diff options
| author | oster <oster@NetBSD.org> | 2007-08-06 19:44:16 +0000 |
|---|---|---|
| committer | oster <oster@NetBSD.org> | 2007-08-06 19:44:16 +0000 |
| commit | 761dfd30177fefae04dba79d88f74f8165a25de2 (patch) | |
| tree | a94d85f93de2705858a9dd0610d7844cd8c0dae7 /sbin/raidctl | |
| parent | 3fbf89c64896753b58bc8979efea89eb81fc77dd (diff) | |
Talk a bit more about how the size of a RAID set is determined, and
of RF_PROTECTED_SECTORS. Requested by (and with comments from and
thanks to) Christoph (bad@).
Diffstat (limited to 'sbin/raidctl')
| -rw-r--r-- | sbin/raidctl/raidctl.8 | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/sbin/raidctl/raidctl.8 b/sbin/raidctl/raidctl.8 index 8c4da30bc44..5c3aab953f4 100644 --- a/sbin/raidctl/raidctl.8 +++ b/sbin/raidctl/raidctl.8 @@ -1,4 +1,4 @@ -.\" $NetBSD: raidctl.8,v 1.49 2005/02/28 22:03:05 wiz Exp $ +.\" $NetBSD: raidctl.8,v 1.50 2007/08/06 19:44:16 oster Exp $ .\" .\" Copyright (c) 1998, 2002 The NetBSD Foundation, Inc. .\" All rights reserved. @@ -60,7 +60,7 @@ .\" any improvements or extensions that they make and grant Carnegie the .\" rights to redistribute these changes. .\" -.Dd February 28, 2005 +.Dd August 6, 2007 .Dt RAIDCTL 8 .Os .Sh NAME @@ -734,6 +734,15 @@ After configuration, this set can be used normally, but will be operating in degraded mode. Once a second physical component is obtained, it can be hot-added, the existing data mirrored, and normal operation resumed. +.Pp +The size of the resulting RAID set will depend on the number of data +components in the set. +Space is automatically reserved for the component labels, and +the actual amount of space used +for data on a component will be rounded down to the largest possible +multiple of the sectors per stripe unit (sectPerSU) value. +Thus, the amount of space provided by the RAID set will be less +than the sum of the size of the components. .Ss Maintenance of the RAID set After the parity has been initialized for the first time, the command: .Bd -literal -offset indent |
