Does disk encryption causes a performance penalty for Data Access/Read/Write, etc

Hi Does *disk encryption* causes a *performance* penalty for Data Access/Read/Write, etc? -- Thanks! BR / vj ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail

Re: Does disk encryption causes a performance penalty for Data Access/Read/Write, etc

In response to VeeJay [EMAIL PROTECTED]: Does *disk encryption* causes a *performance* penalty for Data Access/Read/Write, etc? Any kind of encryption causes a performance penalty. However, if your CPU is powerful enough, it's possible (even likely) that the CPU is still able to encrypt

Re: Does disk encryption causes a performance penalty for Data Access/Read/Write, etc

Does *disk encryption* causes a *performance* penalty for Data Access/Read/Write, etc? I haven't done any testing, but would assume that it would impact it to a certain degree, because there is the additional encryption overhead. --Nick Pavlica

Re: Does disk encryption causes a performance penalty for Data Access/Read/Write, etc

VeeJay wrote: Hi Does *disk encryption* causes a *performance* penalty for Data Access/Read/Write, etc? *Yes*. If your disk is faster than your CPU, I/O will slowdown. I've seen an Athlon64 4200+ use up to 90% of its computing power just to transfer files from an NFS server to a local SATA