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Add pool state /proc entry, "SUSPENDED" pools

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1. Add a proc entry to display the pool's state:

$ cat /proc/spl/kstat/zfs/tank/state
ONLINE

This is done without using the spa config locks, so it will
never hang.

2. Fix 'zpool status' and 'zpool list -o health' output to print
"SUSPENDED" instead of "ONLINE" for suspended pools.

Reviewed-by: Olaf Faaland <faaland1@llnl.gov>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed by: Richard Elling <Richard.Elling@RichardElling.com>
Signed-off-by: Tony Hutter <hutter2@llnl.gov>
Closes #7331 
Closes #7563
This commit is contained in:
Tony Hutter
2018-06-06 09:33:54 -07:00
committed by Brian Behlendorf
parent 2d9142c9d4
commit f0ed6c7448
18 changed files with 383 additions and 26 deletions
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cmd/zpool/zpool_main.c
+2 -1
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@@ -6484,7 +6484,8 @@ status_callback(zpool_handle_t *zhp, void *data)
nvroot = fnvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE);
verify(nvlist_lookup_uint64_array(nvroot, ZPOOL_CONFIG_VDEV_STATS,
(uint64_t **)&vs, &c) == 0);
health = zpool_state_to_name(vs->vs_state, vs->vs_aux);
health = zpool_get_state_str(zhp);
(void) printf(gettext(" pool: %s\n"), zpool_get_name(zhp));
(void) printf(gettext(" state: %s\n"), health);