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| author | Suren A. Chilingaryan <csa@suren.me> | 2018-07-05 06:29:09 +0200 |
|---|---|---|
| committer | Suren A. Chilingaryan <csa@suren.me> | 2018-07-05 06:29:09 +0200 |
| commit | 2c3f1522274c09f7cfdb6309adc0719f05c188e9 (patch) | |
| tree | e54e0c26f581543f48e945f186734e4bd9a8f15a /docs/kickstart.txt | |
| parent | 8af0865a3a3ef783b36016c17598adc9d932981d (diff) | |
| download | ands-2c3f1522274c09f7cfdb6309adc0719f05c188e9.tar.gz ands-2c3f1522274c09f7cfdb6309adc0719f05c188e9.tar.bz2 ands-2c3f1522274c09f7cfdb6309adc0719f05c188e9.tar.xz ands-2c3f1522274c09f7cfdb6309adc0719f05c188e9.zip | |
Update monitoring scripts to track leftover OpenVSwitch 'veth' interfaces and clean them up pereodically to avoid performance degradation, split kickstart
Diffstat (limited to 'docs/kickstart.txt')
| -rw-r--r-- | docs/kickstart.txt | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/docs/kickstart.txt b/docs/kickstart.txt index 1331542..b94b0f6 100644 --- a/docs/kickstart.txt +++ b/docs/kickstart.txt @@ -11,4 +11,14 @@ Troubleshooting dmsetup remove_all dmsetup remove <name> -
\ No newline at end of file + - Sometimes even this does not help. + > On CentOS 7.4 mdadm does not recognize the disk, but LVM thinks it is + part of MD. Then cleaning last megabytes of the former md partition may help. + > On Fedora 28, mdadm detects the old array and tries to "tear down" it down, but + fails as raid array is already innactive. + + * If raid is still more-or-less healthy. It can be destroyed with + mdadm --zero-superblock /dev/sdb3 + * Otherwise: + dd if=/dev/zero of=/dev/sda4 bs=512 seek=$(( $(blockdev --getsz /dev/sda4) - 1024 )) count=1024 + |