RASCSI/doc/rascsi_man_page.txt

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rascsi(1)                                             General Commands Manual                                            rascsi(1)

NAME
       rascsi - Emulates SCSI devices using the Raspberry Pi GPIO pins

SYNOPSIS
       rascsi  [-F  FOLDER]  [-L LOG_LEVEL] [-P ACCESS_TOKEN_FILE] [-R SCAN_DEPTH] [-h] [-n VENDOR:PRODUCT:REVISION] [-p PORT] [-r
       RESERVED_IDS] [-n TYPE] [-v] [-z LOCALE] [-IDn:[u] FILE] [-HDn[:u] FILE]...

DESCRIPTION
       rascsi emulates SCSI devices using the Raspberry Pi GPIO pins.

       In the arguments to RaSCSI, one or more SCSI (-IDn[:u]) devices can be specified.  The number (n) after the ID or HD  iden‐
       tifier  specifies  the ID number for that device. The optional number (u) specifies the LUN (logical unit) for that device.
       The default LUN is 0.  For SCSI: The ID is limited from 0-7. However, typically SCSI ID 7 is reserved for  the  "initiator"
       (the host computer). The LUN is limited from 0-31.

       RaSCSI will determine the type of device based upon the file extension of the FILE argument.
           hd1: SCSI Hard Disk image (generic, non-removable, SCSI-1)
           hds: SCSI Hard Disk image (generic, non-removable)
           hdr: SCSI Hard Disk image (generic, removable)
           hdn: SCSI Hard Disk image (NEC compatible - only used with PC-98 computers)
           hdi: SCSI Hard Disk image (Anex86 proprietary - only used with PC-98 computers)
           nhd: SCSI Hard Disk image (T98Next proprietary - only used with PC-98 computers)
           hda: SCSI Hard Disk image (Apple compatible - typically used with Macintosh computers)
           mos: SCSI Magneto-Optical image (generic - typically used with NeXT, X68000, etc.)
           iso: SCSI CD-ROM or DVD-ROM image (ISO 9660 image)

       For example, if you want to specify an Apple-compatible HD image on ID 0, you can use the following command:
           sudo rascsi -ID0 /path/to/drive/hdimage.hda

       Once RaSCSI starts, it will open a socket (default port is 6868) to allow external management commands.  If another process
       is using the rascsi port, RaSCSI will terminate, since it is likely another instance of RaSCSI.  Once RaSCSI  has  initial‐
       ized, the rasctl utility can be used to send commands.

       To quit RaSCSI, press Control + C. If it is running in the background, you can kill it using an INT signal.

OPTIONS
       -b BLOCK_SIZE
              The optional block size, either 512, 1024, 2048 or 4096 bytes. Default size is 512 bytes.

       -F FOLDER
              The default folder for image files. For files in this folder no absolute path needs to be specified. The initial de‐
              fault folder is '~/images'.

       -L LOG_LEVEL
              The rascsi log level (trace, debug, info, warn, err, critical, off). The default log level is 'info'.

       -P ACCESS_TOKEN_FILE
              Enable authentication and read the access token from the specified file. The access token file must be owned by root
              and must be readable by root only.

       -R SCAN_DEPTH
              Scan  for  image  files recursively, up to a depth of SCAN_DEPTH. Depth 0 means to ignore any folders within the de‐
              fault image filder. Be careful when using this option with many sub-folders in the default image folder. The default
              depth is 1.

       -h     Show a help page.

       -n VENDOR:PRODUCT:REVISION
              Set  the  vendor,  product and revision for the device, to be returned with the INQUIRY data. A complete set of name
              components must be provided. VENDOR may have up to 8, PRODUCT up to 16, REVISION up to 4  characters.  Padding  with
              blanks to the maxium length is automatically applied. Once set the name of a device cannot be changed.

       -p PORT
              The rascsi server port, default is 6868.

       -r RESERVED_IDS
              Comma-separated  list  of IDs to reserve. Pass an empty list in order to not reserve anything.  -p TYPE The optional
              case-insensitive device type (SAHD, SCHD, SCRM, SCCD, SCMO, SCBR, SCDP, SCLP, SCHS). If no type is specified for de‐
              vices that support an image file, rascsi tries to derive the type from the file extension.

       -v     Display the rascsi version.

       -z LOCALE
              Overrides the default locale for client-faces error messages. The client can override the locale.

       -IDn[:u] FILE
              n is the SCSI ID number (0-7). u (0-31) is the optional LUN (logical unit). The default LUN is 0.

              FILE  is the name of the image file to use for the SCSI device. For devices that do not support an image file (SCBR,
              SCDP, SCLP, SCHS) the filename may have a special meaning or a dummy name can be provided. For SCBR and SCDP  it  is
              an   optioinal  prioritized  list  of  network  interfaces,  an  optional  IP  address  and  netmask,  e.g.  "inter‐
              faces=eth0,eth1,wlan0:inet=10.10.20.1/24". For SCLP it is the print command to be used and a reservation timeout  in
              seconds, e.g. "cmd=lp -oraw %f:timeout=60".

              FILE is the name of the image file to use for the SCSI device.

EXAMPLES
       Launch RaSCSI with no emulated drives attached:
          rascsi

       Launch RaSCSI with an Apple hard drive image as ID 0 and a CD-ROM as ID 2
          rascsi -ID0 /path/to/harddrive.hda -ID2 /path/to/cdimage.iso

       Launch RaSCSI with a removable SCSI drive image as ID 0 and the raw device file /dev/hdb (e.g. a USB stick) and a DaynaPort
       network adapter as ID 6:
          rascsi -ID0 -t scrm /dev/hdb -ID6 -t scdp daynaport

       To create an empty, 100MiB HD image, use the following command:
          dd if=/dev/zero of=/path/to/newimage.hda bs=512 count=204800

       In case the fallocate command is available a much faster alternative to the dd command is:
          fallocate -l 104857600 /path/to/newimage.hda

SEE ALSO
       rasctl(1), scsimon(1), rasdump(1)

       Full documentation is available at: <https://www.github.com/akuker/RASCSI/wiki/>

                                                                                                                         rascsi(1)