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Operating system vendors are customizing mdmonitor service beacause
the default form is not satifying for them (expect SUSE). As a result,
support is complicated (maintainers have to check the system) and man page
is not detailed.
I propose to abandon custom configuration files via sysconfig and keep
it inside mdadm.conf only.
Detailed comment in service for OSV maintainers is added to help with
transition.
Signed-off-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>
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scsi_get_serial() function is used only by super-intel.c. Move function
to this file and remove sg_io.c file.
Signed-off-by: Kinga Stefaniuk <kinga.stefaniuk@intel.com>
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Rename Monitor.c to mdmonitor.c to avoid errors during compilation on
case-insensitive filesystems.
Signed-off-by: Kinga Stefaniuk <kinga.stefaniuk@intel.com>
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Instead of "remove", "faulty" was called.
Fixes: d95edceb362a ("sysfs: add function for writing to sysfs fd")
Signed-off-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>
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Documentation/md has moved to Documentation/driver-api/md.
Update and and rework sentence.
Remove refference to not supported kernel close to updated text.
Signed-off-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>
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Move memory declaration helpers outside mdadm.h. They seems to be
useful so keep them but include separatelly. Rework them to not reffer
to Name[] declared internally in mdadm/mdmon.
This is first step to start decomplexing mdadm.h.
Signed-off-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>
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Commit 0a07dea8d3b78 ("Mdmonitor: Refactor check_one_sharer() for
better error handling") introduced an issue, if directory /run/mdadm
is missing, monitor fails to start. Move the directory creation
earlier to ensure it is always created.
Signed-off-by: Anna Sztukowska <anna.sztukowska@intel.com>
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Proposed function sysfs_wrte_descriptor() unifies error handling for
write() done to sysfs files. Main purpose is to use it with MD sysfs
file but it can be used elsewhere.
No functional changes.
Signed-off-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>
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Rename it to Incremental_remove for better readability.
No functional changes.
Signed-off-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>
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Updating all of the packages every time is not needed and costs a lot of
resources. Install only necessary packages and their dependencies.
Signed-off-by: Kinga Stefaniuk <kinga.stefaniuk@intel.com>
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INSTALL is not needed because it added to README.md
dev/null was created accidentally.
Remove them.
Signed-off-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>
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Sometimes it reports:
mdadm: failed to stop array /dev/md0: Success
It's the reason the errno is reset. So record errno during the loop.
Signed-off-by: Xiao Ni <xni@redhat.com>
Signed-off-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>
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09imsm-assemble can run successfully.
Signed-off-by: Xiao Ni <xni@redhat.com>
Signed-off-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>
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Init dir to avoid test failure.
Signed-off-by: Xiao Ni <xni@redhat.com>
Signed-off-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>
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07reshape5intr can run successfully now.
Signed-off-by: Xiao Ni <xni@redhat.com>
Signed-off-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>
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There are five changes to this case.
1. remove testdev check. It can't work anymore and check if it's a
block device directly.
2. It can't change level and chunk size at the same time
3. Sleep more than 10s before check wait.
The test devices are small. Sometimes it can finish so quickly once
the reshape just starts. mdadm will be stuck before it waits reshape
to start. So the sync speed is limited. And it restores the sync speed
when it waits reshape to finish. It's good for case without backup
file.
It uses systemd service mdadm-grow-continue to monitor reshape
progress when specifying backup file. If reshape finishes so quickly
before it starts monitoring reshape progress, the daemon will be stuck
too. Because reshape_progress is 0 which means the reshape hasn't been
started. So give more time to let service can get right information
from kernel space.
But before getting these information. It needs to suspend array. At
the same time the reshape is running. The kernel reshape daemon will
update metadata 10s. So it needs to limit the sync speed more than 10s
before restoring sync speed. Then systemd service can suspend array
and start monitoring reshape progress.
4. Wait until mdadm-grow-continue service exits
mdadm --wait doesn't wait systemd service. For the case that needs
backup file, systemd service deletes the backup file after reshape
finishes. In this test case, it runs next case when reshape finishes.
And it fails because it can't create backup file because the backup
file exits.
5. Don't reshape from raid5 to raid1. It can't work now.
Signed-off-by: Xiao Ni <xni@redhat.com>
Signed-off-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>
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check wait waits reshape finishes, but it doesn't wait level changes.
The level change happens in a forked child progress. So we need to
search the child progress and monitor it.
Signed-off-by: Xiao Ni <xni@redhat.com>
Signed-off-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>
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It needs to remove disks when reshaping from raid456 to raid0. In
kernel space it sets MD_RECOVERY_RUNNING. And it will fail to change
level. So wait sometime to let md thread to clear this flag.
This is found by test case 05r6tor0.
Signed-off-by: Xiao Ni <xni@redhat.com>
Signed-off-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>
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It passes 'array' as devname in Grow_continue. So it fails to
open raid device. Use mdinfo to open raid device.
Signed-off-by: Xiao Ni <xni@redhat.com>
Signed-off-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>
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It tries to update data offset when kicking off reshape. If it can't
change data offset, it needs to use child_monitor to monitor reshape
progress and do back up job. And it needs to update reshape_progress
to need_back when reshape finishes. If not, it will be in a infinite
loop.
Signed-off-by: Xiao Ni <xni@redhat.com>
Signed-off-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>
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Reshape needs to specify a backup file when it can't update data offset
of member disks. For this situation, first, it starts reshape and then
it kicks off mdadm-grow-continue service which does backup job and
monitors the reshape process. The service is a new process, so it needs
to read superblock from member disks to get information.
But in the first step, it doesn't update new level in superblock. So
it can't change level after reshape finishes, because the new level is
not right. So records the new level in the first step.
Signed-off-by: Xiao Ni <xni@redhat.com>
Signed-off-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>
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Add compilation process and dependencies to README.md.
Signed-off-by: Anna Sztukowska <anna.sztukowska@intel.com>
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Fix divide_by_zero issue reported by SAST analysis in Detail.c when
calling enough() from util.c. Also add missing spaces for better code
readability.
Signed-off-by: Anna Sztukowska <anna.sztukowska@intel.com>
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There are no reasons to keep this interface different than others.
Allow to use devnode but keep old way for backward compatibility.
Method is added to verify that only devnode or kernel name is used.
Signed-off-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>
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Checkpatch issued a warning due to missing function argument names.
Add the names to resolve the warnings.
Signed-off-by: Anna Sztukowska <anna.sztukowska@intel.com>
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Fix memory leaks in Examine() reported by SAST analysis. Implement a
method to traverse and free all the nodes of the doubly linked list.
Replace for loop with while loop in order to improve redability of the
code and free allocated memory correctly.
Signed-off-by: Anna Sztukowska <anna.sztukowska@intel.com>
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If reshape (eg. chunksize migration) is gracefully stopped via SIGTERM
the checkpoint is not saved and reshape cannot be resumed due to "data
being present in copy area". This is because UNIT_SRC_NORMAL isn't set
if SIGTERM occurred.
Move SIGTERM handling at the end of the loop to allow saving checkpoint
(and state) so reshapes can be properly resumed.
Signed-off-by: Mateusz Kusiak <mateusz.kusiak@intel.com>
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Updated the maximum device number in md device names from 127 to 1024.
The previous limit was causing issues in the automation framework.
This change ensures backward compatibility and allows for future
scalability.
Fixes: 25aa7329141c ("mdadm: numbered names verification")
Signed-off-by: Shminderjit Singh <shminderjit.singh@oracle.com>
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Add it to avoid excluding. It has some value for users even if it is
always true for nvme virtual orom.
Rework detail-platform printing code, move printing 3rd party nvmes
to print_imsm_capability (as it should be), but keep it meaningful
only for nvme controllers (NVME and VMD hba types). Pass whole
orom_entry instead of orom there.
Squash code responsible for printing NVME and VMD hbas.
Signed-off-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>
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Intel x8 drives are not supported, remove unnecessary warning and
refactor add_to_super_imsm code.
Signed-off-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>
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The counts of active, working, failed and spare devices were not
printed when the number was zero.
Refactor the code to always display the counts of all device types,
regardless of their number. This way, it is more reliable for users.
Signed-off-by: Anna Sztukowska <anna.sztukowska@intel.com>
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dprintf() call in path_attached_to_hba() is too noisy. Remove the call
and refactor the function. Remove obsolete env variables check.
Signed-off-by: Mateusz Kusiak <mateusz.kusiak@intel.com>
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Enumeration of VMD child devices is started early, kernel is not waiting
for VMD enumeration to finish. It causes that:
/sys/bus/pci/drivers/vmd/{dev}/domain/device link might be not yet ready.
With PCI gen5 devices we can observe that mdadm is failing to start IMSM
raid arrays because of that. In that case, it needs to find bus path
manually.
Look for bus device in VMD driver directory if realpath() failed with
ENOENT.
Signed-off-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>
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OROM - IMSM hardware capabilities
EFI vars depends on userspace, they need to be mounted to be accessible.
Sporadic problems have been observed with availability at an early
assemble stage. It is not possible to fully synchronize EFI vars mounts
with udev rules processing.
For the reason above, read of IMSM OROM from ACPI tables as secondary
option is added. This method will be used for SATA and VMD family
controllers.
ACPI tables are generated by sysfs, earlier in the boot process, before
the stage of RAID assembly. The way of loading OROM via EFI vars is
retained, ACPI tables will be a backup way.
Two paths will be maintained, because IMSM hardware capabilities are
necessary for RAID assembly during booting, so access to them must be
provided.
Signed-off-by: Blazej Kucman <blazej.kucman@intel.com>
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Fixing the following coding errors the coverity tools found:
* Event fixed_size_dest: You might overrun the 32-character
fixed-size string "mdi->sys_name" by copying "devnm" without
checking the length
* Event fixed_size_dest: You might overrun the 50-character
fixed-size string "sra->text_version" by copying "buf + 9"
without checking the length.
* Event string_overflow: You might overrun the 32-character
destination string "dev->sys_name" by writing 256 characters
from "de->d_name".
Signed-off-by: Nigel Croxon <ncroxon@redhat.com>
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Fixing the following coding errors the coverity tools found:
* Event check_return: Calling "open" without checking return value
* Event check_return: Calling "lseek(fd, sector_size, 0)" without
checking return value.
* Event leaked_handle: Handle variable "fd" going out of scope leaks
the handle.
* Event leaked_storage: Variable "dir" going out of scope leaks the
storage it points to.
* Event fixed_size_dest: You might overrun the 32-character fixed-size
string "st->devnm" by copying "_devnm" without checking the length.
* Event fixed_size_dest: You might overrun the 32-character fixed-size
string "container" by copying "dev" without checking the length.
Signed-off-by: Nigel Croxon <ncroxon@redhat.com>
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There is a wrong word in the md(4) man page, this commit corrects it.
Signed-off-by: Nicolas Roeser <nicolas.roeser@alumni.uni-ulm.de>
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Move ent = ent->next; to while. It was outside the loop so if there
are more than 2 elements and we are looking for 3rd element it causes
infinite loop..
Fix el->next zeroing. It causes segfault in mdstat_free(). Theses
issues were not visible in my testing because I had only 2 MD devices.
Fixes: 4b3644ab4ce6 ("mdstat: Rework mdstat external arrays handling")
Signed-off-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>
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Component_size couldn't be set using ioctl when new drive size is big
(e.g. 5TB). Command value is bigger than 32 bits and error is reported
- it is known ioctl limitation. Remove updating array properties using
ioctl, use sysfs instead. Sysfs was introduced in 3.10, so now it is old
enough to be safely used. Array_size in sysfs should be set for every
size change for external metadata, when grow is performed without
errors.
Signed-off-by: Kinga Stefaniuk <kinga.stefaniuk@intel.com>
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Add new released gcc to compilation test during GH action.
Change runner to Ubuntu 24.04 which supports gcc versions up to 14.
Previously ubuntu-latest was used (22.04) which didn't support gcc 13
and 14. Add verification if correct gcc was installed during test.
Signed-off-by: Kinga Stefaniuk <kinga.stefaniuk@intel.com>
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Represent migr_state with the define, which helps in code readability.
Add new values for Normal and Migration states.
Signed-off-by: Kinga Stefaniuk <kinga.stefaniuk@intel.com>
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Fix compilation error:
super-intel.c: In function ‘end_migration’:
super-intel.c:4360:29: error: writing 2 bytes into a region
of size 0 [-Werror=stringop-overflow=]
4360 | dev->vol.migr_state = 0;
| ~~~~~~~~~~~~~~~~~~~~^~~
cc1: note: destination object is likely at address zero
cc1: all warnings being treated as errors
make: *** [Makefile:232: super-intel.o] Error 1
reported, when GCC 14 is used. Return when dev is NULL, to avoid it.
Signed-off-by: Kinga Stefaniuk <kinga.stefaniuk@intel.com>
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Fix check_return issue in load_gpt() reported by SAST analysis in
super-gpt.c.
Signed-off-by: Anna Sztukowska <anna.sztukowska@intel.com>
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Refactor Write_rules() in policy.c to eliminate check_return issue found
by SAST analysis. Create udev rules file directly using rule_name
instead of creating temporary file and renaming it.
Signed-off-by: Anna Sztukowska <anna.sztukowska@intel.com>
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Fix resource leak problems in super1.c
Signed-off-by: Xiao Ni <xni@redhat.com>
Signed-off-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>
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Fix evaluation order problems in super1.c
Signed-off-by: Xiao Ni <xni@redhat.com>
Signed-off-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>
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optimal_space is at most 2046. So space can't be larger than UINT16_MAX.
Signed-off-by: Xiao Ni <xni@redhat.com>
Signed-off-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>
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It needs to check return value when functions return value.
Signed-off-by: Xiao Ni <xni@redhat.com>
Signed-off-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>
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Fix coverity problems in super0. It needs to check return value when
functions return value. And fix EVALUATION_ORDER problems in super0.c
Signed-off-by: Xiao Ni <xni@redhat.com>
Signed-off-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>
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It needs to check return values when functions return value.
Signed-off-by: Xiao Ni <xni@redhat.com>
Signed-off-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>
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