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* Fix possible bug with bitmap space allocation with v1.0 metadataNeil Brown2008-04-294-13/+15
| | | | | When adding a device to an array, make sure we don't reserve so much space for the bitmap that there isn't room for the data.
* Small improvements to --incremental for arrays that are in the middle of reshapeNeil Brown2008-04-281-1/+2
| | | | | | There is still a problem: If array is partially assembled and started read-only, the last device doesn't get added properly. Probably a kernel problem.
* Allow creation of a RAID6 with a single missing device.Neil Brown2008-04-282-2/+19
| | | | | | | | This did not work before as we couldn't mark it clean as there would be some parity blocks out of sync, and raid6 will not assemble a dirty degraded array. So make such arrays doubly degraded (the last device becomes a spare) and clean.
* Updates some URLs in the man page.Neil Brown2008-04-282-4/+9
| | | | Particularly, add the wiki on osdl.org
* Print 'Events' more sensibly.Neil Brown2008-04-282-1/+5
| | | | Instead of MSW.LSW, just print it as a 64bit number.
* Fix problems with array.size overflowing on large arrays.Neil Brown2008-04-283-3/+14
| | | | | | | | | | | array.size is 32bits and counts K. So for arrays with more than 4Terrabytes, it can overflow. The correct number can be read from sysfs, but there are still a few places that use array.size and risk truncation. What is worse. they compare a number of kilobytes with a number of sectors !! So use get_component_size() to read the sysfs information, and be more consistent about units.
* Fix for segfault when reading /proc/mdstatNeil Brown2008-04-284-0/+19
| | | | | | | | | Some kernel versions don't put a space between 'active' and '(auto-read-only)' in /proc/mdstat. This causes a parsing problem leaving 'level' set to NULL which causes a crash. So synthesise a space there if it is missing, and check for 'level' to be NULL and don't de-ref if it is.
* Use sysfs info for metadata version info in Detail and elsewhere.Neil Brown2007-12-143-13/+38
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* Replace sysarray with mdinfoNeil Brown2007-12-146-63/+61
| | | | | Sure, mdinfo is bigger, but having a uniform structure for lots of things will make life easier.
* Use 'mdinfo' instead of special 'sysdev' structure.Neil Brown2007-12-145-88/+86
| | | | | there is needless duplicatiion between mdinfo and sysdev, so discard the latter.
* Some tidy up of 'devices' in assemble.Neil Brown2007-12-141-56/+56
| | | | | use "mdinfo" in the devices list rather than just copying ad-hoc fields in.
* Don't record oldmajor/oldminor any more during assemble.Neil Brown2007-12-141-3/+0
| | | | We don't use the information at all (any longer).
* Find super from fd on an array.Neil Brown2007-12-145-21/+53
| | | | | We used to use the major/minor numbers, but that isn't sufficient any more, so pass the fd, and possibly check 'text' version.
* Drop the superblock arg from all metadata methods.Neil Brown2007-12-1414-325/+330
| | | | It is now in the 'supertype'
* Fix compare_super to take supertype instead of a superblock.Neil Brown2007-12-145-13/+19
| | | | | As this function takes 2 superblocks, the change is a bit more subtle, so is done separately.
* Add 'supertype' arg to almost all metadata methods.Neil Brown2007-12-1413-117/+128
| | | | The 'superblock' will be moved into this structure soon.
* Allow metadata handlers to free their own superblock.Neil Brown2007-12-1411-54/+64
| | | | | | As the metadata handler allocates the superblock, it should free it too. DDF will have a more complex 'superblock' which needs more complex freeing.
* Make sure sysfs_read never succeeds for a non-MD device.Neil Brown2007-12-141-1/+4
| | | | ... just in case.
* Remove spaces/tabs from ends of lines.Neil Brown2007-12-1423-125/+120
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* A recent patch broke --create --level=faulty - fix it.Neil Brown2007-11-291-0/+1
| | | | Thanks to Martin Bene.
* Add metadata version information to "--detail --brief" output.Neil Brown2007-11-131-1/+4
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* Release 2.6.4mdadm-2.6.4Neil Brown2007-10-198-5/+43
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* Remove partitions from a device before adding it to an array.Neil Brown2007-10-191-1/+1
| | | | | The 'remove_partitions' call is in the wrong place and applying to the wrong file.
* Add some extra consistency checks based on level.Neil Brown2007-10-172-6/+21
| | | | Also use LEVEL_LINEAR, LEVEL_MULTIPATH in place of -1 or -4 in a few places.
* Clarify the avail/used devices sizes with version1 superblock.Neil Brown2007-10-171-2/+2
| | | | | Not all of the device may be available. Of that, not all may be used (if devices are of different sizes).
* Make sure --auto=mdp is honoured properlyNeil Brown2007-10-171-0/+1
| | | | | This would only create partitioned devices if the device name was a 'standard' name. This this patch, any name will work.
* Fix restarting of a reshaping array.Neil Brown2007-10-161-0/+21
| | | | | | | | The last release broke the ability to assemble an array that was in the middle of a reshape. This patch adds code to test if the critical section needs to be restored or not so that - if we have failed to restore it, we know whether to fail or not.
* Also use &tst instead of st later on when loading v1 superblocksJérémy Bobbio2007-10-011-1/+1
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* Fix segfault on assembly on amd64 with v1 superblocksmartin f. krafft2007-09-301-1/+1
| | | | | | | | Commit a40b4fe introduced a temporary supertype variable tst, instead of manipulating st directly. However, it was forgotton to pass &tst into the recursive load_super1 call, causing an infinite recursion. Signed-off-by: martin f. krafft <madduck@debian.org>
* Monitor.c s/MAXINT/INT_MAX/gmaximilian attems2007-09-271-6/+6
| | | | | | | include limits.h directly instead of values.h Signed-off-by: maximilian attems <max@stro.at> Signed-off-by: Neil Brown <neilb@suse.de>
* mdopen.c don't shadow major() and minor()maximilian attems2007-09-271-32/+32
| | | | | | | s/(major|minor)/\1_num/ Signed-off-by: maximilian attems <max@stro.at> Signed-off-by: Neil Brown <neilb@suse.de>
* Monitor.c include signal.h directlymaximilian attems2007-09-271-1/+1
| | | | | | | another small step for better klibc support, glibc compile tested. Signed-off-by: maximilian attems <max@stro.at> Signed-off-by: Neil Brown <neilb@suse.de>
* Add ANNOUNCE-2.6.1 to gitNeil Brown2007-09-241-0/+33
| | | | | Somehow this missed out of getting into .git even though it is in all tha tar-balls.
* Don't corrupt 'supertype' when speculatively calling load_super1Neil Brown2007-09-241-9/+10
| | | | | | | | When load_super1 is trying to see which sub-version of v1 superblock is present, failure will cause it to clear st->ss, which is not good. So use a temporary 'super_type' for the 'test if this version works' calls, then copy that into 'st' on success.
* config.c include dirent.h instead sys/dir.hmaximilian attems2007-09-241-1/+1
| | | | | | | | | | sys/dir.h is an old BSD'ism, include dirent directly. small step for better klibc support. compile tested against glibc. Signed-off-by: maximilian attems <max@stro.at> Signed-off-by: Neil Brown <neilb@suse.de>
* Create.c s/major/major_num/maximilian attems2007-09-241-4/+4
| | | | | | | don't shadow the major() function by int major. Signed-off-by: maximilian attems <max@stro.at> Signed-off-by: Neil Brown <neilb@suse.de>
* Add klibc support to mdadm.hmaximilian attems2007-09-241-1/+8
| | | | | | | | klibc still misses a lot functionality to let mdadm link against, this small step helps to get to the real trouble.. :) Signed-off-by: maximilian attems <max@stro.at> Signed-off-by: Neil Brown <neilb@suse.de>
* Make "--write-mostly" effective when re-adding a device to an array.Neil Brown2007-09-241-3/+5
| | | | | | | | | Fixes Debian Bug 442874 When we discover that we can 're-add' a drive, we forget to check the write-mostly flag. This highlights the fact that you cannot turn 'off' the write-mostly flag at this point. I wonder if that is a problem...
* Explain the read-balancing algorithm for RAID1 better in md.4Iustin Pop2007-09-115-0/+7
| | | | | | | | | | | From: Iustin Pop <iusty@k1024.org> There are many questions on the mailing list about the RAID1 read performance profile. This patch adds a new paragraph to the RAID1 section in md.4 that details what kind of speed-up one should expect from RAID1. Signed-off-by: Iustin Pop <iusty@k1024.org>
* Release 2.6.3mdadm-2.6.3Neil Brown2007-08-207-7/+52
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* Update changelogNeil Brown2007-08-201-0/+9
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* Report error when grow cannot be restarted.Neil Brown2007-08-202-3/+5
| | | | | | Make sure that if --assemble find an array in the critical region of a reshape, and cannot find the critical data to restart the reshape, it gives an error message.
* Fix error message when adding a device that is too small.Neil Brown2007-08-202-6/+8
| | | | | We were multiplying MD_RESERVED_SECTORS by 1024 instead of 512, so lots of 'is it too small' checks were wrong.
* Fix problem with add a device to a 1.x array created with older mdadm.Neil Brown2007-08-206-0/+7
| | | | | | When adding new disk to an array, don't reserve so much bitmap space that the disk cannot store the required data. (Needed when 1.x array was created with older mdadm).
* Reject '--bitmap none' for build and create.Neil Brown2007-07-231-1/+7
| | | | | We don't want to create a file called 'none', and it isn't needed, so just reject it.
* "--export" segfaults with non-persistent super blocksTim Woods2007-07-231-1/+2
| | | | | | | From: Tim Woods <timwoods@uklinux.net> This patch fixes a NULL pointer dereference in Detail.c when running 'mdadm --detail --export' on a device with non-persistent super blocks.
* In the MISC MODE section in mdadm(8), the names of the options should beNeil Brown2007-07-231-8/+8
| | | | | | | | in bold. -- AYM 2007-01-14 diff -ur mdadm-2.6/mdadm.8 mdadm-2.6-man1/mdadm.8
* Substantial corrections to man pages.Scott Weikart2007-07-134-159/+156
| | | | | | From: "Scott Weikart" <Scott.W@Benetech.org> Thanks Scott!
* Typo in man page: Multipath has an L ...Neil Brown2007-07-111-1/+1
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* Allow "--write-behind=" to be done in grow mode.Ian Dall2007-07-092-0/+4
| | | | | | | | | From: Ian Dall <ian@beware.dropbear.id.au> I have a small patch to mdadm which allows the write-behind amount to be set a array grow time (instead of currently only at grow or create time). I have tested this fairly extensively on some arrays built out of loop back devices, and once on a real live array.
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