Unfortunately, I do not have such luxury by now... SSD is out of the question, for a moment... But I changed from USB device to SAS device, in hope to improve the I/O performance... But no success... The VM itself, is running is SAS as well, since it hosted in an IBM Storage...
I'm still search the cause of issue... Thank you BTW... 2014-08-27 14:04 GMT-03:00 Iosif Peterfi <iosif.pete...@gmail.com>: > Mitigate the I/O bottleneck by assigning different hard drives, even > consider using enterprise grade ssd. > > > > > On Wed, Aug 27, 2014 at 6:55 PM, Gilberto Nunes < > gilberto.nune...@gmail.com> wrote: > >> Hum... At first moment, I thought I/O could being a trouble, since I was >> ran backup in USB devices. >> But now, I ran backup task on SAS disk! So performance and I/O is not an >> issue here... >> And, I can't shrink the file, because the entire disk is being used to >> all databases as I described before... >> >> If somebody else has any other advice, I will appreciate... >> Thank you >> >> >> 2014-08-27 13:47 GMT-03:00 Bart Lageweg | Bizway <b...@bizway.nl>: >> >> High I/O when you backup ? >>> >>> >>> >>> Try https://pve.proxmox.com/wiki/Shrink_Qcow2_Disk_Files (when you have >>> a good backup!) >>> >>> >>> >>> *Van:* pve-user [mailto:pve-user-boun...@pve.proxmox.com] *Namens *Gilberto >>> Nunes >>> *Verzonden:* woensdag 27 augustus 2014 18:47 >>> *Aan:* pve-user@pve.proxmox.com >>> *Onderwerp:* [PVE-User] backup takes so long to finish >>> >>> >>> >>> Hello >>> >>> I have a VM with Windows 2012 running nicely in PVE 3.2. >>> >>> This VM has a 300 GB disk size that was re-partition with 5 or 6 >>> different parts, in order to allocate different databases... >>> >>> The issue is that the backup task takes 6 hours to generate a lzo file >>> with 13 GB size! >>> >>> However, I have another VM, which is Windows 2008 with disk 120 GB size. >>> >>> The backup makes 74 GB file of size, and takes approximately 30 >>> minutes!!! >>> >>> I can't see why the first task took so long time to finish!!! >>> >>> Can anybody assist me?? >>> >>> Thanks >>> >>> >>> >>> Gilberto Ferreira >>> >>> >>> >> >> >> >> Gilberto Ferreira >> >> >> _______________________________________________ >> pve-user mailing list >> pve-user@pve.proxmox.com >> http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user >> >> > Gilberto Ferreira
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