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author | Alasdair Kergon <agk@redhat.com> | 2011-08-12 02:16:46 +0000 |
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committer | Alasdair Kergon <agk@redhat.com> | 2011-08-12 02:16:46 +0000 |
commit | d8b1aa198b806f1ff1fd0e7d4f47e1fa7b72c6c0 (patch) | |
tree | 25f3ee4efe50bcfe4a8e43c02ec821d5374a5a02 /doc/example.conf.in | |
parent | 6b2717ae8394571ccb85085e5628ce7772add259 (diff) | |
download | lvm2-d8b1aa198b806f1ff1fd0e7d4f47e1fa7b72c6c0.tar.gz lvm2-d8b1aa198b806f1ff1fd0e7d4f47e1fa7b72c6c0.tar.xz lvm2-d8b1aa198b806f1ff1fd0e7d4f47e1fa7b72c6c0.zip |
more pre-release fixes
Diffstat (limited to 'doc/example.conf.in')
-rw-r--r-- | doc/example.conf.in | 40 |
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. |