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author | David Teigland <teigland@redhat.com> | 2017-05-23 10:50:08 -0500 |
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committer | David Teigland <teigland@redhat.com> | 2017-05-23 10:50:41 -0500 |
commit | 4d261cd719eb5c5f8b6d96adcb954c2e36c7c3ec (patch) | |
tree | c4d1c3d955018deba105df8666b3aa0df0e00a24 | |
parent | 5e8beb4023642eb3aabee0b9f9e54047044b0cb8 (diff) | |
download | lvm2-4d261cd719eb5c5f8b6d96adcb954c2e36c7c3ec.tar.gz |
man lvmsystemid: change some wording
Clarify the wording in a couple cases.
-rw-r--r-- | man/lvmsystemid.7_main | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/man/lvmsystemid.7_main b/man/lvmsystemid.7_main index 8c5704286..9b36dc3e3 100644 --- a/man/lvmsystemid.7_main +++ b/man/lvmsystemid.7_main @@ -94,19 +94,18 @@ corrupting the PVs. See the section for more information. .IP \[bu] 2 -The system ID does not protect devices in VG from programs other than LVM. +The system ID does not protect devices in a VG from programs other than LVM. .IP \[bu] 2 -A host using an old version of LVM without the system ID feature will not -recognize a system ID in VGs from other hosts. Even though the old -version of LVM is not blocked from reading a VG with a system ID, it is -blocked from writing to the VG (or its LVs). The system ID feature -changes the write mode of a VG, making it appear read-only to previous -versions of LVM. - -This also means that if a host downgrades its version of LVM, it would +A host using an old LVM version (without the system ID feature) will not +recognize a system ID set in VGs. The old LVM can read a VG with a +system ID, but is prevented from writing to the VG (or its LVs). +The system ID feature changes the write mode of a VG, making it appear +read-only to previous versions of LVM. + +This also means that if a host downgrades to the old LVM version, it would lose access to any VGs it had created with a system ID. To avoid this, -the system ID should be removed from VGs before downgrading to an LVM +the system ID should be removed from local VGs before downgrading LVM to a version without the system ID feature. |