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authorAlasdair Kergon <agk@redhat.com>2011-08-12 02:16:46 +0000
committerAlasdair Kergon <agk@redhat.com>2011-08-12 02:16:46 +0000
commitd8b1aa198b806f1ff1fd0e7d4f47e1fa7b72c6c0 (patch)
tree25f3ee4efe50bcfe4a8e43c02ec821d5374a5a02 /doc/example.conf.in
parent6b2717ae8394571ccb85085e5628ce7772add259 (diff)
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more pre-release fixes
Diffstat (limited to 'doc/example.conf.in')
-rw-r--r--doc/example.conf.in40
1 files changed, 20 insertions, 20 deletions
diff --git a/doc/example.conf.in b/doc/example.conf.in
index 5788060c..94c632f4 100644
--- a/doc/example.conf.in
+++ b/doc/example.conf.in
@@ -413,6 +413,26 @@ global {
# performed (except for the unchanged vg_seqno).
# Inappropriate use could mess up your system, so seek advice first!
metadata_read_only = 0
+
+ # 'mirror_segtype_default' defines which segtype will be used when the
+ # shorthand '-m' option is used for mirroring. The possible options are:
+ #
+ # "mirror" - The original RAID1 implementation provided by LVM2/DM. It is
+ # characterized by a flexible log solution (core, disk, mirrored)
+ # and by the necessity to block I/O while reconfiguring in the
+ # event of a failure. Snapshots of this type of RAID1 can be
+ # problematic.
+ #
+ # "raid1" - This implementation leverages MD's RAID1 personality through
+ # device-mapper. It is characterized by a lack of log options.
+ # (A log is always allocated for every device and they are placed
+ # on the same device as the image - no separate devices are
+ # required.) This mirror implementation does not require I/O
+ # to be blocked in the kernel in the event of a failure.
+ #
+ # Specify the '--type <mirror|raid1>' option to override this default
+ # setting.
+ mirror_segtype_default = "mirror"
}
activation {
@@ -479,26 +499,6 @@ activation {
# "auto" - Use default value chosen by kernel.
readahead = "auto"
- # 'mirror_segtype_default' defines which segtype will be used when the
- # shorthand '-m' option is used for mirroring. The possible options are:
- #
- # "mirror" - The original RAID1 implementation provided by LVM2/DM. It is
- # characterized by a flexible log solution (core, disk, mirrored)
- # and by the necessity to block I/O while reconfiguring in the
- # event of a failure. Snapshots of this type of RAID1 can be
- # problematic.
- #
- # "raid1" - This implementation leverages MD's RAID1 personality through
- # device-mapper. It is characterized by a lack of log options.
- # (A log is always allocated for every device and they are placed
- # on the same device as the image - no separate devices are
- # required.) This mirror implementation does not require I/O
- # to be blocked in the kernel in the event of a failure.
- #
- # Specify the '--type <mirror|raid1>' option to override this default
- # setting.
- mirror_segtype_default = "mirror"
-
# 'mirror_image_fault_policy' and 'mirror_log_fault_policy' define
# how a device failure affecting a mirror is handled.
# A mirror is composed of mirror images (copies) and a log.