snajpa’s gists

snajpa / gist:eab1e0f6b61f123cb1f9

Created February 19, 2016 21:39

	[root@backuper zfs]# zpool import -d /dev/disk/by-path/
	pool: storage
	id: 17867153918278089024
	state: FAULTED
	status: The pool metadata is corrupted.
	action: The pool cannot be imported due to damaged devices or data.
	The pool may be active on another system, but can be imported using
	the '-f' flag.
	see: http://zfsonlinux.org/msg/ZFS-8000-72
	config:

snajpa / gist:3ed833f7f16f364bb7ba

Created February 20, 2016 13:32

	[[email protected]]
	~ # zpool status
	pool: storage
	state: DEGRADED
	status: One or more devices could not be used because the label is missing or
	invalid. Sufficient replicas exist for the pool to continue
	functioning in a degraded state.
	action: Replace the device using 'zpool replace'.
	see: http://zfsonlinux.org/msg/ZFS-8000-4J
	scan: scrub in progress since Mon Feb 15 14:44:05 2016

snajpa / gist:56ee8198768206a0ac27

Created February 20, 2016 13:33

	[[email protected]]
	~ # zpool import
	pool: storage
	id: 17867153918278089024
	state: UNAVAIL
	status: One or more devices contains corrupted data.
	action: The pool cannot be imported due to damaged devices or data.
	see: http://zfsonlinux.org/msg/ZFS-8000-5E
	config:

snajpa / gist:117b0a0a31b21aa4c9e6

Created February 20, 2016 15:48

	[[email protected]]
	~ # zpool status
	pool: storage
	state: DEGRADED
	status: One or more devices could not be used because the label is missing or
	invalid. Sufficient replicas exist for the pool to continue
	functioning in a degraded state.
	action: Replace the device using 'zpool replace'.
	see: http://zfsonlinux.org/msg/ZFS-8000-4J
	scan: scrub in progress since Mon Feb 15 14:44:05 2016

snajpa / gist:56abc243f17dd52945e5

Created February 20, 2016 16:41

	[[email protected]]
	~ # zpool status
	pool: storage
	state: ONLINE
	status: One or more devices could not be used because the label is missing or
	invalid. Sufficient replicas exist for the pool to continue
	functioning in a degraded state.
	action: Replace the device using 'zpool replace'.
	see: http://zfsonlinux.org/msg/ZFS-8000-4J
	scan: scrub canceled on Sat Feb 20 16:51:07 2016

snajpa / gist:03548c3a065be13d6bd8

Created February 23, 2016 19:32

	[[email protected]]
	~/build-vpsfree-templates/templates # export PATH=$PATH:/bin:/sbin; /root/build-vpsfree-templates/bin/build-vpsfree-templates fedora-23
	Building fedora-23 ...
	Downloading #1 http://ftp.fi.muni.cz/pub/linux/fedora/linux/releases/23/Everything/x86_64/os/Packages/f/fedora-release-23-1.noarch.rpm
	% Total % Received % Xferd Average Speed Time Time Time Current
	Dload Upload Total Spent Left Speed
	100 16726 100 16726 0 0 219k 0 --:--:-- --:--:-- --:--:-- 217k
	warning: /var/build/install.download.Fla/release1.rpm: Header V3 RSA/SHA256 Signature, key ID 34ec9cba: NOKEY
	Preparing... ################################# [100%]
	Updating / installing...

snajpa / gist:d58780f948192a92608522599a27fda2

Created June 22, 2016 10:58

	[[email protected]]
	~ # cat /proc/spl/kstat/zfs/storage/txgs
	18 0 0x01 53 5936 25548199873 1309969878148
	txg birth state ndirty nread nwritten reads writes otime qtime wtime stime
	26735785 1298944733629 C 0 0 0 0 0 909279 3078 503055693 264820
	26735786 1298945642908 C 0 0 0 0 0 503063811 3758 259336 1897889
	26735787 1299448706719 C 17940480 0 6458368 0 801 48734026 3996 39648 340182357
	26735788 1299497440745 C 212992 512 1248256 1 247 74978 28576 340126453 238116979
	26735789 1299497515723 C 3981312 0 4422656 0 720 340186647 3830 238084759 329790336
	26735790 1299837702370 C 20545536 0 8518

snajpa / gist:f51e2da8222a2916c4c990295f83f963

Created August 1, 2016 14:54

	[[email protected]]
	~ # perf list

	List of pre-defined events (to be used in -e):

	branch-instructions OR branches [Hardware event]
	branch-misses [Hardware event]
	bus-cycles [Hardware event]
	cache-misses [Hardware event]
	cache-references [Hardware event]

snajpa / gist:c07187597bb9eb13779c6544861b43d5

Created August 1, 2016 14:54

	[[email protected]]
	~ # perf list

	List of pre-defined events (to be used in -e):

	branch-instructions OR branches [Hardware event]
	branch-misses [Hardware event]
	bus-cycles [Hardware event]
	cache-misses [Hardware event]
	cache-references [Hardware event]

snajpa / gist:a8a02c207bec3b9b62c8b32b7118a99f

Created August 1, 2016 15:24

Pavel Snajdr snajpa