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172 Commits

Author SHA1 Message Date
Goswin Brederlow
2790ffe38a Document that the default metadata version can be overridden in config file. 
From: Goswin Brederlow <brederlo@informatik.uni-tuebingen.de>

This is already mentioned in the config documentation, but not in the
place when the normal default is mentioned.

Fixes-debian-bug: 396914
 2006-11-09 09:37:45 +11:00
Neil Brown
d87d0978e2 Strdup the bitmap file name found in the config file 
Otherwise we quickly lose it...
 2006-11-09 09:37:10 +11:00
Neil Brown
209b742f4d Release 2-5-5 2006-11-03 14:52:28 +11:00
Neil Brown
cbfbcb0b50 Improve error message when wrong --update option is given. 2006-10-23 08:56:27 +10:00
Neil Brown
702b557b1c Fix bugs related to raid10 and the new offset layout. 
Need to mask of bits above the bottom 16 when calculating number of
copies.
 2006-10-19 16:38:29 +10:00
Luca Berra
1cac4c1b55 Don't trigger and error on -As if all arrays are already started. 
From: Luca Berra <bluca@comedia.it>

Put another way, if we find any active arrays, then assume things are
going as planned.
 2006-10-16 15:27:48 +10:00
Luca Berra
e60c27d04e Don't fail md_open if array already active. 
From: Luca Berra <bluca@comedia.it>

There is no need and it causes occasional problems.
 2006-10-16 15:27:16 +10:00
Luca Berra
435d4ebb2e Mdassemble improvements 
From: Luca Berra <bluca@comedia.it>

- Fix a bug where mdassemble didn't close a filedescriptor and so couldn't assembele
  stacked arrays.
- Allow mdassemble, when run a second time, to mark all arrays as writable.
  This is useful if they are started read-only as is best at boot-time.
 2006-10-16 15:26:53 +10:00
Neil Brown
b39827de21 Reduce max bitmap size when bitmap is in a file. 
To ensure kernel never needs to allocate more than 1 page contiguously.
 2006-10-16 15:26:43 +10:00
Neil Brown
0a816ef9fb Don't #include blkpg.h 
Just include the content directly.  It is safer.
 2006-10-16 14:38:13 +10:00
Neil Brown
8e64e04456 Release 2-5-4 2006-10-13 10:12:47 +10:00
Neil Brown
0430ed4868 Remove partitions from components of an md array 
They do nothing but cause confusion.
 2006-10-13 09:02:35 +10:00
Neil Brown
6ba83b5f5e Allow a number after --auto=yes 
So if the device name is /dev/md/d0, then the number of
partitions is as given.  This is useful in 'CREATE' in
mdadm.conf
 2006-10-13 08:23:16 +10:00
Paul Clements
10ae45c12c Fixed endian problem with bitmap metdata 
From: Paul Clements <paul.clements@steeleye.com>
 2006-10-09 11:17:22 +10:00
Neil Brown
83205b6419 Fix some endian-ness issues with v1 superblocks. 2006-10-09 11:17:12 +10:00
Neil Brown
38098016ca Allow symlink creation to be disabled from command line or mdadm.conf 2006-08-11 18:00:05 +10:00
Neil Brown
60248f7433 Tidyup automatic name choice for v-1 arrays 
/dev/md_d0 now becomes '0', not '_d0'.
 2006-08-07 11:30:02 +10:00
Neil Brown
43f2372a03 Fix starting of degraded arrays. 
Recent change broke assembling of degraded arrays, making
it require --run.  This fixes that.
 2006-08-07 11:13:01 +10:00
Neil Brown
90fc992e4e Explicitly state GPL license in man pages. 2006-08-07 11:12:25 +10:00
Neil Brown
2a940e3619 Document usage of version0.91 superblock. 2006-08-07 11:11:42 +10:00
Neil Brown
2a91e1491e Release 2.5.2 
Description...
 2006-06-27 21:31:58 +10:00
Neil Brown
8aec876d2e More consistent honoring of --configfile 
Never use /etc/mdadm.conf if --config file is given (previously
some code used one, some used the other).
 2006-06-26 15:11:01 +10:00
Neil Brown
45e878bba6 Improve ftw handling. 
If not 'ftw' is available, still allow openning of devices by dev number.

More recent version of uclibc support nftw, so add support to check
for that.
 2006-06-26 15:10:48 +10:00
Neil Brown
08110d41bc Fix a recently introduced bug, and make --assemble more resilient to it. 
Make -assemble a bit more resilient to finding strange
 information in superblocks.
Don't claim newly added spares are InSync!! (don't know why that
 code was ever in there)
 2006-06-26 12:26:12 +10:00
Neil Brown
7eae7080e2 Work around bug in --add handling for version-1 superblocks 
In 2.6.17 (and prior), the dev_number is ignored when a device
is added to an active array.  Rather the first free number is used.
So we work around this by making sure we use the first free
number for dev_number.

Description...
 2006-06-26 12:26:09 +10:00
Neil Brown
c3684618b7 Add 'Array Slot' line to --examine for version-1 superblocks 
to make it a bit easier to see what is happening.
 2006-06-26 12:26:01 +10:00
Neil Brown
ae184b4927 Get the changelog uptodate for recent changes. 2006-06-26 12:06:01 +10:00
Neil Brown
82d8a04691 Update Changelog for 2.5.1 2006-06-16 10:53:55 +10:00
Neil Brown
41a3b72a9c Release 2.5 
Signed-off-by: Neil Brown <neilb@suse.de>
 2006-05-26 07:12:48 +00:00
Neil Brown
b8a8ccf945 New flag --no-degraded 
Use to avoid starting arrays if there are
fewer devices available than last time the array was started.
This is only needed with --scan, as with --scan, that behaviour
is the default.

Signed-off-by: Neil Brown <neilb@suse.de>
 2006-05-19 04:53:22 +00:00
Neil Brown
008e1100b8 Add a copy of /proc/mdstat to the mail message send by mdadm --monitor. 
Signed-off-by: Neil Brown <neilb@suse.de>
 2006-05-19 03:58:45 +00:00
Neil Brown
8131b493df When updating uuid, update the bitmap as well - external bitmaps 
Signed-off-by: Neil Brown <neilb@suse.de>
 2006-05-16 06:05:27 +00:00
Neil Brown
120230a4fc Detail checks if array has been started or not and includes that in report. 
Signed-off-by: Neil Brown <neilb@suse.de>
 2006-05-15 06:03:05 +00:00
Neil Brown
5bbb48424b Allow default creation info to to be stored in mdadm.conf 
Default owner, group, mode and 'auto' flag can be given in a 'CREATE' line.

Signed-off-by: Neil Brown <neilb@suse.de>
 2006-05-15 06:02:41 +00:00
Neil Brown
1bfdbe01ff Limit size of bitmap to 2million chunks. 
When creating a file bitmap, choose a default size that
results in fewer than 2^21 chunks.  Without this kmalloc
failure in the kernel becomes likely.

Signed-off-by: Neil Brown <neilb@suse.de>
 2006-05-15 04:21:33 +00:00
Neil Brown
b578481ca3 Support new offset layout for raid10 
Requires 2.6.18.

Signed-off-by: Neil Brown <neilb@suse.de>
 2006-05-15 02:46:54 +00:00
Neil Brown
a99d6b669c Assume "DEVICE partitions" if no DEVICE line present. 
This means the output of "mdadm -Es" can be used as a complete
mdadm.conf file .... if you really want to do that.

Signed-off-by: Neil Brown <neilb@suse.de>
 2006-05-15 01:58:47 +00:00
Neil Brown
d1732eebac Arrange that SparesMissing events generate an email too. 
Signed-off-by: Neil Brown <neilb@suse.de>
 2006-05-15 01:35:47 +00:00
Neil Brown
4948b8f72e Support 'mailfrom' line in mdadm.conf so the From: line in alert emails can be explicitly set. 
Signed-off-by: Neil Brown <neilb@suse.de>
 2006-05-15 01:27:04 +00:00
Neil Brown
ac957baa97 Fix alignment problem in version-1 superblocks. 
NOTE: This is an incompatable change affecting raid5 reshape.
If you want to reshape a raid5 using version-1 superblocks,
use 2.6.17-rc2 or later, and mdadm-2.4.1 or later.

Signed-off-by: Neil Brown <neilb@suse.de>
 2006-04-07 04:34:45 +00:00
Neil Brown
addc80c467 Updates to md.4 
Particularly restiping and sysfs, but a few other bits too.

Signed-off-by: Neil Brown <neilb@suse.de>
 2006-03-30 04:17:51 +00:00
Neil Brown
7ef02d0143 Support 'bitmap=' in mdadm.conf for auto-assembling arrays with write-intent bitmaps in separate files. 
Signed-off-by: Neil Brown <neilb@suse.de>
 2006-03-29 02:57:48 +00:00
Neil Brown
2ae555c3d9 Man page tidyup. 
mdadm.8 improved (I hope).
Rearrange some option documentation and add --backup-file, and other
general improvements.

Signed-off-by: Neil Brown <neilb@suse.de>
 2006-03-29 02:45:06 +00:00
Neil Brown
d7514c5884 Changelog Updates 
Signed-off-by: Neil Brown <neilb@suse.de>
 2006-03-28 23:27:05 +00:00
Neil Brown
06b0d78675 Allow resize to backup to a file. 
To support resizing an array without a spare, mdadm now understands
  --backup-file=
which should point to a file for storing a backup of critical data.
This can be given to --grow which will create the file, or
--assemble which will restore from the file if needed.

Signed-off-by: Neil Brown <neilb@suse.de>
 2006-03-27 06:38:46 +00:00
Neil Brown
313176636e Remove ident arg from getinfo_super; 
Add a 'name' field to 'info' to compensate.

Signed-off-by: Neil Brown <neilb@suse.de>
 2006-03-27 04:34:38 +00:00
Neil Brown
2efedc7bd2 Put a 'canary' block in front of the backup 
.. so corruptio can be detected.

Signed-off-by: Neil Brown <neilb@suse.de>
 2006-03-27 04:14:43 +00:00
Neil Brown
1e0d770c0f Release some compile fixes. 
Signed-off-by: Neil Brown <neilb@suse.de>
 2006-02-06 04:18:12 +00:00
Neil Brown
a92f6acc43 Update ChangeLog and release 2.3 
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Neil Brown <neilb@suse.de>
 2006-02-02 05:17:24 +00:00
Neil Brown
ce4fafd637 Allow /etc/mdadm/mdadm.conf as an alternate to /etc/mdadm.conf 
This provide compatability with Debian.

Signed-off-by: Neil Brown <neilb@suse.de>
 2005-12-09 05:01:22 +00:00
Neil Brown
f3c7fda661 Release 2.2 
Signed-off-by: Neil Brown <neilb@suse.de>
 2005-12-09 04:55:02 +00:00
Neil Brown
0ff1a18562 Guides on how to use mdadm with initramfs 
Signed-off-by: Neil Brown <neilb@suse.de>
 2005-12-05 05:56:42 +00:00
Neil Brown
7d99579f6a Support updating of uuid during --assemble. 
Signed-off-by: Neil Brown <neilb@suse.de>
 2005-12-05 05:56:33 +00:00
Neil Brown
ee04451c56 Allow event counters to be off by one 
.. even without --force

Signed-off-by: Neil Brown <neilb@suse.de>
 2005-12-05 05:56:18 +00:00
Neil Brown
773135f5bd syslog support for monitor mode 
From: ross@jose.lug.udel.edu (Ross Vandegrift)

Hi Neil,

While adding the text message mode, I saw a FIXME asking for syslog
support in monitor mode.

This patch adds exactly that.
Signed-off-by: Neil Brown <neilb@suse.de>
 2005-12-05 05:55:56 +00:00
Neil Brown
fe394e5e42 Report which device failed in a Fail message. 
Signed-off-by: Neil Brown <neilb@suse.de>
 2005-12-05 05:54:59 +00:00
Neil Brown
47d79ef8e5 Support --assume-clean for --create 
Signed-off-by: Neil Brown <neilb@suse.de>
 2005-12-05 05:54:48 +00:00
Neil Brown
c06487ce20 Improve option parsing 
stuff

====Do Not Remove====
Status: ok
Signed-off-by: Neil Brown <neilb@suse.de>
 2005-12-05 05:54:33 +00:00
Neil Brown
8b0dabea07 Allow scanning of devices listed in /proc/partitions independant of /dev 
If a device found in /proc/partitions isn't listed in /dev, then
mknod a temporary name and open that.

Signed-off-by: Neil Brown <neilb@suse.de>
 2005-12-05 05:52:50 +00:00
Neil Brown
d9d4e4698f Remvoe blank line from '--examine --brief' output. 
Signed-off-by: Neil Brown <neilb@suse.de>
 2005-11-22 03:38:44 +00:00
Neil Brown
f9c25f1d2a Support bitmaps with raid10 
And a couple of other little things

Signed-off-by: Neil Brown <neilb@suse.de>
 2005-11-22 03:37:14 +00:00
Neil Brown
f6d75de8e0 Fix remaining problems with hot-add bitmap to version-1 superblock 
Also some more tests - r5 and r6 bitmaps

Signed-off-by: Neil Brown <neilb@suse.de>
 2005-09-12 05:24:10 +00:00
Neil Brown
308e1801ba Fix assembling of array with spares when verion-1 superblock is used. 
As spared don't have a position in the raid array with verion-1 superblocks,
we need to handle them a bit differently.

Signed-off-by: Neil Brown <neilb@suse.de>
 2005-09-12 05:23:11 +00:00
Neil Brown
265e0f1731 Fix assembling of raid10 in the face of missing devices. 
We now check if enough devices are present properly, so
--force can be used to good effect.

Signed-off-by: Neil Brown <neilb@suse.de>
 2005-09-12 04:57:52 +00:00
Neil Brown
a9d69660a3 Lots of little manpage updates. 
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
 2005-08-25 05:11:29 +00:00
Neil Brown
947fd4ddb5 Support nameing of version-1 arrays. 
--name is recognised in --create and --assemble
name= is recognised in config file.

Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
 2005-08-09 05:23:20 +00:00
Neil Brown
dfd4d8ee42 Add write-behind support 
Currently this includes
  --write-behind  to set level of write-behind supported
  --write-mostly  to flag devices as write-mostly.

Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
 2005-08-09 04:25:47 +00:00
Neil Brown
586ed40547 Support fixing of byte-swapped superblocks. 
Good for moving between little-endian and big-endian.
Still needs documentation.

Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
 2005-08-09 04:25:27 +00:00
Neil Brown
5e7519fa84 Add test suite and release 
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
 2005-08-04 04:56:22 +00:00
Neil Brown
f277ce3671 Assorted Fixes for multiple bugs. 
Assemble would crash, or just not work.
A few other problem found by a new test-suite.

Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
 2005-08-04 04:41:12 +00:00
Neil Brown
fe6729fa8c Fix compilation with tinyc 
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
 2005-06-14 06:43:00 +00:00
Neil Brown
ccf44f3272 Add man page for mdassemble 
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
 2005-06-14 06:42:25 +00:00
Neil Brown
8f23b0b3fa Replace sprintf calls with snprintf 
To quiet diet-libc

Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
 2005-06-14 06:42:13 +00:00
Neil Brown
bd72c2b2b8 Allow --force flag with --grow 
.. so that you can 'grow' a raid1 to only one device.

Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
 2005-06-14 06:34:29 +00:00
Neil Brown
22892d5632 Don't list device= in --examine --scan output. 
As the device list isn't stable, recording it should be avoided.
The device= list is still available if --verbose is given (once).

Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
 2005-06-14 06:34:23 +00:00
Neil Brown
b79713f8c1 When finding a /dev name for a device, prefer shorter names 
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
 2005-06-14 06:33:56 +00:00
Neil Brown
60f9166418 Fix silly example 
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
 2005-06-14 06:33:45 +00:00
Neil Brown
d5d3721ef4 Fix some rounding errors in human_size and generally clean up the code 
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
 2005-06-14 06:33:30 +00:00
Neil Brown
5a6d1148cc Fix parsing of /dev/md/N in is_standard 
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
 2005-06-14 06:33:24 +00:00
Neil Brown
a46f4061d3 Fix a few typecasts 
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
 2005-06-14 06:33:16 +00:00
Neil Brown
1337546dc1 Allow --auto to still be meaningful when --scan is given 
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
 2005-06-14 06:33:02 +00:00
Neil Brown
891d299451 Fix typo in --grow --help - don't claim '-F' 
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
 2005-06-14 06:32:42 +00:00
Neil Brown
3fa06e9d37 Make type of uuid always int[], rather than sometimes __u32[] 
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
 2005-06-14 06:32:34 +00:00
Neil Brown
91f068bf5c Retry --stop --scan until all stoppable devices have been stopped 
This is needed to reliably stop stacked arrays

Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
 2005-06-14 06:32:18 +00:00
Neil Brown
b8f72a621b Document SparesMissing and DeviceDisappeared/WrongLevel 
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
 2005-06-14 06:31:34 +00:00
Neil Brown
779043efce Document --size=max option for --grow 
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
 2005-06-14 06:31:19 +00:00
Neil Brown
0bbc98b563 Avoid using lstat, it isn't right. 
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
 2005-06-14 06:30:03 +00:00
Neil Brown
e793c2e583 2.0-devel-1 release 
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
 2005-06-07 23:03:47 +00:00
Neil Brown
a3fd117c7a Change "dirty" status to "active" 
Description...

Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
 2005-06-07 23:16:36 +00:00
Neil Brown
e5811618d1 Release 1.11.0 
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
 2005-05-03 23:42:53 +00:00
Neil Brown
0fbf459d0d Fix embarassing bug in 1.10.0 which broke --add 
Use a different variable to old result of open

Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
 2005-04-11 00:20:03 +00:00
Neil Brown
b2b46bfc89 Call 'flush' after writing a superblock to disk. 
Just in case...

Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
 2005-04-04 06:05:07 +00:00
Neil Brown
d7eaf49f65 Use O_EXCL when opening component devices to be assembled into an array 
In 2.6, this will fail if the device is already in use, so we can detect this error
more easily.

Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
 2005-04-04 06:02:49 +00:00
Neil Brown
0320ea4565 Change handling of devices names in args 
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
 2005-04-04 05:18:57 +00:00
Neil Brown
e6b64cd05c Improve error message when mode is set twice. 
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
 2005-04-04 05:16:29 +00:00
Neil Brown
6f7e85bd16 Correct error message printed when the 'chosen_drive' cannot be added. 
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
 2005-04-04 05:16:26 +00:00
Neil Brown
d17c1f8cbd Reverse order of arrays when --stop --scan 
so that stacked arrays are stopped properly.
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
 2005-04-04 05:16:24 +00:00
Neil Brown
057bd352c2 Reread partitions file for each array being assembled. 
This makes assembling arrays from other arrays work better.
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
 2005-04-04 05:16:22 +00:00
Neil Brown
43fc16763d Add some missing closes of mdfd 
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
 2005-04-04 05:16:18 +00:00
Neil Brown
0df46c2ad8 Change MAJOR() etc to major() etc 
This allows for larger device number if glibc supports
it (requires 2.3.3).
Also fail before creating larger device number if glibc
support isn't present.

Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
 2005-04-04 05:16:13 +00:00