diff options
Diffstat (limited to 'mdadm.8')
| -rw-r--r-- | mdadm.8 | 22 |
1 files changed, 20 insertions, 2 deletions
@@ -1,5 +1,5 @@ .\" -*- nroff -*- -.TH MDADM 8 "" v1.11.0 +.TH MDADM 8 "" v1.11.1 .SH NAME mdadm \- manage MD devices .I aka @@ -92,7 +92,7 @@ information so as to assemble a faulty array. .TP .B Build -Build a legacy array without per-device superblocks. +Build an array without per-device superblocks. .TP .B Create @@ -234,6 +234,24 @@ in which case says to get a list of array devices from .BR /proc/mdstat . +.TP +.B -e ", " --metadata= +Declare the style of superblock (raid metadata) to be used. The +default is 0.90 for --create, and to guess for other operations. + +Options are: +.RS +.IP "0, 0.90, default" +Use the original 0.90 format superblock. This format limits arrays to +28 componenet devices and limits component devices of levels 1 and +greater to 2 terabytes. +.IP "1, 1.0, 1.1, 1.2" +Use the new version-1 format superblock. This has few restrictions. +The different subversion store the superblock at different locations +on the device, either at the end (for 1.0), at the start (for 1.1) or +4K from the start (for 1.2). +.RE + .SH For create or build: .TP |