4
votes
1answer
267 views

Why am I getting slow and jumpy ZFS write performance?

I have a 10-disk RAIDZ in Solaris 11.1. Its connected by 8G fibre. I have created a ZVOL, made it available with COMSTAR and mounted it on another machine connected by fibre. When I benchmark it ...
0
votes
1answer
79 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
283 views

ZFS rpool full, cant do anything

I have a huge problem, my rpool is full, so when i boot, i have tons of "no space on device" in my shell. No way to log, ssh server is down. So i decided to boot with opensolaris Live cd and mount ...
1
vote
1answer
804 views

How to remove the OpenSolaris ZFS dump device

The ZFS dump device is used only for debugging problems. In this case, I have decided the risk vs reward is such that I should delete the dump device to make room for other storage. I am able to ...
2
votes
1answer
351 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
2answers
808 views

Are there any PCIe SSD cards compatable with OpenIndianna (OpenSolaris) and/or FreeNAS (freebsd) 8+?

Has anyone had any success at all with any PCIx SSD cards around the 200GB+ mark under FreeNAS 8 or OpenIndiana? Specifically either of these platforms because of ZFS support for which we'd be using ...
6
votes
3answers
2k views

Where can I find introductory documentation for ZFS?

I recently installed OpenIndiana because of an interest in ZFS. I like the feature-list of ZFS, but I'm having a hard time wrapping my head around how to configure it. All of the documentation I ...
2
votes
2answers
400 views

Potential problems running MongoDB on OpenSolaris & ZFS?

I've been using MongoDB on CentOS with ext4 for a few months now with no problems. I'm potentially going to be moving to Joyentcloud, and their SmartOS is based off of OpenSolaris and uses ZFS. I'm ...
6
votes
2answers
1k views

Getting ZFS per dataset IO statistics (or NFS per export IO statistics)

Where do I find statistics about how IO is divided between zfs datasets? (zpool iostat only tells me how much IO a pool is experiencing.) All the relevant datasets are used through NFS, so I'd be ...
3
votes
2answers
496 views

Understanding iotop (DTT) output in Solaris

When running DTT iotop on a write heavy Solaris 10 server, which runs multiple zones with MySQL daemons installed, I get the following output: UID PID PPID CMD DEVICE MAJ MIN D ...
3
votes
4answers
2k views

OpenIndiana - ZFS Storage

I am somewhat comfortable with Linux / opensolaris command line options but not very good. I am trying to build a Storage based on ZFS, the specs are: Dell 670 Machine with 4 Hard Drives (SATA and ...
0
votes
3answers
1k views

Disk throughput dramatically reduced when using ZFS on OpenSolaris?

I'm building a simple ZFS file server for the small business I work for. The server is a Dell Poweredge 840, with 1GB RAM. The OS (OpenSolaris 2009.06) is installed on one SATA drive, and there are ...
5
votes
5answers
2k views

ZFS on OpenSolaris or FreeBSD

I have no real experience with ZFS, and very limited experience with Solaris & FreeBSD. After reading numerous articles about ZFS, I'm pretty convinced ZFS is something I want to use for my home ...
4
votes
1answer
880 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 ...
0
votes
2answers
862 views

Nexenta can not read the pool label/ error 5 on import root pool

I have a home Nexenta Store CE server and after shutting it down to move it it will not boot up anymore. It turns on and detects all 7 drives ( 6 data drives plus 1 smaller OS drive) then it gives me ...
2
votes
2answers
2k 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 ...
2
votes
1answer
2k views

ZFS nfsshare to export RW and RO host?

I have been exporting NFS from OpenSloarins like this (successfully): zfs set sharenfs=root=rw=host1:host2:host3 pool1 I'm acting according the man pages sharefs, share_nfs but the following does ...
4
votes
3answers
1k views

How to de-duplicate data for OpenVZ/LXC on Linux?

I want to setup multiple similar containers and I want to have de-duplication. The only solution I'm thinking of is to use OpenSolaris ZFS and share zfs volume with NFSv4 ro iSCSI target and create ...
0
votes
1answer
128 views

Move opensolaris zone to other disk

We have some opensolaris zones running on ISCSI disks. The ISCSI server has performance issues so we need to move to another storage solution. For now we want to move to local disk. Is there a way to ...
1
vote
3answers
695 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 ...
0
votes
2answers
788 views

Debug Nexenta/OpenSolaris core files?

I have a Sun x4540 that was recently converted to NexentaStor Enterprise Edition from an earlier OpenSolaris. The system disks were wiped and the zpools were exported and reimported. I'm hosting ...
3
votes
3answers
799 views

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 ...
7
votes
2answers
1k 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. ...
1
vote
2answers
834 views

how many disks can saturate a 6GSAS controller ? :LSI 9260-8i

This is my build: LSI 9260-8i: MAX read throughput of 2,875 MB/s, write performance of 1,800 MB/s 24x SAS 10K RPM drives 2x 100GB Dell SSDR (SATA) drives for ZIL and L2ARC All plugged to same ...
0
votes
2answers
1k views

Reset ACLs in NFS4/ZFS network share

How can I reset the ACLs on a ZFS file system on OpenIndiana that is exported via NFS4 and replace it with inherited permissions? Basically, I want to do the equivalent of icacls "C:\path\to\folder" ...
1
vote
2answers
5k views

Horror stories with Sun ZFS? [closed]

My companny is considering purchasing two 7320's in a cluster. Anybody have anything good or bad to say about the platform?
0
votes
1answer
128 views

Opensolaris, ZFS shares

I've recently updated to OpenSolaris 2010.05 from 2009.06. Its currently set up to share one of the the ZFS zpools to the other machines on my network. However, only a single account is able to access ...
4
votes
2answers
2k views

zpool import on a 50TB volume is taking forever: What is it doing?

We have a fiber channel san managed by two OpenSolaris 2009.06 NFS servers. Server 1 is managing 3 small volumes (300GB 15K RPM drives). It's working like a charm. Server 2 is managing 1 large ...
0
votes
2answers
1k views

Help finding ZFS .zfs/snapshots directory in OpenSolaris

My home directory in OpenSolaris 0906 is part of the zpool rpool. I can view the pool in zpool list. I can view the file system in zfs list. I can create snapshots. I can use zfs list and see a list ...
0
votes
2answers
696 views

How to share ZFS features over NFS

We are planning to use some of the features that ZFS has, such as: Snapshots. Hierarchy of file systems (each user will have his own). Custom user properties. Clones. Is it possible to share all ...
3
votes
3answers
1k views

Zpool disk failure - Where am I at?

After checking the status of one of my zpools today, I was faced with the following: root@server: zpool status -v myPool pool: myPool state: ONLINE status: One or more devices has experienced an ...
2
votes
3answers
2k views

ZFS, SAN's, HA, Possible?

I currently work for a company that has purchased a number of different SAN solutions (whatever was cheap at the time!) and i want to setup a HA ZFS file store over fiber channel. Basically I've ...
4
votes
2answers
2k views

ZFS with L2ARC (SSD) slower for random seeks than without L2ARC

I am currently testing ZFS (Opensolaris 2009.06) in an older fileserver to evaluate its use for our needs. Our current setup is as follows: Dual core (2,4 GHz) with 4 GB RAM 3x SATA controller with ...
3
votes
2answers
336 views

ESXi / OpenSolaris / ZFS / Linux

I've been using my Opensolaris BOX for while, with 6 internals drives under ZFS. More recently I've been playing with ESXi and i've got to say this platform is amazing; therefor my plan is to buy a ...
1
vote
1answer
1k views

how-to: ZFS design and cache tuning : ARC, ZIL

storage system in consideration from below h/w lying idle: 6 x 300GB 10K SAS; 2 X 146 GB 15K SAS; 12GB DDR2 RAM; Xeon CPU 2.5Ghz two 1GB NIC ports 1 - DLink 1GB ethernet switch (1000/100 MB) 8-port ...
4
votes
3answers
709 views

Raidz-1 parity disks?

I am a bit confused about how to configure my zfs pool. What is the exact difference between adding 8 disks to a raidz1 pool or adding 2x4 to the pool with 2 raidz1 groups. Example zpool create ...
1
vote
4answers
274 views

Virtualizing OpenSolaris with physical disks

I currently have a OpenSolaris installation with a ~1Tb RaidZ volume made up of 3 500Gb hard drives. This is on commodity hardware (ASUS NVIDIA based board on Intel Core 2). I'm wondering whether ...
1
vote
2answers
2k views

My OpenSolaris Server hangs when writing large files after upgrading zpool

yesterday I added new harddrives(four as a raidz1 and one as hot-spare) to a opensolaris server, after extending the zpool the server hangs when writing large files but not when reading large ...
5
votes
4answers
2k views

Trigger ZFS dedup one-off scan/rededup

I have a ZFS filesystems which has been running for some time and I recently had the opportunity to upgrade it (finally!) to the latest ZFS version. Our data doesn't scream dedup but I firmly believe ...
9
votes
5answers
4k views

Best filesystem choices for NFS storing VMware disk images

Currently we use an iSCSI SAN as storage for several VMware ESXi servers. I am investigating the use of an NFS target on a Linux server for additional virtual machines. I am also open to the idea of ...
0
votes
1answer
1k views

Missing whole disk device in OpenSolaris

I have begun experimenting with Solaris and ZFS as a NAS. All was going very smoothly until I had a drive failure. When I replaced the drive, I no longer have a device file mapped to the whole disk. ...
2
votes
2answers
2k views

On Solaris, how do you mount a second zfs system disk for diagnostics?

(Cross posted from Stack Overflow 1) I've got two hard disks in my computer, and have installed Solaris 10u8 on the first and Opensolaris 2010.3 (dev onnv_134) on the second. Both systems uses ZFS ...
1
vote
1answer
437 views

How do I integrate a OpenSolaris NAS with AD?

I basically want a OpenSolaris NAS (ZFS goodies) but I'd like to integrate it with AD, so that when I create a new user in AD, his roaming profile is created in the NAS. That means all his ACLs have ...
7
votes
3answers
696 views

growing a raid z(1/2)

I'm planning on building a fileserver on top of opensolaris, using either a raid z1 or z2. Is it possible to later upgrade a disk at a time and immediately have access to the increased storage? Or ...
4
votes
2answers
626 views

ZFS Status Graph

In many of the Sun videos about ZFS I see them using some kind of graphing program to show the read write IO of the disks. ie: http://www.youtube.com/watch?v=QGIwg6ye1gE See them red and green bars? ...
0
votes
5answers
839 views

Does (when?) OpenSolaris support ZFS deduplication and l2arc

Deduplication and L2ARC in ZFS would be nice to have. Does OpenSolaris support them? I can't quite figure out which version of Solaris they are in, and how that maps to OpenSolaris. Are they there? ...
9
votes
7answers
9k views

Tuning NFS client/server stack

I have a CentOS 5 VMWare server connecting to an OpenSolaris 2009.06 machine over NFS that holds the disk images. My virtual machines seem to be bound by slow IO so I'd like to do everything I can to ...
3
votes
4answers
642 views

ZFS server hardware questions

I'm a photographer by trade and I've yet to find a method I'm happy with for archiving my work. Currently I'm looking at building a NAS server using OpenSolaris, so I can use ZFS. That way I can take ...
4
votes
1answer
2k views

Permission Hierarchy possible in OpenSolaris + ZFS + ACLs?

I've been doing some research into OpenSolaris and ZFS for use in a NAS. Thus far I have created the following: /tank/projects /tank/storage /tank/developer /tank/sandbox The ...
2
votes
1answer
454 views

zpool upgrade planning (time, I/O usage, etc.)

I recently upgraded our SXCE svn_72 box to OpenSolaris 2009.06 (snv_111b). It wants to me to upgrade my zpool to the latest version now. We need to plan upfront for things like zpool scrub because of ...