Hi Roland, is `lvs --reportformat json` or `lvs --nameprefixes` good enough?
On Sat, Aug 19, 2023 at 6:06 PM Roland <devz...@web.de> wrote: > > furthermore, it's a little bit weird that some columns being printed > by default when using -o, is > > there an easier way to remove those besides explictly removing them > one by one with several -o options ? "-o-opt1,-opt2,..." doesn't work > > sorry for this noise, i was too dumb for that , "-o+opt1,opt2 > -o-opt3,opt4" works as desired (as documented in manpage) > > > themselves,and there also seems no way to add separators in between > (like with printf) for separation/formatting > > also sorry for this, as we can use --separator="," (apparently did > have too much coffee and had overseen that in the manpage) > > the question regarding native column headers/description remains > > roland > > Am 19.08.23 um 17:20 schrieb Roland: > > hello, > > > > does somebody know how we can have native (i.e. non translated) column > > field names in first line of output of pvs ? > > > > in its current implementation, output is hard to read , difficult to > > distinguish and also not scriptable/parseable, as whitespace is used > > for field separator and there are fields which also contain whitespace > > themselves,and there also seems no way to add separators in between > > (like with printf) for separation/formatting > > > > # pvs --units s -o+pv_ba_start,seg_start,seg_start_pe,pvseg_start > > PV VG Fmt Attr PSize PFree BA Start Start > > Start Start > > /dev/sdb VGrecycle lvm2 a-- 11720982528S 0S 0S > > 2097152S 1 0 > > /dev/sdb VGrecycle lvm2 a-- 11720982528S 0S 0S > > 2097152S 1 1 > > /dev/sdb VGrecycle lvm2 a-- 11720982528S 0S 0S 0S 0 5309 > > /dev/sdb VGrecycle lvm2 a-- 11720982528S 0S 0S 0S 0 5587 > > /dev/sdb VGrecycle lvm2 a-- 11720982528S 0S 0S 0S 0 5588 > > > > i mean like this: > > > > # pvs --units s -o+pv_ba_start,seg_start,seg_start_pe,pvseg_start > > PV VG Fmt Attr PSize PFree pv_ba_start > > seg_start seg_start_pe pvseg_start > > /dev/sdb VGrecycle lvm2 a-- 11720982528S 0S 0S > > 2097152S 1 0 > > /dev/sdb VGrecycle lvm2 a-- 11720982528S 0S 0S > > 2097152S 1 1 > > /dev/sdb VGrecycle lvm2 a-- 11720982528S 0S 0S 0S 0 > > 5309 > > /dev/sdb VGrecycle lvm2 a-- 11720982528S 0S 0S 0S > > 0 5587 > > /dev/sdb VGrecycle lvm2 a-- 11720982528S 0S 0S 0S > > 0 5588 > > > > furthermore, it's a little bit weird that some columns being printed > > by default when using -o, is there an easier way to remove those > > besides explictly removing them one by one with several -o options ? > > "-o-opt1,-opt2,..." doesn't work > > > > # pvs --units s -o+pv_ba_start,seg_start,pvseg_start,seg_start_pe > > -o-vg_name -o-pv_name -o-pv_fmt -o-attr -o -pv_size -o -pv_free > > BA Start Start Start Start > > 0S 2097152S 0 1 > > 0S 2097152S 1 1 > > 0S 0S 5309 0 > > 0S 0S 5587 0 > > 0S 0S 5588 0 > > > > roland > > > _______________________________________________ > linux-lvm mailing list > linux-lvm@redhat.com > https://listman.redhat.com/mailman/listinfo/linux-lvm > read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/ >
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