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OK :) So here's your goal: 4 x HDD (2 TB), RAID 1+0. Single 4TB partition. Seeing that it's only reporting around 1.6TB, that much missing storage suggests a meta-data problem to me. I would suggest tearing down the entire array and ensure the metadata is wiped by using dmraid -rE . Then, once those
dmsetup message device_name sector message dmsetup mknodes [device_name] dmsetup reload device_name [--table table|table_file] dmsetup remove [-f|--force] [--retry] [--deferred] device_name dmsetup remove_all [-f|--force] [--deferred] dmsetup rename device_name new_name dmsetup rename device_name
It's part of the device mapper in the kernel, used by LVM. Use dmsetup ls to see what is behind it.
???????????????. ?????????? Ubuntu ????????????Apache-2.0, Artistic, BSD, GFDL, GFDL-1.2, 1.20140128-1ubuntu8.2 diffutils. 1:3.3-1 dmsetup. 2:1.02.77-6ubuntu2 dpkg. 1.17.5ubuntu5.7 dpkg-dev. 1.17.5ubuntu5.7 e2fslibs:amd64. 1.42.9-3ubuntu1.3 e2fsprogs. 1.42.9-3ubuntu1.3.
I had a similar issue with an SD card and Aaoron Flin's suggestion to use dmsetup worked for me. Specifically, you should be able to ls /dev/mapper to see if any loop0pX partitions exist. If so, you can use dmsetup remove /dev/mapper/loop0p2 to get rid of any unnecessary partitions. This can be useful if
Manual Arts High School is a secondary public school in Los Angeles, California. When founded, Manual Arts was a vocational high school, but later converted to a traditional curriculum. Contents. [hide]. 1 History. 1.1 West Adams High School. 2 Student body; 3 Notable alumni; 4 References; 5 External links. History[edit].
21 Jul 2015 The last line runs dmsetup with the create command. twoasone is the device name passed to the create command. /tmp/onedisk is also passed to the create command as containing the table format. So linear is actually a table format option. You can see more information about it from the dmsetup manual
6 days ago Normally, users rarely use dmsetup directly. The dmsetup is a very low level, and difficult tool to use. LVM, mdtool or cryptsetup is generally the preferred way to do it, as it takes care of saving the metadata and issuing the dmsetup commands. However, sometimes it is desirable to deal with directly:
dmsetup info -c | grep vol0. Take note of the 5th column, which indicates if a volume is “open," and the 2nd and 3rd columns, which are the major and minor IDs, respectively. Find any process attached to this volume by searching on the major and minor IDs discovered above: # lsof | grep "major,minor".
My enquiry a few years ago got the suggestion to try dmsetup remove . Unfortunately, this requires a device name and dmsetup info a-pvmove0 reports that the Device does not exist . I suspect that the only fix is to manually edit the config file to remove the offending LV and then use vgcfgrestore but would
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