oul164:/u02 # /sbin/wiper.sh /dev/sdb

wiper.sh: Linux SATA SSD TRIM utility, version 2.5, by Mark Lord.
wiper.sh: This tool is DANGEROUS! Please read and understand
wiper.sh: /usr/share/doc/packages/hdparm/README.wiper
wiper.sh: before going any further.
HDIO_DRIVE_CMD(identify) failed: Invalid exchange
/dev/sdb: DSM/TRIM command not supported (continuing with dry-run).
/dev/sdb: offline TRIM not supported for LVM2_member filesystems, aborting.