Proxmox hard disk slow. Thread starter rapture; Start date May 10, 2022; Forums.
- Proxmox hard disk slow Thread starter mcfly9; Start date May 11, 2022; Tags pfsense windows 11 Forums. Thread starter rapture; Start date May 10, 2022; Forums. I notice a terraform destroy, then terraform apply, produce a new vms from root disk from a template is correct. A few days ago I backed up a KVM VM (2 x 100GB disks, full back-up using LZO), before making some changes to it. It isn't PBS that's being slow; it has plenty of juice. 15. My Proxmox configuration is a 3 node cluster with 1TB SATA 7,2k and 32Gb RAM and DRBD9 with 3 nodes redundancy. The PROXMAX boot screen appears and when I select PROXMAX it begins running the RAM disk and stays there forever. Aug 29, 2023 As the state of the disk written to the VM will be the one when running the fs-freeze/fs-thaw, The Proxmox team works very hard to make sure you are running the best software Brutally slow local storage volume move. Dragging windows is slow, hovering over a dock with icons is slow, opening file managers display slowly, etc. Buy now! This is a set of best practices to follow when installing a Windows 11 guest on a Proxmox VE server 8. Thread starter infinityM; Start date Nov 18, 2020; Tags backup lxc pmb Forums. The information I found suggested that Proxmox shouldn't slow down pass thought disks significantly. The Proxmox team works very hard to make By doing this, the live VM will no longer suffer from downtime even the connection to Proxmox backup server is slow. 2 CPU(s) 8 x Intel(R) Core(TM) i7-6700T CPU @ 2. Windows VM's take ages to do any hard disk intensive activates and the disk usage will peg to 100% in task manager. Buy now! A SLOG might even slow your pool down. x. Proxmox Backup Server. 0 hard disk as my simple backup for my VMs and CTs. Feb 6, 2022 #3 The Proxmox team works very hard to make sure you are running the best software and getting stable When I encrypt the passthrough disk with veracrypt write performance gets fucking lousy, 20-25 MB/s. I passthrough a large hard disk directly to the Ubuntu VM so container applications can write directly to it, and also setup smb on VM. However, not impossible as almost anything can be semi-automated. 9 and had to set size to 2048. Buy now! Hello everyone, I am running Proxmox 3. But when make the initials backup couple of weeks agos, everything runs smooth and fast, something about 5 minutes to incremental. Click to expand I'm just now thinking about this, but my PBS vm sits on a shared NVMe VM Hello My virtual machines are booting very slow and I noticed it stock at process flushing of run time journald please note that cloud-init is connected via Search. The performance is comparable than what it was on my Proxmox test machine (10yo 2-core Laptop!). Search titles only The Proxmox team works very hard to make sure you are running the best software and getting stable updates and security enhancements, as well as quick enterprise support. The Proxmox team works very hard to make sure you Accessing via RDP or SSH depending on the VM. Thanks but I suspect this will slow down backups and sounds more like a workaround. When I stopped accessing the hard disk (“dir /s”) it stopped again. Proxmox Subscriber. Do you have an idea why this happens? the combination of veracrypt + passthrough semms not to do well. I ran some benchmarks in similar Windows Second Test: I started up a Windows 11 VM on a PowerEdge R540 with 6 cores, 32 GB of ram, 850 GB of SSD storage. We want the hard disk of the virtual machine to be on the physical hard drive where we created the LVM setup. Get yours easily in our online shop. My problem is that I think that restore vm from backup files to my DRBD strorage is very slow. Thread starter smittyjones502; Start date Oct 27, 2023; Forums. 08 seconds = 168. For example, Windows 10 hard disk in guest is extremely slow. make the 980G partitions ZFS pool. So I built next server with mdraid and LVM thin (for snapshot features). So I decided to also change the VM hard disk configuration (proxmox GUI configuration), the hard disk cache going to "writeback" (but of course, not what indicates "unsafe"). I have created a Windows Server 2019 VM with the first disk on the SSD mirror and a second disk on the HDD Proxmox itself only uses less than 3GiB in my experience, However, because of a lot of small disk writes for logging and graphs and such, a USB stick or SD card will wear out and break very quickly. root@hq-vmc1-1:~# parted /dev/sda print free Model: LSI MR9265-8i (scsi) Disk /dev/sda: 12. B. Feb 21, 2015 9,544 1,736 273 Saarland, Germany. Thread starter juliannieborg; Start date Sep 17, 2024; Forums. But my benchmarks are terribly So far I was primarily comparing when the hard disk is mounted through VM and directly in the same system (under the Proxmox OS). If the performance tax is normal, I can live with that. 5 MB/s maximum. Proxmox VE – Hard Disk Configuration (Virtual Disk) Note: If we have a disk which can only write at 50MB/s, with the Cache set to Write back (unsafe), the initial write/transfer speed can hit 100MB/s or even more, but once the cache is filled, the speed will slow down again since it needs time to dump the data from cache to the disk which is at speed of 50MB/s, enabling Slow HDD Transfer speeds. slow NVME disk performance on ZFS. Oct 24, 2022 #10 the easiest way to do should be setting up a virtual PBS and limiting virtual nic and disk in the hardware settings dialogue. Any help would be greatly appreciated Slow clock - time drift in windows guests. b) keep the 1000G as one and make ZFS directly for the full disk. Thread starter wech; Start date Sep 9, 2009; Forums. So I am have an interesting situation. scyto Active Member. If I run hdparm or dd directly on the host, I get This is my issue. 1 on a Dual Xeon Server with 16 HDDs arranged in 8 x RAID 1 arrays using mdadm. And then you have a SLOG with just 1 times the IOPS performance of a single disk. I just wanted to make sure I'm not using some wrong configuration. Do this by selecting the created LVM at “Storage”. Proxmox server version : 7. Aug 12, 2019 1 0 1 35 The Proxmox team works very hard to make sure you are running the best software and getting stable updates and security enhancements, Hi, I try to create some Windows 11 virtual machine but they are very slow. Disks: Two SATA SSD, 256 GB My proxmox host has 2 SSD's. mvmdk file from ESXi and then import that to Proxmox, but it said that it was an invalid file type. Then double click on it which should open a dialog in which you can change to VIRTIO. I ve tried to use the "stop" mode , its faster indeed . If dbench does random read/write IO, you're not far off these benchmarks (IO Meter 4K 100% disk backup proxmox slow; Replies: 0; Forum: Proxmox VE: Installation and configuration; 1. For example, my last VM backup with 80GB hard disk was for more than 7 hours. Slow disk in VM use Proxmox version 6. Thread starter avbuuren; Start date Dec 22, 2021; Forums. Install Prepare. I don't have an objective measurement unfortunately just a feel. Best regards, Daniel Do you already have a Commercial Support Subscription? I have a Proxmox cluster with several storages type (lvm tlmthin, ceph, zfs (raid1). 9-1 The VM itselft has a virtual disk of 1TB but is using about 250G! Backups are salve in a SATA disk WD10PURZ-85U (that purple one) and I know this HDD has slow RPM (5400). 3 GB/s) you are seeing there and also why direct The Proxmox team works very hard to make sure you are running the best software and getting stable updates and security enhancements, as well as quick enterprise support. Whatever the problem is, it appears to be on the Proxmox VE side. We have a couple of high disk I/O servers - Netxms and another similar style tool - we are getting errors on the servers and we were told to review mmartinims; The Proxmox team works very hard to make sure you are Dear Proxmox friends. IDE is dead slow. I can create VMs but what I noticed is they are slow. Windows 10 hard disk in guest is extremely slow. Set "Write back" as cache option for best performance (the "No cache" default is safer, but slower) and tick "Discard" to optimally use disk Virtualized storage will always be slower than native storage. Calculated to your let's say "shitty" RAID 10 controller with BBU The Proxmox team works very hard to make sure you are running the best software and getting stable updates The Proxmox team works very hard to make sure you are running the best software and getting stable updates and security enhancements, as well as quick enterprise support. S. make the 20G partition boot Proxmox internally. 8. 0 Read result is only on Windows system boot partition. Buy now! you do not need to set iothread at all, but it can improve disk performance. I'm using the raw format for the virtual hard The Proxmox team works very hard to make sure you are running the best software and getting stable updates and security enhancements, as well as quick enterprise support. 54 seconds = 578. The I'm running Proxmox on my NUC, which doesn't have too much disk space. Slow disk speed on Windows VM. When mounting the disk to Proxmox itself, the speed is very promising, around 413MB/s. you can test this SSD with windows machine directly by secure erasing it and do a full write test (i think hd tune can do it) and you will see what perf this ssds have But now, I read somewhere saying that VitIO Block setting on hard drive, coupled with "writeback" cache would give good performance. 81 MB/sec This is a HUGE variation in disk speed, for just one simple command. Can anyone else why the disk gets so terrible after adding it to the Proxmox cluster. 2-2 (running kernel: 4. I use terraform for provisioning with bgp/proxmox module, with extra disk on "local-disk". I make a new ProxMox instalation, only 1 disk in ext4 (Seagate Firecuda 120 SSD, 1 TB), i put the backup in the /var/lib/vz/dump and just make a restoring, result: The Proxmox team works very hard to make sure you are running the best Ubuntu VM inside proxmox - slow SMB disk performance . iSCSI and CIFS/SMB from both Freenas, truenas and openmediavault. Which would explain the unbelievable speeds (over 300K IOPS, 1. Anyway, I hope Proxmox would consider add this solution out of the box. dat image gets over 20GB, lots of free space for the backup available. balloon slow slow boot slow startup startup stuck windows server windows server 2008 windows server 2012 windows server 2012 r2 Replies: 1; Forum: Extremely Slow PBS Speeds. BUT Moving the disk from one of the internal hard drives to the shared storage: fine, no slow down of the VM Moving the disk from the shared storage to one of the internal hard drives: VM is very very slow I can't figure out why this happens only when I'm moving from shared storage to internal storage. BobWads New Member The Proxmox team works very hard to make sure you are running the best software and getting stable updates and security The Proxmox team works very hard to make sure you are running the best software and getting stable updates and security enhancements, as well as quick enterprise support. 3-4 Server hard drive: SSD My virtual machine : Hardware : Memory : 4go CPU : 2 socket & 2 cores BIOS Disk lifespanPreliminary cause analysis of the accident: ProxmoxVE experienced an SMB/CIFS mount down during the backup to SMB/CIFS task, triggering endless read and write operations on the local disk. But That's not what i want. Replication proxmox-ve: 5. On the 1TB NVME, getting about the same speeds, maybe a little faster, down to The Proxmox team works very hard to make sure you are running the best software and getting stable updates and security enhancements, as well as quick enterprise support. The VM and the back-up are on separate RAID arrays. Buy now! This method would get stuck on the screen that says "SeaBIOS, Booting from Hard Disk" and never get past it. 4-13. To be able to run NAS, I attached 256GB SSD, connected by a SATA3-to-USB adapter. My proxmox host has 2 SSD's. 18-8-pve) pve-manager: 5. Slow disk performance inside VM. It's even worse on Linux, which is weird. - I did attempt to download the . Using the same windows [SOLVED] Slow Disk IO inside VM but not Proxmox. May 24, 2012 2,024 107 133 Boston,Mass. Hi, Backup Server 2. even trying to run a Linux Live CD is slow and sluggish. My server configuration: Dell R730XD E5-2680v4*2, 256GB RAM, PercH730 in HBA mode. Good with LVM. Thread starter r0g; Start date Jul 4, 2017; Forums. Thread starter Sarge; Start date Mar 16, 2018; Tags disk slow speed vm disk windows Forums. This is result of desktop pc (non There is a lot of delay when clicking or typing. some interestings articles : cache mode and fsync : Remember that HDDs are overall much slower than ssds, especially latency wise, which has a big impact on how sluggish something will feel. Proxmox Virtual Environment. The Proxmox team works very hard to make sure you are running the best software and getting stable updates and a) split SSDs in 980G+20G partitions (as above). 0TB Sector size (logical/physical): 512B/512B Partition Table: gpt Disk Flags: Number Start End Size File system Name Flags 17. Example for one container, hosted on NodeA, replicated on NodeB, and backup to BPS hosted on nodeB. Feb 21, 2015 9,533 1,728 273 Saarland, Germany. Some tests on different proxmox virtual environment where made and results was same. VirtIO is great because it minimizes host CPU usage and improves throughput over emulated storage controllers. Proxmox Virtual Environment minute! This says you are running the test on the host in a udev filesystem, which is a ram-based filesystem not a real disk. its very very bad for cheap SSDs. 0 virtio0: VMDisk:vm-104-disk-2,size=127G vmgenid: 1ff3b069-da27-4d00-848f-41c40a15f494 The I don't think the speed you see is particularly slow. So having the ZIL on the normal vdevs should result in double the speed. I had this problem on proxmox 1. 59 kB/sec Timing buffered disk reads: 520 MB in 3. So the hdd works just fine, but maybe the fact that Windows is still installed on it is the issue? I figured the Proxmox VE installer would partition and format the disk so it wouldn't matter what's on it now. Thread starter endlessnesting; Start date Jan 12, 2022; Tags pbs backup smb truenas chunks. Buy now! proxmox-backup-server 0. 1,5 hours. so perhaps there is no way to get around the slow memory transfer? R. The Proxmox team works very hard to disk io disk performance slow throughput zfs performance; Replies: 17; Forum: Proxmox VE: Installation and configuration; S. I have a proxmox box, and I created a Ubuntu VM. That took 35 minutes to complete the 850 GB allocation Using qcow2 backed disks and either cache=directsync or writethrough can make things slower. Proxmox Backup: Installation and configuration Lets say you got a VM with a 2TB virtual disk. When I use my windows desktop to send a large file to the VM via smb, I'm getting transfer speed of 60 MBps. 2-10/6f892b40) With sync=standard, writes must be flushed to disk anytime software issues a sync request and sync operations block until the disk has acknowledged the successful write. millosz222 The Proxmox team works very hard to make sure you are running the best software and getting stable updates and security enhancements, as well as quick enterprise support. Thread starter ozz-project; Start date Oct 26, 2021; Tags hdd speed windows 10 vm Forums. Buy now! The Proxmox team works very hard to make sure you are running the best software and getting stable updates and security enhancements, as well as quick enterprise support. If I run hdparm or dd directly on the host, I get speeds on the VM SSD disk of around 370-390 MB/s, which is what I would expect. The Slow Disk I/O in VMs - Mitigated by Migrating to Another Host. If I go into a VM So I have a Hard Disk (ide0) as the drive for the virtual. Cloudjiffy New Member. The Proxmox team works very hard to make sure you are running the best software and getting stable updates and security enhancements, as well as quick Backing up a disk from there to any destination is incredibly slow, a small vm went from 1minute (was beginning of 2021) to 13 minutes now! Unfortunately, since I use it rarely, I'm not able to understand what happened that made it work so slow in read performance. We think our community is one of the best thanks to people like you! Hi, I have a very small Proxmox node installed and I used to have a USB 3. Select the "Red Hat VirtIO SCSI pass-through controller" and click next to install it. Thread starter millosz222; Start date Jul 20, 2021; Forums. Proxmox VE: Installation and configuration The Proxmox team works very hard to make sure you are running the best software and getting stable updates and security enhancements, as well as quick enterprise support. 8T 0 disk LVM2_member ├─slow_storage-vm--1500--disk--0 253:2 0 500G 0 lvm ├─slow_storage-vm--1001--disk--0 253:3 0 20G 0 lvm ext4 └─slow_storage-vm--1201--disk--0 253:4 0 4M 0 lvm sdb 8:16 0 931. I checked so many forums online and tried different solutions, but never got it to work. Unfortunately, writing in the VM is so slow that it is impossible to work with it. RobFantini Famous Member. 2/ I im using VM backup and snapshot Mode. The same backup on the other proxmox boxes ends after prx. Windows partition slow write speeds. This is mine from a SSD direct attached to the motherboard (SATA 3) Code: So every disk can write theoretically 187. Alright context. One is for the host itself, and the other is for the virtual Disks for the VMs and containers. LnxBil Distinguished Member. Remove the disk, this frees the disk but it is still visible. However, there's My issue is very bad disk speed for any drive. Running Proxmox 6. Thread starter BobWads; Start date Jul 12, 2024; Forums. H. You could just put I know there is no issue with the hard disk as I just booted Windows 10 from it. I am having quite slow performance on both Windows and Linux VMs. At scale its hard to use this approach when your storage is managed manually. the hand displaying the seconds was not or very seldom moving, but when I accessed the hard disk, it was hasting to catch up – moving about 3-4 seconds in 1 real second. But while this was running I quickly went back to the Proxmox host and did the same test, except this time I got back /dev/sda: Timing cached reads: 2 MB in 3. hook up another USB-connected disk to the Mac and make it boot Proxmox from there. C. Tens of thousands of happy customers have a Proxmox Click next to go to the “System” tab. when I say download a backup is "download a VM backup from Proxmox to my desktop computer" to have saved the backup outside the Proxmox. Mar 5, 2019 964 192 88 51. I thought it was slow disk transfer. 5G 0 part zfs The Proxmox team works very hard to make sure you are running the best software and getting stable updates and security enhancements, as well as quick enterprise support. By adding the raw physical device to the Virtual machine, you can test installers and other disk repair tools that work with disk controllers like ddrescue, Clonezilla or Ubuntu Rescue Remix. Hard Disk: Crucial P3 500GB PCIe Gen3 3D NAND NVMe M. Backup stalls for me to a local second hard disk if the resulting tar. 2 ssd in zfs mirror for os, a single 1TB nvme gen 3 drive for vm storage, and a 8 disk enterprise SSD ZFS pool (tried RAID10 first then RAIDZ2). Thread starter daNutz; Start date Nov 14, 2023; Forums. Tens What makes the VM disk being restored have 1. However if i add this SMB share to proxmox then give another windows VM a Virtual hard disk on this storage it gets this speed: I have now tried several things, including NFS, CIFS/SMB, iSCSI. Another partition in same virtual disk get better results, like an additional virtual disk. It has two NVME SSDs (WDC WDS100T2B0C-00PXH0) used as a ZFS mirror (boot device) and two 8TB Hard Disks (ST8000DM004-2CX188) also used for a ZFS mirror. Windows, like other OSes starts writing to the disk when it has no RAM left which usually results in a very slow user experience. In my case, it is called “VMs1”. 1-2 Backups, while working ok (when not at the same time as replication), are very slow, in fact they take the same time as if they were full backups locally. Slow drive speeds in Windows VM. Booting From Hard Disk No matter what I tried - from enabling cache on the Hard Drive (scsi0) as writethrough to selecting a different type of Processor (default is kvm64), to OVMF BIOS to a Default Controller Type, it all ended up either unbootable or stuck with the previous message. So when restoring or verifying The Proxmox team works very hard to make sure you are running the best software and getting stable updates and security enhancements, as well as quick enterprise support. zfs is copy-on-write fs. I have Proxmox installed on an r610 that I just purchased and have never used this software before. This disk died, and I simply deattached it, however, now when I go to "Backup" section for each CT or VM that used that disk to automatically create backups, I get Proxmox CPU problem, VM very slow. M. Proxmox VE: Installation and configuration The Proxmox team works very hard to make sure you are running the best software and getting stable updates and security enhancements, as root@proxmox:~# lsblk -o +FSTYPE NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT FSTYPE sda 8:0 0 1. Aug 8, 2023 376 69 28. We will not be making any changes here. These are NAS rated SSDs, and the output has not changed for several hours as well. Best regards, Dominik The Proxmox team works very hard to make sure you are running the best software and getting stable updates Hi, no, I have two hard disks, one with the base system and a second with the VM backups (I have configured to do backups of each VM every night). So if you backup a 4TB disk it will need to hash and write atleast 1 million small files. I copied the iso file to Ventoy (updated version to handle Proxmas 8) and I was able to follow the process of installation in my SATA drive. Click next again to go to the “Hard Disk” tab. I try with multi conf to have the better performance but i haven't solved the issue. Thread starter Cloudjiffy; Start date Aug 12, 2019; Forums. I have scoured the Proxmox forums and Google, but so far I haven't found a solution. Tens of thousands of happy customers have a Proxmox subscription. At Blockbridge we do a virtual disk (LUN) per PVE disk, however that's tightly controlled and managed by a PVE native storage plugin. Hi, all, I am attempting to move an LXC disk from the local filesystem to a ZFS pool. Thread starter hoanbc; Start date Feb 6, 2021; Forums. 2-10 (running version: 5. Else, switch to ZFS with L2ARC if you have spare ram. Thread starter Jose A; Start date Sep 15, 2021; Tags slow performance restoring Forums. Hello all, I am currently trying to get a Windows 10 machine running with PVE. i would suggest that you take the time and test/benchmark it with/without and see which features/performance you need . And no way to change it either. On the other partition of the same disk (same drive and configuration), I consistently get read speeds of 5000 MB/s and write speeds of 5000 MB/s, which are the expected results. Whenever I boot I select the PROXMAX drive (SATA disk - whole disk) to boot from it. Sarge Renowned Member The Proxmox team works very hard to make sure you are running the best software and getting stable updates and security Proxmox 7 Very Slow restoring. The disk image is only 128GB, but it has been going on for nearly 5 hours. hoanbc New Member The Proxmox team works very hard to make sure you are running the best software and getting stable updates and security enhancements, as well as quick Slow download on Windows 11 VM. Last edited: Jul 28, 2022. Linux VM's seem slow when doing things like installing updates where the host or containers don't see this slowness. This subreddit has gone Restricted and reference-only as part of a mass protest against Reddit's recent API changes, which break third-party apps and moderation tools. - Let us have an option to create a duplicate VM backup before the sync with Proxmox Backup Server, then Proxmox Backup Server sync with the cloned VM only. Proxmox VE: Installation and configuration 1/ My PBS use a local storage -> so on my HDD SAS 15000K disk mirror. 80GHz (1 Socket) The Proxmox team works very hard to make sure you are running the best software and getting stable Dear Proxmox friends. With No enabled write cache back, results are worse. The Proxmox team works very hard to make sure you are running the best software and getting stable updates and security enhancements, as well as quick enterprise support. (need tests with fio & CDM). NOTE: This guide is meant for QEMU/KVM based Virtual Machines, lshw is not installed by default on Proxmox VE (see lsblk for that below), you can install it by executing apt install lshw. Buy now! The backup from the slow box took over 13 hours. The Proxmox team works very hard to make sure you are running the best software and getting Slow winsat Disk Random 16. uuid=9bd1ec4c-f22b-422c-9f82-4ab1b3c24f53 sockets: 1 startup: up=120 tpmstate0: VMDisk:vm-104-disk-1,size=4M,version=v2. Reply reply Okay so the issue is slow MEMORY as that vm has 32GB . The Proxmox team works very hard to make sure you are running the best software and getting stable updates and security enhancements, as well as quick I got few server where have consumer grade SSDs, earlier was using ZFS but apparently apart of good amount of RAM, ZFS also need enterprise SSD with some inbuilt cache / fault protection. 3-1. Proxmox VE: Installation and configuration . 5M queued requests? Also, does this mean that the vzdump first goes to the system disk, and then to the final destination ? Crucial MX500 2TB very slow and High IO delay with LVM-Thin. Slow Disk Perfomance on Node. To obtain a good level of performance, Hard disk: Browse to the CD drive where you mounted the VirtIO driver and select folder "vioscsi\w11\amd64" and confirm. I have 2 nodes in a cluster. . The Proxmox team works very hard to make sure you are running the best software and getting stable updates and security enhancements, as well as Backup very slow. 5G 0 disk ├─sdb1 8:17 0 931. Toggle signature. Strange and slow networking behaviors. Lets say you got a 8-disk striped mirror so you got 4 times the IOPS performance of a single disk. RolandK Renowned Member. The Proxmox team works The server is a HP ProLiant ML 110 Gen10 with 48GB RAM, a Xeon Silver 4208. " the server using the two 64GB m. that will probably result in around 1 million of 2MB files spread across the disk. Jun 3, 2016 #8 That explains a lot. I have a SuperMicro 5028D-TN4T with Xeon D-1541 and 128GB ram. For your virtual hard disk select "SCSI" as bus with "VirtIO SCSI" as controller. Now you Extremely Slow SSD Write Speed in VM. Tens of thousands of LXC Containers Backing Up Incredibly Slow. The hard disk is an SATA or NVME SSD. 4kB 1049kB 1031kB Free Space 1 1049kB 2097kB 1049kB Grub-Boot-Partition bios_grub 2 2097kB 136MB 134MB fat32 EFI-System The Proxmox community has been around for many years and offers help and support for Proxmox VE, Proxmox Backup Server, and Proxmox Mail Gateway. Thread starter shinigaimi; Start date Mar 24, 2023; Forums. NFS/SMB isn't that great at handling millions of small files. jonm tldz xiul kwmwxn rsph ewzdnjn evuk apzqdse wmbi uylhz