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i really do not understand. what means cacti?

i dont think that this was the question, but of course you are right. If the only backup you have is on local machine, it is really useless. i am backing up to local raid+another local drive+two external machines hundreds of kilometers away. this should work :)

backup to hdd1 on mo,wed,fri,sun backup to hdd2 in tue,thu,sat or if you want to mirror backup dir, just use rsync+cron if you have a raid controller, configure the two backup hdds as an RAID1 :)

how exactly did you do this?

Hi, i managed solving my problem. Turning back to original proxmox debian (5.0 lenny) solved it. Possibly there are problems with the newer lvm tools. You can see in some proxmox 2.0 beta threads similar issues. So are they confirmed? Is someone working on it? Will this be fixed in stable 2.0...

:((( Now i have ext3 AND hw-raid and i am getting the same errors. today in the morning the host made his backups. some hours later it was not reachable at all. looking in the log telled me the same as mentioned above?!? What is going wrong here??

Wow, nice configuration! :D Actually I had no performace problems with my VMs, but if you read the whole thread, i had other problems. ;) Now I am on HW-Raid 5 and hope they are solved :) Edit: Just thougt of 3 SSDs in an RAID Array! :D This should be fast enough hehe

I am not very familiar with administrating raid controllers It seems that there is no battery status and no write-back cache root@kvm:/home/le# /opt/MegaRAID/MegaCli/MegaCli64 -AdpBbuCmd -aAll Adapter 0: Get BBU Status Failed. Adapter 0: Get BBU...

Updated to raid5 and ext3 now this is my pveperf root@kvm:/home/le# pveperf CPU BOGOMIPS: 52794.01 REGEX/SECOND: 1545265 HD SIZE: 49.61 GB (/dev/sda2) BUFFERED READS: 274.44 MB/sec AVERAGE SEEK TIME: 6.74 ms FSYNCS/SECOND: 232.19 DNS EXT: 57.00 ms DNS INT...

We will upgrade to HW-Raid Controller with 3x 3TB HDD. Hope this will solve this weird problems

what disadvantages has ext4 on my root partition? kvm virtual machines are stored in seperate lvm volume group with no underlying file system. hw-raid is expensive! :P

ext4 What means fsync? How to increase? The machine does not have a HW-RAID, and i alsways made bad experiances with SW-RAID. root@kvm:/home/le# mount /dev/mapper/vg0-root on / type ext4 (rw) tmpfs on /lib/init/rw type tmpfs (rw,nosuid,mode=0755) proc on /proc type proc...

root@kvm:/home/le# hdparm -I /dev/sda /dev/sda: ATA device, with non-removable media Model Number: ST33000650NS Serial Number: Z290GE0S Firmware Revision: 0002 Transport: Serial, SATA Rev 3.0 Standards: Used: unknown...

Switched to 2.6.32 kernel now. With vms running: root@kvm:/home/le# pveperf CPU BOGOMIPS: 52799.20 REGEX/SECOND: 1483964 HD SIZE: 49.61 GB (/dev/mapper/vg0-root) BUFFERED READS: 148.45 MB/sec AVERAGE SEEK TIME: 7.56 ms FSYNCS/SECOND: 57.31 DNS EXT: 60.21...

root@kvm:/home/le# pveversion -v pve-manager: 1.9-26 (pve-manager/1.9/6567) running kernel: 2.6.35-2-pve proxmox-ve-2.6.35: 1.8-13 pve-kernel-2.6.35-2-pve: 2.6.35-13 qemu-server: 1.1-32 pve-firmware: 1.0-14 libpve-storage-perl: 1.0-19 vncterm: 0.9-2 vzctl: 3.0.29-3pve1 vzdump: 1.2.6-1 vzprocps...

Nobody an idea?

I was not allowed to post such a long text. ill post as attachment! :)

http://pastebin.com/KYbTgxqQ

another server, no raid, same problem :( What can cause this error??

okay. but i lose the ability to make backups without turning off i think? ;)