Am 12.03.2010 23:37, schrieb Kyle Bader: > If the elevated iowait from iostat is on the host you might be able to > find something hogging you io bandwidth with iotop. Also look for D > state procs with ps auxr. Are you on a software raid?
Yes, sw-raid level 1, two SATA-disks. iotop points to kdmflush, whatever that is ... equery doesn't know it, so I assume it's some kind of kernel-process? device-mapper-related ? dm ... > If you are on linux soft raid you might check your disks for errors > with smartmontools. Other than that the only thing I can think of is > something like a performance regression in the ide/scsi/sata > controller (on host or virtual) or mdadm on host. If the host system > is bogged before starting vmware instances I would suspect the former > (host controller or mdadm). The disks look good so far ... thanks, S
