[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-users] Disk performance
On Saturday 03 July 2010 15:17:13 Jonathan Tripathy wrote: > Hi Everyone, > > My Xen host has 2 X 1TB hard drives in a RAID1 setup. If one DomU starts > to dd a 5GB file (A ran it in a loop as a test), access ssh on the other > DomU becomes very slow. > > Is this normal? > > Many Thanks > > _______________________________________________ > Xen-users mailing list > Xen-users@xxxxxxxxxxxxxxxxxxx > http://lists.xensource.com/xen-users > I think this can be expected with things like a dd which could hog the disk bandwidth. Do a bonnie++ benchmark to see what the disk can do and then do a iotop while you are doing the dd and you will see how much is consumed and how much is left for the other DomUs. B. _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users
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