Kategori: cname

Symptoms Virtual machine contains an IDE virtual disk as the primary OS bootable disk after conversion from physical source. Virtual machine has an IDE virtual disk but the additional secondary virtual disks are SCSI with an LSI or Bus Logic controller. Virtual machine fails to boot with only a black screen after conversion with possible underscore. …

Update 20130105 The default CFQ I/O scheduler is a poor choice for guest virtual machines (and most systems). You’ll want to modify it. I used to just recommend setting the scheduler to deadline, but there’s an easier method now for RHEL/CentOS systems… The best way to handle that and a couple of other tunables is to download the tuned …