forked from Mirrors/btrfs-progs
31 lines
1.1 KiB
Groff
31 lines
1.1 KiB
Groff
.TH BTRFS-SHOW-SUPER 8
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.SH NAME
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btrfs-show-super \- show btrfs superblock information stored in devices
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.SH SYNOPSIS
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.B btrfs-show-super [\fIoptions\fP] \fI<dev>\fP [\fI<dev>...\fP]
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.SH DESCRIPTION
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\fBbtrfs-show-super\fP is used to print the information of superblock,
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you can specify which mirror to print out. In default, every device's
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first superblock will be printed out.
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\fIOptions\fP
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.IP "\fB-a\fP" 5
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print all the superblock information, if this option is given, '\fB-i\fP' option will be ignored.
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.IP "\fB-i \fI<super_mirror>\fP" 5
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specify which mirror to print out. \fI<super_mirror>\fP is between 0 and 2. if several '\fB-i \fI<super_mirror>\fP'\fR are given, only the last one is valid.
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.SH EXIT CODE
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\fBbtrfs-show-super\fR will return 0 exit code if no error happened.
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If any problems happened, 1 will be returned.
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.SH AUTHOR
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Written by Shilong Wang and Wenruo Qu.
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.SH COPYRIGHT
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Copyright \(co 2013 FUJITSU LIMITED.
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License GPLv2: GNU GPL version 2 <http://gnu.org/licenses/gpl.html>.
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.br
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This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.
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.SH SEE ALSO
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.BR mkfs.btrfs (8)
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