the Virtual Disk Images (VDIs) through iSCSI. I know I could just setup a big Storage Repository (SR) ...
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2answers
3k views

HP ProLiant DL380 G4 SATA support?

I'm planning to get a second hand HP Proliant DL380 G4 and setup it as storage server, probably using NexentaStor and setup a ZFS system. But now I wonder does DL380 G4 can be convert or support SATA ...
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3answers
877 views

Nexenta/OpenSolaris filer kernel panic/crash

I've an x4540 Sun storage server running NexentaStor Enterprise. It's serving NFS over 10GbE CX4 for several VMWare vSphere hosts. There are 30 virtual machines running. For the past few weeks, I've ...
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1answer
765 views

NexentaStor: how to partition SSD disk?

I'm trying to set up some homegrown storage using a desktop motherboard, 4 x SATA drives and 2 x SSD drives. I'd really like to use NexentaStor for its nice web interface and for it is some ...
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1answer
171 views

NexentaStor 3.1.5-GA (community ed) won't boot from a CD

I can boot from 3.1.5-GA ISO into a VirtualBox VM. But when I boot from a bootable CD, it stops at "Grub Stage2", and then drops me into a grub rescue shell after a few seconds.. I know very well how ...
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3answers
5k views

Tuning ZFS scrubbing, 141KB/s running for 15 days

A pretty basic system running mirror+stripe on 7.2k rpm sas disks, not particularly loaded. No dedup, compression on all datasets. Scrub has been running for 15 days at the speed of a dead snail. Is ...
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1answer
189 views

Nexentastor CE on Supermicro X10DRL-I

I'm writing here because after 3 hours i'm still not able to install NexentaStorCE on my brand new server. The hardware configuration is: Supermicro x10drl-i Xeon E5 2609V3 16GB DDR4 Kingston I'm ...
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2answers
158 views

Nexenta - unknown trap type 8 in user mode

I'm trying to install NexentaStor 3.1.4.1 on Ubuntu 12.04 LTS KVM on AMD64 platform. During the install I encounter the following exception : "unknown trap type 8 in user mode" Can anyone point me ...
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4answers
5k views

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 ...
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4answers
1k views

NFS IO priority on ZFS/Solaris

I've got a Nexenta/ZFS NAS that I'm using as an NFS backing store for a small VMware vSphere farm. At the moment I have 9x1TB disks all mirrored (last disk is configured as a write log device). The ...
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3answers
4k views

When using thin-provisioning with ZFS, how do you make sure you don't run out of physical disk space?

Forgive me if this seems like a fundamental question, but I couldn't really find anything concrete on Google, and I'm not a system administrator by trade. We are setting up a SAN at our office using ...
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1answer
793 views

ZFS, NFS and Nexenta

Is this message familiar to someone ? zfs-clu-01a rpcmod: [ID 851375 kern.warning] WARNING: svc_cots_kdup no slots free zfs-clu-01a last message repeated 75220 times We have a lot of trouble ...
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1answer
54 views

Prevent NexentaStor analytics page from timing out

NexentaStor has a handy profiling interface that serves as a front to certain dtrace scripts. It's handy for monitoring realtime IOPS or I/O throughput of the appliance. Unfortunately, this interface ...
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1answer
696 views

Disk replace breaks disk naming convention in zpool

After replacing two broken disks in my RAID-Z2 pool, the output of zpool status looks strange. The disks are addressed with their full path and also seem to contain 'slices', which all other disk ...
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2answers
1k views

size the write cache ZFS

I would like to add a write cache to my Nexenta. I thought about using 2 SSDs in mirror with a third disc in spare. The problem is: How do I calculate the size of my array to maximize the investment ...
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1answer
368 views

How to Set up Amazon EC2 with Nexenta OS?

I want to use Nexenta os for testing purpose and really want to test it out over aws ec2. I couldnot find any Nexenta os ami's. So, i was wondering if there's any way to set up Nexenta os on aws ec2 ...
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1answer
431 views

How to fetch current l2arc_max_write setting on Illumos?

I am trying to tweak my ZFS pool, but in order to do this I would like to know the current l2arc_max_write setting. I know the default is 8 MB/s, but I can't find the actual value. I have tried to ...
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1answer
426 views

Add nexentastor to domain (ldap/samba)

I have PDC on LDAP/SAMBA 3.x on CentOS 5. Domain memberships - Linux/Windows (Xp..7). For add computer account in PDC i run (on PDC) smbldap-useradd -w workstationname on the linux, configure ...
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1answer
11k views

Hosting a ZFS server as a virtual guest

I'm still new to ZFS. I've been using Nexenta but I'm thinking of switching to OpenIndiana or Solaris 11 Express. Right now, I'm at a point of considering virtualizing the ZFS server as a guest within ...
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1answer
357 views

Multi Port Fibre Channel Target with qlogic qle2462 to increase speed

I have a server running Nexenta with a QLogic QLE2460 in target mode. This works great. My problem is that with that I only get 1 port worth of speed (4gbps) to my switch. How can I increase the ...
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1answer
50 views

nexenta and the free access to web interface

In nexentastor default intallation any users that knows the ip can connect to it and access in read-only mode to the web interface In my opinion this can rappresent a problem because anyone can read ...
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1answer
325 views

ESXi and link aggregation to another system

Can I aggregate two or more interface on ESXi 5.1u1 to connect (without a switch) another system that support this type of connection? I want create a back-to-back link aggregation as like descripted ...
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2answers
855 views

Suggestions for a NAS for VMware storage [closed]

I have been looking at Openfiler, and it appears to be a great open-source solution. I haven't seen very much documentation on limitations of OF. We are by no means a Fortune 500 company (yet:) so our ...
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2answers
913 views

Why did I experience checksum errors with a ZFS filesystem on an ESXi RDM?

I have a VMware ESXi 4.1 server which I recently added 2x1TB SATA drives to. This machine runs a NexentaStor Community VM which hosts ZFS filesystems. Before adding the new drives, all the ZFS zpools ...
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1answer
615 views

Why is MySQL unable to open hosts.allow/hosts.deny?

I have a storage server running Nexenta (OpenSolaris kernel, Ubuntu userspace) with MySQL on top of a ZFS storage array, using innodb_file_per_table and ulimit -n set to 8K. mysqltuner.pl confirms ...
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1answer
2k views

Install MegaCli to Monitor Perc 5/i in Nexentastor 3

I have a Dell 2950 with a Perc 5/i Raid controller that we've already installed Nexentastor 3 Community Edition on. We setup a raid-10 array that and put a ZFS pool on top of the hardware. As I ...
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1answer
928 views

What would cause a Windows 7 client machine to not be able to connect to a network share by IP address?

We have a Nexenta file server which is using domain authentication for users. All of the Windows 7 machines on our network can connect and use the shares on it without any issues using either ...
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3answers
2k views

Undelete ZFS file shared by Samba

A user deleted a directory containing an important file over a Samba share. Share was from a Nexenta box running ZFS, raid-Z3. Last backup was 12 hours ago - is there a way to recover the 1 day's ...
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423 views

Error sh: line 9: 19705: Memory fault (coredump) in case of OpenSSH installation

I downloaded openssh-6.1.p1/tar.gz with http://mirror.corbina.net/pub/OpenBSD/OpenSSH/portable/. I made at first ./configure, then make which, it seems, fulfilled without errors (Nexenta Illumos ...
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6answers
7k views

NexentaStor CE or Openfiler? Which do you recommend? [closed]

I'm planning to implement a 'poor man's storage' using Openfiler or NexentaStor CE. I need the filer solution to provide iSCSI target and CIFS sharing abilities. The iSCSI target and CIFS share will ...
3
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3answers
2k views

Problems configuring an SSH tunnel to a Nexentastor appliance for use with headless Crashplan

Problem I am attempting to configure an SSH tunnel to a NexentaStor appliance from either a Windows or Linux computer so that I can connect a Crashplan Desktop GUI to a headless Crashplan server ...
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1answer
169 views

Zpool list showing blank values

My problem is that when I call zpool list it gives this blank output.... NAME SIZE ALLOC FREE CAP DEDUP HEALTH ALTROOT - - - - - - - - However a zfs ...
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2answers
102 views

One server - Safe storage in esxi

I got a esxi server with 2x 3tb HDD these 2 disk are not in raid , so i got 2 data stores my vms use one datastore or the other as system disk I would like to have a safe storage place shared ...
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1answer
4k views

ESXI Crash need help to understand log and support about nexentastor on virtual machine

If i understand right, the following core dump means that the cpu4 has crashed the Host if i read the next line it seem that at the time the CPU 4 was assigned to the NexentaStore Vm ... SO if im ...
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3answers
717 views

Multiple VLAN on one switch port

I have a HP ProCurve 1810G-8 which I currently use as a normal switch between 3 servers and a firewall. 2 of the servers are ESXi hosts, and one is a Nexentastor box with 2 iSCSI target LUNs. As the ...
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3answers
3k views

Disk names in Solaris 10 for ZFS: SAS WWN instead of c0t0d0

I currently have a server running Solaris 10u9 with a SAS enclosure (Dell PowerVault MD1000) filled with SATA disks attached to an SAS card (LSI 3801E). It happily recognizes the 15 disks in the ...
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2answers
2k views

ZFS - destroying deduplicated zvol or data set stalls the server. How to recover?

I'm using Nexentastor on a secondary storage server running on an HP ProLiant DL180 G6 with 12 Midline (7200 RPM) SAS drives. The system has an E5620 CPU and 8GB RAM. There is no ZIL or L2ARC device. ...
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1answer
757 views

How to set up IP forwarding on Nexenta (Solaris)?

I am trying to set up IP forwarding on my Nexenta box: root@hdd:~# uname -a SunOS hdd 5.11 NexentaOS_134f i86pc i386 i86pc Solaris The box has 2 network interfaces: root@hdd:~# ifconfig -a lo0: ...
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2answers
365 views

Upgrade Nexenta to Solaris Express?

I've had a NAS built on Nextenta that has worked great for a while. However, I'm looking to upgrade the NAS to run Solaris Express 11 as it's better support by my company's IT department, as well as ...
4
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1answer
3k views

ZFS (NexentaStor) and 4k Advanced Format Partition Alignment

I have a storage system that contains 8 x 1TB drives that use the 4k sector size "Advanced Format". I'm planning to run NexentaStor on this hardware and want to ensure that I'm taking the 4k sector ...
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1answer
2k views

How do physical disks passed through ESXi perform vs. passing through HBAs?

Context: I have a SAN operating system (Nexenta) that runs on ESXi. It has a couple of HBAs passed through to it already, via VT-d. All of the HBAs for the SAN OS are full (no free connectors). I ...
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2answers
1k views

How can I rate limit/packet shape/traffic shape on Solaris

I have an TCP server application running on a Nexenta NCP 3 box. I would like to limit how much outgoing bandwidth it can use. Is it possible in Solaris to rate limit an application like I can in ...
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2answers
3k views

Why is Nexentastor so slow - especially to delete files

I am running a Nexentastor server with the follow specs: dual core (core2duo) cpu 4GB of ram 1x 160GB SATA2 drive for the OS 6x 1.5TB Drives Sata2 drives in a RaidZ1 copying files is fine, fairly ...
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3answers
2k views

Backup storage server with ZFS

I am IT everything man at a small company. I want to design a new infrastructure including a new server and a separate backup server with company wide backup policy. The most important thing in the ...
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1answer
275 views

Nexenta storage metro cluster - what are components involved?

As Nexenta is built on Illumos, a successor of OpenSolaris, I was wondering what components are involved in their storage metro clustering? Can anybody enlight me as to what components are doing ...
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1answer
325 views

Nexenta, NFS and LOCK_EX

I'm currently using an LAMP architecture and I expect a big problem :( I have several http web server using PHP5. All are mounting via NFS (v3) the directory for all the hosted websites. The file ...
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0answers
469 views

3ware 8506, Solaris (Nexenta Core) and the tw driver: driver (tw) successfully added to system but failed to attach

I've got a little Nexenta Core box at home that's doing NAS duties. Recently, I bought a second hand 3ware 8506 12-port SATA controller to go with the Supermicro AOC-SAT2-MV8 controller that I already ...
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3answers
905 views

scalable storage solution using ZFS: OSOL / Nexenta?

some one commented that ZFS is not a distibuted file system and thus more suitable for storage from a box than a cluster. is it possible to start small as NAS with Nexenta / opensolaris and scale up ...