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Good day. We have a nasty Proxmox kernel error on a RAID1 system: (out of /var/log/messages) May 10 14:58:37 proxmoxXXX kernel: [57269.175789] scsi target0:1:0: volume handle(0x00be), volume wwid(0x05ac9c5b28c5dbfb) May 10 14:59:06 proxmoxXXX kernel: [57298.871751] sd 0:1:0:0: attempting task...

Do you have Windows or Linux-VMs ? If Windows, do you take backups in Snapshot-mode ?

oops. almost the same Minute I asked, you answered. Thank you. ;-)

ok. This was a good idea. Thanks. I have the same problem. The hdd-performance slows down the System by factor 6 while taking the backup (lzo/snapshot). Limiting the backup-dump-Speed/Performance might take the trick. I will do some more tests the next days. Can s.o. from the proxmox-team answer...

Hi Adrian, we have the same problem. I was just about to post almost the same thread. ;-) It happens for us only, when we want to backup Windows-2008 Server in snapshot mode. I haven't noticed this, when I backup Linux-VMs. I have seen this in VE 2.2, 2.3 and 3.1 We are storing on NFS-shares. It...

I have decided to setup a new proxmox system and see, if the backup-problems happen there too.

Thank you. The production server is 30 GB. The test-server is 50 GB. The server does have a second NIC. I could try the other LAN-interface. Indeed. I will give it a try when I am at the data-center the next time.

root@proxmox:/home/someone# cat /etc/pve/storage.cfg dir: local path /var/lib/vz content images,iso,vztmpl,rootdir maxfiles 0 iscsi: nexsan target xxx portal xxx content images nodes proxmox nfs: backup_proxmox path...

pvs: PV VG Fmt Attr PSize PFree /dev/sda2 pve lvm2 a-- 110.32g 13.75g

The server doesn't use the same hdds for local storage and backup. I was trying to post the pvs,vgs output but couldn't. ?

Hi Udo, thank you. These are the outputs. The backup-target is another backup-NAS-server in another network. (But I tried it already with a second box without any changes). The target is not on the same hdd like the local storage. pvs is: root@proxmox:/home/something # pvs PV...

Ja, das hatte ich eben schon selber gesehen. ;-) Danke.

Hi everybody, to be honest, I am a little bit adviceless. We have a Proxmox running under 2.3-13 (upgraded from 2.1 recently). Running/administration is running fine. The engine resides two Windows-2008 R2 server. One as a test-server, the other in production mode. We do snapshot backups. One...

All 20 seconds these messages appear in /var/log/messages May 9 23:27:51 proxmox kernel: sd 9:0:0:2: reservation conflict May 9 23:27:51 proxmox kernel: sd 9:0:0:2: [sdd] Test WP failed, assume Write Enabled //// Any ideas what could cause this ? We have proxmox kernel 2.3 running...