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Status Not under consideration
Workspace AIX
Created by Guest
Created on Sep 19, 2017

The snap command should gather mirror pool info

The snap command needs to be updated to gather mirror pool information. Right now the mirror pool commands are not in it, nor are the flags that list information for other commands.

At a minimum it should run:
lspv -P
lsmp -A vgname (for all vgs that are scalable)
lsvg -m vgname (for all vgs)
lsvg -P vgname (for all vgs)

Idea priority Low
  • Guest
    Reply
    |
    Nov 2, 2017

    Information is already available in LVM snap.

  • Guest
    Reply
    |
    Oct 31, 2017

    A while back, we streamlined LVM snap to be quick. Easier to use formatting of the data can be done after data collection.
    This info is available in LVM snap already:

    # lspv -P / lsvg -P
    -> grep -e pv_id -e mirror_pool_nm vg00.snap
    pv_id: 00f67f7ce0e32b71 (hdisk100)
    mirror_pool_nm: mp1
    pv_id: 00f67f7ce0e32e0a (hdisk102)
    mirror_pool_nm: mp2

    # lsvg -m / lslv
    -> grep -e lvname -e mirror_pool vg00.snap
    lvname: lv00
    mirror_pool[]: 1 2 0
    mirror_pool: 1
    mirror_pool_nm: mp1
    mirror_pool: 2
    mirror_pool_nm: mp2

    # lsmp -A - configuration stuff is avail in on disk metadata.. Other more live stats about async glvm will not be:
    -> grep "MIRROR POOL STRICT" vg00.snap
    MIRROR POOL STRICT: off
    -> grep -e pv_id -e async_flags -e aiocache vg00.snap
    pv_id: 00f67f7ce0e32b71 (hdisk100)
    async_flags: 0