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  1. J

    Proxmox is rebooting after adding RAM

    Hello, my Proxmox server had 32GB RAM but it turns out that it's not enough, so I removed all RAM modules and insert a new modules, now I have 64GB RAM, but Proxmox is rebooting after couple of seconds. Memtest not found any problem with RAM. Is there some parameters that should be rewrite or I...
  2. J

    [SOLVED] Hypervisor and all VMs hungs during high IO loads

    I fully understand what you mean. Now my Proxmox seems stable, arcstat shows about 10-16GB available. Workload is stable too, except time when the backups are in progress. I am aware of potencialy the same crashed could happen in the future, if my workload will rise. Unfortunately I don't have...
  3. J

    [SOLVED] Hypervisor and all VMs hungs during high IO loads

    Perhaps, but I have 32GB physical RAM and runs one VM with 16GB RAM and it seems to not enough for ZFS writes. After reboot I saw about 16-12GB available in arcstat, but when my VM starts a database backup, its down to even -285MB. If its not crashed it stayed on about 300-400MB available. But...
  4. J

    [SOLVED] Hypervisor and all VMs hungs during high IO loads

    Adding more RAM solved my problem with crashing. No need to change HDDs. ZFS eats so much RAM
  5. J

    [SOLVED] Hypervisor and all VMs hungs during high IO loads

    It's a typo, it should be one hour later :) But now I found a process in the VM, which starts (and writes 35GB of data )at the same time as the proxmox crashed. So maybe I have perpentrator. @tomaslederer in the end change ZFS to ext4. But I know he has a different situation, his proxmox...
  6. J

    [SOLVED] Hypervisor and all VMs hungs during high IO loads

    I have about 6 Proxmox servers and I have no trouble at all with those Gold Enterprise, except this one. Anyway, slow disks should not reset whole Proxmox server. Smart looks clean to me. It hangs one hour after backup was made. In that time I'm not registering any process which should made hi...
  7. J

    [SOLVED] Hypervisor and all VMs hungs during high IO loads

    But I don't care about performance, I care about Proxmox is going to reset when hi IO load happens.
  8. J

    [SOLVED] Hypervisor and all VMs hungs during high IO loads

    But there are four of WD GOLD Editions, I thought a GOLD edition is good, is it not ?
  9. J

    [SOLVED] Hypervisor and all VMs hungs during high IO loads

    I have the same error, except I have 4x ata-WDC_WD2005FBYZ in Raid10 ZFS. Hi IO load reset hypervisor, not only hangs for a while :( Jul 22 03:22:03 proxmox2 zed: eid=16 class=delay pool='rpool' vdev=ata-WDC_WD2005FBYZ-01YCBB1_WD-WMC6N0E7255V-part3 size=8192 offset=1073236172800 priority=0...
  10. J

    Adding DRBD shared volumes to Proxmox to support Live Migration

    Hi, I followed this article to build-up 2-nodes Proxmox Cluster with shared DRBD. I do not understand why I need two drbd partitions, both are Primary/Primary ? I builded-up exactly according that scenario and VM's running on proxmox01 are stored on r0/drbd0 device, BUT when I migrate it to...