Proxmox 4.0 with zfs raid 1
I'm testing Proxmox 4.0 with 2x 1TB sata disks and ZFS raid 1. In the past with Proxmox 3.x and mdadm softraid the overal performance was better. Zfs takes a amount of cpu time. Can the performance...
View ArticleUrgent: High cpu usage in Proxmox ve 4 with ZFS
I have high cpu usage in proxmox 4 with zfs from such processes: z_wr_iss,z_null_int,z_wr_int etc ? Any idea why this is happening ?
View ArticleProxmox 4, two HDD , one for OS and other for VM , change first HDD with new one
I installed Proxmox 4 on HP server , and HP server has two HDD , one of them 80GB and another one is 1TB HDD. this HP server work for us over 5 years , without any error , we have another HP too ,...
View ArticleZFS rpool UEFI boot support
The wiki states Quote: It is not possible to use ZFS as rpool(root partition) with UEFI boot. But I could not find any information on the reason of this limitation. Could anyone please explain, where...
View Articlezfs performance ssd cache
Hello, I have a server with Proxmox 4 and 32gb ram ecc, 2 x 2TB ZFS + 2 for disk cache and log ssd ssd These values are correct? CPU BOGOMIPS: 35202.80 REGEX/SECOND: 1991832 HD SIZE: 1764.76 GB...
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install virtio scsi controller on "xp sp3"
Hello, I would like to migrate a IDE drive of a winxp pro sp3 to virtio. I followed the following tutorial https://pve.proxmox.com/wiki/Windows_XP_Guest_Notes (and others which approaches) but during...
View ArticleZFS Zil Log txg_sync causing high IO every 5 seconds ? Any solution
Is there any solution for Zil Log I/O...I know that every 5 seconds it flushes the data to disk but that is causing high I/O jump every 5 seconds even in small loads of Hard Drives ? My pool of zfs is...
View ArticleZFS Deduplication
Has anyone used Deduplication in ZFS pools ? Is it going to work after data are written ? I have read a lot about ram memory but I have enough and also have SSD drive as cache with 80k read IOPS which...
View ArticleAutomated container upgrade management
This may be a bit off-topic, but I'm seeking advice on what solutions work well with proxmox with regards to mass CT/VM upgrade management. As a web-developer I've been hosting my own clients on...
View ArticleVirtio vs. SCSI disk for Linux KVM guests
The installation guide at http://pve.proxmox.com/wiki/Installa...ines_.28KVM.29 suggests using virtio if the guest OS supports it. I'll be installing a CentOS 6 VM, which does seem to support virtio,...
View ArticleDRBD9 (8.9) dual-primary mode - Proxmox (4.x) Jessie (8.2)
Hi, is it possible to run drbd "9" in dual-primary mode or does it already use it? if i run Code: drbdmanage list-nodes it shows at my first node Code:...
View Articlepveproxy become blocked state and cannot be killed
Symptoms: - web UI not accessible Code: systemctl status pveproxy ● pveproxy.service - PVE API Proxy Server Loaded: loaded (/lib/systemd/system/pveproxy.service; enabled) Active: failed (Result:...
View ArticleProblem with remove disk on ceph storage
Hello all. I have problem with proxmox4 and remove ceph disk. I saw bug report https://bugzilla.proxmox.com/show_bug.cgi?id=553#c1 My problem reproduced this way: I created vm on proxmox cluster and...
View ArticleNAS Solution for backup
Hi All I know, it's not an new post and there is a lot of post of this,I have review a lot of them and still have doubt, I expose our situation and hope that someone can help us to choose the better...
View ArticleMore up to date check_mk (nagios) plugins for Proxmox
Hello, I'm moving forward with using OMD (based on Nagios and check_mk) to monitor my environment. I've found some plugin information (https://pve.proxmox.com/wiki/Nagios_check_mk and...
View ArticleMigrating Physical to Virtual
Greetings, We are using Proxmox VE 4.0. We have a Dell VRTx running 2 blades and a bank of drives. We have setup the Drives as LVM Shared storage. I have tried Clonezilla (device to remote device and...
View Articleuse GVRP to register VLANs in switch
Hi, We are looking for one way to using GVRP to register the VLANs created in Proxmox hosts (VMs and CT) in the switches. In all the tests we do, the switch never receives GVRP packets. Can we use GVRP...
View Articleonline fstrim in ext4 for local qcow2 image
Hi, I want to get fstrim working with no luck so far. What I did so far: 1. Switched from virtio-blk to virtio-scsi (changed the disc to scsi0 and changed the emulated scsi-controller to VIRTIO) 2....
View Articlegeneric install of linux headers
Hello, I know I can manually install all the headers I want. But is there a way that with each new kernel to be installed I get the appropriate headers package too? This would be quite useful for...
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2.6.32-43 kernel panic on boot - possibly Infiniband related
When booting up 2.6.32-43-pve I get a kernel panic when it tries to load my network interfaces and create a bond. Watching a normal boot the first bond is for the Infiniband ib0 and ib1, so I suspect...
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