How to free up space on freenas

How to free up space on freenas. The Console Setup menu, shown in Figure 3. Wait for this job to finish and then switch the next one. Thanks, Apr 26, 2024 · 1. System Status/Resource Monitor/Disk Usage reports ( screenshot) reports the same Total and Used size, but if I sum the folder sizes, I get 3TB only, instead of 5496. Step 4: Execute the modified install script. Please help. 07 GB. 1 with some iSCSI devices that I can directly mount to one Windows 10 desktop and three laptops, and if that works, an iSCSI device for my Linux machine. How to free up space on our NAS device without breaking the backup chain. Move data to SD card Jan 25, 2023 · So, you can free up a lot of space on your iPhone by removing apps you haven’t used in a while. So select all the Unused images, then click Remove. This has been running well since commissioned in 2018 but now is down to 51GB free. Other ways to free up space include deleting system restore points (as you've mentioned), changing the pagefile size (windows sometimes gets overzealous and increases this to crazy sizes (16GB)), and disabling hibernation (the hibernate file usually varies from 3-4GB). Tap iPhone Storage. By default, it is off. - FreeNAS 11. Go to DSM > Synology Drive Admin Console > Team Folder. For me, it either takes a lot longer than usual to connect to my shares, or it disconnects entirely. After tapping the option, you'll see a message that you're ready to free Mar 6, 2023 · To do this in the Watch app, tap the All Watches link at the top. Feb 5, 2023 · Synology Drive Server keeps historical versions of the files for future restoration, and this takes up additional storage space. The minimum requirement for FreeNAS is 8 GB. 5 Server - 10. For most people, this will likely be photos, messages, iCloud backups, iCloud Drive, and apps. For DSM 7. iOS will ask your permission to delete the local files at the same time. Hey all, I already tried a couple of things and searched already a lot in the internet. Hi. Nov 5, 2023 · Refer to this article to learn how to free up space taken by Download Station. T Booting — FreeNAS®11. Feb 5, 2023 · Moving shared folders to a volume with more storage space. Could someone send me a link with some rudimentary instructions on setting up a VPN on FreeNAS 11. Open the control panel and search for "smb". Connect to your NAS interface in the browser. Point iTunes to the iTunesLibrary. You can’t undo this action. To free up space on the boot drive of TrueNAS Core, use these steps: Open TrueNAS (web). Tap the "X" in your app's corner. These suggestions are listed in order, so start with the first one, see if that helps, and then continue to the next one if it doesn't. If you want to move a shared folder that is currently a team folder in Synology Drive, follow these steps: Nov 30, 2023 · To manage these temporary files and free up space, consider the following options: While a download task is active: Manually ending an active download task moves the temporary files to the default destination folder, avoiding additional storage use. It doesn't matter if it is in 1 or 1500 snapshots. 1 May 1, 2024 · Choose the Utilities option at the top right. Tap the Info icon for your watch and select Unpair Apple Watch . You can go through these on the freenas host and see what is using all the space. Booting. But, a much better method of tracking this down is to use: zfs list -o space. Delete the mount point by clicking the three dots and select Delete. There isn't an option Jan 7, 2023 · STEP 3. " Alternatively, you can just search for "Disk Cleanup" in the Start Menu. This operating system can be installed on a PC with adequate components, but it can pretty much work with most modern PCs due to Apr 24, 2023 · Running a balance on the data volume can help to address this. Last edited: Apr 16, 2022. I have an old PC that I installed FreeNAS on with intention of upgrading the RAM after I manage to install it. Here you can see which apps are taking up the most storage space Jun 13, 2021 · 18. Click on “ Images “. T Test -> Add S. " To launch it, click the Start button, type "Disk Cleanup" into the search bar, and then hit Enter. Here Select Install/Upgrade option and Hit ENTER on Ok button. Then "Advanced Options". I finally got the Transmission plugin to work now I need a VPN. FreeNAS ® provides a browser-based, graphical configuration interface. A. We will use Rufus to create a bootable USB-Drive. I’ve tried to delete media off Feb 11, 2024 · On an iPhone, go to Settings > [Your Name] > iCloud > Manage Account Storage . To do this, Open the Web UI as root and click on the Shell menu to open the command terminal. The problem I think is that I have some huge files that were temporarily on my main hard drive that I have since deleted and don’t want anymore, but I don’t think they get deleted from the backup. NAME USED AVAIL REFER MOUNTPOINT. Dec 29, 2018 · You can not add additional disks to an existing array (AKA: 4-disk RAID6/z2 to a 5-disk RAID6/z2) but you can very very easily replace disks in the array wit Jan 10, 2017 · Close iTunes. Save the changes and exit the text editor. Select the first drive and click Modify. #14. /mnt/Backup. 3 Released. Select the types of files you want to delete and click OK. Jun 23, 2015 · Jun 24, 2015. Thank you. 1. FreeNAS ® is an embedded open source network-attached storage (NAS) operating system based on FreeBSD and released under a 2-clause BSD license . 93GB. Go to Snapshot Replication > Snapshots. Install FreeNAS onto USB drive B as normal. Award. #1. The good news is you can probably free up a lot of space on your PC running Windows by following the tips here. If you are 100% certain that you never want to play a game again and want to free up a little more space, choose Delete Software. In that case, as suggested by @Sandshark, a balance might simply fix it. Tap on Storage. To check the total disk space left on your Windows 11 device, select File Explorer from the taskbar, and then select This PC on the left. Under the "File On-Demand" section, check the "Download files as you use them" option. Hmm, if I try to delete it via the Web UI, it appears to hang indefinitely at the Please wait screen: If I try to delete it via the shell: Code: [victorhooi@freenas] /% zfs list -t snapshot. Jun 12, 2023 · Windows 10 users will find the Storage Sense option at the top of the Storage settings screen. Then, tap "Settings" in the pop-up menu. T test. Apr 21, 2024 · Files that have not been permanently deleted still take up storage space. Aug 29, 2014 · I’ve just gotten used to FreeNas working with my XBMC and it works great. You may need to wait a few moments, but you should see a graph at the top of the Jan 8, 2019 · 3)Add another 10TB hdd, 10Tb+10Tb+10Tb+10Tb, still mirror, one redundancy, 30TB of space. Questions: The installation instructions ( here) in the official documentation don't show this prompt. Jun 13, 2021. After that select the USB drive from the right side drop-down box. If you have multiple hard drives, you'll be prompted to select the drive you want to clean. 16) Go to ‘Sharing’ and select ‘Block (iSCSI)’ to configure more options. Oct 5, 2011 · In small writing at the bottom is the link to set up your free account for up to 2 hostnames. Give it a name. The removal process will start instantly and it can take a few minutes depending on how many Jan 6, 2020 · momurda: Youve got 2 ‘backup’ folders mounted in /mnt. Select a time range no shorter than a week by specifying the start and end date. Every vote counts! More information in this IXSystems post on the thread FreeNAS 11. 2. This brings me to my current problem, FreeNAS and Windows both say the pool has 1. Introduction. Mar 8, 2017 · Mar 8, 2017. Select Profile & system > Settings > System > Storage devices. Boot FreeNAS from USB drive B. Click Edit > Empty Recycle Bin. To download photos: In Photos, Albums, or Sharing, select photos and tap > Download. Click on System from the left pane. The FreeNAS ® operating system has to be installed on a separate device from the drives which hold the storage data. ! When the operating system device has enough additional space, you can choose Jul 24, 2020 · Jul 23, 2020. Check ‘Confirm’ and press ‘DELETE MOUNT POINT’. May 22, 2020 · HOWTO: setup a pair of larger SSDs for boot pool and data. (Image credit: Android Central) 4. R. Copy your entire iTunes folder (in the Music folder on your Mac) to the NAS. TrueNAS is not designed to do this sort of partitioning, and the developers are Nov 1, 2021 · When you run out of disk space in FreeNAS or TrueNAS you may have to use the terminal to free up disk space. The text file you provided has this metadata for your veeam-backup set. Select the downloaded FreeNAS. Open Portainer then locate the text “ Images ” in the menu on the left. Steps: 1. Now Choose One or Multiple Drives where you want to install FreeNAS, Spacebar button is used to select drive and asterisk(*) will notify that the drive is selected, then hit ENTER on Feb 21, 2022 · Free Up Space With Disk Cleanup. Jul 10, 2015 · Hi, The best thing would be to copy existing backups somewhere either manually or using Backup Copy Job, and adjust your retention policy afterwards so it frees up some space. Dec 21, 2023 · Open the Settings app, go to Apps & Notifications, and tap Manage All Applications. Click that. Feb 14, 2024 · Open the Music app. To delete apps on your iPhone, go to Settings > General > iPhone Storage. You can cast your vote here. Fantastic. I'm not a big Linux/Unix guy so that's why I said rudimentary (VPN for dummies) I'm guessing OpenVPN is the way to go, but don't know how to set it up. Check FreeNAS NFS Share. Nov 9, 2022 · Step 2 – Setting up the short S. img image file. Jun 2, 2014 · Next, insert your flash drive, run Win32 Disk Imager, and select the FreeNAS_x64. Then, click Manage . Click the “Play Virtual Machine” button or use the keyboard shortcut “Ctrl+U” to power on the virtual machine. Nov 25, 2023 · Follow these steps to boot the virtual machine with the FreeNAS ISO: 1. Haven't found anyone who has posted anything similar, so I thought I'd ask: I'm using a Mac, and I've noticed that deleting files on my freenas (shared over afp) does not free up any space. You can see the number of snapshots taken within the selected time frame. Delete the snapshots. You will see so many “ Unused ” images labeled as such against an orange background. If you have other volumes on your Synology NAS that have more storage space, you can move shared folders to those volumes to free up space on the original volume. Jan 12, 2020 · Navigate to Option 1 Boot FreeNAS Installer and press ENTER key to install FreeNAS. Step 2: See what’s taking up space on your Mac. Then see if the file exists. Hold Shift and launch iTunes. (Image credit: Future) Click the Delete button. 12. Moderator Warning: This HOWTO will damage the ability of your TrueNAS appliance to properly maintain itself, will break the ability to replace failed drives, and may cause problems with upgrades and updates. T Test. Here's how to get started and configure a working home May 23, 2017 · After deleting at least 150GB of data my free space has not been recovered. Select photos and tap > Delete. The Dataset in question was 2nd set of backups from another box. ACTIONS > + Add Mount Point Source : /mnt/Destroyer/Audio Destination : /mnt/Audio. You'll be given a list of files you can delete, at which point you can just click OK to free up that space instantly—or click Nov 20, 2018 · FreeNAS is essentially an open-source platform built atop of Linux. The example below uses "-s 8g". Enter the command: cd /mnt. This will open up an Options menu. (It does mention a swap partition being created, but Jul 23, 2017 · Here's a summary of my test lab config: VMWare ESXi 6. This may help you. Allow the unpairing to finish, then bring your iPhone near your Installing and Upgrading. Liked: 1 time. Then Choose Fat32 Format. Step 3: See how Apple recommends you save space on your Mac. Jun 29, 2020 · - USB drive A - flashed with downloaded freenas iso. Adjust everything as in the screenshot below. May 8, 2023 · To access it, right-click one of your drives in the This PC window and select "Properties. Click the Delete button. 5. To delete an entire album, long-press on it and a pop-up menu will include a Jun 21, 2016 · 2016-06-21 02:54 PM. Full Name: Craig Wardell. Tap "Delete" to confirm your choice. And, finally, "Storage Management". Then tap the menu button in the upper-right corner and tap the option to show system apps. Jul 8, 2017. Posts: 13. It should start shaking along with the rest of your apps, and you should see an "X" appear in the top left corner of the app. Jun 17, 2021 · Setting up FreeNAS, a popular open-source network attached storage solution, is not a difficult task. This will automatically fill in your IP address. Oct 31, 2022 · Click the Settings tab. That should be all it takes to recover the space. 1; Empty the Recycle Bin of each user's home shared folder. Mar 6, 2021 · To find out if a file is in your snapshot, (AND taking up space), mount the ZFS snapshot, (ZFS snapshots are READ / ONLY). Select the temporary files, unused files, files synced to the cloud, or unused apps you want to remove, then select the Clean up button for each section. 4)Taking out one 10TB and replacing it with a 20TB hdd, Array is rebuilded, still 30TB of space, becuase the extra space is lost. Jun 2, 2021 · Please take the time to vote for the return in FreeNAS of the Corral style calendar interface for scheduled tasks. 100. (If you have FreeNAS installed on an SSD like me, exclude the SSD from the test, as it makes no sense to run it there). Also, each time I try to delete something, I get a prompt that says "This item will be deleted immediately. On a Mac, click the Apple logo in the menu bar and go to System Settings > Apple ID > iCloud. 0 5 days ago. Quote from the ZFS documentation: Dec 14, 2015 · Employ the services of a smart Android Management tool such as Syncios Mobile Manager (free) to clear up useless apps with app data and game save, backup apps to your pc to release phone storage. Refer to this article to learn how to empty the Recycle Bin. Hi, How do you free up space on the image location (NAS) without breaking the backup chain? Our goal is to have at least 1 year retention. Connect your removable media to your device. Aug 2, 2021 · From your Kindle's Home Screen, tap the three little dots in the top-right corner. Go to Library > Downloaded, where you'll see music that's stored locally and taking up space. Tap General. Next tap "Device Options". (Image credit: Future) Click the Continue button. Mar 15, 2016 · So if nothing changes between two snapshots the the space will be very close to 0kb. Step 1: Clear space on your Mac quickly. Copy the path that starts with \\ and paste it into the file explorer path bar. 15) Now start the iSCSI service in FreeNAS. 205. Select all Disks you want to include in the test. Fragmentation. ISO file by clicking Browse button. Here is a photo of the beaut! It is a powerful little machines that packs a lot of punch. This will prompt a pop-up menu asking if you want to delete the app. Add a balance action to be run on the data volume at a suitable time. Click Calculate Now to start calculating. I want to regularly (daily) backup the two Windows VMs hosted on the VMWare 1. FreeNAS - 10. On the Storage devices screen, a graphic for each drive displays the percentage of space used and available free space. " Nov 9, 2022 · Step 1 – Downloading FreeNAS and prepare a bootable USB-Drive. 2-U3 User Guide Table of Contents. If the FreeNAS ® system has a keyboard and monitor, this Console Setup menu can be used to administer the system. To check the space consumption of snapshots: 1. Change the number of versions to delete previous versions and free up space. "listsnapshots" property to "on". 1. Then scroll down, select an app, and tap Delete App. Today i had this exact same thing happening again. Click on Boot. Delete the files. Click the "Disk Cleanup" button in the disk properties window. Total Size: 5496. Oct 1, 2019 · Go back to “Storage”, then “Pools”. May 8, 2024 · Tap and hold your app's icon. But on the screengrab below you can see that the To manage both your internal and external storage: Press the Xbox button on your controller to open the guide. A NAS has an operating system optimized for file storage and sharing. Refer to this article to learn how to free up space to increase storage when Active Backup for Business is taking up used space. " Stefan Ionescu/Insider. **/mnt/veeam-backup --**this is a filesystem, also inside it is zvol_veeam. I have deleted the FreeNAS dataset via the GUI; and all is well. If you absolutely need that space back, your only recourse is to delete the snapshot. I wanted to move the main storage to NFS instead of zvol, because of saner snapshotting and better control over recordsize, compression, encryption etc. 3. - hosts two Windows Server VMs (approx 400GB disk space used) - this is the free version of ESXi 6. I tried to render a file in Adobe Premier Pro, which failed. Under the "System Restore and Shadow Copies" section, click the Clean up button. After completing a download task: Download Station automatically transfers temporary files to Nov 13, 2012 · In Closing per your comment: Detaching, Wiping & resilvering each disk probably will leave all the empty space truly empty if ZFS performs as stated in the FreeNAS manual – meaning resilver only brings back blocks that are in use reducing the time to rebuild the vdev & thereby leaving the empty space truly empty. Replace that disk with a bigger one and let the nas recover the raid. Go to ‘Services’, select and switch on the iSCSI service. I updated to Bluefin TrueNAS-SCALE-22. 1 , appears at the end of the boot process. Select a shared folder and click Snapshot > Calculate Size. The other utility included in Windows 11 is called "Disk Cleanup. FreeNAS gui > Jails > Lidarr > click the three little dots on the right of Lidarr, select Mount Points. Feb 16, 2018 · When I widen the search criteria, I am flooded with suggested articles that have little or nothing to do with iSCSI. B2r2. 3-U4. 4. I used a fairly small one 8gb, since the mirror can be larger. Apr 30, 2024 · After the system has booted into the installer, follow these steps. Below is the log entry from sickrage showing that the folder in question was deleted at 11:50. Since this happened yesterday and today and not the days Mar 16, 2020 · I have followed this set of instructions in order to get more space on freenas-boot, and received no errors but the devices still show up as smaller than 32 GB. This will get you to the mount point. If I check the size of the data and subtract from the pool size, I should have ~4 terabytes free which is how much I had before I started moving stuff around. If so, easing the file in the parent Dataset won't free up any space. Installing and Upgrading. With only one disk drive, the FreeNAS ® web interface is available, but there is no place to store any data. Nov 8, 2023 · I purchased the Synology 2 bay DiskStation DS218+ for storing my photos and helping me to maintain free space on my phone. First things first – download the FreeNAS ISO file from their homepage. Influencer. 02 GB) Free Size: 133. Mar 31, 2018 · Mar 31, 2018. Expand the pool to show a list of the datasets. Note: The list of apps is sorted by size, from largest to smallest. 168. We run a QNAP NAS with a bit over 10TB storage for our backups. Select Start > Settings > System > Storage > Cleanup recommendations . Joined: Mon Apr 04, 2016 4:48 pm. 0. H. Enter your desired hostname (you can select various domains from the drop-down), then click on the blue text that lists your IP. There are also two options: Manual Removal and Quick Archive. The DS218+ serves as both a NAS (Network Attached Storage) and a private cloud. # showmount -e 192. Getting a message that your PC is running out of room can be a stressful event—or, even a genuine emergency if you're in the middle of an important project. 0-U2 (latest) - configured with a single 4TB drive. Under the “Boot Environments” section, check the previous installation setups to remove. Close iTunes. Scroll down to Manage Software and select Archive Software. To delete photos: Do either of the following: Open a photo and tap . How can I get FreeNAS to fix this? I'm on FreeNAS-11. - SSD drive C - that will be the final place for freenas-boot, swap, jails, etc. So in order to free up discs, you will need to find which snapshots are taking up space and remove them. If you have bit rot protection enabled on your shares or LUNs, then the filesystem does copy-on-write. #4. The available space on your drive will appear under Devices and drives. Our backups are failing nightly now. Select Install/Upgrade. I am set to 3. I have NOT re-booted the host. Once you May 15, 2024 · Table of Contents. Tap "iPhone Storage. 1 and above: Go to Control Panel > Shared Folder and select the homes shared folder. 5)Take out and replace all 10TB hdd with 20 TB hdd, one still serves as mirror, but now since all hdd are the same 20TB size Nov 9, 2018 · 4: Install Freenas on USB. Click on the Dropdown box and select Try Unlisted Linux ISO (GRUB). Jun 20, 2017 · To archive a game, select it on your home screen and press either the + or - buttons on your controller. Remount. 2 terabytes free. Next, plug an empty USB-Drive into your computer and download Rufus. Select Fresh Install to do a clean install of the downloaded version of TrueNAS. M. Your vote is important. Run the ls command to list the shared volumes. Code: 2017-05-23 11:50:33 INFO SHOWQUEUE-REMOVE-SHOW :: Deleted show folder /media/TV Shows/CSI Crime Scene Investigation. click on Manage, Manage, Replace the drives one by one. Mar 18, 2016 · Back into gparted Live and run sudo gdisk /dev/vda then "w"rite, and start graphical gparted once more to resize the ext4 to the full 50G. Step 4: Save space on Sep 21, 2020 · Apollo said: It would seem some snapshots are still pointing to your deleted data. itl file on the NAS. The problem is I’ve put too much stuff on, and wasn’t aware that you can only use >80% of the storage space available- or else you’re going to run into serious performance issues. Each dataset has its own value and looking at the column will tell you how much space the snapshot represents. The size will include the documents, data, and files Feb 7, 2021 · In Windows 10, click the Start menu and search for Disk Cleanup. The way its setup is we have a core infrastructure (Core thanks. Step 4. 17) Click on ‘Portals’ and add a new one. When connecting to the FreeNAS ® system with SSH or the web Jul 21, 2022 · Open the Settings app. The file is around 600 Megabytes. Here you'll see an overview of how much space is available on your Kindle. Open the Settings app. If the output of that command is empty, it means that there are no snapshots Unless your volume is not called "data". Select the virtual machine you created in the VMware Workstation home screen. Jan 4, 2023 · Click the More Options tab. Continue holding Shift until prompted to locate or create a new library. if gpart add -t freebsd-zfs -a 4k -i 2 -s 8g$ (_size) $ (_disk); then. During the installation process it asks if I want to create a 16 GB swap partition on the boot device. There was a change where snapshots are no longer shown by default. This will tell you what's using space on your iCloud account. This can be configured back to the old behaviour setting the zpool. Click the OK button. I connected to my NAS using SSH and run. 20. Sep 16, 2023 · Learn how to use built-in tools to free up storage space on your iPhone or iPad, and how to manually offload or delete content like apps, photos, and more. Wait for the “re-silvering” to complete: under the hood, ZFS mirrors (copies) all data from the original USB thumb drive to the new device (which is now also part of the ZFS pool freenas-boot). You can run from the GUI under System / Volumes, ang click on the gear. I've been using FreeNAS with 2 GB RAM only for about a month now and it works Feb 14, 2023 · After the restart of SMB the space of the deleted files was free again. Apr 15, 2020 · Step 3: Replace the size variable with the size you want your TrueNAS boot partition to be. If you want to move a shared folder that is currently a team folder in Synology Drive, follow these steps: Feb 25, 2020 · Hello, I am a newbie to Veeam, the site I work at was setup by an external firm before I was employed. 225. 1-U4. What I an trying to do is set up FreeNAS 11. Nov 18, 2022 · To check the space consumption of snapshots: 1. Keep in mind that once you remove a snapshot, you can no longer revert to that Jul 8, 2017 · 18. Step 3. I use my ssd pool to record a bunch of video and delete unwanted stuff very frequently (pretty much daily). In the Device drop-down menu on the right, make sure your flash drive’s drive letter is selected May 16, 2023 · Free up space on TrueNAS boot drive. Windows 8. We recommend doing the following: Empty the Recycle Bin of each shared folder. You can run the following command: zfs list -t snapshot -r your_pool_name. But it's easier to destroy the data set. After completing the steps, you will Feb 27, 2021 · Open Storage and Snapshots, Storage / Snapshots and select the volume. Oct 13, 2019 · Behind the scenes this adds the new storage device to the existing ZFS pool freenas-boot. Select Yes. - USB drive B - to install freenas on to start with. Checking the Recursive box will set it to include child datasets of the chosen dataset. This erases the contents of the selected drive. The Free up space option will be under the Organize your library section. Select the desired install drive. Scroll down and tap on Battery and device care. Click the three dots on the right for the pool or dataset you want to create a snapshot for, then click “Create Snapshot”. Now, create a mount directory under ‘ /mnt/FreeNAS_Share ‘ in Client machine and mount the FreeNAS NFS Share in this mount point and confirm it using ‘ df ‘ command. Navigate to Tasks -> S. Select the desired folder and click Versioning. This can be done in the web interface by going to System > Settings > Volume Schedule. Files that have not been permanently deleted still take up storage space. Unfortunately, my problem still did not get resolved, as it…. Mar 15, 2023 · After NFS installed, use the following command to list the NFS share from FreeNAS. 93 GB (I assume this is correct, being each HD reported as 1863. if you delete a 150gb file that was created 15 days ago and this file is referecend in just one snapshot, you have to delete every single snapshot made in the last 15 days until the 150gb are free again. And look under the "REFER" column. Now click on the Create button. I freed some space but this has not helped. Nov 24, 2017 · Click on, tap or activate image to enlarge it. On the other hand, if you deleted 1TB, then the snapshot would be that 1TB. And storing data is, after all, the whole point of a NAS system. Open File Explorer from the taskbar and find the files you want to move. Select a photo and tap Done. It might take a while though. . But after I installed FreeNAS I found out that the PC can only work with 4 GB RAM max. Nov 9, 2019 · Select and add the new disk to the pool, as shown below. Turn on the switch for Storage Sense and then click the Configure Storage sense or run it now link Apr 17, 2018 · How to avoid "free up space" option removing the " always keep on this device" setting on a file or files? clicking on "free up space" on a folder in OneDrive removes the "always keep on this device" setting on a file/ on files. Tips to free up drive space on your PC. Otherwise, you need to use the "-t snapshot" list. I'm doing a clean, bare-metal install of FreeNAS on a 64 GB SATA DOM. mp yp ad wn iw ql hs ev qt lu