CVSROOT: /cvs/dm Module name: dmraid Changes by: heinzm@xxxxxxxxxxxxxx 2010-03-18 13:24:39 Modified files: man : dmraid.8 Log message: --ignoremonitoring manual update Patches: http://sourceware.org/cgi-bin/cvsweb.cgi/dmraid/man/dmraid.8.diff?cvsroot=dm&r1=1.4&r2=1.5 --- dmraid/man/dmraid.8 2009/09/16 11:45:17 1.4 +++ dmraid/man/dmraid.8 2010/03/18 13:24:39 1.5 @@ -1,538 +1,558 @@ -.TH DMRAID 8 "DMRAID TOOL" "Heinz Mauelshagen" \" -*- nroff -*- -.SH NAME -dmraid \- discover, configure and activate software (ATA)RAID -.SH SYNOPSIS -.B dmraid - {-a|--activate} {y|n|yes|no} - [-d|--debug]... [-v|--verbose]... [-i|--ignorelocking] - [-f|--format FORMAT[,FORMAT...]] - [{-P|--partchar} CHAR] - [-p|--no_partitions] - [-Z|--rm_partitions] - [--separator SEPARATOR] - [-t|--test] - [RAID-set...] - -.B dmraid - {-b|--block_devices} - [-c|--display_columns][FIELD[,FIELD...]]... - [-d|--debug]... [-v|--verbose]... - [--separator SEPARATOR] - [device-path...] - -.B dmraid - {-h|--help} - -.B dmraid - {-l|--list_formats} - [-d|--debug]... [-v|--verbose]... - -.B dmraid - {-n|--native_log} - [-d|--debug]... [-v|--verbose]... [-i|--ignorelocking] - [-f|--format FORMAT[,FORMAT...]] - [--separator SEPARATOR] - [device-path...] - -.B dmraid - {-R| --rebuild} - RAID-set - [device-path] - -.B dmraid - {-x| --remove} - [RAID-set] - -.B dmraid - -f FORMAT-handler -{-C| --create} set - --type raidlevel - [--size=setsize --strip stridesize] - --disk "device-path, device-path [, device-path ...]" - -.B dmraid -[ -f|--format FORMAT-handler] --S|--spare [RAID-set] --M|--media "device-path" - -.B dmraid - {-r|--raid_devices} - [-c|--display_columns][FIELD[,FIELD...]]... - [-d|--debug]... [-v|--verbose]... [-i|--ignorelocking] - [-D|--dump_metadata] - [-f|--format FORMAT[,FORMAT...]] - [--separator SEPARATOR] - [device-path...] - -.B dmraid - {-r|--raid_devices} - [-d|--debug]... [-v|--verbose]... [-i|--ignorelocking] - [-E|--erase_metadata] - [-f|--format FORMAT[,FORMAT...]] - [--separator SEPARATOR] - [device-path...] - -.B dmraid - {-s|--sets}...[a|i|active|inactive] - [-c|--display_columns][FIELD[,FIELD...]]... - [-d|--debug]... [-v|--verbose]... [-i|--ignorelocking] - [-f|--format FORMAT[,FORMAT...]] - [-g|--display_group] - [--separator SEPARATOR] - [RAID-set...] - -.B dmraid - {-V/--version} - -.SH DESCRIPTION -dmraid discovers block and software RAID devices (eg, ATARAID) -by using multiple different metadata format handlers which -support various formats (eg, Highpoint 37x series). -It offers activating RAID sets made up by 2 or more -discovered RAID devices, display properties of devices and sets (see option -.B -l -for supported metadata formats). -Block device access to activated RAID sets occurs via device-mapper nodes -/dev/mapper/RaidSetName. -RaidSetName starts with the format name (see -.B -l -option) which can be used to access all RAID sets of a specific format -easily with certain options (eg, -.B -a -below). - -.SS OPTIONS -.TP -.I \-a, \-\-activate {y|n} [RAID set...] -Activates or deactivates all or particular software RAID set. -In case metadata format handlers are chosen with -.B -f -, only RAID sets with such format(s) can be activated or deactivated. -Useful if devices have multiple metadata signatures. -When activating RAID sets, -.B -p -disables the activation of partitions on them, and -.B -Z -will make dmraid tell the kernel to remove the partitions from the disks -underlying the set, ie if sda is part of the set, remove sda1, sda2, etc. -This prevents applications from directly accessiong the disks bypassing dmraid. -RAID set names given on command line don't need to be fully specified -(eg, "dmraid -ay sil" would activate all discovered Silicon Image Medley -RAID sets). - -.TP -.I {-b|--block_devices} [device-path...] -List all or particular discovered block devices with their -properties (size, serial number). -Add -.B -c -to display block device names only and -.B -cc -for CSV column output of block device properties. -See description of -.B -c -below for FIELD identifiers. - -.TP -.I [-d|--debug]... -Enable debugging output. Opion can be given multiple times -increasing the debug output level. - -.TP -.I [-c|--display_columns][FIELD[,FIELD...]]... -Display properties of block devices, RAID sets and devices in column(s). -Optional list specifying which FIELDs to display. -.br -For -.B -b: -.br -d[evpath]|p[ath], sec[tors]|si[ze], ser[ialnumber]. -.br -For -.B -r: -.br -de[vpath]|p[ath], f[ormat], r[aidname], t[ype], st[atus], se[ctors]|si[ze], da[taoffset]|o[ffset]. -.br -For -.B -s: -.br -f[ormat], r[aidname], t[ype], sta[tus], str[ide], se[ctors]|si[ze], su[bsets], d[evices], sp[ares]. -.br -.TP -.I [-f|--format FORMAT[,FORMAT...]] -Use metadata format handler(s) to discover RAID devices. -See -.B -l -for a list of supported format handler names. This is useful to -select particular formats in case multiple metadata signatures are found -on a device. A comma seperated list of format names can be specified which -may not contain white space. - -.TP -.I {-h|--help} -Display help text. - -.TP -.I {-i|--ignorelocking} -Don't take out any locks. Useful in early boot where no read/write -access to /var is available. - -.TP -.I {-l|--list_formats} -List all available metadata format handlers with their names and -descriptions. Supported RAID levels are listed in parenthesis: -.br - -S: Span (concatination) -.br -0: RAID0 (stripe) -.br -1: RAID1 (mirror) -.br +.TH DMRAID 8 "DMRAID TOOL" "Heinz Mauelshagen" \" -*- nroff -*- +.SH NAME +dmraid \- discover, configure and activate software (ATA)RAID +.SH SYNOPSIS +.B dmraid + {-a|--activate} {y|n|yes|no} + [-d|--debug]... [-v|--verbose]... [-i|--ignorelocking] + [-f|--format FORMAT[,FORMAT...]] + [-I|--ignoremonitoring] + [{-P|--partchar} CHAR] + [-p|--no_partitions] + [-Z|--rm_partitions] + [--separator SEPARATOR] + [-t|--test] + [RAID-set...] + +.B dmraid + {-b|--block_devices} + [-c|--display_columns][FIELD[,FIELD...]]... + [-d|--debug]... [-v|--verbose]... + [--separator SEPARATOR] + [device-path...] + +.B dmraid + {-h|--help} + +.B dmraid + {-l|--list_formats} + [-d|--debug]... [-v|--verbose]... + +.B dmraid + {-n|--native_log} + [-d|--debug]... [-v|--verbose]... [-i|--ignorelocking] + [-f|--format FORMAT[,FORMAT...]] + [--separator SEPARATOR] + [device-path...] + +.B dmraid + {-R| --rebuild} + RAID-set + [device-path] + +.B dmraid + {-x| --remove} + [RAID-set] + +.B dmraid + -f FORMAT-handler +{-C| --create} set + --type raidlevel + [--size=setsize --strip stridesize] + --disk "device-path, device-path [, device-path ...]" + +.B dmraid +[ -f|--format FORMAT-handler] +-S|--spare [RAID-set] +-M|--media "device-path" + +.B dmraid + {-r|--raid_devices} + [-c|--display_columns][FIELD[,FIELD...]]... + [-d|--debug]... [-v|--verbose]... [-i|--ignorelocking] + [-D|--dump_metadata] + [-f|--format FORMAT[,FORMAT...]] + [--separator SEPARATOR] + [device-path...] + +.B dmraid + {-r|--raid_devices} + [-d|--debug]... [-v|--verbose]... [-i|--ignorelocking] + [-E|--erase_metadata] + [-f|--format FORMAT[,FORMAT...]] + [--separator SEPARATOR] + [device-path...] + +.B dmraid + {-s|--sets}...[a|i|active|inactive] + [-c|--display_columns][FIELD[,FIELD...]]... + [-d|--debug]... [-v|--verbose]... [-i|--ignorelocking] + [-f|--format FORMAT[,FORMAT...]] + [-g|--display_group] + [--separator SEPARATOR] + [RAID-set...] + +.B dmraid + {-V/--version} + +.SH DESCRIPTION +dmraid discovers block and software RAID devices (eg, ATARAID) +by using multiple different metadata format handlers which +support various formats (eg, Highpoint 37x series). +It offers activating RAID sets made up by 2 or more +discovered RAID devices, display properties of devices and sets (see option +.B -l +for supported metadata formats). +Block device access to activated RAID sets occurs via device-mapper nodes +/dev/mapper/RaidSetName. +RaidSetName starts with the format name (see +.B -l +option) which can be used to access all RAID sets of a specific format +easily with certain options (eg, +.B -a +below). + +.SS OPTIONS +.TP +.I \-a, \-\-activate {y|n} [RAID set...] +Activates or deactivates all or particular software RAID set. +Activates or deactivates device monitoring automatically unless the +.B [-I|--ignoremonitoring] +option is given at the same time, hence preventing any dmeventd device +monitoring daemon interaction. If +.B -I +is being used on initial RAID set activation, +.B -ay +can be used later to activate device monitoring on such active RAID sets +if the RAID format supports it. See dmevent_tool(8) for device monitoring +management via this tool. +In case metadata format handlers are chosen with +.B -f +, only RAID sets with such format(s) can be activated or deactivated. +Useful if devices have multiple metadata signatures. +When activating RAID sets, +.B -p +disables the activation of partitions on them, and +.B -Z +will make dmraid tell the kernel to remove the partitions from the disks +underlying the set, ie if sda is part of the set, remove sda1, sda2, etc. +This prevents applications from directly accessiong the disks bypassing dmraid. +RAID set names given on command line don't need to be fully specified +(eg, "dmraid -ay sil" would activate all discovered Silicon Image Medley +RAID sets). + +.TP +.I {-b|--block_devices} [device-path...] +List all or particular discovered block devices with their +properties (size, serial number). +Add +.B -c +to display block device names only and +.B -cc +for CSV column output of block device properties. +See description of +.B -c +below for FIELD identifiers. + +.TP +.I [-d|--debug]... +Enable debugging output. Opion can be given multiple times +increasing the debug output level. + +.TP +.I [-c|--display_columns][FIELD[,FIELD...]]... +Display properties of block devices, RAID sets and devices in column(s). +Optional list specifying which FIELDs to display. +.br +For +.B -b: +.br +d[evpath]|p[ath], sec[tors]|si[ze], ser[ialnumber]. +.br +For +.B -r: +.br +de[vpath]|p[ath], f[ormat], r[aidname], t[ype], st[atus], se[ctors]|si[ze], da[taoffset]|o[ffset]. +.br +For +.B -s: +.br +f[ormat], r[aidname], t[ype], sta[tus], str[ide], se[ctors]|si[ze], su[bsets], d[evices], sp[ares]. +.br +.TP +.I [-f|--format FORMAT[,FORMAT...]] +Use metadata format handler(s) to discover RAID devices. +See +.B -l +for a list of supported format handler names. This is useful to +select particular formats in case multiple metadata signatures are found +on a device. A comma seperated list of format names can be specified which +may not contain white space. + +.TP +.I {-h|--help} +Display help text. + +.TP +.I {-i|--ignorelocking} +Don't take out any locks. Useful in early boot where no read/write +access to /var is available. + +.TP +.I {-I|--ignoremonitoring} +Don't activate or deactivate device monitoring with +.B -ay +or +.B -an +respectively. This avoids interaction with the dmeventd device +monitoring daemon altogether. + +.TP +.I {-l|--list_formats} +List all available metadata format handlers with their names and +descriptions. Supported RAID levels are listed in parenthesis: +.br + +S: Span (concatination) +.br +0: RAID0 (stripe) +.br +1: RAID1 (mirror) +.br 10: RAID10 (mirror on top of stripes) -.br -01: RAID10 (stripe on top of mirrors) Note: Intel OROM displays this as RAID10 - -.TP -.I {-n|--native_log} [device-path...] -Display metadata in native, vendor-specific format. -In case a metadata format handler is chosen with -.B -f -only RAID devices with such format will be displayed in native format. -If device-path(s) is/are given on the command line, native metadata output -is restricted to those listed. -.TP -.I [{-P|--partchar} CHAR] -Use CHAR as the separator between the device name and the partition number. -.TP -.I {-R| --rebuild} RAID-set [device-path] -Rebuild raid array after a drive has failed and a new drive is added. -For Intel chipset based systems, there are two methods in which a new drive -is added to the system. - -1. Using OROM to identify a new drive - During system reboot, enter OROM and mark the new drive as the rebuild drive. - After booting to the OS, use the dmraid command to rebuild. - - Example: dmraid -R raid_set - -2. Using dmraid to identify a new drive - Boot to the OS and use the dmraid command with the new drive as -the second parameter. - - Example: dmraid -R raid_set /dev/sdc - -3. Using hot spare drive - Mark a drive as hot spare using the "dmraid -f isw -S" command. Then use the dmraid command to start the rebuild. - - Example: dmraid -R raid_set - -.TP -.I {-x|--remove} [RAID-set] -Delete one or all existing software RAID devices from the metadata. - -.TP -.I -f FORMAT-handler {-C|--create} --type raidlevel [--size=setsize --strip stripsize] --disk "device-path, device-path [,device-path]" +.br +01: RAID10 (stripe on top of mirrors) Note: Intel OROM displays this as RAID10 + +.TP +.I {-n|--native_log} [device-path...] +Display metadata in native, vendor-specific format. +In case a metadata format handler is chosen with +.B -f +only RAID devices with such format will be displayed in native format. +If device-path(s) is/are given on the command line, native metadata output +is restricted to those listed. +.TP +.I [{-P|--partchar} CHAR] +Use CHAR as the separator between the device name and the partition number. +.TP +.I {-R| --rebuild} RAID-set [device-path] +Rebuild raid array after a drive has failed and a new drive is added. +For Intel chipset based systems, there are two methods in which a new drive +is added to the system. + +1. Using OROM to identify a new drive + During system reboot, enter OROM and mark the new drive as the rebuild drive. + After booting to the OS, use the dmraid command to rebuild. + + Example: dmraid -R raid_set + +2. Using dmraid to identify a new drive + Boot to the OS and use the dmraid command with the new drive as +the second parameter. + + Example: dmraid -R raid_set /dev/sdc + +3. Using hot spare drive + Mark a drive as hot spare using the "dmraid -f isw -S" command. Then use the dmraid command to start the rebuild. + + Example: dmraid -R raid_set + +.TP +.I {-x|--remove} [RAID-set] +Delete one or all existing software RAID devices from the metadata. + +.TP +.I -f FORMAT-handler {-C|--create} --type raidlevel [--size=setsize --strip stripsize] --disk "device-path, device-path [,device-path]" Delete one or all existing Configure a software RAID device and store the configuration data in a group of hard drive devices consisting of this array. This command requires the following options: -f FORMAT-handler .br - metadata format (see "dmraid -l") -.br + metadata format (see "dmraid -l") +.br --type digit[digit...] -.br +.br specify the raid level of the software RAID set. -.br +.br 0: raid0 -.br +.br 1: raid1 -.br +.br 5: raid5 -.br - 01: raid01 (isw raid10) -.br +.br + 01: raid01 (isw raid10) +.br --size: [digits[k|K|m|M|g|G][b|B]] .br specify the size of the RAID set.The number is an integer followed by [kKmMgG] and/or [bB]. .br b: byte (default) -.br - B: block (512 bytes) +.br + B: block (512 bytes) .br K or K: on the base of 1024 .br m or M: on the base of 1024*1024 -.br +.br g or G: on the base of 1024*1024*1024 .br -If this option is missing, it's set to the default value pre-configured by the vendor. Note that different vendors may apply different constraints on the granularity of the size or the minimal value. -.br +If this option is missing, it's set to the default value pre-configured by the vendor. Note that different vendors may apply different constraints on the granularity of the size or the minimal value. +.br --strip: [digits[k|K|m|M|g|G][b|B]] -.br - specify the strip size of a RAID1, RAID5, and RAID10 RAID set (as above) -.br +.br + specify the strip size of a RAID1, RAID5, and RAID10 RAID set (as above) +.br --disk: device-path[{,| }device-path...] .br - specify the array of the hard drives, e.g. /dev/sda. - -.TP -.I -f FORMAT-handler -S -M device-path -.I -S -M device-path - -This command adds hot spare support for one or more RAID sets. - -1. When used with a format handler, which supports hot spare sets (e.g. isw), a hot spare is marked to be used when rebuilding any RAID set of that format. -2. When used when specifying a RAID set, the drive is added to that RAID set and will be used only to rebuild that set. Note: If the specified name does not match an existing RAID-set, a set with the new name will be created. - -.TP -.I {-r|--raid_devices} [device-path...] -List all discovered RAID devices with format, RAID level, sectors used -and data offset into the device. -In case a metadata format handler is chosen with -.B -f -, only RAID devices with such format can be discovered. Useful if devices -have multiple metadata signatures. -If -.B -D -is added to -.B -r -the RAID metadata gets dumped into a subdirectory named dmraid.format_name -(eg. format_name = isw) in files named devicename.dat. -The byte offset where the metadata is located on the device is written -into files named devicename.offset and the size of the device in sectors -into files named devicename.size. - -If -.B -E -is added to -.B -r -the RAID metadata on the devices gets conditionally erased. -Useful to erase old metadata after new one of different type has been -stored on a device in order to avoid discovering both. If you enter -.B -E -option -.B -D -will be enforced in order to have a fallback in case the wrong metadata -got erased. -Manual copying back onto the device is needed to recover from erasing -the wrong metadata using the dumped files devicename_formatname.dat -and devicename_formatname.offset. -Eg, to restore all *.dat files in the working directory to the respective devices: - -.br -for f in *.dat -.br -do -.br - dd if=$f of=/dev/${f%%.dat} \\ -.br - seek=`cat ${f%%dat}offset` bs=1 -.br -done -.br - -If device-path(s) is/are given on the command line, the above actions -are restricted to those listed. -Add -.B -c -to display RAID device names only and -.B -cc -for CSV column output of RAID device properties. -See description of -.B -c -above for FIELD identifiers. - -.TP -.I --separator SEPARATOR -Use SEPARATOR as a delimiter for all options taking or displaying lists. - -.TP -.I -s... [a|i] [RAID-set...] -Display properties of RAID sets. Multiple RAID set names can be given -on the command line which don't need to be fully specified (eg, "dmraid -s hpt" -would display all discovered Highpoint RAID sets). Enter -.B -s -twice to display RAID subsets too. -Add -.B -c -to display names of RAID sets only, -.B -cc -for CSV column output of RAID set properties and -.B -ccc -for inclusion of block devices in the listing. Doesn't imply -.B -s -s -to show RAID subsets (implied for group sets, e.g. isw). -Add -.B -g -to include information about group RAID sets (as with Intel Software -RAID) in the listing. -See description of -.B -c -above for FIELD identifiers. + specify the array of the hard drives, e.g. /dev/sda. + +.TP +.I -f FORMAT-handler -S -M device-path +.I -S -M device-path + +This command adds hot spare support for one or more RAID sets. + +1. When used with a format handler, which supports hot spare sets (e.g. isw), a hot spare is marked to be used when rebuilding any RAID set of that format. +2. When used when specifying a RAID set, the drive is added to that RAID set and will be used only to rebuild that set. Note: If the specified name does not match an existing RAID-set, a set with the new name will be created. + +.TP +.I {-r|--raid_devices} [device-path...] +List all discovered RAID devices with format, RAID level, sectors used +and data offset into the device. +In case a metadata format handler is chosen with +.B -f +, only RAID devices with such format can be discovered. Useful if devices +have multiple metadata signatures. +If +.B -D +is added to +.B -r +the RAID metadata gets dumped into a subdirectory named dmraid.format_name +(eg. format_name = isw) in files named devicename.dat. +The byte offset where the metadata is located on the device is written +into files named devicename.offset and the size of the device in sectors +into files named devicename.size. + +If +.B -E +is added to +.B -r +the RAID metadata on the devices gets conditionally erased. +Useful to erase old metadata after new one of different type has been +stored on a device in order to avoid discovering both. If you enter +.B -E +option +.B -D +will be enforced in order to have a fallback in case the wrong metadata +got erased. +Manual copying back onto the device is needed to recover from erasing +the wrong metadata using the dumped files devicename_formatname.dat +and devicename_formatname.offset. +Eg, to restore all *.dat files in the working directory to the respective devices: + +.br +for f in *.dat +.br +do +.br + dd if=$f of=/dev/${f%%.dat} \\ +.br + seek=`cat ${f%%dat}offset` bs=1 +.br +done +.br + +If device-path(s) is/are given on the command line, the above actions +are restricted to those listed. +Add +.B -c +to display RAID device names only and +.B -cc +for CSV column output of RAID device properties. +See description of +.B -c +above for FIELD identifiers. + +.TP +.I --separator SEPARATOR +Use SEPARATOR as a delimiter for all options taking or displaying lists. + +.TP +.I -s... [a|i] [RAID-set...] +Display properties of RAID sets. Multiple RAID set names can be given +on the command line which don't need to be fully specified (eg, "dmraid -s hpt" +would display all discovered Highpoint RAID sets). Enter +.B -s +twice to display RAID subsets too. +Add +.B -c +to display names of RAID sets only, +.B -cc +for CSV column output of RAID set properties and +.B -ccc +for inclusion of block devices in the listing. Doesn't imply +.B -s -s +to show RAID subsets (implied for group sets, e.g. isw). +Add +.B -g +to include information about group RAID sets (as with Intel Software +RAID) in the listing. +See description of +.B -c +above for FIELD identifiers. Note: Size is given in sectors (not bytes). - -.TP -.I [-v|--verbose]... -Enable verbose runtime information output. Opion can be given multiple times -increasing the verbosity level. - -.SH EXAMPLES -"dmraid -l" lists all supported metadata formats with their names along with -some descriptive information, eg: -.br -hpt37x : (+) Highpoint HPT37X -.br -hpt45x : (+) Highpoint HPT45X -.br -isw : (+) Intel Software RAID -.br -lsi : (0) LSI Logic MegaRAID -.br -nvidia : (+) NVidia RAID -.br -pdc : (+) Promise FastTrack -.br -sil : (+) Silicon Image(tm) Medley(tm) -.br -via : (+) VIA Software RAID -.br -dos : (+) DOS partitions on SW RAIDs -.br -(0): Discover, (+): Discover+Activate - -"dmraid -ay" activates all software RAID sets discovered. - -"dmraid -an" deactivates all active software RAID sets which are not open -(eg, mounted filesystem on them). - -"dmraid -ay -f pdc" (pdc looked up from "dmraid -l") activates all -software RAID sets with Promise format discovered and ignores all other -supported formats. - -"dmraid -r" discovers all software RAID devices supported on your system, eg: -.br -/dev/dm-46: hpt45x, "hpt45x_chidjhaiaa-0", striped, ok, 320172928 sectors, data@ 0 -.br -/dev/dm-50: hpt45x, "hpt45x_chidjhaiaa-0", striped, ok, 320172928 sectors, data@ 0 -.br -/dev/dm-54: hpt45x, "hpt45x_chidjhaiaa-1", striped, ok, 320172928 sectors, data@ 0 -.br -/dev/dm-58: hpt45x, "hpt45x_chidjhaiaa-1", striped, ok, 320172928 sectors, data@ 0 - - -"dmraid -s -s hpt45x_chidjhaiaa" displays properties of -set "hpt45x_chidjhaiaa", eg: -.br -*** Superset -.br -name : hpt45x_chidjhaiaa -.br -size : 640345856 -.br -stride : 128 -.br -type : raid10 -.br -status : ok -.br -subsets: 2 -.br -dev : 4 -.br -spare : 0 -.br ----> Subset -.br -name : hpt45x_chidjhaiaa-0 -.br -size : 640345856 -.br -stride : 128 -.br -type : stripe -.br -status : ok -.br -subsets: 0 -.br -dev : 2 -.br -spare : 0 -.br ----> Subset -.br -name : hpt45x_chidjhaiaa-1 -.br -size : 640345856 -.br -stride : 128 -.br -type : stripe -.br -status : ok -.br -subsets: 0 -.br -dev : 2 -.br -spare : 0 -.br - -"dmraid -s -ccs hpt45" displays properties in column format of all sets -and subsets with hpt45* format, eg: -.br -hpt45x_chidjhaiaa,640345856,128,raid10,ok,4,0 -.br -hpt45x_chidjhaiaa-a,640345856,128,stripe,ok,2,0 -.br -hpt45x_chidjhaiaa-b,640345856,128,stripe,ok,2,0 - -"dmraid -r --sep : -cpath:size" display paths and sizes in sectors for -RAID devices in column format using ':' as a delimiter, eg: -.br -/dev/dm-8:320173055 -.br -/dev/dm-12:320173055 -.br -/dev/dm-22:320173055 -.br -/dev/dm-26:320173055 -.br -/dev/dm-30:586114703 -.br -/dev/dm-34:586114703 -.br -/dev/dm-38:586114703 -.br -/dev/dm-42:586114703 -.br -/dev/dm-46:156301487 -.br -/dev/dm-50:156301487 -.br -/dev/dm-54:390624896 -.br -/dev/dm-58:390624896 -.br -/dev/dm-62:390624896 -.br -/dev/dm-66:390624896 - -"dmraid -f isw -C Raid0 --type 0 --strip 8k --size 20g --disk "/dev/sdb /dev/sdc"" creates an ISW volume with -a name of "Raid0", 20Gig bytes in total, and 8kilo bytes strip size on two disks. - -"dmraid -f isw -C Test0 --type 0 --disk "/dev/sdd /dev/sde"" creates an ISW volume with the default size and strip size. - -"dmraid -f isw -C Test10 --type 01 --strip 128B --disk "/dev/sda /dev/sdb /dev/sdc /dev/sdd" creates a stacked -RAID device, RAID10 (isw format), with a name of "Test10", 128 blocks (512bytes) strip size , and the default volume size on -4 disks. - -"dmraid -f isw -S -M /dev/sde" marks the device /dev/sde as a hot spare for rebuild - -"dmraid -R isw_djaggchdde_RAID1 /dev/sde" starts rebuild of the RAID volume on device /dev/sde - -.SH DIAGNOSTICS -dmraid returns an exit code of 0 for success or 1 for error. - -.SH AUTHOR -Heinz Mauelshagen <Mauelshagen@xxxxxxxxxx> + +.TP +.I [-v|--verbose]... +Enable verbose runtime information output. Opion can be given multiple times +increasing the verbosity level. + +.SH EXAMPLES +"dmraid -l" lists all supported metadata formats with their names along with +some descriptive information, eg: +.br +hpt37x : (+) Highpoint HPT37X +.br +hpt45x : (+) Highpoint HPT45X +.br +isw : (+) Intel Software RAID +.br +lsi : (0) LSI Logic MegaRAID +.br +nvidia : (+) NVidia RAID +.br +pdc : (+) Promise FastTrack +.br +sil : (+) Silicon Image(tm) Medley(tm) +.br +via : (+) VIA Software RAID +.br +dos : (+) DOS partitions on SW RAIDs +.br +(0): Discover, (+): Discover+Activate + +"dmraid -ay" activates all software RAID sets discovered. + +"dmraid -an" deactivates all active software RAID sets which are not open +(eg, mounted filesystem on them). + +"dmraid -ay -f pdc" (pdc looked up from "dmraid -l") activates all +software RAID sets with Promise format discovered and ignores all other +supported formats. + +"dmraid -r" discovers all software RAID devices supported on your system, eg: +.br +/dev/dm-46: hpt45x, "hpt45x_chidjhaiaa-0", striped, ok, 320172928 sectors, data@ 0 +.br +/dev/dm-50: hpt45x, "hpt45x_chidjhaiaa-0", striped, ok, 320172928 sectors, data@ 0 +.br +/dev/dm-54: hpt45x, "hpt45x_chidjhaiaa-1", striped, ok, 320172928 sectors, data@ 0 +.br +/dev/dm-58: hpt45x, "hpt45x_chidjhaiaa-1", striped, ok, 320172928 sectors, data@ 0 + + +"dmraid -s -s hpt45x_chidjhaiaa" displays properties of +set "hpt45x_chidjhaiaa", eg: +.br +*** Superset +.br +name : hpt45x_chidjhaiaa +.br +size : 640345856 +.br +stride : 128 +.br +type : raid10 +.br +status : ok +.br +subsets: 2 +.br +dev : 4 +.br +spare : 0 +.br +---> Subset +.br +name : hpt45x_chidjhaiaa-0 +.br +size : 640345856 +.br +stride : 128 +.br +type : stripe +.br +status : ok +.br +subsets: 0 +.br +dev : 2 +.br +spare : 0 +.br +---> Subset +.br +name : hpt45x_chidjhaiaa-1 +.br +size : 640345856 +.br +stride : 128 +.br +type : stripe +.br +status : ok +.br +subsets: 0 +.br +dev : 2 +.br +spare : 0 +.br + +"dmraid -s -ccs hpt45" displays properties in column format of all sets +and subsets with hpt45* format, eg: +.br +hpt45x_chidjhaiaa,640345856,128,raid10,ok,4,0 +.br +hpt45x_chidjhaiaa-a,640345856,128,stripe,ok,2,0 +.br +hpt45x_chidjhaiaa-b,640345856,128,stripe,ok,2,0 + +"dmraid -r --sep : -cpath:size" display paths and sizes in sectors for +RAID devices in column format using ':' as a delimiter, eg: +.br +/dev/dm-8:320173055 +.br +/dev/dm-12:320173055 +.br +/dev/dm-22:320173055 +.br +/dev/dm-26:320173055 +.br +/dev/dm-30:586114703 +.br +/dev/dm-34:586114703 +.br +/dev/dm-38:586114703 +.br +/dev/dm-42:586114703 +.br +/dev/dm-46:156301487 +.br +/dev/dm-50:156301487 +.br +/dev/dm-54:390624896 +.br +/dev/dm-58:390624896 +.br +/dev/dm-62:390624896 +.br +/dev/dm-66:390624896 + +"dmraid -f isw -C Raid0 --type 0 --strip 8k --size 20g --disk "/dev/sdb /dev/sdc"" creates an ISW volume with +a name of "Raid0", 20Gig bytes in total, and 8kilo bytes strip size on two disks. + +"dmraid -f isw -C Test0 --type 0 --disk "/dev/sdd /dev/sde"" creates an ISW volume with the default size and strip size. + +"dmraid -f isw -C Test10 --type 01 --strip 128B --disk "/dev/sda /dev/sdb /dev/sdc /dev/sdd" creates a stacked +RAID device, RAID10 (isw format), with a name of "Test10", 128 blocks (512bytes) strip size , and the default volume size on +4 disks. + +"dmraid -f isw -S -M /dev/sde" marks the device /dev/sde as a hot spare for rebuild + +"dmraid -R isw_djaggchdde_RAID1 /dev/sde" starts rebuild of the RAID volume on device /dev/sde + +.SH DIAGNOSTICS +dmraid returns an exit code of 0 for success or 1 for error. + +.SH AUTHOR +Heinz Mauelshagen <Mauelshagen@xxxxxxxxxx> -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
