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Before adding the entry to the configuration verify that the device can be opened exclusively. This ensures that as long as multipathd is running the underlying multipath devices, which otherwise appear identical to their /dev/mapper counterpart, are pruned from the configuration. Failure to do so can result in a result in the vdev appearing as UNAVAIL when the vdev path provided to the kernel can't be opened exclusively. This check would normally be performed in zpool_open_func() but placing it there would result in false positives because it is called concurrently for many devices. Reviewed-by: Olaf Faaland <faaland1@llnl.gov> Reviewed-by: Tony Hutter <hutter2@llnl.gov> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #5387 |
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| .. | ||
| .gitignore | ||
| libzfs_changelist.c | ||
| libzfs_config.c | ||
| libzfs_core.pc.in | ||
| libzfs_dataset.c | ||
| libzfs_diff.c | ||
| libzfs_fru.c | ||
| libzfs_import.c | ||
| libzfs_iter.c | ||
| libzfs_mount.c | ||
| libzfs_pool.c | ||
| libzfs_sendrecv.c | ||
| libzfs_status.c | ||
| libzfs_util.c | ||
| libzfs.pc.in | ||
| Makefile.am | ||