thanks for kind advises . on linux ----- # dd if=/dev/sdb of=./OpenBSD-8G-snapshot.img bs=32k 58195+0 records in 58194+0 records out 1906900992 bytes (1.9 GB, 1.8 GiB) copied, 25.1818 s, 75.7 MB/s 109011+0 records in 109010+0 records out 3572039680 bytes (3.6 GB, 3.3 GiB) copied, 56.2196 s, 63.5 MB/s 154198+0 records in 154198+0 records out 5052760064 bytes (5.1 GB, 4.7 GiB) copied, 87.9162 s, 57.5 MB/s 185970+0 records in 185970+0 records out 6093864960 bytes (6.1 GB, 5.7 GiB) copied, 116.37 s, 52.4 MB/s 227547+0 records in 227546+0 records out 7456227328 bytes (7.5 GB, 6.9 GiB) copied, 147.202 s, 50.7 MB/s 241920+0 records in 241920+0 records out 7927234560 bytes (7.9 GB, 7.4 GiB) copied, 154.806 s, 51.2 MB/s
---- regards
