diff options
Diffstat (limited to 'tools/args.h')
| -rw-r--r-- | tools/args.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/tools/args.h b/tools/args.h index 999d891f7..d1f604b0c 100644 --- a/tools/args.h +++ b/tools/args.h @@ -512,6 +512,26 @@ arg(pvmetadatacopies_ARG, '\0', "pvmetadatacopies", pvmetadatacopies_VAL, 0, 0, "This may be useful in VGs containing many PVs (this places limitations\n" "on the ability to use vgsplit later.)\n") +arg(raidintegrity_ARG, '\0', "raidintegrity", bool_VAL, 0, 0, + "Enable or disable data integrity checksums for raid images.\n") + +arg(raidintegrityblocksize_ARG, '\0', "raidintegrityblocksize", number_VAL, 0, 0, + "The block size to use for dm-integrity on raid images.\n" + "The integrity block size should usually match the device\n" + "logical block size, or the file system block size.\n" + "It may be less than the file system block size, but not\n" + "less than the device logical block size.\n" + "Possible values: 512, 1024, 2048, 4096.\n") + +arg(raidintegritymode_ARG, '\0', "raidintegritymode", string_VAL, 0, 0, + "Use a journal (default) or bitmap for keeping integrity checksums consistent\n" + "in case of a crash. The bitmap areas are recalculated after a crash, so corruption\n" + "in those areas would not be detected. A journal does not have this problem.\n" + "The journal mode doubles writes to storage, but can improve performance for\n" + "scattered writes packed into a single journal write.\n" + "bitmap mode can in theory achieve full write throughput of the device,\n" + "but would not benefit from the potential scattered write optimization.\n") + arg(readonly_ARG, '\0', "readonly", 0, 0, 0, "Run the command in a special read-only mode which will read on-disk\n" "metadata without needing to take any locks. This can be used to peek\n" |