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06ce9b4e42
Currently, the output is separated in 3 parts and each part can go into
a separate and user-defined file descriptor:
- common output (stdout by default, customizable by LVM_OUT_FD environment variable)
- error output (stderr by default, customizable by LVM_ERR_FD environment variable)
- report output (stdout by default, customizable by LVM_REPORT_FD environment variable)
For example, each type of output goes to different output file:
[0] fedora/~ # export LVM_REPORT_FD=3
[0] fedora/~ # lvs fedora vg/abc 1>out 2>err 3>report
[0] fedora/~ # cat out
[0] fedora/~ # cat err
Volume group "vg" not found
Cannot process volume group vg
[0] fedora/~ # cat report
LV VG Attr LSize Layout Role CTime
root fedora -wi-ao---- 19.00g linear public Wed May 27 2015 08:09:21
swap fedora -wi-ao---- 500.00m linear public Wed May 27 2015 08:09:21
Another example in LVM shell where the report goes to "report" file:
[0] fedora/~ # export LVM_REPORT_FD=3
[0] fedora/~ # lvm 3>report
(in lvm shell)
lvm> vgs
(content of "report" file)
[1] fedora/~ # cat report
VG #PV #LV #SN Attr VSize VFree
fedora 1 2 0 wz--n- 19.49g 0
(in lvm shell)
lvm> lvs
(content of "report" file)
[1] fedora/~ # cat report
VG #PV #LV #SN Attr VSize VFree
fedora 1 2 0 wz--n- 19.49g 0
LV VG Attr LSize Layout Role CTime
root fedora -wi-ao---- 19.00g linear public Wed May 27 2015 08:09:21
swap fedora -wi-ao---- 500.00m linear public Wed May 27 2015 08:09:21
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| .. | ||
| crc_gen.c | ||
| crc.c | ||
| crc.h | ||
| intl.h | ||
| last-path-component.h | ||
| lib.h | ||
| lvm-exec.c | ||
| lvm-exec.h | ||
| lvm-file.c | ||
| lvm-file.h | ||
| lvm-flock.c | ||
| lvm-flock.h | ||
| lvm-globals.c | ||
| lvm-globals.h | ||
| lvm-percent.c | ||
| lvm-percent.h | ||
| lvm-signal.c | ||
| lvm-signal.h | ||
| lvm-string.c | ||
| lvm-string.h | ||
| lvm-wrappers.c | ||
| lvm-wrappers.h | ||
| sharedlib.c | ||
| sharedlib.h | ||
| util.h | ||