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Hi all, I have a HP GL380 G6 with RAID10 (including the battery addition) with write caching enabled over 4x300 15K SAS disks. I have a KVM machine running Windows 7/SQLServer2005 with 2GB RAM and 1 CPU using the latest virtio drivers on a .18 kernel (also tried the .32 kernel to no...

Good point - slap on the wrist received and accepted :)

Hi Tom, Good point - I have installed the HP command line utils, and they do indicate write caching is enabled: => controller slot=0 show config detail Smart Array P410i in Slot 0 (Embedded) Bus Interface: PCI Slot: 0 Serial Number: 50123456789ABCDE Cache Serial Number...

Hi all, Has anyone managed to turn on write caching for a HP GL380 G6? It is configured as RAID 10 over 4x300GB SAS drives and yes, the RAID card does have a BBU. Trying to enable write cache gives: Copying large files in the VM nips along very very quickly (with virtio), but running...

Not quite Tom - I get failures as well if the local ISO cannot be found. For example, this is from the email: I don't know whether the backup actually worked or not (as in I don't know if the tgz file is actually there), but the email says no...

excellent - installing the battery pack activated write back: CPU BOGOMIPS: 72535.02 REGEX/SECOND: 858256 HD SIZE: 94.49 GB (/dev/mapper/pve-root) BUFFERED READS: 243.29 MB/sec AVERAGE SEEK TIME: 5.04 ms FSYNCS/SECOND: 2947.65 DNS EXT: 390.93 ms...

(sorry to hijack) So if I have a machine with two disks and a CDROM that is mapped to an ISO, does the tgz file include the contents of the CDROM as well?

Have you considered moving to CentOS? It seems to be the most prevalent OS on rented dedicated servers... I am glad you didn't as I am much more familiar with debian ;), but an upgrade path from CentOS would significantly increase the number of servers I could have rented. Commercially it...

Re: Debian KVM guest won't allow dma to be set on /dev/hda - lots of DMA timeout erro Nope, not yet. Thinking about it, this whole machine has a massive IO bottleneck (150 FSYNCS) so given the nature of the error (DMA timeouts), I wonder whether the writing is on the wall, so to speak. I...

Never mind - turns out the RAID card didn't have the battery pack installed. I assume once this is installed everything will magically just work right?

Hi all, I have a KVM Debian lenny machine running on an up to date proxmox 1.5, 2.6.24 kernel with a RAW file mapped as an IDE file (/dev/hda). It is a postgres server and is *really* slow until you turn on DMA (hdparm -d1 /dev/hda). The problem is that after a while it goes slow again...

Hi all, I have a HP DL380 with a P410i hardware card (with 512 BBWC storage controller) configured with 4x250 SAS drives in RAID10. pveperf: CPU BOGOMIPS: 72535.19 REGEX/SECOND: 860226 HD SIZE: 94.49 GB (/dev/pve/root) BUFFERED READS: 232.11 MB/sec AVERAGE...

With the exception of maybe three people (who all have a prominent 'Proxmox Staff' logo) nobody here benefits financially if you decide to use Proxmox or not. Me, I couldn't care less if you use Proxmox or not. However, I, like many others here are prepared to give up our time to help you, and...

Difficult to know where to start really. A minor correction - you installed Windows 7 into KVM, not a container ;) What sort of networking are you using? Bridged or NAT for example? Have you configured the IP, netmask and gateway in Windows 7?

Obviously, I am only a 'member', not a 'senior member' so feel free to ignore me as well. Although I am not a junior member, so maybe you shouldn't. Or, maybe, just maybe you should appreciate people giving up their spare time to help you and be gracious and grateful enough to thank them...

That is the quickest way to annoy people and ensure you *don't* get any help!

Without seeing what is happening in the windows machine.... I notice you are using a tiny bit of your swap file - have you overcommitted the memory on this machine? No idea if that is the problem (I thought the OS would just shut down the entire process, i.e. the entire machine so probably...

On the host, can you post the results of: - top - iotop (you might need to install this) - pverversion -v also, how many other virtual machines are there? on the guest, can you print a screen shot of task-manager showing all processes ordered by CPU (highest first). I expect it...

(solved) Sluggish KVM machine - kjournald is 90+% CPU *** EDIT *** Never mind - turns out turning on DMA really helps ;) Actually, I wonder why DMA wasn't automatically enabled? All of my debian/KVM machines have DMA as off.... Hi all, Just a shot in the dark, but i have a debian KVM...

Wow, write caching really does make a difference to the FSYNCs. Obviously without RAID and a battery backup it is risky yada yada yada :)