Questions tagged [nexenta]

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

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ZFS - is it safe to remove files served by ZFS during a resilver/rebuild?

I have a Nexenta ZFS system serving a large NFS volume (using ~85% of 250 TB). One of the 70 disks failed over a week ago, and the system is resilvering a hot spare without issues (other than the ...
ascendants's user avatar
3 votes
1 answer
2k views

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 ...
Nikhil Mulley's user avatar
5 votes
2 answers
660 views

Nexentastor 4: lost connection to storage and web interface

I have a server that runs nexentastor version 4. I use web interface to manage it. The server has been working on production environment for about two years with no issues until last week - where I ...
ymsarts's user avatar
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5 votes
1 answer
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Missing space on ZFS (Nexenta)

I am facing an issue where ZFS appears to be missing around 4TB of space on a 16TB volume. The ZFS pool is reporting the correct size (16.3TB): nmc@thn-nstor1:/$ zpool list NAME SIZE ...
btongeorge's user avatar
2 votes
0 answers
515 views

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 ...
Denis  Kovrov's user avatar
2 votes
2 answers
893 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 ...
CSG's user avatar
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3 votes
1 answer
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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 ...
Alexander's user avatar
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4 votes
1 answer
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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 using ...
Givre's user avatar
  • 59
1 vote
1 answer
110 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 ...
ewwhite's user avatar
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1 vote
0 answers
370 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 ...
Junaid's user avatar
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4 votes
2 answers
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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 (...
CSG's user avatar
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1 vote
1 answer
957 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 ...
Jeroen's user avatar
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0 votes
1 answer
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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 smb....
Anton Shevtsov's user avatar
1 vote
1 answer
862 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 ...
CrazyDart's user avatar
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2 answers
321 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 ...
user175100's user avatar
1 vote
1 answer
351 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 ...
CSG's user avatar
  • 737
0 votes
1 answer
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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 ...
CSG's user avatar
  • 737
16 votes
4 answers
20k 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 ...
3molo's user avatar
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2 votes
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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 don'...
b2c's user avatar
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6 votes
2 answers
2k 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 ...
Josh's user avatar
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1 vote
1 answer
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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 \XX.YY....
Benjamin Peikes's user avatar
2 votes
1 answer
2k 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 ...
HonoredMule's user avatar
-2 votes
2 answers
124 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 ...
Bgnt44's user avatar
  • 145
2 votes
1 answer
9k 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 ...
Bgnt44's user avatar
  • 145
1 vote
3 answers
2k 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 ...
Darbio's user avatar
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1 vote
1 answer
2k views

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 ...
Simon's user avatar
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3 votes
1 answer
2k 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: ...
Gleb's user avatar
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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 ...
Awalias's user avatar
  • 154
3 votes
1 answer
3k 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 ...
Zac B's user avatar
  • 841
9 votes
3 answers
5k 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 ...
Krystian Lieber's user avatar
1 vote
1 answer
531 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 ...
Givre's user avatar
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1 vote
1 answer
579 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 ...
deadpoet's user avatar
0 votes
1 answer
387 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 ...
jirib's user avatar
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7 votes
2 answers
7k views

HP ProLiant DL380 G4 SATA support? [closed]

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 ...
hoon's user avatar
  • 71
23 votes
1 answer
22k 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 ...
osij2is's user avatar
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1 vote
0 answers
630 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 ...
growse's user avatar
  • 8,050
0 votes
2 answers
302 views

Why does Nexenta seem to ignore my /etc/system settings?

I am trying to tune my NFS performance, but for some reason nexenta is ignoring whatever I specify in /etc/system. In the following screen shot it becomes apparent that my manual settings are not ...
cmaduro's user avatar
  • 239
1 vote
2 answers
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 ...
Peter Valadez's user avatar
1 vote
3 answers
5k 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 ...
xddsg's user avatar
  • 3,452
0 votes
5 answers
344 views

Desktop HDD in a server? [duplicate]

Possible Duplicate: What are the merits of SAS vs SATA drives? Would it be OK to use a SATA 6Gb/s desktop drive in a server? Say for example a 4 Seagate ST31000524AS drives in a raid 10 array. I ...
cmaduro's user avatar
  • 239
3 votes
3 answers
3k 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 ...
Rob Smallshire's user avatar
1 vote
2 answers
1k views

Can we "add" more SAS ports to an existing backplane?

We have a 3U Supermicro chassis with 16 bays on a SAS expander backplane. We have 15 of the bays occupied with hard drives at the moment. We would like to add two more drives to the backplane, but we ...
zippy's user avatar
  • 1,718
7 votes
3 answers
10k 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 ...
Mike Spross's user avatar
0 votes
2 answers
499 views

Acquiring new servers to run ESXi and SAN/NAS

Here is our goal: Setup new servers to turn our entire physical computer network into 3 physical groups, which are: Server 1 - NAS - Openfiler/NexentaStor CE/FreeNAS/(Other Suggestions) Server 2 - ...
1 vote
3 answers
2k views

Is it possible to limit folder size in NexentaStor Community Edition

For example if i have a 4TB ZFS Volume, is it possible to create 3 folders and then limit each folder to, say, 2GB. If so, how? I have googled hard and wide but to no avail - all i get is info on the ...
James Butler's user avatar
8 votes
4 answers
7k 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 ...
AtomicPorkchop's user avatar
6 votes
2 answers
898 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 ...
Chase's user avatar
  • 472
4 votes
6 answers
8k 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 ...
pepoluan's user avatar
  • 5,108
10 votes
3 answers
8k views

ZFS - Impact of L2ARC cache device failure (Nexenta)

I have an HP ProLiant DL380 G7 server running as a NexentaStor storage unit. The server has 36GB RAM, 2 LSI 9211-8i SAS controllers (no SAS expanders), 2 SAS system drives, 12 SAS data drives, a hot-...
ewwhite's user avatar
  • 198k
4 votes
1 answer
4k 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 ...
ewwhite's user avatar
  • 198k