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Man page update for containers etc. 

Signed-off-by: NeilBrown <neilb@suse.de>
This commit is contained in:
NeilBrown 2008-11-04 20:51:12 +11:00
parent a9e1c11d8b
commit 90c8d6680d
1 changed files with 15 additions and 1 deletions
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mdadm.8
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@ -38,8 +38,9 @@ md devices,
.BR RAID6 , .BR RAID6 ,
.BR RAID10 , .BR RAID10 ,
.BR MULTIPATH , .BR MULTIPATH ,
.BR FAULTY ,
and and
.BR FAULTY . .BR CONTAINER .
.B MULTIPATH .B MULTIPATH
is not a Software RAID mechanism, but does involve is not a Software RAID mechanism, but does involve
@ -50,6 +51,19 @@ each device is a path to one common physical storage device.
is also not true RAID, and it only involves one device. It is also not true RAID, and it only involves one device. It
provides a layer over a true device that can be used to inject faults. provides a layer over a true device that can be used to inject faults.
B CONTAINER
is different again. A CONTAINER is a collection of devices that are
managed as a set. This is similar to the set of devices connected to
a hardware RAID controller. The set of devices may contain a number
of different RAID arrays each utilising some (or all) blocks from a
number of the devices in the set. For example, two devices in a 5-device set
might form a RAID1 used the whole devices. The remaining three might
have a RAID5 over the first half of each device, and a RAID0 over the
second half.
With a CONTAINER, there is one set of metadata the describes
.\".I mdadm .\".I mdadm
.\"is a program that can be used to create, manage, and monitor .\"is a program that can be used to create, manage, and monitor
.\"MD devices. As .\"MD devices. As