Plan 9 from Bell Labs’s /usr/web/sources/contrib/steve/root/sys/src/cmd/disk/health/health.man

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.TH HEALTH 8
.SH NAME
health \- SCSI disk health check
.SH SYNOPSIS
.B disk/health
[
.B /dev/sdXX ...
]
.SH DESCRIPTION
.I Health
prints information about
.SM SCSI
disk's health. It is hoped that this information will be useful
in predicting disk failure. The column are: The device name,
the the number of blocks replaced, the read error count,
the write error count, the life (as a percentage of the
manufacturers estimate), and the current and absolute
maximum temperature.
.SH "SEE ALSO"
.IR scsi (2),
.IR scuzz (8),

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