hi, you can try the modified version of the wiper.sh script (originally by mark lord but the new patches have not been commented by him so take care and do what the poster says => backup :)) for trimming a dmcrypt partition. i just tested it and so far i found no problems or changes in comparison to my backup regarding trim. https://sourceforge.net/tracker/index.php?func=detail&aid=2997551&group_id=136732&atid=736684 -------- one question regarding alignment whether the following is correct. i used the latest tools which should do this automatically: fdisk (util-linux-ng 2.17.2) + cryptsetup 1.1.1-rc2, created with some 2.6.33.x kernel (don't know for sure anymore, i'm now running 2.6.33.4). # fdisk -luc /dev/sda Disk /dev/sda: 100.0 GB, 100030242816 bytes 255 heads, 63 sectors/track, 12161 cylinders, total 195371568 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0xe2d5b28c Device Boot Start End Blocks Id System /dev/sda1 2048 145407 71680 83 Linux /dev/sda2 145408 4339711 2097152 82 Linux swap /dev/sda3 4339712 195371567 95515928 5 Extended /dev/sda5 4341760 98713599 47185920 83 Linux /dev/sda6 98715648 193087487 47185920 83 Linux /dev/sda5 e.g. is a cryptsetup/luks partition: # cryptsetup luksDump /dev/sda5 | grep Payload Payload offset: 4040 JG _______________________________________________ dm-crypt mailing list dm-crypt@xxxxxxxx http://www.saout.de/mailman/listinfo/dm-crypt
