Questions tagged [nexenta]
Nexenta is a Unix-based storage appliance operating system centered around the ZFS filesystem.
83
questions
2
votes
1
answer
779
views
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 ...
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 ...
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 ...
5
votes
1
answer
333
views
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 ...
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 ...
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 ...
3
votes
1
answer
1k
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 ...
4
votes
1
answer
2k
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 using ...
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 ...
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 ...
4
votes
2
answers
6k
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
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 ...
0
votes
1
answer
1k
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 smb....
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 ...
0
votes
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 ...
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 ...
0
votes
1
answer
508
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 ...
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 ...
2
votes
1
answer
1k
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 don'...
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 ...
1
vote
1
answer
1k
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 \XX.YY....
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 ...
-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 ...
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 ...
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 ...
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 ...
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: ...
0
votes
1
answer
404
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
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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-...
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 ...