>> Is the storage over iSCSI ? Yes! Standard iSCSI. I not enable trunk yet, I meant, bonding... You know...
>> Is the storage via 1GB link ? Yes... Switch gigaethernet, CAT6 and all NIC are gigaethernet as well... 2014-08-27 14:33 GMT-03:00 Iosif Peterfi <iosif.pete...@gmail.com>: > Is the storage over iSCSI ? Is the storage via 1GB link ? > > > On Wed, Aug 27, 2014 at 7:29 PM, Gilberto Nunes < > gilberto.nune...@gmail.com> wrote: > >> Just for compare, the very same backup from same VM takes 50 minutes, on >> previously scenario, I meant, run in a single IBM M4 server with SAS >> disks... >> Now, in the Storage and an IBM x3250 M4 server, with 128GB of memory, >> takes 6 hours! >> I can't understand why! So weird! >> >> >> >> 2014-08-27 14:21 GMT-03:00 Gilberto Nunes <gilberto.nune...@gmail.com>: >> >>> Well... This not justify all this low performance, since the VM >>> previously ran on another IBM machine with single SAS and backup task ran >>> nicely. >>> Since the VM now running in high level enterprise Storage, I expected >>> more performance, if I am not wrong with that... >>> >>> >>> 2014-08-27 14:13 GMT-03:00 Iosif Peterfi <iosif.pete...@gmail.com>: >>> >>> Maybe you will have better performance if you split them. So keep the >>>> busiest database on IBM storage and put the others on USB. This way you >>>> share the I/O load. >>>> >>>> Regards, >>>> Iosif >>>> >>>> >>>> On Wed, Aug 27, 2014 at 7:09 PM, Gilberto Nunes < >>>> gilberto.nune...@gmail.com> wrote: >>>> >>>>> 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 >>>>> >>>>> >>>> >>> >>> >>> Gilberto Ferreira >>> >> >> > Gilberto Ferreira
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