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　晋太元中，武陵人捕鱼为业。缘溪行，忘路之远近。忽逢桃花林，夹岸数百步，中无杂树，芳草鲜美，落英缤纷。渔人甚异之，复前行，欲穷其林。　　林尽水源，便得一山，山有小口，仿佛若有光。便舍船，从口入。初极狭，才通人。复行数十步，豁然开朗。土地平旷，屋舍俨然，有良田、美池、桑竹之属。阡陌交通，鸡犬相闻。其中往来种作，男女衣着，悉如外人。黄发垂髫，并怡然自乐。　　见渔人，乃大惊，问所从来。具答之。便要还家，设酒杀鸡作食。村中闻有此人，咸来问讯。自云先世避秦时乱，率妻子邑人来此绝境，不复出焉，遂与外人间隔。问今是何世，乃不知有汉，无论魏晋。此人一一为具言所闻，皆叹惋。余人各复延至其家，皆出酒食。停数日，辞去。此中人语云：“不足为外人道也。”(间隔一作：隔绝) 　　既出，得其船，便扶向路，处处志之。及郡下，诣太守，说如此。太守即遣人随其往，寻向所志，遂迷，不复得路。　　南阳刘子骥，高尚士也，闻之，欣然规往。未果，寻病终。后遂无问津者。 . Prv8 Shell

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Directory : /usr/lib/python3.6/site-packages/sos/report/plugins/

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Current File : //usr/lib/python3.6/site-packages/sos/report/plugins/lustre.py

# This file is part of the sos project: https://github.com/sosreport/sos
#
# This copyrighted material is made available to anyone wishing to use,
# modify, copy, or redistribute it subject to the terms and conditions of
# version 2 of the GNU General Public License.
#
# See the LICENSE file in the source distribution for further information.

import re
from sos.report.plugins import Plugin, RedHatPlugin


class Lustre(Plugin, RedHatPlugin):

    short_desc = 'Lustre filesystem'

    plugin_name = 'lustre'
    profiles = ('storage', 'network', 'cluster', )
    packages = ('lustre', 'lustre-client', )

    def get_params(self, name, param_list):
        """Use lctl get_param to collect a selection of parameters into a
            file.

        """
        self.add_cmd_output(f"lctl get_param {' '.join(param_list)}",
                            suggest_filename=f"params-{name}",
                            stderr=False)

    def setup(self):
        self.add_cmd_output([
            "lctl debug_kernel",
            "lctl device_list",
            "lctl list_nids",
            "lctl route_list",
            "lnetctl net show -v 4"
        ])

        # Grab almost everything
        output = self.exec_cmd("lctl list_param -R *")['output']
        exclude = (".*@.*|.*dump_page_cache|peers|.*quota.*|osd-.*|.*osc.*|"
                   "mgs.*|.*mgc_irstate|ldlm.*state|.*job_stats|.*exports.*")
        params = [item for item in output.splitlines()
                  if not re.match(exclude, item)]
        self.get_params("all", params)

        self.get_params(
            "basic",
            ["version", "health_check", "debug"]
        )

        # Client Specific
        self.add_cmd_output([
            "lfs df",
            "lfs df -i"
        ])
        self.get_params("osc_client", [
            "osc.*.max_dirty_mb",
            "osc.*.max_pages_per_rpc",
            "osc.*.checksums",
            "osc.*.max_rpcs_in_flight"
        ])

        # Server Specific
        self.get_params(
            "osd",
            ["osd-*.*.{mntdev,files*,kbytes*,blocksize,brw_stats}"]
        )
        self.get_params("quota", ["osd-*.*.quota_slave.{info,limit_*,acct_*}"])
        self.get_params("mgs", ["mgs.MGS.ir_timeout", "mgs.MGS.live.*"])

        # mb_groups can be VERY large, and provide minimal debug usefulness
        self.add_forbidden_path("*/mb_groups")
        self.add_copy_spec([
            "/sys/fs/ldiskfs",
            "/proc/fs/ldiskfs",
        ])

        # Grab emergency ring buffer dumps and other largish info
        if self.get_option("all_logs"):
            self.add_copy_spec("/tmp/lustre-log.*")
            self.get_params("job-stats", ["*.*.job_stats"])
            self.get_params("peers", ["peers"])

# vim: set et ts=4 sw=4 :

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