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Bug 1686653 - RFE: provide user output about what was created
Summary: RFE: provide user output about what was created
Status: NEW
Alias: None
Product: Red Hat Enterprise Linux 8
Classification: Red Hat
Component: stratis-cli
Version: 8.0
Hardware: x86_64
OS: Linux
Target Milestone: rc
: 8.0
Assignee: Stratis Team
QA Contact: Jakub Krysl
Depends On:
TreeView+ depends on / blocked
Reported: 2019-03-07 23:36 UTC by Corey Marthaler
Modified: 2019-03-08 17:30 UTC (History)
3 users (show)

Fixed In Version:
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Description Corey Marthaler 2019-03-07 23:36:29 UTC
Description of problem:
Users like to know that their cmd was successful and what/where it was they created.

[root@hayes-01 ~]# stratis fs create my_pool2 my_fs63
[root@hayes-01 ~]# stratis pool create my_pool3 /dev/sdj1
[root@hayes-01 ~]# 

[root@hayes-03 ~]# vdo create --writePolicy sync --name my_vdo --device /dev/sde1
Creating VDO my_vdo
Starting VDO my_vdo
Starting compression on VDO my_vdo
VDO instance 178 volume is ready at /dev/mapper/my_vdo

[root@hayes-03 ~]# mkfs /dev/mapper/my_vdo
mke2fs 1.44.3 (10-July-2018)
Discarding device blocks: done                            
Creating filesystem with 115646516 4k blocks and 28917760 inodes
Filesystem UUID: cbc729c3-cdb2-4961-ba8c-5395ed691977
Writing inode tables: done                            
Writing superblocks and filesystem accounting information: done     

# MD
[root@hayes-03 ~]# mdadm --create /dev/md0 --level=0 --raid-devices=2 /dev/sdb1 /dev/sdc1
mdadm: Defaulting to version 1.2 metadata
mdadm: array /dev/md0 started.

[root@hayes-03 ~]# pvcreate /dev/sdf1
  Physical volume "/dev/sdf1" successfully created.
[root@hayes-03 ~]# vgcreate VG /dev/sdf1
  Volume group "VG" successfully created
[root@hayes-03 ~]# lvcreate -L 100M VG
  Logical volume "lvol0" created.

Version-Release number of selected component (if applicable):

Comment 1 mulhern 2019-03-08 16:24:42 UTC
LVM's model is nice and succinct, but xfs.mkfs and vdo are disturbingly chatty,
almost as if the log message are just being piped to stdout. As a user, I would
be made a bit apprehensive by the mkfs.xfs style of communication, until I learned to
ignore it.

Also, this adds the additional bit of adding a --quiet flag for those who are not
interested in having anything printed out, and prefer to assume that if the
command says nothing, it succeeded.

Furthermore, our design is a bit different. I'm not sure about vdo, but mkfs
is _not_ communicating with a daemon over an IPC mechanism.

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