This set of tests verifies that it is possible to add an internal
bitmap to an existing array, and that the device can be written to
after the bitmap is added. This should catch cases such as the one
fixed by 4474ca42e2577563a919fd3ed782e2ec55bf11a2
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: NeilBrown <neilb@suse.de>
b8e91a32cd was applied incorrectly.
It changed the name of the variable set when specifying --no-error,
without changing the places checking it.
Set it back as it was to make --no-error work correctly again.
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: NeilBrown <neilb@suse.de>
We do not check the return value of sysfs_get_ll() now. It is wrong.
If reading of the sysfs "degraded" key does not succeed,
the "new_degraded" variable will not be initiated
and accidentally it can have the value of "degraded" variable.
In that case the change of degradation will not be checked.
It happens if mdadm is compiled with gcc's "-fstack-protector" option
when one tries to stop a volume under reshape (e.g. OLCE).
Reshape seems to be finished then (metadata is in normal/clean state)
but it is not finished, it is broken and data are corrupted.
Now we always check the return value of sysfs_get_ll().
Even if reading of the sysfs "degraded" key does not succeed
(rv == -1) the change of degradation will be checked.
Signed-off-by: Lukasz Dorau <lukasz.dorau@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
In function write_init_super1():
If "rv = store_super1(st, di->fd)" return error and the di is the last.
Then the di = NULL && rv > 0, so exec:
if (rv)
fprintf(stderr, Name ": Failed to write metadata to%s\n",
di->devname);
will be segmentation fault.
Signed-off-by: majianpeng <majianpeng@gmail.com>
Signed-off-by: NeilBrown <neilb@suse.de>
This allows the test suite to run to completion even if one test
fails.
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: NeilBrown <neilb@suse.de>
--logdir= specifies where to save, if different from default, and
--save-logs tells test to save all log files.
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: NeilBrown <neilb@suse.de>
When running the mdadm testsuite on ppc64 with a 64kB page size I
see a couple of failures because the chunk size is smaller than a
page.
Bump the chunksize to 64kB to fix these failures.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: NeilBrown <neilb@suse.de>
When an array is assembled incrementally, systemd might see it
before it is ready, try to mount it, fail, and give up.
Result is that array doesn't get mounted.
If we ask udev to tell systemd that it isn't ready yet in this
case, systemd waits until it is ready, and all are happy.
Signed-off-by: NeilBrown <neilb@suse.de>
This adds more generic command line argument parsing to the test
script. It also introduces a couple of new options, while preserving
the old '<prefix>' and 'setup' arguments. The new options are
--disable-multipath and --tests=<test1>,<test2>,...
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: NeilBrown <neilb@suse.de>
Some systems do not ship the md multipath module. If not available
simply skip any multipath tests.
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: NeilBrown <neilb@suse.de>
A recent change means that devices smaller than
1Gig no longer have 1Meg wasted at the start.
So we must adjust some sizes again.
Signed-off-by: NeilBrown <neilb@suse.de>
We do not check if requested size of expansion is larger than maximum
available size now. If it is larger the output message is a bit misleading,
for example:
mdadm: Cannot set size on array members.
mdadm: Cannot set device size for /dev/md/vol: Device or resource busy
Now we check if requested size of expansion is larger than maximum
available size and the appropriate output message was added.
Signed-off-by: Lukasz Dorau <lukasz.dorau@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
When we are looking for a candidate disk to bump up the event count,
we consider only disks that have recovery_start==MaxSector.
However, after we find one such disk, we agree to accept more disks
having same event count, regardless of their recovery_start.
Be consistent and don't accept disks with a valid recovery_start at all.
Signed-off-by: NeilBrown <neilb@suse.de>
This is most likely to happen if the array has been stopped,
in which case the error is pointless.
Reported-by: Patrik Horník <patrik@dsl.sk>
Signed-off-by: NeilBrown <neilb@suse.de>
I think there was some confusion about what --layout=preserve
actually means, but in any case it wasn't doing what the man
page says it should.
So add some case analysis and make sure it does the right thing,
or complains if it cannot.
Reported-by: Patrik Horník <patrik@dsl.sk>
Signed-off-by: NeilBrown <neilb@suse.de>
While it is nice to set a high data_offset to leave plenty of head
room it is much more important to leave enough space to allow
of the data of the array.
So after we check that sb->size is still available, only reduce the
'reserved', don't increase it.
This fixes a bug where --adding a spare fails because it does not have
enough space in it.
Reported-by: nowhere <nowhere@hakkenden.ath.cx>
Signed-off-by: NeilBrown <neilb@suse.de>
Use closedir() on dirp from opendir() to avoid resource leaking.
Acked-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: NeilBrown <neilb@suse.de>
This should be harmless, but lets be consistent and not try to close a
negative file descripter.
Acked-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: NeilBrown <neilb@suse.de>
With different amounts of space being reserved for metadata
it is hard for the script to know how big the array should be.
So allow a bit of slack.
Signed-off-by: NeilBrown <neilb@suse.de>
Now that /run seems to be a good standard, make that
the default for storing various run-time files, rather than
/var/run or /dev/.mdadm.
Signed-off-by: NeilBrown <neilb@suse.de>
Spare superblock doesn't depend on other spares in container.
When loading container metadata thunderdome
may pick a small disk for the champion. This will result in incorrect
interpretation of sizes of other disks in container when joint superblock
is returned. If any disk in container has the 2TB attribute set, the result
must have it set too.
Signed-off-by: Anna Czarnowska <anna.czarnowska@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
mdinfo->bitmap_offset is a signed long and needs to be treated as
such when passed to the kernel.
This resolves the problem with adding internal bitmaps to a 1.0 array.
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: NeilBrown <neilb@suse.de>
fbdef49811 incorrectly tried to fix sign
extension of the bitmap offset. However mdinfo->bitmap_offset is a u32
and needs to be converted to a 32 bit signed integer before the sign
extension.
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: NeilBrown <neilb@suse.de>
Setting "sync_action" to "idle" while extending size of raid0 array
is racy and sometimes fails.
"sync_action" should be set to "frozen" instead.
Signed-off-by: Lukasz Dorau <lukasz.dorau@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
If system is rebooted during rebuild, md driver changes sync_action
from 'recover' to 'idle' (during stopping all md devices).
If mdmon is still running then, it detects the change of sync_action state,
finishes rebuild and writes metadata to disks. After computer's restart
the RAID volume is in Normal state in OROM and rebuild seems to be finished.
After system's start-up RAID volume is in auto-read-only state
and metadata is in Dirty state. Rebuild seems to be finished but it is not.
Data is inconsistent (out-of-sync).
When mdmon detects the change of sync_action from 'recover' to 'idle',
it has to check if rebuild is really finished. Appropriate test was added.
Now mdmon examines each volume's member if it is being rebuilt.
Signed-off-by: Lukasz Dorau <lukasz.dorau@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
The restriction that --add was not allowed on a device which
looked like a recent member of an array was overly harsh.
The real requirement was to avoid using --add when the array had
failed, and the device being added might contain necessary
information which can only be incorporated by stopping and
re-assembling with --force.
So change the test to reflect the need.
Reported-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: NeilBrown <neilb@suse.de>
Both --detail and --monitor can report the names of member
devices on an array, and do so by searching /dev and finding
the shortest name that matches.
If
--prefer=foo
is given, they will instead prefer a name that contain /foo/.
So
mdadm --detail /dev/md0 --prefer=by-path
will list the component devices via their /dev/disk/by-path/xxx
names.
Signed-off-by: NeilBrown <neilb@suse.de>
When we can for devices using GET_DISK_INFO we currently
limit to 1024. But some arrays can have more than this.
So raise it to 4096 and make the constant a #define.
Signed-off-by: NeilBrown <neilb@suse.de>
When mdadm is compiled using e.g. 'everything' option, mdassemble
compilation is broken.
Change code to enable mdassemble compilation.
Signed-off-by: Lukasz Dorau <lukasz.dorau@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
When arrays using external metadata are assembled, and one of array
in container is under reshape, second array will remain in read only
state (not auto read only). It is caused by array fact that array
is frozen and mdmon doesn't has opportunity to switch array in r/w mode.
Freezing not reshaped array just after it is being assembled allows mdmon
to enable it for writing.
Signed-off-by: Adam Kwolek <adam.kwolek@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
Size change is possible as standalone change only. To make sure size change
is not requested pass '-1' as size parameter.
Signed-off-by: Adam Kwolek <adam.kwolek@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
Put currently existing code for alignment correction in to function
imsm_component_size_aligment_check() and use it for align component size
to chunk size during volume size expansion operation.
Signed-off-by: Adam Kwolek <adam.kwolek@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
Add support for setting max size for size change operation using
imsm_get_free_size() function for computing maximum available space.
Signed-off-by: Adam Kwolek <adam.kwolek@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
Add function imsm_imsm_get_free_size() using part of code from function
reserve_space().
Signed-off-by: Adam Kwolek <adam.kwolek@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
Some setting size error cases were not detected.
When error occurs, stop setting new size action and rollback metadata
changes.
Signed-off-by: Adam Kwolek <adam.kwolek@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
When reshape_super() updates metadata with new size, due to some metadata
limitations saved value can be different than requested value by user.
Update size (read it from metadata) for setting it in md.
Signed-off-by: Adam Kwolek <adam.kwolek@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
For raid0, takeover operation is required for size change.
Add takeover to degraded raid4 before size change and back to raid0 after.
Array information has to be read again from md after takeover.
Signed-off-by: Adam Kwolek <adam.kwolek@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
Add metadata rollback specific code for imsm.
Let reshape_super() ability to differentiate metadata apply and rollback
actions.
Signed-off-by: Adam Kwolek <adam.kwolek@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
Function reshape_super() guards metadata changes.
It is used to apply changes rollback in error case also.
As change (apply and rollback) can be not bi-directional reshape_super()
has to know if current action is metadata change that should be guarded
using metadata restrictions, or this is metadata rollback change
executed due to error occurrence.
In second case change has to be unconditional.
Signed-off-by: Adam Kwolek <adam.kwolek@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
For external metatdata ioctl doesn't set new size. Set new size using sysfs.
Put code for size change in to function to re-use the same code as during
On-line Capacity Expansion
Signed-off-by: Adam Kwolek <adam.kwolek@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
Jes Sorensen
Lukasz Dorau
majianpeng
Anton Blanchard
NeilBrown
Alexander Lyakas
Czarnowska, Anna
Adam Kwolek