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[Bug 1043833] New: Better installer support for SSD drivers
  • From: bugzilla_noreply@xxxxxxxxxx
  • Date: Mon, 12 Jun 2017 11:43:27 +0000
  • Message-id: <bug-1043833-21960@http.bugzilla.opensuse.org/>
http://bugzilla.opensuse.org/show_bug.cgi?id=1043833


Bug ID: 1043833
Summary: Better installer support for SSD drivers
Classification: openSUSE
Product: openSUSE Distribution
Version: Leap 42.3
Hardware: Other
OS: Other
Status: NEW
Severity: Normal
Priority: P5 - None
Component: Installation
Assignee: yast2-maintainers@xxxxxxx
Reporter: nettezzaumanaa@xxxxxxxxx
QA Contact: jsrain@xxxxxxxx
Found By: ---
Blocker: ---

Servus people,

I'd like to request that installer goes a bit forward to users while detecting
ssd drive. If you use (for example) a LUKS encrypted device, users have to
manually modify an etc/crypttab adding there a discard option otherwise the
fstrim won't work completely - and please note, that there's by default systemd
fstrim.{service,timer} that is supposed to be automatically enabled when SSD is
detected .. Similar problem is with lvm which requires a manual change to
lvm.conf switching from default 0 to 1 an issue_discards= option ..

summary (maybe not incomplete, I didn't cast all cases):

1) add please to installer support for LUKS encrypted drives/partitions that
the crypttab contains discard option (and initrd is properly updated)

2) add please to installer support for switching automatically issue_discards=
options in case of SSD+lvm is detected ...

remarks:

1) fstrim security related issue is described here
http://asalor.blogspot.cz/2011/08/trim-dm-crypt-problems.html and after reading
that article I consider it as completely minor significance

2) suggestion regarding fstrim timer is discused in bugreport #1043602

3) JFYI my drive layout is this:

# lsblk
NAME MAJ:MIN RM SIZE RO
TYPE MOUNTPOINT
sda 8:0 0 238.5G 0
disk
├─sda2 8:2 0 299M
0
part /boot
├─sda3 8:3 0 237.7G
0
part
│ └─cr_ata-SanDisk_X400_M.2_2280_256GB_170141800292-part3 254:0 0
237.7G 0
crypt
│ ├─rpool-swap 254:1 0
8G 0
lvm [SWAP]
│ ├─rpool-root 254:2 0
30G 0
lvm /
│ └─rpool-home 254:3 0
199.7G 0
lvm /home
└─sda1 8:1 0 500M
0
part


regards, daniel

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