"zpool online -e" doesn't work without running export + partprobe +import in the VM #7582
Comments
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Sounds like a Linux kernel behaviour where a live partition can't be resized by re-reading the partition table while said partition is in use. Hence the export. |
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Perhaps, but it works for LVM volumes without unmounting and partprobing, so it should also be achievable with ZFS. |
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I'm currently working on a fix that has As for the way things work now, here's a hacky workaround: Run |
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May 31, 2018
Update bdev_capacity to have wholedisk vdevs query the size of the underlying block device (correcting for the size of the efi parition and partition alignment) and therefore detect expanded space. Correct vdev_get_stats_ex so that the expandsize is aligned to metaslab size and new space is only reported if it is large enough for a new metaslab. Reviewed by: Don Brady <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Reviewed by: George Wilson <[email protected]> Reviewed-by: Matthew Ahrens <[email protected]> Reviewed by: John Wren Kennedy <[email protected]> Signed-off-by: sara hartse <[email protected]> External-issue: LX-165 Closes #7546 Issue #7582
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Jun 13, 2018
While the autoexpand property may seem like a small feature it depends on a significant amount of system infrastructure. Enough of that infrastructure is now in place with a few customizations for Linux the autoexpand property for whole disk configurations can be supported. Autoexpand works as follows; when a block device is resized a change event is generated by udev with the DISK_MEDIA_CHANGE key. The ZED, which is monitoring udev events detects the event for disks (but not partitions) and hands it off to zfs_deliver_dle(). The zfs_deliver_dle() function appends the exected whole disk partition suffix, and if the partition can be matched against a known pool vdev it re-opens it. Re-opening the vdev with trigger a re-reading of the partition table so the maximum possible expansion size can be reported. Next if the property autoexpand is set to "on" a vdev expansion will be attempted. After performing some sanity checks on the disk to verify it's safe to expand the ZFS partition (-part1) it will be expanded an the partition table updated. The partition is then re-opened again to detect the updated size which allows the new capacity to be used. Added PHYS_PATH="/dev/zvol/dataset" to vdev configuration for ZFS volumes. This was required for the test cases which test expansion by layering a new pool on top of ZFS volumes. Enable the zpool_expand_001_pos and /zpool_expand_003_pos test cases which excercise the autoexpand property. Fixed zfs_zevent_wait() signal handling which could result in the ZED spinning when a signal was not handled. Removed vdev_disk_rrpart() functionality which can be abandoned in favour of re-opening the device which trigger a re-read of the partition table as long no other partitions are in use. This will be true as long as we're working with hole disks. As a bonus this allows us to remove to Linux kernel API checks. Signed-off-by: Brian Behlendorf <[email protected]> Issue openzfs#120 Issue openzfs#2437 Issue openzfs#5771 Issue openzfs#7582
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behlendorf
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Jun 13, 2018
While the autoexpand property may seem like a small feature it depends on a significant amount of system infrastructure. Enough of that infrastructure is now in place with a few customizations for Linux the autoexpand property for whole disk configurations can be supported. Autoexpand works as follows; when a block device is resized a change event is generated by udev with the DISK_MEDIA_CHANGE key. The ZED, which is monitoring udev events detects the event for disks (but not partitions) and hands it off to zfs_deliver_dle(). The zfs_deliver_dle() function appends the exected whole disk partition suffix, and if the partition can be matched against a known pool vdev it re-opens it. Re-opening the vdev with trigger a re-reading of the partition table so the maximum possible expansion size can be reported. Next if the property autoexpand is set to "on" a vdev expansion will be attempted. After performing some sanity checks on the disk to verify it's safe to expand the ZFS partition (-part1) it will be expanded an the partition table updated. The partition is then re-opened again to detect the updated size which allows the new capacity to be used. Added PHYS_PATH="/dev/zvol/dataset" to vdev configuration for ZFS volumes. This was required for the test cases which test expansion by layering a new pool on top of ZFS volumes. Enable the zpool_expand_001_pos and /zpool_expand_003_pos test cases which excercise the autoexpand property. Fixed zfs_zevent_wait() signal handling which could result in the ZED spinning when a signal was not handled. Removed vdev_disk_rrpart() functionality which can be abandoned in favour of re-opening the device which trigger a re-read of the partition table as long no other partitions are in use. This will be true as long as we're working with hole disks. As a bonus this allows us to remove to Linux kernel API checks. Signed-off-by: Brian Behlendorf <[email protected]> Issue openzfs#120 Issue openzfs#2437 Issue openzfs#5771 Issue openzfs#7582
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Jun 14, 2018
While the autoexpand property may seem like a small feature it depends on a significant amount of system infrastructure. Enough of that infrastructure is now in place with a few customizations for Linux the autoexpand property for whole disk configurations can be supported. Autoexpand works as follows; when a block device is resized a change event is generated by udev with the DISK_MEDIA_CHANGE key. The ZED, which is monitoring udev events detects the event for disks (but not partitions) and hands it off to zfs_deliver_dle(). The zfs_deliver_dle() function appends the exected whole disk partition suffix, and if the partition can be matched against a known pool vdev it re-opens it. Re-opening the vdev with trigger a re-reading of the partition table so the maximum possible expansion size can be reported. Next if the property autoexpand is set to "on" a vdev expansion will be attempted. After performing some sanity checks on the disk to verify it's safe to expand the ZFS partition (-part1) it will be expanded an the partition table updated. The partition is then re-opened again to detect the updated size which allows the new capacity to be used. Added PHYS_PATH="/dev/zvol/dataset" to vdev configuration for ZFS volumes. This was required for the test cases which test expansion by layering a new pool on top of ZFS volumes. Enable the zpool_expand_001_pos and /zpool_expand_003_pos test cases which excercise the autoexpand property. Fixed zfs_zevent_wait() signal handling which could result in the ZED spinning when a signal was not handled. Removed vdev_disk_rrpart() functionality which can be abandoned in favour of re-opening the device which trigger a re-read of the partition table as long no other partitions are in use. This will be true as long as we're working with hole disks. As a bonus this allows us to remove to Linux kernel API checks. Signed-off-by: Brian Behlendorf <[email protected]> Issue openzfs#120 Issue openzfs#2437 Issue openzfs#5771 Issue openzfs#7582
behlendorf
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Jun 15, 2018
While the autoexpand property may seem like a small feature it depends on a significant amount of system infrastructure. Enough of that infrastructure is now in place with a few customizations for Linux the autoexpand property for whole disk configurations can be supported. Autoexpand works as follows; when a block device is resized a change event is generated by udev with the DISK_MEDIA_CHANGE key. The ZED, which is monitoring udev events detects the event for disks (but not partitions) and hands it off to zfs_deliver_dle(). The zfs_deliver_dle() function appends the exected whole disk partition suffix, and if the partition can be matched against a known pool vdev it re-opens it. Re-opening the vdev with trigger a re-reading of the partition table so the maximum possible expansion size can be reported. Next if the property autoexpand is set to "on" a vdev expansion will be attempted. After performing some sanity checks on the disk to verify it's safe to expand the ZFS partition (-part1) it will be expanded an the partition table updated. The partition is then re-opened again to detect the updated size which allows the new capacity to be used. Added PHYS_PATH="/dev/zvol/dataset" to vdev configuration for ZFS volumes. This was required for the test cases which test expansion by layering a new pool on top of ZFS volumes. Enable the zpool_expand_001_pos and /zpool_expand_003_pos test cases which excercise the autoexpand property. Fixed zfs_zevent_wait() signal handling which could result in the ZED spinning when a signal was not handled. Removed vdev_disk_rrpart() functionality which can be abandoned in favour of re-opening the device which trigger a re-read of the partition table as long no other partitions are in use. This will be true as long as we're working with hole disks. As a bonus this allows us to remove to Linux kernel API checks. Signed-off-by: Brian Behlendorf <[email protected]> Issue openzfs#120 Issue openzfs#2437 Issue openzfs#5771 Issue openzfs#7582
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Jun 20, 2018
While the autoexpand property may seem like a small feature it depends on a significant amount of system infrastructure. Enough of that infrastructure is now in place with a few customizations for Linux the autoexpand property for whole disk configurations can be supported. Autoexpand works as follows; when a block device is resized a change event is generated by udev with the DISK_MEDIA_CHANGE key. The ZED, which is monitoring udev events detects the event for disks (but not partitions) and hands it off to zfs_deliver_dle(). The zfs_deliver_dle() function appends the exected whole disk partition suffix, and if the partition can be matched against a known pool vdev it re-opens it. Re-opening the vdev with trigger a re-reading of the partition table so the maximum possible expansion size can be reported. Next if the property autoexpand is set to "on" a vdev expansion will be attempted. After performing some sanity checks on the disk to verify it's safe to expand the ZFS partition (-part1) it will be expanded an the partition table updated. The partition is then re-opened again to detect the updated size which allows the new capacity to be used. Added PHYS_PATH="/dev/zvol/dataset" to vdev configuration for ZFS volumes. This was required for the test cases which test expansion by layering a new pool on top of ZFS volumes. Enable the zpool_expand_001_pos and /zpool_expand_003_pos test cases which excercise the autoexpand property. Fixed zfs_zevent_wait() signal handling which could result in the ZED spinning when a signal was not handled. Removed vdev_disk_rrpart() functionality which can be abandoned in favour of re-opening the device which trigger a re-read of the partition table as long no other partitions are in use. This will be true as long as we're working with hole disks. As a bonus this allows us to remove to Linux kernel API checks. Signed-off-by: Brian Behlendorf <[email protected]> Issue openzfs#120 Issue openzfs#2437 Issue openzfs#5771 Issue openzfs#7582
behlendorf
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Jun 28, 2018
While the autoexpand property may seem like a small feature it depends on a significant amount of system infrastructure. Enough of that infrastructure is now in place with a few modifications for Linux it can be supported. Auto-expand works as follows; when a block device is modified (re-sized, closed after being open r/w, etc) a change uevent is generated for udev. The ZED, which is monitoring udev events, passes the change event along to zfs_deliver_dle() if the disk or partition contains a zfs_member as identified by blkid. From here the device is matched against all imported pool vdevs using the vdev_guid which was read from the label by blkid. If a match is found the ZED reopens the pool vdev. This re-opening is important because it allows the vdev to be briefly closed so the disk partition table can be re-read. Otherwise, it wouldn't be possible to report thee maximum possible expansion size. Finally, if the property autoexpand=on a vdev expansion will be attempted. After performing some sanity checks on the disk to verify that it is safe to expand, the primary partition (-part1) will be expanded and the partition table updated. The partition is then re-opened (again) to detect the updated size which allows the new capacity to be used. In order to make all of the above possible the following changes were required: * Updated the zpool_expand_001_pos and zpool_expand_003_pos tests. These tests now create a pool which is layered on a loopback, scsi_debug, and file vdev. This allows for testing of non- partitioned block device (loopback), a partition block device (scsi_debug), and a file which does not receive udev change events. This provided for better test coverage, and by removing the layering on ZFS volumes there issues surrounding layering one pool on another are avoided. * zpool_find_vdev_by_physpath() updated to accept a vdev guid. This allows for matching by guid rather than path which is a more reliable way for the ZED to reference a vdev. * Fixed zfs_zevent_wait() signal handling which could result in the ZED spinning when a signal was not handled. * Removed vdev_disk_rrpart() functionality which can be abandoned in favor of kernel provided blkdev_reread_part() function. * Added a rwlock which is held as a writer while a disk is being reopened. This is important to prevent errors from occurring for any configuration related IOs which bypass the SCL_ZIO lock. The zpool_reopen_007_pos.ksh test case was added to verify IO error are never observed when reopening. This is not expected to impact IO performance. Additional fixes which aren't critical but were discovered and resolved in the course of developing this functionality. * Added PHYS_PATH="/dev/zvol/dataset" to the vdev configuration for ZFS volumes. This is as good as a unique physical path, while the volumes are not used in the test cases anymore for other reasons this improvement was included. Signed-off-by: Brian Behlendorf <[email protected]> Issue openzfs#120 Issue openzfs#2437 Issue openzfs#5771 Issue openzfs#7366 Issue openzfs#7582
behlendorf
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Jun 28, 2018
While the autoexpand property may seem like a small feature it depends on a significant amount of system infrastructure. Enough of that infrastructure is now in place with a few modifications for Linux it can be supported. Auto-expand works as follows; when a block device is modified (re-sized, closed after being open r/w, etc) a change uevent is generated for udev. The ZED, which is monitoring udev events, passes the change event along to zfs_deliver_dle() if the disk or partition contains a zfs_member as identified by blkid. From here the device is matched against all imported pool vdevs using the vdev_guid which was read from the label by blkid. If a match is found the ZED reopens the pool vdev. This re-opening is important because it allows the vdev to be briefly closed so the disk partition table can be re-read. Otherwise, it wouldn't be possible to report thee maximum possible expansion size. Finally, if the property autoexpand=on a vdev expansion will be attempted. After performing some sanity checks on the disk to verify that it is safe to expand, the primary partition (-part1) will be expanded and the partition table updated. The partition is then re-opened (again) to detect the updated size which allows the new capacity to be used. In order to make all of the above possible the following changes were required: * Updated the zpool_expand_001_pos and zpool_expand_003_pos tests. These tests now create a pool which is layered on a loopback, scsi_debug, and file vdev. This allows for testing of non- partitioned block device (loopback), a partition block device (scsi_debug), and a file which does not receive udev change events. This provided for better test coverage, and by removing the layering on ZFS volumes there issues surrounding layering one pool on another are avoided. * zpool_find_vdev_by_physpath() updated to accept a vdev guid. This allows for matching by guid rather than path which is a more reliable way for the ZED to reference a vdev. * Fixed zfs_zevent_wait() signal handling which could result in the ZED spinning when a signal was not handled. * Removed vdev_disk_rrpart() functionality which can be abandoned in favor of kernel provided blkdev_reread_part() function. * Added a rwlock which is held as a writer while a disk is being reopened. This is important to prevent errors from occurring for any configuration related IOs which bypass the SCL_ZIO lock. The zpool_reopen_007_pos.ksh test case was added to verify IO error are never observed when reopening. This is not expected to impact IO performance. Additional fixes which aren't critical but were discovered and resolved in the course of developing this functionality. * Added PHYS_PATH="/dev/zvol/dataset" to the vdev configuration for ZFS volumes. This is as good as a unique physical path, while the volumes are not used in the test cases anymore for other reasons this improvement was included. Signed-off-by: Brian Behlendorf <[email protected]> Issue openzfs#120 Issue openzfs#2437 Issue openzfs#5771 Issue openzfs#7366 Issue openzfs#7582
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Jun 29, 2018
While the autoexpand property may seem like a small feature it depends on a significant amount of system infrastructure. Enough of that infrastructure is now in place with a few modifications for Linux it can be supported. Auto-expand works as follows; when a block device is modified (re-sized, closed after being open r/w, etc) a change uevent is generated for udev. The ZED, which is monitoring udev events, passes the change event along to zfs_deliver_dle() if the disk or partition contains a zfs_member as identified by blkid. From here the device is matched against all imported pool vdevs using the vdev_guid which was read from the label by blkid. If a match is found the ZED reopens the pool vdev. This re-opening is important because it allows the vdev to be briefly closed so the disk partition table can be re-read. Otherwise, it wouldn't be possible to report thee maximum possible expansion size. Finally, if the property autoexpand=on a vdev expansion will be attempted. After performing some sanity checks on the disk to verify that it is safe to expand, the primary partition (-part1) will be expanded and the partition table updated. The partition is then re-opened (again) to detect the updated size which allows the new capacity to be used. In order to make all of the above possible the following changes were required: * Updated the zpool_expand_001_pos and zpool_expand_003_pos tests. These tests now create a pool which is layered on a loopback, scsi_debug, and file vdev. This allows for testing of non- partitioned block device (loopback), a partition block device (scsi_debug), and a file which does not receive udev change events. This provided for better test coverage, and by removing the layering on ZFS volumes there issues surrounding layering one pool on another are avoided. * zpool_find_vdev_by_physpath() updated to accept a vdev guid. This allows for matching by guid rather than path which is a more reliable way for the ZED to reference a vdev. * Fixed zfs_zevent_wait() signal handling which could result in the ZED spinning when a signal was not handled. * Removed vdev_disk_rrpart() functionality which can be abandoned in favor of kernel provided blkdev_reread_part() function. * Added a rwlock which is held as a writer while a disk is being reopened. This is important to prevent errors from occurring for any configuration related IOs which bypass the SCL_ZIO lock. The zpool_reopen_007_pos.ksh test case was added to verify IO error are never observed when reopening. This is not expected to impact IO performance. Additional fixes which aren't critical but were discovered and resolved in the course of developing this functionality. * Added PHYS_PATH="/dev/zvol/dataset" to the vdev configuration for ZFS volumes. This is as good as a unique physical path, while the volumes are not used in the test cases anymore for other reasons this improvement was included. Signed-off-by: Brian Behlendorf <[email protected]> Issue openzfs#120 Issue openzfs#2437 Issue openzfs#5771 Issue openzfs#7366 Issue openzfs#7582
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Jul 9, 2018
While the autoexpand property may seem like a small feature it depends on a significant amount of system infrastructure. Enough of that infrastructure is now in place with a few modifications for Linux it can be supported. Auto-expand works as follows; when a block device is modified (re-sized, closed after being open r/w, etc) a change uevent is generated for udev. The ZED, which is monitoring udev events, passes the change event along to zfs_deliver_dle() if the disk or partition contains a zfs_member as identified by blkid. From here the device is matched against all imported pool vdevs using the vdev_guid which was read from the label by blkid. If a match is found the ZED reopens the pool vdev. This re-opening is important because it allows the vdev to be briefly closed so the disk partition table can be re-read. Otherwise, it wouldn't be possible to report thee maximum possible expansion size. Finally, if the property autoexpand=on a vdev expansion will be attempted. After performing some sanity checks on the disk to verify that it is safe to expand, the primary partition (-part1) will be expanded and the partition table updated. The partition is then re-opened (again) to detect the updated size which allows the new capacity to be used. In order to make all of the above possible the following changes were required: * Updated the zpool_expand_001_pos and zpool_expand_003_pos tests. These tests now create a pool which is layered on a loopback, scsi_debug, and file vdev. This allows for testing of non- partitioned block device (loopback), a partition block device (scsi_debug), and a file which does not receive udev change events. This provided for better test coverage, and by removing the layering on ZFS volumes there issues surrounding layering one pool on another are avoided. * zpool_find_vdev_by_physpath() updated to accept a vdev guid. This allows for matching by guid rather than path which is a more reliable way for the ZED to reference a vdev. * Fixed zfs_zevent_wait() signal handling which could result in the ZED spinning when a signal was not handled. * Removed vdev_disk_rrpart() functionality which can be abandoned in favor of kernel provided blkdev_reread_part() function. * Added a rwlock which is held as a writer while a disk is being reopened. This is important to prevent errors from occurring for any configuration related IOs which bypass the SCL_ZIO lock. The zpool_reopen_007_pos.ksh test case was added to verify IO error are never observed when reopening. This is not expected to impact IO performance. Additional fixes which aren't critical but were discovered and resolved in the course of developing this functionality. * Added PHYS_PATH="/dev/zvol/dataset" to the vdev configuration for ZFS volumes. This is as good as a unique physical path, while the volumes are not used in the test cases anymore for other reasons this improvement was included. Signed-off-by: Brian Behlendorf <[email protected]> Issue openzfs#120 Issue openzfs#2437 Issue openzfs#5771 Issue openzfs#7366 Issue openzfs#7582
behlendorf
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Jul 12, 2018
While the autoexpand property may seem like a small feature it depends on a significant amount of system infrastructure. Enough of that infrastructure is now in place with a few modifications for Linux it can be supported. Auto-expand works as follows; when a block device is modified (re-sized, closed after being open r/w, etc) a change uevent is generated for udev. The ZED, which is monitoring udev events, passes the change event along to zfs_deliver_dle() if the disk or partition contains a zfs_member as identified by blkid. From here the device is matched against all imported pool vdevs using the vdev_guid which was read from the label by blkid. If a match is found the ZED reopens the pool vdev. This re-opening is important because it allows the vdev to be briefly closed so the disk partition table can be re-read. Otherwise, it wouldn't be possible to report thee maximum possible expansion size. Finally, if the property autoexpand=on a vdev expansion will be attempted. After performing some sanity checks on the disk to verify that it is safe to expand, the primary partition (-part1) will be expanded and the partition table updated. The partition is then re-opened (again) to detect the updated size which allows the new capacity to be used. In order to make all of the above possible the following changes were required: * Updated the zpool_expand_001_pos and zpool_expand_003_pos tests. These tests now create a pool which is layered on a loopback, scsi_debug, and file vdev. This allows for testing of non- partitioned block device (loopback), a partition block device (scsi_debug), and a file which does not receive udev change events. This provided for better test coverage, and by removing the layering on ZFS volumes there issues surrounding layering one pool on another are avoided. * zpool_find_vdev_by_physpath() updated to accept a vdev guid. This allows for matching by guid rather than path which is a more reliable way for the ZED to reference a vdev. * Fixed zfs_zevent_wait() signal handling which could result in the ZED spinning when a signal was not handled. * Removed vdev_disk_rrpart() functionality which can be abandoned in favor of kernel provided blkdev_reread_part() function. * Added a rwlock which is held as a writer while a disk is being reopened. This is important to prevent errors from occurring for any configuration related IOs which bypass the SCL_ZIO lock. The zpool_reopen_007_pos.ksh test case was added to verify IO error are never observed when reopening. This is not expected to impact IO performance. Additional fixes which aren't critical but were discovered and resolved in the course of developing this functionality. * Added PHYS_PATH="/dev/zvol/dataset" to the vdev configuration for ZFS volumes. This is as good as a unique physical path, while the volumes are not used in the test cases anymore for other reasons this improvement was included. Signed-off-by: Sara Hartse <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Issue openzfs#120 Issue openzfs#2437 Issue openzfs#5771 Issue openzfs#7366 Issue openzfs#7582
behlendorf
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Jul 13, 2018
While the autoexpand property may seem like a small feature it depends on a significant amount of system infrastructure. Enough of that infrastructure is now in place with a few modifications for Linux it can be supported. Auto-expand works as follows; when a block device is modified (re-sized, closed after being open r/w, etc) a change uevent is generated for udev. The ZED, which is monitoring udev events, passes the change event along to zfs_deliver_dle() if the disk or partition contains a zfs_member as identified by blkid. From here the device is matched against all imported pool vdevs using the vdev_guid which was read from the label by blkid. If a match is found the ZED reopens the pool vdev. This re-opening is important because it allows the vdev to be briefly closed so the disk partition table can be re-read. Otherwise, it wouldn't be possible to report thee maximum possible expansion size. Finally, if the property autoexpand=on a vdev expansion will be attempted. After performing some sanity checks on the disk to verify that it is safe to expand, the primary partition (-part1) will be expanded and the partition table updated. The partition is then re-opened (again) to detect the updated size which allows the new capacity to be used. In order to make all of the above possible the following changes were required: * Updated the zpool_expand_001_pos and zpool_expand_003_pos tests. These tests now create a pool which is layered on a loopback, scsi_debug, and file vdev. This allows for testing of non- partitioned block device (loopback), a partition block device (scsi_debug), and a file which does not receive udev change events. This provided for better test coverage, and by removing the layering on ZFS volumes there issues surrounding layering one pool on another are avoided. * zpool_find_vdev_by_physpath() updated to accept a vdev guid. This allows for matching by guid rather than path which is a more reliable way for the ZED to reference a vdev. * Fixed zfs_zevent_wait() signal handling which could result in the ZED spinning when a signal was not handled. * Removed vdev_disk_rrpart() functionality which can be abandoned in favor of kernel provided blkdev_reread_part() function. * Added a rwlock which is held as a writer while a disk is being reopened. This is important to prevent errors from occurring for any configuration related IOs which bypass the SCL_ZIO lock. The zpool_reopen_007_pos.ksh test case was added to verify IO error are never observed when reopening. This is not expected to impact IO performance. Additional fixes which aren't critical but were discovered and resolved in the course of developing this functionality. * Added PHYS_PATH="/dev/zvol/dataset" to the vdev configuration for ZFS volumes. This is as good as a unique physical path, while the volumes are not used in the test cases anymore for other reasons this improvement was included. Signed-off-by: Sara Hartse <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Issue openzfs#120 Issue openzfs#2437 Issue openzfs#5771 Issue openzfs#7366 Issue openzfs#7582
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Aug 15, 2018
Update bdev_capacity to have wholedisk vdevs query the size of the underlying block device (correcting for the size of the efi parition and partition alignment) and therefore detect expanded space. Correct vdev_get_stats_ex so that the expandsize is aligned to metaslab size and new space is only reported if it is large enough for a new metaslab. Reviewed by: Don Brady <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Reviewed by: George Wilson <[email protected]> Reviewed-by: Matthew Ahrens <[email protected]> Reviewed by: John Wren Kennedy <[email protected]> Signed-off-by: sara hartse <[email protected]> External-issue: LX-165 Closes openzfs#7546 Issue openzfs#7582
tonyhutter
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Aug 23, 2018
Update bdev_capacity to have wholedisk vdevs query the size of the underlying block device (correcting for the size of the efi parition and partition alignment) and therefore detect expanded space. Correct vdev_get_stats_ex so that the expandsize is aligned to metaslab size and new space is only reported if it is large enough for a new metaslab. Reviewed by: Don Brady <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Reviewed by: George Wilson <[email protected]> Reviewed-by: Matthew Ahrens <[email protected]> Reviewed by: John Wren Kennedy <[email protected]> Signed-off-by: sara hartse <[email protected]> External-issue: LX-165 Closes openzfs#7546 Issue openzfs#7582
tonyhutter
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Sep 5, 2018
Update bdev_capacity to have wholedisk vdevs query the size of the underlying block device (correcting for the size of the efi parition and partition alignment) and therefore detect expanded space. Correct vdev_get_stats_ex so that the expandsize is aligned to metaslab size and new space is only reported if it is large enough for a new metaslab. Reviewed by: Don Brady <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Reviewed by: George Wilson <[email protected]> Reviewed-by: Matthew Ahrens <[email protected]> Reviewed by: John Wren Kennedy <[email protected]> Signed-off-by: sara hartse <[email protected]> External-issue: LX-165 Closes openzfs#7546 Issue openzfs#7582
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Latest CentOS (7.5) kernel and ZoL 0.7.9, KVM hypervisor
To reproduce:
Create a VM with 50GB disk2/vdb, start the vm and create pool on it.
On hypervisor:
On guest:
Exporting the pool, running partprobe, then re-importing the pool, then doing zpool online -e data /dev/vdb does work, but having to introduce downtime to extend the disk is far from ideal.
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