Kevin W. Wall wrote: > Steven Shiau wrote: > >> BTW, for LVM, disk to disk is really done by dd in Clonezilla, so it's >> very inefficient... >> > > What are you using for the block size for dd? If there's a way for you to > figure out the hard drives cache size, that might be the most efficient. > Or separate ibs & obs parameters if using different hard drives with differing > cache sizes. In the old days, the conventional wisdom was to use a block size > that corresponded to the block size of the file systems, but if you are > doing raw disk I/O with modern drives that have huge on-board caches, that > probably doesn't make sense. I'd think something like 8MB or even 16MB would > be worth trying. Have you experimented with different sizes for bs / ibs / > obs? > > -kevin > Kevin, Thanks for sharing this. However, I was wrong... Now it's done by partclone.dd.
Steven. -- Steven Shiau <steven _at_ nchc org tw> <steven _at_ stevenshiau org> National Center for High-performance Computing, Taiwan. http://www.nchc.org.tw Public Key Server PGP Key ID: 1024D/9762755A Fingerprint: A2A1 08B7 C22C 3D06 34DB F4BC 08B3 E3D7 9762 755A ------------------------------------------------------------------------------ Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. http://p.sf.net/sfu/intel-sw-dev _______________________________________________ Clonezilla-live mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/clonezilla-live
