Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
On Fri, Sep 23, 2011 at 7:03 AM, Felix Frank <ff at mpexnet.de> wrote: > On 09/23/2011 12:49 PM, Arnold Krille wrote: >> And if there is a penalty for using image-files for the vm, I haven't >> encountered any. > > That's literally the first time I hear someone make this statement, ever. > > But then, I never did any benchmarks myself and have to rely on heresay. > > Still, depending on your workload, I can see no reason why direct disk > access shouldn't have (at least potential) performance advantages. > Furthermore, I see little benefit in image files (in the OP's scenario, > who isn't gunning for a 4+ node cluster). > > Still, your cluster sketch is quite intriguing. > I didn't analyze it much, but with our hardware here I found little performance difference between partition based and file based VM storage. Ours are exported over iscsi-scst if that makes a difference. Depending on the use, the file based VM can be much more convenient, especially for backups. -M