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LVM2 mirror repository
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MD's bitmaps can handle 2^21 regions at most. The RAID code has always used a region_size of 1024 sectors. That means the size of a RAID LV was limited to 1TiB. (The user can adjust the region_size when creating a RAID LV, which can affect the maximum size.) Thus, creating, extending or converting to a RAID LV greater than 1TiB would result in a failure to load the new device-mapper table. Again, the size of the RAID LV is not limited by how much space is allocated for the metadata area, but by the limitations of the MD bitmap. Therefore, we must adjust the 'region_size' to ensure that the number of regions does not exceed the limit. I've added code to do this when extending a RAID LV (which covers 'create' and 'extend' operations) and when up-converting - specifically from linear to RAID1. |
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| doc | ||
| include | ||
| lib | ||
| libdaemon | ||
| libdm | ||
| liblvm | ||
| man | ||
| old-tests | ||
| po | ||
| report-generators | ||
| reports | ||
| scripts | ||
| test | ||
| tools | ||
| udev | ||
| unit-tests | ||
| .gitignore | ||
| aclocal.m4 | ||
| configure | ||
| configure.in | ||
| COPYING | ||
| COPYING.LIB | ||
| INSTALL | ||
| make.tmpl.in | ||
| Makefile.in | ||
| README | ||
| VERSION | ||
| VERSION_DM | ||
| WHATS_NEW | ||
| WHATS_NEW_DM | ||
This tree contains the LVM2 and device-mapper tools and libraries. For more information about LVM2 read the changelog in the WHATS_NEW file. Installation instructions are in INSTALL. There is no warranty - see COPYING and COPYING.LIB. Tarballs are available from: ftp://sources.redhat.com/pub/lvm2/ The source code is stored in git: http://git.fedorahosted.org/git/lvm2.git git clone git://git.fedorahosted.org/git/lvm2.git Mailing list for general discussion related to LVM2: linux-lvm@redhat.com Subscribe from https://www.redhat.com/mailman/listinfo/linux-lvm Mailing lists for LVM2 development, patches and commits: lvm-devel@redhat.com Subscribe from https://www.redhat.com/mailman/listinfo/linux-lvm lvm2-commits@lists.fedorahosted.org (Read-only archive of commits) Subscribe from https://fedorahosted.org/mailman/listinfo/lvm2-commits Mailing list for device-mapper development, including kernel patches and multipath-tools: dm-devel@redhat.com Subscribe from https://www.redhat.com/mailman/listinfo/dm-devel The source code repository used until 7th June 2012 is accessible here: http://sources.redhat.com/cgi-bin/cvsweb.cgi/LVM2/?cvsroot=lvm2.