Hello everybody, I right now face a for me kinda interesting situation. After a interupt storm wich I thought was related to the hw setup I noticed that using encrypted partitions created with vnconfig is simply damn slow.
I used vnconfig -cK keysize -S saltfile /dev/svnd1c /dev/wd1c So I used directly the block device. If I then copy files to the svnd1c (wich was formated using newfs and then mounted using mount -o noatime,softdep /dev/svnd1c /mnt) I face transfer speeds of 1MB/s MAX in a local network!!!) I did the same test with the same file and everything else the same too with: - A dedicated partition (wd1a) but nothing changed - A file dd if=/dev/zero of=/mnt/test count=VALUE bs=1k vnconfig -cK keysize -S saltfile /dev/svnd1c /mnt/test newfs /dev/svnd1c && mount -o noatime,softdep /dev/svnd1c /mnt If I use a dedicated file for the svnd1 I get 10 (9.7MB/s) times higher speeds then using the block device. Is there any reason for this? Also if I do use the file-based svnd I do not see any interupt storms anymore. Related to the manpage vnds can handle block devices and this was introduced before 4.3. My box is a 4.3 STABLE so far and I just was kinda happy that I do not need to create files anymore. :] So if you might have a hint pls. tell me, thanks! Kind regards, Sebastian
