Su GNU/Linux, per usare un dispositivo scsi collegato dopo l'avvio del computer, devo riavviare il computer (operazione non sempre fattibile) oppure, più semplicemente, usare un apposito script, di cui ho trovato documentazione alla pagina: rescan-scsi-bus.sh - rescan the SCSI bus.
Codice sorgente dello script
#!/bin/bash # Skript to rescan SCSI bus, using the # scsi add-single-device mechanism # (c) 1998--2010 Kurt Garloff <[email protected]>, GNU GPL v2 or v3 # (c) 2006--2008 Hannes Reinecke, GNU GPL v2 or later # $Id: rescan-scsi-bus.sh,v 1.56 2012/01/14 22:23:53 garloff Exp $ SCAN_WILD_CARD=4294967295 setcolor () { red="\e[0;31m" green="\e[0;32m" yellow="\e[0;33m" bold="\e[0;1m" norm="\e[0;0m" } unsetcolor () { red=""; green="" yellow=""; norm="" } # Output some text and return cursor to previous position # (only works for simple strings) # Stores length of string in LN and returns it print_and_scroll_back () { STRG="$1" LN=${#STRG} BK="" declare -i cntr=0 while test $cntr -lt $LN; do BK="$BK\e[D"; let cntr+=1; done echo -en "$STRG$BK" return $LN } # Overwrite a text of length $1 (fallback to $LN) with whitespace white_out () { BK=""; WH="" if test -n "$1"; then LN=$1; fi declare -i cntr=0 while test $cntr -lt $LN; do BK="$BK\e[D"; WH="$WH "; let cntr+=1; done echo -en "$WH$BK" } # Return hosts. sysfs must be mounted findhosts_26 () { hosts=`find /sys/class/scsi_host/host* -maxdepth 4 -type d -o -type l 2> /dev/null | awk -F'/' '{print $5}' | sed -e 's~host~~' | sort -nu` scsi_host_data=`echo "$hosts" | sed -e 's~^~/sys/class/scsi_host/host~'` for hostdir in $scsi_host_data; do hostno=${hostdir#/sys/class/scsi_host/host} if [ -f $hostdir/isp_name ] ; then hostname="qla2xxx" elif [ -f $hostdir/lpfc_drvr_version ] ; then hostname="lpfc" else hostname=`cat $hostdir/proc_name` fi #hosts="$hosts $hostno" echo "Host adapter $hostno ($hostname) found." done if [ -z "$hosts" ] ; then echo "No SCSI host adapters found in sysfs" exit 1; fi # Not necessary just use double quotes around variable to preserve new lines #hosts=`echo $hosts | tr ' ' '\n'` } # Return hosts. /proc/scsi/HOSTADAPTER/? must exist findhosts () { hosts= for driverdir in /proc/scsi/*; do driver=${driverdir#/proc/scsi/} if test $driver = scsi -o $driver = sg -o $driver = dummy -o $driver = device_info; then continue; fi for hostdir in $driverdir/*; do name=${hostdir#/proc/scsi/*/} if test $name = add_map -o $name = map -o $name = mod_parm; then continue; fi num=$name driverinfo=$driver if test -r $hostdir/status; then num=$(printf '%d\n' `sed -n 's/SCSI host number://p' $hostdir/status`) driverinfo="$driver:$name" fi hosts="$hosts $num" echo "Host adapter $num ($driverinfo) found." done done } printtype () { local type=$1 case "$type" in 0) echo "Direct-Access " ;; 1) echo "Sequential-Access" ;; 2) echo "Printer " ;; 3) echo "Processor " ;; 4) echo "WORM " ;; 5) echo "CD-ROM " ;; 6) echo "Scanner " ;; 7) echo "Optical Device " ;; 8) echo "Medium Changer " ;; 9) echo "Communications " ;; 10) echo "Unknown " ;; 11) echo "Unknown " ;; 12) echo "RAID " ;; 13) echo "Enclosure " ;; 14) echo "Direct-Access-RBC" ;; *) echo "Unknown " ;; esac } print02i() { if [ "$1" = "*" ] ; then echo "00" else printf "%02i" "$1" fi } # Get /proc/scsi/scsi info for device $host:$channel:$id:$lun # Optional parameter: Number of lines after first (default = 2), # result in SCSISTR, return code 1 means empty. procscsiscsi () { if test -z "$1"; then LN=2; else LN=$1; fi CHANNEL=`print02i "$channel"` ID=`print02i "$id"` LUN=`print02i "$lun"` if [ -d /sys/class/scsi_device ]; then SCSIPATH="/sys/class/scsi_device/${host}:${channel}:${id}:${lun}" if [ -d "$SCSIPATH" ] ; then SCSISTR="Host: scsi${host} Channel: $CHANNEL Id: $ID Lun: $LUN" if [ "$LN" -gt 0 ] ; then IVEND=$(cat ${SCSIPATH}/device/vendor) IPROD=$(cat ${SCSIPATH}/device/model) IPREV=$(cat ${SCSIPATH}/device/rev) SCSIDEV=$(printf ' Vendor: %-08s Model: %-16s Rev: %-4s' "$IVEND" "$IPROD" "$IPREV") SCSISTR="$SCSISTR $SCSIDEV" fi if [ "$LN" -gt 1 ] ; then ILVL=$(cat ${SCSIPATH}/device/scsi_level) type=$(cat ${SCSIPATH}/device/type) ITYPE=$(printtype $type) SCSITMP=$(printf ' Type: %-16s ANSI SCSI revision: %02d' "$ITYPE" "$((ILVL - 1))") SCSISTR="$SCSISTR $SCSITMP" fi else return 1 fi else grepstr="scsi$host Channel: $CHANNEL Id: $ID Lun: $LUN" SCSISTR=`cat /proc/scsi/scsi | grep -A$LN -e"$grepstr"` fi if test -z "$SCSISTR"; then return 1; else return 0; fi } # Find sg device with 2.6 sysfs support sgdevice26 () { if test -e /sys/class/scsi_device/$host\:$channel\:$id\:$lun/device/generic; then SGDEV=`readlink /sys/class/scsi_device/$host\:$channel\:$id\:$lun/device/generic` SGDEV=`basename $SGDEV` else for SGDEV in /sys/class/scsi_generic/sg*; do DEV=`readlink $SGDEV/device` if test "${DEV##*/}" = "$host:$channel:$id:$lun"; then SGDEV=`basename $SGDEV`; return fi done SGDEV="" fi } # Find sg device with 2.4 report-devs extensions sgdevice24 () { if procscsiscsi 3; then SGDEV=`echo "$SCSISTR" | grep 'Attached drivers:' | sed 's/^ *Attached drivers: \(sg[0-9]*\).*/\1/'` fi } # Find sg device that belongs to SCSI device $host $channel $id $lun # and return in SGDEV sgdevice () { SGDEV= if test -d /sys/class/scsi_device; then sgdevice26 else DRV=`grep 'Attached drivers:' /proc/scsi/scsi 2>/dev/null` repdevstat=$((1-$?)) if [ $repdevstat = 0 ]; then echo "scsi report-devs 1" >/proc/scsi/scsi DRV=`grep 'Attached drivers:' /proc/scsi/scsi 2>/dev/null` if [ $? = 1 ]; then return; fi fi if ! `echo $DRV | grep 'drivers: sg' >/dev/null`; then modprobe sg fi sgdevice24 if [ $repdevstat = 0 ]; then echo "scsi report-devs 0" >/proc/scsi/scsi fi fi } # Test if SCSI device is still responding to commands testonline () { : testonline RC=0 if test ! -x /usr/bin/sg_turs; then return 0; fi sgdevice if test -z "$SGDEV"; then return 0; fi sg_turs /dev/$SGDEV >/dev/null 2>&1 RC=$? # Handle in progress of becoming ready and unit attention -- wait at max 11s declare -i ctr=0 if test $RC = 2 -o $RC = 6; then RMB=`sg_inq /dev/$SGDEV | grep 'RMB=' | sed 's/^.*RMB=\(.\).*$/\1/'` print_and_scroll_back "$host:$channel:$id:$lun $SGDEV ($RMB) " fi while test $RC = 2 -o $RC = 6 && test $ctr -le 8; do if test $RC = 2 -a "$RMB" != "1"; then echo -n "."; let $LN+=1; sleep 1 else usleep 20000; fi let ctr+=1 sg_turs /dev/$SGDEV >/dev/null 2>&1 RC=$? done if test $ctr != 0; then white_out; fi # echo -e "\e[A\e[A\e[A${yellow}Test existence of $SGDEV = $RC ${norm} \n\n\n" if test $RC = 1; then return $RC; fi # Reset RC (might be !=0 for passive paths) RC=0 # OK, device online, compare INQUIRY string INQ=`sg_inq $sg_len_arg /dev/$SGDEV 2>/dev/null` IVEND=`echo "$INQ" | grep 'Vendor identification:' | sed 's/^[^:]*: \(.*\)$/\1/'` IPROD=`echo "$INQ" | grep 'Product identification:' | sed 's/^[^:]*: \(.*\)$/\1/'` IPREV=`echo "$INQ" | grep 'Product revision level:' | sed 's/^[^:]*: \(.*\)$/\1/'` STR=`printf " Vendor: %-08s Model: %-16s Rev: %-4s" "$IVEND" "$IPROD" "$IPREV"` IPTYPE=`echo "$INQ" | sed -n 's/.* Device_type=\([0-9]*\) .*/\1/p'` IPQUAL=`echo "$INQ" | sed -n 's/ *PQual=\([0-9]*\) Device.*/\1/p'` if [ "$IPQUAL" != 0 ] ; then echo -e "\e[A\e[A\e[A\e[A${red}$SGDEV changed: ${bold}LU not available (PQual $IPQUAL)${norm} \n\n\n" return 2 fi TYPE=$(printtype $IPTYPE) procscsiscsi TMPSTR=`echo "$SCSISTR" | grep 'Vendor:'` if [ "$TMPSTR" != "$STR" ]; then echo -e "\e[A\e[A\e[A\e[A${red}$SGDEV changed: ${bold}\nfrom:${SCSISTR#* } \nto: $STR ${norm} \n\n\n" return 1 fi TMPSTR=`echo "$SCSISTR" | sed -n 's/.*Type: *\(.*\) *ANSI.*/\1/p'` if [ $TMPSTR != $TYPE ] ; then echo -e "\e[A\e[A\e[A\e[A${red}$SGDEV changed: ${bold}\nfrom:${TMPSTR} \nto: $TYPE ${norm} \n\n\n" return 1 fi return $RC } # Test if SCSI device $host $channen $id $lun exists # Outputs description from /proc/scsi/scsi (unless arg passed) # Returns SCSISTR (empty if no dev) testexist () { : testexist SCSISTR= if procscsiscsi && test -z "$1"; then echo "$SCSISTR" | head -n1 echo "$SCSISTR" | tail -n2 | pr -o4 -l1 fi } # Returns the list of existing channels per host chanlist () { local hcil local cil local chan local tmpchan for dev in /sys/class/scsi_device/${host}:* ; do [ -d $dev ] || continue; hcil=${dev##*/} cil=${hcil#*:} chan=${cil%%:*} for tmpchan in $channelsearch ; do if test "$chan" -eq $tmpchan ; then chan= fi done if test -n "$chan" ; then channelsearch="$channelsearch $chan" fi done if test -z "$channelsearch"; then channelsearch="0"; fi } # Returns the list of existing targets per host idlist () { local hcil local cil local il local target local tmpid for dev in /sys/class/scsi_device/${host}:${channel}:* ; do [ -d $dev ] || continue; hcil=${dev##*/} cil=${hcil#*:} il=${cil#*:} target=${il%%:*} for tmpid in $idsearch ; do if test "$target" -eq $tmpid ; then target= break fi done if test -n "$target" ; then idsearch="$idsearch $target" fi done } # Returns the list of existing LUNs from device $host $channel $id $lun # and returns list to stdout getluns() { sgdevice if test -z "$SGDEV"; then return 1; fi if test ! -x /usr/bin/sg_luns; then echo 0; return 1; fi LLUN=`sg_luns /dev/$SGDEV 2>/dev/null | sed -n 's/ \(.*\)/\1/p'` if test $? != 0; then echo 0; return 1; fi #echo "$LLUN" | sed -n 's/.*lun=\(.*\)/\1/p' for lun in $LLUN ; do # Swap LUN number l0=$(printf '%u' 0x$lun) l1=$(( ($l0 >> 48) & 0xffff )) l2=$(( ($l0 >> 32) & 0xffff )) l3=$(( ($l0 >> 16) & 0xffff )) l4=$(( $l0 & 0xffff )) l0=$(( ( ( ($l4 * 0xffff) + $l3 ) * 0xffff + $l2 ) * 0xffff + $l1 )) printf "%u\n" $l0 done return 0 } # Wait for udev to settle (create device nodes etc.) udevadm_settle() { if test -x /sbin/udevadm; then print_and_scroll_back " Calling udevadm settle (can take a while) " /sbin/udevadm settle white_out elif test -x /sbin/udevsettle; then print_and_scroll_back " Calling udevsettle (can take a while) " /sbin/udevsettle white_out else usleep 20000 fi } # Perform scan on a single lun $host $channel $id $lun dolunscan() { SCSISTR= devnr="$host $channel $id $lun" echo -e " Scanning for device $devnr ... " printf "${yellow}OLD: $norm" testexist # Special case: lun 0 just got added (for reportlunscan), # so make sure we correctly treat it as new if test "$lun" = "0" -a "$1"; then SCSISTR="" printf "\r\e[A\e[A\e[A" fi : f $remove s $SCSISTR if test "$remove" -a "$SCSISTR"; then # Device exists: Test whether it's still online # (testonline returns 1 if it's gone or has changed) testonline RC=$? if test $RC != 0 -o ! -z "$forceremove"; then echo -en "\r\e[A\e[A\e[A${red}REM: " echo "$SCSISTR" | head -n1 echo -e "${norm}\e[B\e[B" if test -e /sys/class/scsi_device/${host}:${channel}:${id}:${lun}/device; then echo 1 > /sys/class/scsi_device/${host}:${channel}:${id}:${lun}/device/delete # FIXME: Can we skip udevadm settle for removal? #udevadm_settle usleep 20000 else echo "scsi remove-single-device $devnr" > /proc/scsi/scsi if test $RC -eq 1 -o $lun -eq 0 ; then # Try readding, should fail if device is gone echo "scsi add-single-device $devnr" > /proc/scsi/scsi fi fi fi if test $RC = 0 -o "$forcerescan" ; then if test -e /sys/class/scsi_device/${host}:${channel}:${id}:${lun}/device; then echo 1 > /sys/class/scsi_device/${host}:${channel}:${id}:${lun}/device/rescan udevadm_settle fi fi printf "\r\e[A\e[A\e[A${yellow}OLD: $norm" testexist if test -z "$SCSISTR"; then printf "\r${red}DEL: $norm\r\n\n" let rmvd+=1; return 1 fi fi if test -z "$SCSISTR"; then # Device does not exist, try to add printf "\r${green}NEW: $norm" if test -e /sys/class/scsi_host/host${host}/scan; then echo "$channel $id $lun" > /sys/class/scsi_host/host${host}/scan 2> /dev/null udevadm_settle else echo "scsi add-single-device $devnr" > /proc/scsi/scsi fi testexist if test -z "$SCSISTR"; then # Device not present printf "\r\e[A"; # Optimization: if lun==0, stop here (only if in non-remove mode) if test $lun = 0 -a -z "$remove" -a $optscan = 1; then break; fi else let found+=1; fi fi } # Perform report lun scan on $host $channel $id using REPORT_LUNS doreportlun() { lun=0 SCSISTR= devnr="$host $channel $id $lun" echo -en " Scanning for device $devnr ...\r" lun0added= #printf "${yellow}OLD: $norm" # Phase one: If LUN0 does not exist, try to add testexist -q if test -z "$SCSISTR"; then # Device does not exist, try to add #printf "\r${green}NEW: $norm" if test -e /sys/class/scsi_host/host${host}/scan; then echo "$channel $id $lun" > /sys/class/scsi_host/host${host}/scan 2> /dev/null udevadm_settle else echo "scsi add-single-device $devnr" > /proc/scsi/scsi fi testexist -q if test -n "$SCSISTR"; then lun0added=1 #testonline else # Device not present # return # Find alternative LUN to send getluns to for dev in /sys/class/scsi_device/${host}:${channel}:${id}:*; do [ -d "$dev" ] || continue lun=${dev##*:} break done fi fi targetluns=`getluns` REPLUNSTAT=$? lunremove= #echo "getluns reports " $targetluns olddev=`find /sys/class/scsi_device/ -name $host:$channel:$id:* 2>/dev/null` oldluns=`echo "$olddev" | awk -F'/' '{print $5}' | awk -F':' '{print $4}'` oldtargets="$targetluns" # OK -- if we don't have a LUN to send a REPORT_LUNS to, we could # fall back to wildcard scanning. Same thing if the device does not # support REPORT_LUNS # TODO: We might be better off to ALWAYS use wildcard scanning if # it works if test "$REPLUNSTAT" = "1"; then if test -e /sys/class/scsi_host/host${host}/scan; then echo "$channel $id -" > /sys/class/scsi_host/host${host}/scan 2> /dev/null udevadm_settle else echo "scsi add-single-device $host $channel $id $SCAN_WILD_CARD" > /proc/scsi/scsi fi targetluns=`find /sys/class/scsi_device/ -name $host:$channel:$id:* 2>/dev/null | awk -F'/' '{print $5}' | awk -F':' '{print $4}' | sort -n` let found+=`echo "$targetluns" | wc -l` let found-=`echo "$olddev" | wc -l` fi if test -z "$targetluns"; then targetluns="$oldtargets"; fi # Check existing luns for dev in $olddev; do [ -d "$dev" ] || continue lun=${dev##*:} newsearch= inlist= # OK, is existing $lun (still) in reported list for tmplun in $targetluns; do if test $tmplun -eq $lun ; then inlist=1 dolunscan $lun0added else newsearch="$newsearch $tmplun" fi done # OK, we have now done a lunscan on $lun and # $newsearch is the old $targetluns without $lun if [ -z "$inlist" ]; then # Stale lun lunremove="$lunremove $lun" fi # $lun removed from $lunsearch (echo for whitespace cleanup) targetluns=`echo $newsearch` done # Add new ones and check stale ones for lun in $targetluns $lunremove; do dolunscan $lun0added done } # Perform search (scan $host) dosearch () { if test -z "$channelsearch" ; then chanlist fi for channel in $channelsearch; do if test -z "$idsearch" ; then idlist fi for id in $idsearch; do if test -z "$lunsearch" ; then doreportlun else for lun in $lunsearch; do dolunscan done fi done done } expandlist () { list=$1 result="" first=${list%%,*} rest=${list#*,} while test ! -z "$first"; do beg=${first%%-*}; if test "$beg" = "$first"; then result="$result $beg"; else end=${first#*-} result="$result `seq $beg $end`" fi test "$rest" = "$first" && rest="" first=${rest%%,*} rest=${rest#*,} done echo $result } # main if test @$1 = @--help -o @$1 = @-h -o @$1 = @-?; then echo "Usage: rescan-scsi-bus.sh [options] [host [host ...]]" echo "Options:" echo " -l activates scanning for LUNs 0--7 [default: 0]" echo " -L NUM activates scanning for LUNs 0--NUM [default: 0]" echo " -w scan for target device IDs 0--15 [default: 0--7]" echo " -c enables scanning of channels 0 1 [default: 0 / all detected ones]" echo " -r enables removing of devices [default: disabled]" echo " -i issue a FibreChannel LIP reset [default: disabled]" echo "--remove: same as -r" echo "--issue-lip: same as -i" echo "--forcerescan: Rescan existing devices" echo "--forceremove: Remove and readd every device (DANGEROUS)" echo "--nooptscan: don't stop looking for LUNs is 0 is not found" echo "--color: use coloured prefixes OLD/NEW/DEL" echo "--hosts=LIST: Scan only host(s) in LIST" echo "--channels=LIST: Scan only channel(s) in LIST" echo "--ids=LIST: Scan only target ID(s) in LIST" echo "--luns=LIST: Scan only lun(s) in LIST" echo "--sync/nosync: Issue a sync / no sync [default: sync if remove]" echo "--attachpq3: Tell kernel to attach sg to LUN 0 that reports PQ=3" echo "--reportlun2: Tell kernel to try REPORT_LUN even on SCSI2 devices" echo "--largelun: Tell kernel to support LUNs > 7 even on SCSI2 devs" echo "--sparselun: Tell kernel to support sparse LUN numbering" echo " Host numbers may thus be specified either directly on cmd line (deprecated) or" echo " or with the --hosts=LIST parameter (recommended)." echo "LIST: A[-B][,C[-D]]... is a comma separated list of single values and ranges" echo " (No spaces allowed.)" exit 0 fi if test ! -d /sys/class/scsi_host/ -a ! -d /proc/scsi/; then echo "Error: SCSI subsystem not active" exit 1 fi # Make sure sg is there modprobe sg >/dev/null 2>&1 if test -x /usr/bin/sg_inq; then sg_version=$(sg_inq -V 2>&1 | cut -d " " -f 3) sg_version=${sg_version##0.} #echo "\"$sg_version\"" if [ -z "$sg_version" -o "$sg_version" -lt 70 ] ; then sg_len_arg="-36" else sg_len_arg="--len=36" fi else echo "WARN: /usr/bin/sg_inq not present -- please install sg3_utils" echo " or rescan-scsi-bus.sh might not fully work." fi # defaults unsetcolor lunsearch= opt_idsearch=`seq 0 7` opt_channelsearch= remove= forceremove= optscan=1 sync=1 declare -i scan_flags=0 if test -d /sys/class/scsi_host; then findhosts_26 else findhosts fi # Scan options opt="$1" while test ! -z "$opt" -a -z "${opt##-*}"; do opt=${opt#-} case "$opt" in l) lunsearch=`seq 0 7` ;; L) lunsearch=`seq 0 $2`; shift ;; w) opt_idsearch=`seq 0 15` ;; c) opt_channelsearch="0 1" ;; r) remove=1 ;; i) lipreset=1 ;; -remove) remove=1 ;; -forcerescan) remove=1; forcerescan=1 ;; -forceremove) remove=1; forceremove=1 ;; -hosts=*) arg=${opt#-hosts=}; hosts=`expandlist $arg` ;; -channels=*) arg=${opt#-channels=};opt_channelsearch=`expandlist $arg` ;; -ids=*) arg=${opt#-ids=}; opt_idsearch=`expandlist $arg` ;; -luns=*) arg=${opt#-luns=}; lunsearch=`expandlist $arg` ;; -color) setcolor ;; -nooptscan) optscan=0 ;; -issue-lip) lipreset=1 ;; -sync) sync=2 ;; -nosync) sync=0 ;; -attachpq3) scan_flags=$(($scan_flags|0x1000000)) ;; -reportlun2) scan_flags=$(($scan_flags|0x20000)) ;; -largelun) scan_flags=$(($scan_flags|0x200)) ;; -sparselun) scan_flags=$((scan_flags|0x40)) ;; *) echo "Unknown option -$opt !" ;; esac shift opt="$1" done # Hosts given ? if test "@$1" != "@"; then hosts=$* fi if [ -d /sys/class/scsi_host -a ! -w /sys/class/scsi_host ]; then echo "You need to run scsi-rescan-bus.sh as root" exit 2 fi if test "$sync" = 1 -a "$remove" = 1; then sync=2; fi if test "$sync" = 2; then echo "Syncing file systems"; sync; fi if test -w /sys/module/scsi_mod/parameters/default_dev_flags -a $scan_flags != 0; then OLD_SCANFLAGS=`cat /sys/module/scsi_mod/parameters/default_dev_flags` NEW_SCANFLAGS=$(($OLD_SCANFLAGS|$scan_flags)) if test "$OLD_SCANFLAGS" != "$NEW_SCANFLAGS"; then echo -n "Temporarily setting kernel scanning flags from " printf "0x%08x to 0x%08x\n" $OLD_SCANFLAGS $NEW_SCANFLAGS echo $NEW_SCANFLAGS > /sys/module/scsi_mod/parameters/default_dev_flags else unset OLD_SCANFLAGS fi fi echo "Scanning SCSI subsystem for new devices" test -z "$remove" || echo " and remove devices that have disappeared" declare -i found=0 declare -i rmvd=0 for host in $hosts; do echo -n "Scanning host $host " if test -e /sys/class/fc_host/host$host ; then # It's pointless to do a target scan on FC if test -n "$lipreset" ; then echo 1 > /sys/class/fc_host/host$host/issue_lip 2> /dev/null; udevadm_settle fi # We used to always trigger a rescan for FC to update channels and targets # Commented out -- as discussed with Hannes we should rely # on the main loop doing the scan, no need to do it here. #echo "- - -" > /sys/class/scsi_host/host$host/scan 2> /dev/null; #udevadm_settle channelsearch= idsearch= else channelsearch=$opt_channelsearch idsearch=$opt_idsearch fi [ -n "$channelsearch" ] && echo -n "channels $channelsearch " echo -n "for " if [ -n "$idsearch" ] ; then echo -n " SCSI target IDs " $idsearch else echo -n " all SCSI target IDs" fi if [ -n "$lunsearch" ] ; then echo ", LUNs " $lunsearch else echo ", all LUNs" fi dosearch done if test -n "$OLD_SCANFLAGS"; then echo $OLD_SCANFLAGS > /sys/module/scsi_mod/parameters/default_dev_flags fi echo "$found new device(s) found. " echo "$rmvd device(s) removed. " # Local Variables: # sh-basic-offset: 2 # End:
Francesco Galgani,
15 ottobre 2014