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* [imsm] make container array_disk count work with array creationauto-spareDoug Ledford2010-05-261-14/+17
| | | | | | | | | | | | The previous method of setting the array_disk variable for a container would segfault if there were no valid subarrays in the container yet, which is always true when first using mdadm to create a container. This made it impossible to create containers using mdadm. So now we verify that at least one subarray exists before we get the disk count out of the subarray info. If no subarray exists, then we don't care about the disk count anyway as there is nothing to be started. Signed-off-by: Doug Ledford <dledford@redhat.com>
* Don't even try to activate non-redundant array types unless all disksDoug Ledford2010-04-131-2/+5
| | | | | | | are present. This keeps arrays from getting marked as broken in the superblock and then permanently blocked from being assembled. Signed-off-by: Doug Ledford <dledford@redhat.com>
* Make Incremental container assembly behave like native array assemblyDoug Ledford2010-04-133-14/+43
| | | | Signed-off-by: Doug Ledford <dledford@redhat.com>
* Only close lfd if we have an external metadata type since that's the onlyDoug Ledford2010-04-131-1/+2
| | | | | | | | | | time we'll have it open. If we weren't able to open the device file, assume the device is gone already and skip the sysfs_unique_holder test as it is guaranteed to fail. Signed-off-by: Doug Ledford <dledford@redhat.com>
* Minor bug fix to incremental remove supportDoug Ledford2010-04-131-0/+3
| | | | Signed-off-by: Doug Ledford <dledford@redhat.com>
* Initial implementation of incremental remove supportDoug Ledford2010-04-139-51/+274
| | | | Signed-off-by: Doug Ledford <dledford@redhat.com>
* Incremental touchup of directory change patchDoug Ledford2010-04-131-2/+1
| | | | Signed-off-by: Doug Ledford <dledford@redhat.com>
* Additional incremental update to pid changesDoug Ledford2010-04-134-20/+8
| | | | Signed-off-by: Doug Ledford <dledford@redhat.com>
* We're tweaking udev rules, so add installing them backDoug Ledford2010-04-131-1/+1
| | | | Signed-off-by: Doug Ledford <dledford@redhat.com>
* Fix to first commitDoug Ledford2010-04-131-2/+2
| | | | Signed-off-by: Doug Ledford <dledford@redhat.com>
* Local tweaks to speed build/install/test cyclesDoug Ledford2010-04-132-5/+5
| | | | Signed-off-by: Doug Ledford <dledford@redhat.com>
* Clean up confusion with ALT_RUN, VAR_RUN, etc.Doug Ledford2010-04-135-56/+50
| | | | | | | | | | | | | | | | | | | | Instead of overloading different things, create three different directory definitions: MAP_DIR, MDMON_DIR, and MDMONITOR_DIR. These are the three places where the respective components will stick their files. There will no longer be attempts to use more than one place except for the mapfile which is now limited to only two attempts: MAP_DIR and /var/run. While fixing this I noticed a couple small bugs that got folded into the same commit just because I already had most of the edits done by the time bugs were found: 1) in mdmon.c, we should create the directory with mode 755, not 700. 2) in mdmon.c, don't attempt to remove the MDMON_DIR as it should probably be on a tmpfs and this is unneeded 3) in mapfile.c, we were attempting to mkdir mapdir[modenum] and that should have been mapdir[i] as the current filename is indexed by i Signed-off-by: Doug Ledford <dledford@redhat.com>
* powerpc compile fixDoug Ledford2010-04-071-1/+1
| | | | | Signed-off-by: Doug Ledford <dledford@redhat.com> Signed-off-by: NeilBrown <neilb@suse.de>
* Don't attempt to create or read bitmaps where the metadata doesn't support it.NeilBrown2010-04-073-2/+16
| | | | | | | In particular, if the relevant bitmap method is NULL, don't try to call it, print an error instead. Signed-off-by: NeilBrown <neilb@suse.de>
* Merge branch 'HEAD'; commit 'a4b93c9ce4f15217afb8'NeilBrown2010-04-071-0/+46
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| * Add ANNOUNCE-3.1.2NeilBrown2010-04-071-0/+46
| | | | | | | | | | | | Forgot to git-add this for the release :-( Signed-off-by: NeilBrown <neil@suse.de>
* | Only signal a udev change event if we actually write a mapfile in RebuildMapDoug Ledford2010-03-241-6/+8
| | | | | | | | Signed-off-by: Doug Ledford <dledford@redhat.com>
* | mapfile: if we putting the mapfile in a custom location via ALT_RUN, allowDoug Ledford2010-03-243-2/+6
| | | | | | | | | | | | a custom filename too. Signed-off-by: Doug Ledford <dledford@redhat.com>
* | Create directory to contain mapfile (Assuming parent exists andDoug Ledford2010-03-242-5/+14
| | | | | | | | | | | | | | | | filesystem is writable). This particularly keeps udev happy if VAR_RUN is set to /dev/md. Signed-off-by: Doug Ledford <dledford@redhat.com> Signed-off-by: NeilBrown <neilb@suse.de>
* | (no commit message)NeilBrown2010-03-241-1/+6
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* Release mdadm-3.1.2NeilBrown2010-03-107-8/+9
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* tests: adjust sizes for new defaultsNeilBrown2010-03-1017-33/+38
| | | | | | | Default metadata type is now 1.2, and we sometimes add extra alignment before the data section, so adjust tests for these changes. Signed-off-by: NeilBrown <neilb@suse.de>
* ddf/intel: zero out old metadata before creating a container.NeilBrown2010-03-102-2/+10
| | | | | | | | Matching the functionality already in super0 and super1, when we first create a container, remove any other recognisable metadata to ensure it doesn't cause confusion. Signed-off-by: NeilBrown <neilb@suse.de>
* Grow: fix recent breakage - lseek return status.NeilBrown2010-03-101-3/+8
| | | | | | | | | Recent fix to check lseek64 return status got it badly wrong. It doesn't return 0 on success!! Fix it. Signed-off-by: NeilBrown <neilb@suse.de>
* Assemble: fix some recently introduced bugs.NeilBrown2010-03-101-10/+17
| | | | | | | | Found during testing: - cannot check metadata for homehost before loading metadata. - As 1.x metadata can has a state 'rebuilding' between 'spare' and 'ok', we need to include that in our calculations. Signed-off-by: NeilBrown <neilb@suse.de>
* Merge branch 'master' of git://github.com/djbw/mdadmNeilBrown2010-03-101-10/+5
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| * imsm: kill ->creating_imsm flagDan Williams2010-03-031-6/+4
| | | | | | | | | | | | It is an unused holdover from long since removed functionality. Signed-off-by: Dan Williams <dan.j.williams@intel.com>
| * Revert "Make the IMSM_DEVNAME_AS_SERIAL option work when creating containers."Dan Williams2010-03-031-4/+1
| | | | | | | | | | | | | | This reverts commit 9ef5dbff4adc7979102e71efe8efd83d8e0dc775 as it is duplicating the check that is done internal to imsm_read_serial(). Signed-off-by: Dan Williams <dan.j.williams@intel.com>
* | Stop: done stop a container which still have members active.NeilBrown2010-03-091-0/+21
| | | | | | | | | | | | Doing that is just confusing... Signed-off-by: NeilBrown <neilb@suse.de>
* | Make sure reshape_active is cleared by getinfo_superNeilBrown2010-03-092-0/+2
| | | | | | | | | | | | There were cases where --detail would report phantom reshapes. Signed-off-by: NeilBrown <neilb@suse.de>
* | mdmon.8: minor manpage updateNeilBrown2010-03-091-0/+5
| | | | | | | | Signed-off-by: NeilBrown <neilb@suse.de>
* | mdadm.8: improve hosthost documentationNeilBrown2010-03-091-0/+19
| | | | | | Signed-off-by: NeilBrown <neilb@suse.de>
* | Grow: fix problem with validating chunk sizeNeilBrown2010-03-091-2/+2
| | | | | | | | | | | | | | When checking if the new chunk size fit in the component size we were confusing sectors and K, and so getting it wrong. Signed-off-by: NeilBrown <neilb@suse.de>
* | Improve partition table code.NeilBrown2010-03-091-21/+49
| | | | | | | | | | | | | | | | | | | | Code to check partition tables used some needless casts and was broken, using a u8 when a u32 was wanted. So create structure describing the tables rather than using offset, and read into those tables instead. Signed-off-by: NeilBrown <neilb@suse.de>
* | mdadm.8: correct typo: pairtyRyo Fujita2010-03-081-1/+1
|/ | | | Signed-off-by: NeilBrown <neilb@suse.de>
* super1: encourage data alignment on 1Meg boundaryNeilBrown2010-03-031-12/+40
| | | | | | | | | | | | | For 1.1 and 1.2 metadata where data_offset is not zero, it is important to align the data_offset to underlying block size. We don't currently have access to the particular device in avail_size so just try to force to a 1Meg boundary. Also default 1.x metadata to 1.2 as documented. Signed-off-by: NeilBrown <neilb@suse.de>
* config: add 'homehost' option to 'AUTO' line.NeilBrown2010-03-037-24/+70
| | | | | | This allows basing auto-assembly decisions on whether the array is recorded as belonging to this host or not. Signed-off-by: NeilBrown <neilb@suse.de>
* Manage: fix regression on removing detached devices.NeilBrown2010-03-031-7/+15
| | | | | | | | | | | | If /dev is static, a name may remain there after the device has been detached from the system. Using 'mdadm' to remove such a device from the array should still work (even though "mdadm --remove detached" might be preferred). So when processing a device for '-r', don't insist on being able to open the device. Signed-off-by: NeilBrown <neilb@suse.de>
* allow redefinition of VAR_RUNLuca Berra2010-03-032-1/+14
| | | | | | | having mdmon socket under var is painful at shutdown time Signed-off-by: Luca Berra <bluca@comedia.it> Signed-off-by: NeilBrown <neilb@suse.de>
* mdmon: Check both RUN directories to find running mdmonNeilBrown2010-03-031-12/+9
| | | | | | | | | | If mdmon is run without "--takeover", it should still check both *_RUN directories for a valid 'pid' file to guard against having two mdmons running at the same time. Suggested-by: Luca Berra <bluca@comedia.it> Signed-off-by: NeilBrown <neilb@suse.de>
* mdmon: check select a writable pid_dirLuca Berra2010-03-031-13/+12
| | | | | | | | Check that either VAR_DIR or ALT_DIR is actually writable before selecting it. Signed-off-by: Luca Berra <bluca@comedia.it> Signed-off-by: NeilBrown <neilb@suse.de>
* fix mdmon takeoverLuca Berra2010-03-032-3/+3
| | | | | | | | | | | - when we waited for the old mdmon to exit, we didn't look for the socket in the right place - when we failed to find a pid file, we returned the wrong value (code expected <0, but got ==0). Signed-off-by: Luca Berra <bluca@comedia.it> Signed-off-by: NeilBrown <neilb@suse.de>
* fix mdmon option parsingLuca Berra2010-03-032-7/+19
| | | | | | | | | | | running mdmon --takeover --all resulted in a segfault. Also allow "--all" to be longer so that e.g. md_d127 can successfully over-write it in the argument list visible to 'ps'. Signed-off-by: Luca Berra <bluca@comedia.it> Signed-off-by: NeilBrown <neilb@suse.de>
* Add _FORTIFY_SOURCE to mdadm.O2 build.NeilBrown2010-03-034-20/+44
| | | | | | | | | | When building mdadm.O2, set _FORTIFY_SOURCE to get more warnings, and also build mdmon.O2 to find warnings in that code too. Then fix the warnings. Suggested-by: Luca Berra <bluca@comedia.it> Signed-off-by: NeilBrown <neilb@suse.de>
* Fix warning about unused variable.NeilBrown2010-03-031-1/+4
| | | | | | Warning only appears with -O2, but is invalid. Signed-off-by: NeilBrown <neilb@suse.de>
* fix gcc warnings about strict-aliasing rulesNeilBrown2010-03-031-2/+5
| | | | | Original-by: Luca Berra <bluca@comedia.it> Signed-off-by: NeilBrown <neilb@suse.de>
* Assemble: clean up properly if we cannot add the bitmap file.NeilBrown2010-02-241-0/+4
| | | | | | | If we find we cannot add the requested bitmap file when assembling the array, then make sure to clean up properly and don't leave a half-configured array. Signed-off-by: NeilBrown <neilb@suse.de>
* Create: change default metadata type to 1.2NeilBrown2010-02-242-3/+3
| | | | | | | | | | | | | Change default - again, sorry. v1.1 causes problems as the conflicts with a boot sector, whether on the whole device or in a partition. I guess the rule is they you aren't allowed to use the first sector in general. v1.2 is mostly just as good and avoid boot-sector problems so default to that instead. Signed-off-by: NeilBrown <neilb@suse.de>
* Grow: be more relaxed about timestamp mismatches on backup file.NeilBrown2010-02-241-4/+16
| | | | | | | | | As backup file has a timestamp which is updated quite separately from the metadata timestamp. They should be largely in-sync but sometimes are not. So be more generous in the check, and allow it to be over-ridden by an environment variable. Signed-off-by: NeilBrown <neilb@suse.de>
* Assemble: check inargv before complaining about stray arguments.NeilBrown2010-02-241-1/+1
| | | | | | | | | | | | | | | If --assemble is given a container and some other devices to assemble an array from, it complains with an error because that doesn't make sense. However it currently also complains if the list of devices was extract from the config file rather than being given on the command line. That is not appropriate. So add an '&& inargv' test to ensure that we are really complaining about the right thing. Signed-off-by: NeilBrown <neilb@suse.de> Acked-by: Dan Williams <dan.j.williams@intel.com>
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