diff options
Diffstat (limited to 'doc/sg_format.8')
| -rw-r--r-- | doc/sg_format.8 | 26 |
1 files changed, 19 insertions, 7 deletions
diff --git a/doc/sg_format.8 b/doc/sg_format.8 index 13e07475..a62f5def 100644 --- a/doc/sg_format.8 +++ b/doc/sg_format.8 @@ -1,13 +1,13 @@ -.TH SG_FORMAT "8" "May 2014" "sg3_utils\-1.39" SG3_UTILS +.TH SG_FORMAT "8" "July 2014" "sg3_utils\-1.40" SG3_UTILS .SH NAME sg_format \- format, resize or modify protection information of a SCSI disk .SH SYNOPSIS .B sg_format [\fI\-\-cmplst=\fR{0|1}] [\fI\-\-count=COUNT\fR] [\fI\-\-dcrt\fR] [\fI\-\-early\fR] [\fI\-\-fmtpinfo=FPI\fR] [\fI\-\-format\fR] -[\fI\-\-help\fR] [\fI\-\-ip_def\fR] [\fI\-\-long\fR] [\fI\-\-pfu=PFU\fR] -[\fI\-\-pie=PIE\fR] [\fI\-\-pinfo\fR] [\fI\-\-poll=PT\fR] [\fI\-\-resize\fR] -[\fI\-\-rto_req\fR] [\fI\-\-security\fR] [\fI\-\-six\fR] +[\fI\-\-help\fR] [\fI\-\-ip_def\fR] [\fI\-\-long\fR] [\fI\-\-mode=MP\fR] +[\fI\-\-pfu=PFU\fR] [\fI\-\-pie=PIE\fR] [\fI\-\-pinfo\fR] [\fI\-\-poll=PT\fR] +[\fI\-\-resize\fR] [\fI\-\-rto_req\fR] [\fI\-\-security\fR] [\fI\-\-six\fR] [\fI\-\-size=SIZE\fR] [\fI\-\-verbose\fR] [\fI\-\-version\fR] [\fI\-\-wait\fR] \fIDEVICE\fR .SH DESCRIPTION @@ -134,8 +134,15 @@ issue a SCSI FORMAT UNIT command. This option is required to change the block size of a disk. The user is given a 15 second count down to ponder the wisdom of doing this, during which time control\-C (amongst other Unix commands) can be used to kill this process -before it does any damage. See NOTES section for implementation details and -EXAMPLES section for typical use. +before it does any damage. +.br +When used three times (or more) the preliminary MODE SENSE and SELECT +commands are bypassed, leaving only the initial INQUIRY and FORMAT UNIT +commands. This is for emergency use (e.g. when the MODE SENSE/SELECT +commands are not working) and cannot change the logical block size. +.br +See NOTES section for implementation details and EXAMPLES section for typical +use. .TP \fB\-h\fR, \fB\-\-help\fR print out the usage information then exit. @@ -160,6 +167,11 @@ set internally. This option does not set the LONGLIST bit in the FORMAT UNIT command. The LONGLIST bit is set as required depending other parameters (e.g. when '\-\-pie=PIE' is greater than zero). .TP +\fB\-M\fR, \fB\-\-mode\fR=\fIMP\fR +\fIMP\fR is a mode page number (0 to 62 inclusive) that will be used for +reading and perhaps changing the device logical block size. The default +is 1 which is the Read\-Write Error Recovery mode page. +.TP \fB\-P\fR, \fB\-\-pfu\fR=\fIPFU\fR sets the "Protection Field Usage" field in the parameter block associated with a FORMAT UNIT command to \fIPFU\fR. The default value is 0, the only @@ -251,7 +263,7 @@ contains those detected during the format operation, the DLIST is a list of defects that can be given to the format operation. The GLIST is the grown list which starts in the format process as CLIST+DLIST and can "grow" later due to automatic reallocation (see the ARRE and AWRE bits in the -read\-write error recovery mode page (see sdparm(8))) and use of the +Read\-Write Error Recovery mode page (see sdparm(8))) and use of the SCSI REASSIGN BLOCKS command (see sg_reassign(8)). .PP The CMPLST bit (controlled by the \fI\-\-cmplst=\fR0|1 option) determines |