That shows 512 instead of 520, # cat /sys/block/sdb/queue/logical_block_size 512 # sg_readcap /dev/sdb Read Capacity results: Last logical block address=918552575 (0x36bfffff), Number of blocks=918552576 Logical block length=520 bytes Hence: Device size: 477647339520 bytes, 455520.0 MiB, 477.65 GB Regards, TK -----Original Message----- From: Sitsofe Wheeler [mailto:sitsofe@xxxxxxxxx] Sent: Thursday, April 14, 2016 8:19 PM To: TK (Tzung-Kwang) Wang-SSI Cc: fio@xxxxxxxxxxxxxxx Subject: Re: sector size other than 512 bytes On 14 April 2016 at 21:06, TK (Tzung-Kwang) Wang-SSI <tk.wang@xxxxxxxxxxxxxxx> wrote: > Yes, according to sg_readcap output. It ought to be the same but what about via /sys/block/<device>/queue/logical_block_size ? -- Sitsofe | http://sucs.org/~sits/ ��.n��������+%������w��{.n�������^n�r������&��z�ޗ�zf���h���~����������_��+v���)ߣ�
