Hi Sergey, > This help message is misguiding, indeed. The block size is used when > doing I/O with the archive storage, i.e. only in copy-in and copy-out > mode. I'll fix the text. Thanks for reporting it!
Thank you for the confirmation ! FWIW, in my use case (copy between network filesystem), I saw big (x10) performance improvement recompiling with a 1MiB DISK_IO_BLOCK_SIZE with cpio only use in copy-pass mode. Jean-Baptiste On 1/11/22 7:28 AM, Sergey Poznyakoff wrote: > Hi Jean-Baptiste, > >> Operation modifiers valid in any mode: >> --block-size=BLOCK-SIZE Set the I/O block size to BLOCK-SIZE * 512 >> bytes >> -B Set the I/O block size to 5120 bytes > > This help message is misguiding, indeed. The block size is used when > doing I/O with the archive storage, i.e. only in copy-in and copy-out > mode. I'll fix the text. Thanks for reporting it! > > Best regards, > Sergey >
