On Thu, 2014-04-17 at 16:10 -0700, Purush Gupta wrote: > Kurt, Just curious which LSI firmware version are you using? currently 18. Intel S3500 on LSI SAS 9207-8i IT: Linux thorin 3.11.0-12-generic #19-Ubuntu SMP Wed Oct 9 16:20:46 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux [ 3.077947] mpt2sas0: LSISAS2308: FWVersion(18.00.00.00), ChipRevision(0x05), BiosVersion(07.22.01.00) [ 3.276611] scsi 1:0:1:0: Direct-Access ATA INTEL SSDSC2BB48 0355 PQ: 0 ANSI: 6 [ 3.528271] sd 1:0:1:0: [sdb] 937703088 512-byte logical blocks: (480 GB/447 GiB) cat /sys/block/sdb/queue/discard_granularity 512 Samsung 840 Pro on LSI 9211-8i IT: Linux gloin 3.11.0-12-generic #19-Ubuntu SMP Wed Oct 9 16:20:46 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux [ 2.948533] mpt2sas0: LSISAS2008: FWVersion(18.00.00.00), ChipRevision(0x03), BiosVersion(07.35.00.00) [ 2.968993] scsi 2:0:1:0: Direct-Access ATA Samsung SSD 840 5B0Q PQ: 0 ANSI: 6 [ 2.976587] sd 2:0:1:0: [sdb] 1000215216 512-byte logical blocks: (512 GB/476 GiB) cat /sys/block/sdb/queue/discard_granularity 512 -Kurt -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html