[PATCHSET,v24.0,0/4] xfs_scrub_all: automatic media scan service

Message

Darrick J. Wong Dec. 30, 2022, 10:18 p.m. UTC

Hi all,

Now that we've completed the online fsck functionality, there are a few
things that could be improved in the automatic service.  Specifically,
we would like to perform a more intensive metadata + media scan once per
month, to give the user confidence that the filesystem isn't losing data
silently.  To accomplish this, enhance xfs_scrub_all to be able to
trigger media scans.  Next, add a duplicate set of system services that
start the media scans automatically.

If you're going to start using this mess, you probably ought to just
pull from my git trees, which are linked below.

This is an extraordinary way to destroy everything.  Enjoy!
Comments and questions are, as always, welcome.

--D

xfsprogs git tree:
https://git.kernel.org/cgit/linux/kernel/git/djwong/xfsprogs-dev.git/log/?h=scrub-media-scan-service
---
 debian/rules                           |    3 +
 include/builddefs.in                   |    3 +
 man/man8/Makefile                      |    7 ++
 man/man8/xfs_scrub_all.8.in            |   20 ++++++
 scrub/Makefile                         |   14 ++++-
 scrub/xfs_scrub_all.cron.in            |    2 -
 scrub/xfs_scrub_all.in                 |   99 +++++++++++++++++++++++++++++++-
 scrub/xfs_scrub_all.service.in         |    9 ++-
 scrub/xfs_scrub_all_fail.service.in    |   67 ++++++++++++++++++++++
 scrub/xfs_scrub_fail                   |   44 +++++++++++---
 scrub/xfs_scrub_fail@.service.in       |    2 -
 scrub/xfs_scrub_media@.service.in      |   90 +++++++++++++++++++++++++++++
 scrub/xfs_scrub_media_fail@.service.in |   76 +++++++++++++++++++++++++
 13 files changed, 413 insertions(+), 23 deletions(-)
 rename man/man8/{xfs_scrub_all.8 => xfs_scrub_all.8.in} (59%)
 create mode 100644 scrub/xfs_scrub_all_fail.service.in
 create mode 100644 scrub/xfs_scrub_media@.service.in
 create mode 100644 scrub/xfs_scrub_media_fail@.service.in