If device-path(s) is/are given on the command line, the above actionsįor CSV column output of RAID device properties.

The wrong metadata using the dumped files devicename_formatname.datĮg, to restore all *.dat files in the working directory to the respective devices: Manual copying back onto the device is needed to recover from erasing Will be enforced in order to have a fallback in case the wrong metadata Stored on a device in order to avoid discovering both. Useful to erase old metadata after new one of different type has been The RAID metadata on the devices gets conditionally erased. Into files named devicename.offset and the size of the device in sectors The byte offset where the metadata is located on the device is written format_name = isw) in files named devicename.dat. The RAID metadata gets dumped into a subdirectory named dmraid.format_name , only RAID devices with such format can be discovered. In case a metadata format handler is chosen with List all discovered RAID devices with format, RAID level, sectors used Note: If the specified name does not match an existing RAID-set, a set with the new name will be created. When used when specifying a RAID set, the drive is added to that RAID set and will be used only to rebuild that set. isw), a hot spare is marked to be used when rebuilding any RAID set of that format.Ģ. When used with a format handler, which supports hot spare sets (e.g. This command adds hot spare support for one or more RAID sets.ġ. f FORMAT-handler -S -M device-path -S -M device-path Specify the array of the hard drives, e.g. Specify the strip size of a RAID1, RAID5, and RAID10 RAID set (as above) Note that different vendors may apply different constraints on the granularity of the size or the minimal value. If this option is missing, it's set to the default value pre-configured by the vendor. Specify the size of the RAID set.The number is an integer followed by and/or. Specify the raid level of the software RAID set. This command requires the following options:

OPTIONS -a, -activate -type raidlevel -disk device-path, device-path ĭelete 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. Option) which can be used to access all RAID sets of a specific format RaidSetName starts with the format name (see It offers activating RAID sets made up by 2 or moreĭiscovered RAID devices, display properties of devices and sets (see optionīlock device access to activated RAID sets occurs via device-mapper nodes Support various formats (e.g., Highpoint 37x series). disk 'device-path, device-path 'ĭmraid discovers block and software RAID devices (e.g., ATARAID)īy using multiple different metadata format handlers which Command to display dmraid.static manual in Linux: $ man 8 dmraid.static NAMEĭmraid - discover, configure and activate software (ATA)RAID

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