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Questions tagged [nexenta]

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

The OpenSolaris kernel (including ZFS, CIFS and NFS Servers) is paired with with a GNU/Debian user experience and apt package management. Nexenta Systems Inc makes three versions available:

  • Nexenta Core Platform (text-based UI, community/forum supported, 100% open source)
  • NexentaStor Community Edition (WebUI, community/forum supported, 12TB limit)
  • NexentaStor Enterprise (WebUI, commercial support, licensed per-TB of raw storage capacity)

Nexenta also offers additional capabilities (HA, DRS, FC Target, WORM, Windows backup, etc) via commercial plugins for NexentaStor.

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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 (of course I do not want to spend much money in…
CSG
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NexentaStor CE or Openfiler? Which do you recommend?

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 later be mounted as XenServer Storage…
pepoluan
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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 size into account. Is there anything special I need…
ewwhite
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Booting Nexenta root mirror results in GRUB error "Filesystem type unknown, partition type 0xbf"

I have a Nexenta system that's been running fine for the last few years. Recently one of the system disks failed --- the syspool was part of a ZFS mirror. If I configure the system's BIOS to boot from the working drive, the text GRUB ("GRUB"…
smokris
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Nexenta After the Death of OpenSolaris

We are thinking of evaluating Nexenta for a Tier 2 storage solution. It looks great, but I have doubts over its future after the demise of OpenSolaris. I know that Nexenta uses an OpenSolaris kernel and ZFS. Now that OpenSolaris is no more, will…
SvrGuy
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ZFS - how to partition SSD for ZIL or L2ARC use?

I'm working with a Sun x4540 unit with two pools and newly-installed ZIL (OCZ Vertex 2 Pro) and L2ARC (Intel X25-M) devices. Since I need to keep these two pools in the near-term, I'd like to know how to partition these devices to serve both pools…
ewwhite
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How do I login to Nexenta in Expert Mode?

When I login to the a Nexenta machine via SSH I have to type the following commands: nmc@nexenta:/$ option expert_mode=1 nmc@nexenta:/$ !bash You are about to enter the Unix ("raw") shell and execute low-level Unix command(s). Warning: using…
Harley
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cannot import a zpool volume : I/O error

this is on nexenta open storage. I have a zpool that is in UNAVAIL state because of some disks. # zpool import -F pool: delta id: XYAZA state: UNAVAIL status: One or more devices are missing from the system. action: The pool cannot be…
Nikhil Mulley
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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 production-ready status, but I also want to use ZIL and…
Alexander
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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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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 recently purchased some SATA SSDs for Nexenta and…
Zac B
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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 running on the Nexenta box, according to these…
Rob Smallshire
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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) on the SAN and let XenServer take care of…
Alex
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Nexenta under KVM?

I have an Ubuntu Server running KVM. I'd like to get the benefits of ZFS so I was thinking of installing a virtual machine under KVM running Nexenta (or NexentaStor), allowing that virtual machine to have raw access to a couple of physical hard…
Nick
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nexenta and hotswap sas disks. cfgadm not working properly

There is a problem with the hot-swap SAS drives. Initial data: Nexenta 4.0.2 Server-based Supermicro (MB S5520HC, internal RAID controller RMS2LL080/LSI 2008), 12 HDD SAS 300G 10 HDD SATA 1T, 2 SSD 160G. Disks are divided into three pools: System…
Denis Kovrov
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