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iscsi

  1. A

    Slow storage/iscsi performance due to "cbb" devices are 100% utilized

    Hi, We are running FreeNAS 11.2-RELEASE-U1 for quite a while. We have an ESX is running VMs over a lun that is located on the FreeNAS, connected over ISCSI. Lately, it seems like we have reached some bottleneck in our storage system, causing our VMware VMs to run very slowly. We tried to...
  2. X

    iSCSI MPIO und Windwos 10

    Mein freeANS läuft soweit und die iSCSI-Verbindung über einen 1GBit-Port funktioniert. Nun würde ich gern MPIO mit jeweils einer zusätzlichen 4-Port-NW-Karte testen. Die Konfiguration in freeNAS habe ich schon nach entsprechenden Anleitungen eingerichtet. Aber was genau muss man für MPIO in...
  3. okynnor

    Security log has a warning that needs interpretation

    Hi, I have a warning and I don't know what it means. It sounds that it's related to my iSCSI drive and the fact that my FreeNAS crashed 6 hours earlier because zvol where iSCSI was out of space. Would someone help me understand the below and if I should be concerned? > SMP: AP CPU #3...
  4. S

    iscsi "you do not have permission to access..."

    As I am very new to freenas, and this forum, please excuse any unintentional breach of protocol or incorrect forum choice in this post. I successfully created an iscsi zvol on FreeNAS-11.2-U6 and CAN access it read/write from win 10 machine APC as the F drive. I am trying to access it via only...
  5. E

    FreeNAS в качестве iSCSI хранилища

    Друзья, всем привет! В планах идейка развернуть FreeNAS на старом (но живом) железе в кач-ве хранения бекапов с виртуальными машинками от Hyper-V (3 вирт. сервера). Есть такое железо: 1) М/П: ASUS P5Q SE PLUS (775 socket); 2) Процессор: Intel Core 2 Duo E7500 (2 ядра по 2,93 Ггц каждое, 2...
  6. R

    Building/Compiling FreeNAS with OFED/iSER support

    I have researched this topic as broadly as possible so I could learn how to make infiniband behave in FreeNAS as well as in hoping not to bother anyone else for support. Unfortunately my research has left me more unsure than when I began. I can't even be sure my efforts will be fruitful if...
  7. Heracles

    SLOG or L2ARC first for iSCSI and which SSD

    Hi, Recently, I bought a used server (R820 ; 32 Core ; 256G RAM) as an upgrade for my ESXi server. Thanks to that, I moved my main FreeNAS from its T-130 to the T-330 I freed. The 8 drives are paired in 4 mirrors and a single pool. The server is maxed out on RAM (64G) and there is only a last...
  8. K

    Raidz3 OR (raidz2 and hot spare) for VM storage?

    Hi, Server for FreeNAS: HP ML 350 G5, controller e200i (each disk as RAID0). Disk: 8 x 300 GB SAS. Destination: iSCSI for VM. It is better add all disk to pool, example: - RaidZ2 => (8 x 300) - (2 x 300) = 1800 (two disk can die) - RaidZ3 => (8 x 300) - (3 x 300) = 1500 (tree disk can die) or...
  9. H

    ZVol Backup to Azure Blob

    Hello, I've done some research but cannot seem to find an exact answer. I have started using FreeNAS as my primary storage target for my VMWare lab, but not that I've done this i'm trying to determine my best method of for backup in case of disaster recovery. I see I can configure Azure Blog as...
  10. C

    SOLVED FreeNAS Pool Migration, iSCSI doesn’t show devices

    Hello All, I recently migrated a pair of zvol’s from one FreeNAS machine to another. I have copied the iSCSI configuration screens side by side to ensure they are correct. At this time it appears I am able to connect and establish the iSCSI path but no devices will pass through. My intent is to...
  11. J

    ESXI 6.7 Unable to create datastore iSCSI

    Hey, I've managed to setup my FreeNAS server for iSCSI and connect to an ESXI server. The FreeNAS Device shows up but when I go to create a datastore is errors unable to change host config. FreeNAS Server: FreeNAS 11.2-U5 Intel(R) Core(TM) i7-7700K CPU @ 4.20GHz 32Gb RAM 16Gb USB - Boot Drive...
  12. I

    Iscsi share drive unallocated

    I have an ISCSI drive which went down for an unknown reason and id like to recover my drive with my data. All I did so far was get my system to boot because when I checked the KVM it was a black screen but all the LEDs were on. Front & backside of the case. Once i got the system to boot I...
  13. T

    Is 10x Compression Normal?

    Hi Guys, So yesterday I moved all my VMs from a rubbish SAN over to FreeNAS, however, I've noticed that ESXi is showing that I've used 5TB of data where FreeNAS is showing 500GB data used. I know that compression is enabled on the Zpool however, I didn't expect it to be as good as 10x...
  14. Vincent Saelzler

    iSCSI Performance: Par for the Course?

    I am wondering whether IO the performance I am experiencing in iSCSI-backed VMs is expected for my hardware. I know the 5400 RPM drives are going to slow things down, but I still feel it might be slower than it should be. I've just started up a two test VMs to see how things work. I anticipate...
  15. B

    Freenas iscsi target for hyper-v host - backup necessary?

    Hello all, I am planning on using my Freenas box as iscsi target for my hyper-v host to store all my VMs on it (500GB SSD Stripe Set in Freenas). The freenas box is replicated to a freenas VM every 3 hours (yes, I am using pci passthrough (DDA in microsoft language) with a IBM ServeRaid M1015...
  16. J

    Optimal setup for Veeam backups ( 12 and 24 drive )

    Hello, I'm hoping to get some advice on how to properly configure the volumes on two new freeNAS devices. We always receive our NASes with a pre-configured volume setup, see attached. We prefer RaidZ2, and I've recently read that you want your vdevs to have a number of drives equal to a power of...
  17. N

    Using FreeNas as iScsi relay

    Hello everyone! Question for those who want to think, I have a challenge, I'm using 2 storage IBM DS3512 and DS3524, these wonderful boxes do not have iscsi connection insted they use some fancy DAC cables, which greatly limits the number of servers that can be connected (2 per storage). I am...
  18. baby27784

    need some help to implement iscsi san

    hello everyone i,m gonna to use our old server as iscsi san for vmware machine( SQL 2012-windows server 2012 ,2016-exchange 2016-file server-crm) and need some guide to do that: my server DL380 G7 16 bay cpu : 2*5620 ram : 16 gig nic : 4*1 gig hdd: 7*146g 10k 5*300g 10K...
  19. tbaror

    Moving data from storage zvol iscsi to another nfs

    Hello, I have two Freenas storage servers, old one using iscsi zvol used by Xen server with 3 luns , new Freenas storage ,instead of zvol decided to use NFS to store all vms. My issue is when i try to migrate all vm from iscsi to nfs , while trying do it directly from Xen console its fails , so...
  20. FozzyBear

    iSCSI extent not deleting

    Recently deployed FreeNAS-11.2-U2.1 onto a small low power lab box, created a single extent for my VM storage then created a second extent to test something. No longer need that second extent and when attempting to delete, it is not being removed. The associated target was removed first but when...
  21. D

    Conexion FreeNAS con Storage Externo

    Hola, Tengo la siguiente inquietud; Tengo un Servidor Storage de DELL (el cual solo puedes usarlos a la traves de conexiones iSCSI) y quisiera hacerlos trabajar conjuntamente con el FreeNAS. El escenario sería que, el servidor FreeNAS pudiese conectarse al servidor Stogate DELL para acceder a...
  22. J

    Poor perfomance with ISCSI

    I set up my first new Free NAS system for a lab machine. I created an iscsi share to a citrix xen server. The performance was not so great. so I wanted to check it with NFS and noticed a huge difference. With iscsi: dd if=/dev/zero of=/tmp/output conv=fdatasync bs=384k count=1k; rm -f...
  23. mullinsj08

    Poor iSCSI Performance

    Hi all, I need some advice on improving the performance of my FreeNAS server. It is primarily used to provide iSCSI storage to my 2-node ESXi cluster but currently the performance is absolutely horrid. Below is the specs of my FreeNAS: - Intel Xeon E5-1620v3 - SuperMicro X10SRi-F - 128GB DDR4...
  24. lexxai

    ASUS P10S-E/4L Intel C236 HSIO lanes question when work both iSCSI and ZFS.

    Have motherboard ASUS P10S-E/4L with Intel C236 chip set. Have problem posted "By start use iSCSI disks FreeNAS system start pull errors - device: ATA error count increased" By analyze situation why can be problem when work both iSCSI and ZFS. Since iSCSI use network adapters (GbE), ZFS use all...
  25. D

    iscsi extents - cannot see devices after upgrade from 11.1 to 11.2

    I've been running with a few iscsi zvol devices for some time now and they continue to work fine after upgrading from 11.1 to 11.2. However with 11.2 I cannot add a new device extent in sharing/iscsi/extent/add because the drop down arrow presented to select the device isn't being populated. I...
  26. lexxai

    By start use iSCSI service on FreeNAS, core system start pull errors - device: ATA error count increased if used ACHI of Intel C236

    FreeNAS 11.2-U1 Detect that when on remote system I start use attached iSCSI disk for write On FreeNAS system have start messaging about error disk (device: ATA error count increased ...) but cable checked, reattached, and errors on differ disk can be. If use SAMBA services, NOT HAVE any...
  27. Theapplefuture

    SOLVED Question about iSCSI

    Hello Everybody, Currently I run a FreeNAS Server with one zpool and shares for macOS (AFP) and Windows (SMB) but I often read about iSCSI and its advantages over SMB. The first question is, what does iSCSI does better than SMB. I tried to look it up for myself on the internet but I don’t...
  28. kdragon75

    Can someone test zvol expansion with iSCSI?

    In 11.1U6 if you expand a zvol that is presented as an iSCSI LUN, the new size is not reported until the iSCSI (ctld) service is restarted. Can anyone confirm if this is still the case for 11.2? I know I could test this in a VM but I'm lazy/busy/either.
  29. D

    Zvol missing all data when reattached to ESXi

    Hello folks, Is there anyway to look at the contents of a zfs volume from within Freenas? Is there a way to mount a zvol from within freenas, if so can someone post the syntax, the normal Linux "mount -t ..." didn't seem to work, I have been through the zfs man pages a number of times and...
  30. E

    NFS Performing better than ISCSI

    Was hoping for a bit of insight into the following issue, if some kind soul could help a noob out :D Specs: Dell R510 2 x E5645 6 Core (HT enabled) at 2.4GHz 16GB RAM 8 x 2TB WD Red RAIDz2 Perc H310 in IT mode aka LSI 9211-8i Intel X520-DA2 10Gb SFP+ card Freenas 11.1-U4 I have 2 ESXI 6.5...
  31. I

    Can't see my hard disk in iSCSI extent devices.

    Hi, I am new in FreeNas. I added new Extent but it didn't shown in list. when I tried to add it again, my disk not seen in Device list. but it exists in Storage>Disks. How can I see my disk in the Device list of iSCSI Extent devices?
  32. L

    Need help with iSCSI Snapshot/Replication

    Hello, I have a freenas system, that offers a iSCSI target for 2 windows servers for backup purposes (server iSCSI targets only differ in size and its a test setup, no production environment so there is no auth on the iSCSI). I attached screenshots of the iSCSI Share settings for all details of...
  33. K

    SOLVED iSCSI unable to add extra iSCSI group to target (ESX)

    Version: FreeNAS-11.2-BETA2 lagg0: 10.10.250.10/24 (Switch 1) lagg1: 10.10.251.10/24 (Switch 2) Initiator 1: 10.10.250.0/24 Initiator 2: 10.10.251.0/24 Portal 1: 10.10.250.10:3260 Portal 2: 10.10.251.10:3260 Target 1: s01t01 Target 2: s01t02 Target 3: s01t03 Problem: I am unable to add a second...
  34. T

    QLE8152 Network & FCoE Adaptor with Freenas 11.0-U6

    Hi everybody, I'm user of freenas for a very long time (at least 4 years+) and I'm very happy about it. A few weeks ago I was thinking about pumping up the performance on the network side, because I was struggling with low iscsi performance on my installed Intel gbe nics. Thankfully I was able...
  35. A

    View NAA in FreeNAS UI or via REST

    Is there a way to view/pull the NAA for an iSCSI Extent from the freenas UI or through a REST API command? I am adding a large number of LUNs to some hosts from our FreeNAS appliance, and I'd like to find a way to match up Luns to Extents without shelling into the FreeNAS box.
  36. W

    iSCSI Performance Problems

    I set up some network attached iSCSI drives over a 10Gbit network and the performance of it looks like this: From what I have tested it copies about 6~8GB before it crashes like this. For the remainder of the transfer it will jump between 100 - 300MB/s. The physical connection from my...
  37. titanve

    FreeNAS 11.1 U6 rebooting randomly when transfering via iSCSI and vmware esxi

    Hello everyone, My freenas is rebooting randomly when using iSCSI to backup my vm's using Vsphere Data Protection. I added the device to the ESXi without troubles and I have to RJ45 crossover cables which connect the freenas with the ESXi host. I wonder if I'm missing some network...
  38. R

    Lost iScsi Device after upgrade

    Upgraded to 11.2-STABLE and now my iscsi share no longer works. If I open the legacy gui and look at Sharing->Block->extents, the path to the extent is wrong. Should be "/dev/zvol/tank/idata," instead it is "/dev//dev/zvol/tank/idata." I've tried editing ctl.conf directly but my edits get...
  39. A

    File transfer while using RAID-Z2

    Hi I got new FreeNAS and software installed. I have a NAS with 4 4TB hard drives. I want to use it for Fileserver storage, like storing of user data and other files. Can you help me with what Raid should I use and what type of File transfer protocol should be used for that. My NAS specs are: 4...
  40. BloodyBonkers

    SOLVED How should I set up multiple iSCSI targets on single zfs pool?

    Hello! What I want to achieve is to have a couple PC's with only a small SSD as a boot drive to have a secondary storage option which can be used in real-time with a relatively low latency. I want to give each computer about 500GB of dedicated storage, for use as mass storage. I am also gonna...
  41. W

    Performance Issues Exploring Other File Sharing Protocols

    Up until now I have been using SMB on FreeNAS and as many people have told me my 8 drive RAIDz2 (7200RPM disks) wasn't quite as fast as it should be as a network share (~500MB/s). Well, I decided to build a 12x1TB SSD RAIDz2 and found that I had near identical performance using SMB. Talking to...
  42. J

    FreeNAS / iSCSI / Windows Server 2012/2016 DFS Setup

    Just thought I would post what our current setup is and the reasons why. It may help someone out there if they ran into our problems: Our problem: We use Windows DFS for file replication and immediate failover for our file server, but in doing so any backup system would sometimes break DFS...
  43. Steven Sedory

    How Much Frag is too much

    Hi, System info: Build FreeNAS-9.10.1-U4 (ec9a7d3) Platform Intel(R) Xeon(R) CPU E5-2620 v3 @ 2.40GHz Memory 262021MB 14x 4TB NLSAS w/ 800GB P3700 Cache and mirrored 400GB ones for SLOG (overkill I know) Configed in RAID 1+0 like config Here's my question: What do I do about fragmentation, and...
  44. freekey

    ISCSI performance on Windows 10 vs Ubuntu 16.04

    What could be the downgrader of performance on the same Laptop when booted into Windows 10 vs that same laptop in Ubuntu 16.04? I connected the same ISCSI disk in both OS-s, and ran an xcopy/cp command with time difference output at the end, the same Web folder (1.5GiB, with about 100.000 files)...
  45. Adam Tyler

    Shouldn't this run faster?

    Hello everyone! I am troubleshooting a FreeNAS performance issue and was hoping someone out there could provide insight. First, here is my single zPool setup: pool: zPool01 state: ONLINE scan: none requested config: NAME STATE READ WRITE CKSUM zPool01 ONLINE...
  46. massmux

    Problem in recovering a cloned snapshot

    hi guys i have this problem. I have snapshots replicated on another freenas server. I need to recover files inside this snapshot. I do exactly as described in freenas note: """ Clone the desired snapshot. Share the clone with the share type or service running on the FreeNAS® system. After users...
  47. Adam Tyler

    My FreeNAS performance review

    Hello FreeNAS forum. I've just assembled my first FreeNAS box "on a budget" and I was hoping to review the specifications and current performance metrics to see if there is any obvious small or inexpensive tweak that can be made to increase performance. Here is a bit about the hardware...
  48. X

    Small writes on *ALL* pools every 5 seconds (appears to be ESXi/iSCSI related)

    I was watching my pools this morning with "zpool iostat -v 1" and noticed that every 5 seconds small writes are happening to all pools. This does not appear to be the "system dataset" thing that comes up in the forums every once in a while. All 3 pools are used as ESXi 6.5 datastores that are...
  49. massmux

    SOLVED iSCSI drops connection

    Hello consider two FreeNAS sharing iSCSI zvols target to some xenservers. In this environment all seems smooth. But apparently when I add another FreeNAS and start using new iSCSI shares to other xenserver machines, i get the following errors in one of still existing FreeNAS servers, causing the...
  50. A

    Один iSCSI таргет и несколько инитиаторов

    Не могу найти однозначного ответа на этот вопрос ( не сколько FreeNAS, сколько iSCSI в целом). Возможно ли использование одного iSCSI таргета одновременно несколькими клиентами? Разумеется, речь идет по кейс, когда на презентованном raw устройстве используется соответствующая кластерная...
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