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

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3
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1answer
544 views

NexentaStor: how to partition SSD disk?

I try to setup some handmade storage made of 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 ...
2
votes
1answer
532 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 ...
1
vote
1answer
46 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 ...
1
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0answers
108 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 ...
2
votes
2answers
716 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 ...
1
vote
1answer
325 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 ...
0
votes
1answer
322 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 ...
1
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1answer
297 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 ...
0
votes
2answers
119 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 ...
1
vote
1answer
45 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 ...
0
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1answer
249 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 ...
8
votes
3answers
4k 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 ...
2
votes
1answer
548 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 ...
6
votes
2answers
747 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 ...
1
vote
1answer
759 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 ...
1
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0answers
364 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 ...
2
votes
1answer
536 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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votes
2answers
101 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 ...
2
votes
1answer
3k 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 ...
0
votes
3answers
625 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 ...
0
votes
1answer
822 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 ...
3
votes
1answer
586 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: ...
0
votes
1answer
137 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 ...
3
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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 ...
8
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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 ...
1
vote
1answer
269 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 ...
1
vote
1answer
298 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 ...
0
votes
1answer
251 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 ...
6
votes
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 ...
16
votes
1answer
8k 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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0answers
427 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 ...
0
votes
2answers
232 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 ...
1
vote
1answer
1k 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 ...
1
vote
3answers
1k 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 ...
0
votes
5answers
162 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 ...
3
votes
3answers
1k 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 ...
1
vote
2answers
481 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 ...
4
votes
3answers
3k 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 ...
0
votes
2answers
390 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) ...
1
vote
3answers
964 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 ...
8
votes
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 ...
5
votes
2answers
849 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 ...
3
votes
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 ...
10
votes
3answers
4k 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 ...
4
votes
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 ...
0
votes
1answer
2k views

Mapping VDIs directly to software iSCSI LUNs in XenServer

I read in the XenServer Administrator's Guide in section 4.1.6.2 that you can map raw LUNs to VDIs if you're using a NetApp or EqualLogic SAN. Is it possible to do the same with Software iSCSI SANs ...
3
votes
4answers
2k views

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) ...
1
vote
1answer
5k views

NexentaStor vs FreeNAS

I currently have a Debian Lenny file server for my small network (4 machines). I have 4x1TB drives in a RAID5 config. Since I botched the Lenny-Squeeze upgrade, it seems like a perfect time to give ...
4
votes
1answer
1k views

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 ...
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vote
3answers
585 views

Migrate zpool to new SAS controller

Long ago, we bought an Adaptec 31605 under the impression that: a) it could do true JBOD, and b) it was well supported on OpenSolaris. Turns out both of these were incorrect. I'm trying to get my ...