Allow xfs_repair to repair an XFS filesystem mounted read only. Reporting is only activated when ag_stride is enabled. During long runs xfs_repair outputs its progress every 15 minutes. t " interval" Modify reporting interval. Only use this option if you validated the geometry yourself and know what you are doing. Geometry information can not be validated if only a single allocation group andĮxist and thus we do not have a backup superblock available, or if there are two allocation groups and the two superblocks do not agree on the filesystem This can significantly reduce repair times on concatįorce_geometry Check the filesystem even if geometry information could not be validated. Up the remainder of 75% of the system's physical RAM size.Īg_stride= ags_per_concat_unit This creates additional processing threads to parallel process AGs that span multiple concat units. The total number of buffer cache entries are limited to 8 times this amount. The default ihashsize isīhash= bhashsize overrides the default buffer cache hash size. The total number of inode cache entries are limited to 8 times this amount. Ihash= ihashsize overrides the default inode cache hash size. Override what the program might conclude about the filesystem if left to its own devices. Refer to xfs_admin(8) for information on changing filesystem parameters. c subopt = value Change filesystem parameters. NOTE: These memory limits are only approximate and may use more than the specified limit. Will scale out up to the lesser of the process's virtual address limit or about 75% of the system's physical RAM. xfs_repair has its own internal block cache which m maxmem Specifies the approximate maximum amount of memory, in megabytes, to use for xfs_repair. Use this option if you find xfs_repair gets stuck and stops proceeding. P Disable prefetching of inode and directory blocks. Specifies that xfs_repair should not modify the filesystem but should only scan the filesystem and indicate what repairs would have Mkfs.xfs -r option, and refer to xfs(5) for a detailed description of the XFS realtime section. Only for those filesystems which use a realtime section. r rtdev Specifies the device special file where the filesystem's realtime section resides. l option, and refer to xfs(5) for a detailed description of the XFS log. Only for those filesystems which use an external log. l logdev Specifies the device special file where the filesystem's external log resides. Likely appear to be corrupt, and can cause the loss of user files and/or data. When using this option the filesystem will Forces xfs_repair to zero the log even if it is dirty (contains metadata changes). This option implies that any external log or realtime section Might happen if an image copy of a filesystem has been copied or written into an ordinary file. Options -f Specifies that the filesystem image to be processed is stored in a regular file at device (see the mkfs.xfs -d file option). Regardless, the filesystem to be repaired must be unmounted, otherwise, the resulting filesystem may be inconsistent or corrupt. The name of a block device, xfs_repair will attempt to find the raw device associated with the specified block device and will use the raw device Theįilesystem is specified using the device argument which should be the device name of the disk partition or volume containing the filesystem. Xfs_repair repairs corrupt or damaged XFS filesystems (see xfs(5)).
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