forked from docs/doc-exports
Yang, Tong
3b1f73dece
Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com> Co-authored-by: Yang, Tong <yangtong2@huawei.com> Co-committed-by: Yang, Tong <yangtong2@huawei.com>
160 lines
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160 lines
30 KiB
HTML
<a name="alm_12045"></a><a name="alm_12045"></a>
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<h1 class="topictitle1">ALM-12045 Read Packet Dropped Rate Exceeds the Threshold</h1>
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<div id="body8662426"><div class="section" id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_section5890016"><h4 class="sectiontitle">Description</h4><p id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_p15743678">The system checks the read packet dropped rate every 30 seconds. This alarm is generated when the read packet dropped rate exceeds the threshold (the default threshold is 0.5%) for multiple times (the default value is <strong id="alm_12045__b117610372300">5</strong>).</p>
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<p id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_p7475374">You can change the threshold by choosing <strong id="alm_12045__b82201038163016">System</strong> > <strong id="alm_12045__b722014385308">Threshold Configuration</strong> > <strong id="alm_12045__b1722163813300">Device</strong> > <strong id="alm_12045__b122153863010">Host</strong> > <strong id="alm_12045__b7221438123010">Network Reading</strong> > <strong id="alm_12045__b7222193819308">Network Read Packet Rate Information</strong> > <strong id="alm_12045__b18222133812303">Read Packet Dropped Rate</strong>.</p>
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<p id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_p169502">This alarm is cleared when <strong id="alm_12045__b1547153983017">hit number</strong> is 1 and the read packet dropped rate is less than or equal to the threshold. This alarm is cleared when <strong id="alm_12045__b25481939173018">hit number</strong> is greater than 1 and the read packet dropped rate is less than or equal to 90% of the threshold.</p>
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<p id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_p3388854417345">The alarm detection is disabled by default. If you want to enable this function, check whether this function can be enabled based on Checking System Environments. </p>
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</div>
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<div class="section" id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_section53010144"><h4 class="sectiontitle">Attribute</h4>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_table13729674" frame="border" border="1" rules="all"><thead align="left"><tr id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_row33765803"><th align="left" class="cellrowborder" valign="top" width="33.33333333333333%" id="mcps1.3.2.2.1.4.1.1"><p id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_p50675546">Alarm ID</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="33.33333333333333%" id="mcps1.3.2.2.1.4.1.2"><p id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_p11078557">Alarm Severity</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="33.33333333333333%" id="mcps1.3.2.2.1.4.1.3"><p id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_p24947933">Auto Clear</p>
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</th>
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</tr>
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</thead>
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<tbody><tr id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_row7516673"><td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.1.4.1.1 "><p id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_p4870770">12045</p>
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</td>
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<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.1.4.1.2 "><p id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_p58988055">Major</p>
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</td>
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<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.1.4.1.3 "><p id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_p13303128">Yes</p>
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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</div>
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<div class="section" id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_section7329254"><h4 class="sectiontitle">Parameters</h4>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_table3811615" frame="border" border="1" rules="all"><thead align="left"><tr id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_row56035103"><th align="left" class="cellrowborder" valign="top" width="50%" id="mcps1.3.3.2.1.3.1.1"><p id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_p42549504">Parameter</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="50%" id="mcps1.3.3.2.1.3.1.2"><p id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_p23957801">Description</p>
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</th>
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</tr>
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</thead>
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<tbody><tr id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_row61533763"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.1 "><p id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_p18178934">ServiceName</p>
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</td>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.2 "><p id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_p63207529">Specifies the service for which the alarm is generated.</p>
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</td>
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</tr>
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<tr id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_row31996850"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.1 "><p id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_p41608040">RoleName</p>
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</td>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.2 "><p id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_p14808116">Specifies the role for which the alarm is generated.</p>
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</td>
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</tr>
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<tr id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_row66164180"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.1 "><p id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_p57698393">HostName</p>
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</td>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.2 "><p id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_p43058279">Specifies the host for which the alarm is generated.</p>
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</td>
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</tr>
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<tr id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_row51980192"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.1 "><p id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_p49646029">NetworkCardName</p>
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</td>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.2 "><p id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_p61905431">Specifies the network port for which the alarm is generated.</p>
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</td>
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</tr>
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<tr id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_row20277970"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.1 "><p id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_p31902865">Trigger Condition</p>
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</td>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.2 "><p id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_p33995297">Specifies the threshold for triggering the alarm.</p>
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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</div>
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<div class="section" id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_section65963290"><h4 class="sectiontitle">Impact on the System</h4><p id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_p2155690">The service performance deteriorates or some services time out.</p>
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<p id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_p19401211">Risk warning: In SUSE kernel 3.0 or later or Red Hat 7.2, the system kernel modifies the mechanism for counting the number of dropped read packets. In this case, this alarm may be generated even if the network is running properly, but services are not affected. You are advised to check the system environment first.</p>
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</div>
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<div class="section" id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_section56798701"><h4 class="sectiontitle">Possible Causes</h4><ul id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_ul27994219"><li id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li37441695101640">An OS exception occurs.</li><li id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li60731574192851">The NICs are bonded in active/standby mode.</li><li id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li50621380">The alarm threshold is improperly configured.</li><li id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li52939239">The network environment is abnormal.</li></ul>
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</div>
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<div class="section" id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_section41426264"><h4 class="sectiontitle">Procedure</h4><p id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_p60550233154039"><strong id="alm_12045__b175816973112">View the network packet dropped rate.</strong></p>
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<ol id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_ol54177744154120"><li id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li17837656154120"><span>Use PuTTY to log in to any non-alarm node in the cluster as user <strong id="alm_12045__b1383141263119">omm</strong> and run the <strong id="alm_12045__b4840125315">ping</strong> <em id="alm_12045__i384141215316">IP address of the node for which the alarm is generated</em> <strong id="alm_12045__b68451213119">-c 100</strong> command to check whether packet drop occurs on the network.</span><p><pre class="screen" id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_screen62115895154120"># ping 10.10.10.12 -c 5
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PING 10.10.10.12 (10.10.10.12) 56(84) bytes of data.
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64 bytes from 10.10.10.11: icmp_seq=1 ttl=64 time=0.033 ms
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64 bytes from 10.10.10.11: icmp_seq=2 ttl=64 time=0.034 ms
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64 bytes from 10.10.10.11: icmp_seq=3 ttl=64 time=0.021 ms
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64 bytes from 10.10.10.11: icmp_seq=4 ttl=64 time=0.033 ms
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64 bytes from 10.10.10.11: icmp_seq=5 ttl=64 time=0.030 ms
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--- 10.10.10.12 ping statistics ---
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5 packets transmitted, 5 received, <strong id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_b22172143154120">0% packet loss</strong>, time 4001ms rtt min/avg/max/mdev = 0.021/0.030/0.034/0.006 ms</pre>
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<div class="note" id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_note65331562154120"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_ul49725473172857"><li class="text" id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li47838650172857"><em id="alm_12045__i10773102273117">IP address of the node for which the alarm is generated</em>: Query the IP address of the node for which the alarm is generated on the node management page of the MRS cluster details page based on the value of <strong id="alm_12045__b477872215316">HostName</strong> in the alarm location information. Check both the IP addresses of the management plane and service plane.</li><li class="text" id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li27894673172857"><strong id="alm_12045__b11150122443120">-c</strong>: number of check times. The default value is <strong id="alm_12045__b5150162473110">100</strong>.</li></ul>
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</div></div>
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<ul id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_ul13917686154518"><li id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li12587032154518">If yes, go to <a href="#alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li4196511811134">11</a>.</li><li id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li56952569154522">If no, go to <a href="#alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li6542838717657">2</a>.</li></ul>
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</p></li></ol>
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<p id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_p3001914417641"><strong id="alm_12045__b1883415364316">Check the system environment.</strong></p>
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<ol start="2" id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_ol2481810015412"><li id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li6542838717657"><a name="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li6542838717657"></a><a name="en-us_topic_0191813872_en-us_topic_0087039254_li6542838717657"></a><span>Use PuTTY to log in to the active OMS node or the node for which the alarm is generated as user <strong id="alm_12045__b16366039193113">omm</strong>.</span></li><li id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li59743835171248"><span>Run the <strong id="alm_12045__b4501440153119">cat /etc/*-release</strong> command to check the OS type.</span><p><ul id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_ul57711857171536"><li id="alm_12045__en-us_topic_0191813872_li14626390111633">If the OS is EulerOS, go to <a href="#alm_12045__en-us_topic_0191813872_li55780683112557">4</a>.<pre class="screen" id="alm_12045__en-us_topic_0191813872_screen10559545112049"># cat /etc/*-release EulerOS release 2.0 (SP2)
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EulerOS release 2.0 (SP2)</pre>
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</li><li id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li21932288171542">If the OS is SUSE, go to <a href="#alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li42309040172040">5</a>.<pre class="screen" id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_screen84321661066"># cat /etc/*-release
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<strong id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_b1884844610730">SUSE</strong> Linux Enterprise Server 11 (x86_64)
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VERSION = 11
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PATCHLEVEL = 3</pre>
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</li><li id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li4722758171548">Otherwise, go to <a href="#alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li4196511811134">11</a>.</li></ul>
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</p></li><li id="alm_12045__en-us_topic_0191813872_li55780683112557"><a name="alm_12045__en-us_topic_0191813872_li55780683112557"></a><a name="en-us_topic_0191813872_li55780683112557"></a><span>Run the <strong id="alm_12045__b183638833215">cat /etc/euleros-release</strong> command to check whether the OS version is EulerOS 2.2.</span><p><pre class="screen" id="alm_12045__en-us_topic_0191813872_screen53802981112938"># cat/etc/euleros-release
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EulerOS release 2.0 (SP2)</pre>
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<ul id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_ul14175033171743"><li id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li16488084171743">If yes, the alarm sending function cannot be enabled. Go to <a href="#alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li43950618195120">6</a>.</li><li id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li11566066171752">If no, go to <a href="#alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li4196511811134">11</a>.</li></ul>
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</p></li><li id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li42309040172040"><a name="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li42309040172040"></a><a name="en-us_topic_0191813872_en-us_topic_0087039254_li42309040172040"></a><span>Run the <strong id="alm_12045__b66291222123213">cat /proc/version</strong> command to check whether the SUSE kernel version is 3.0 or later.</span><p><pre class="screen" id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_screen50396840174541"># cat /proc/version
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Linux version <strong id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_b37899196102550">3.0.101-63-default</strong> (geeko@buildhost) (gcc version 4.3.4 [gcc-4_3-branch revision 152973] (SUSE Linux) ) #1 SMP Tue Jun 23 16:02:31 UTC 2015 (4b89d0c)</pre>
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<ul id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_ul62847380172126"><li id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li9858303195115">If yes, the alarm sending function cannot be enabled. Go to <a href="#alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li43950618195120">6</a>.</li><li id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li5930366195117">If no, go to <a href="#alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li4196511811134">11</a>.</li></ul>
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</p></li><li id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li43950618195120"><a name="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li43950618195120"></a><a name="en-us_topic_0191813872_en-us_topic_0087039254_li43950618195120"></a><span>Log in to MRS Manager and choose <strong id="alm_12045__b12855133453219">System</strong> > <strong id="alm_12045__b1985610342326">Configuration</strong> > <strong id="alm_12045__b885673433220">Threshold Configuration</strong>.</span></li></ol><ol start="7" id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_ol26457910172340"><li id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li26465420174815"><span>In the navigation pane of the <strong id="alm_12045__b728113783211">Threshold Configuration</strong> page, choose <strong id="alm_12045__b1229173753212">Network Reading</strong> > <strong id="alm_12045__b1729437143219">Network Read Packet Rate Information</strong> > <strong id="alm_12045__b16291937203210">Read Packet Dropped Rate</strong>. In the right pane, check whether <strong id="alm_12045__b2303378329">Send Alarm</strong> is selected.</span><p><ul id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_ul20313429174820"><li id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li9894347174820">If yes, the alarm sending function is enabled. Go to <a href="#alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li38517503111027">8</a>.</li><li id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li56297179194352">If no, the alarm sending function is disabled. Go to <a href="#alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li16613085112024">10</a>.</li></ul>
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</p></li><li id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li38517503111027"><a name="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li38517503111027"></a><a name="en-us_topic_0191813872_en-us_topic_0087039254_li38517503111027"></a><span>In the right pane, deselect <strong id="alm_12045__b67054911329">Send Alarm</strong> to shield alarm "Network Read Packet Dropped Rate Exceeds the Threshold."</span></li><li id="alm_12045__en-us_topic_0191813872_li1487713813414"><span>Go to the MRS cluster details page and choose <strong id="alm_12045__b1725135023218">Alarms</strong>.</span></li><li id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li16613085112024"><a name="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li16613085112024"></a><a name="en-us_topic_0191813872_en-us_topic_0087039254_li16613085112024"></a><span>Search for alarm 12045 and manually clear the alarms that are not automatically cleared. No further action is required.</span><p><div class="note" id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_note60160766112035"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_p4575985112035">The ID of alarm Network Read Packet Dropped Rate Exceeds the Threshold is 12045.</p>
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</div></div>
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</p></li></ol>
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<p class="tableheading" id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_p61906312112834"><strong id="alm_12045__b7398175653216">Check whether the NICs are bonded in active/standby mode.</strong></p>
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<ol start="11" id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_ol3681358112910"><li id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li4196511811134"><a name="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li4196511811134"></a><a name="en-us_topic_0191813872_en-us_topic_0087039254_li4196511811134"></a><span>Use PuTTY to log in to the node for which the alarm is generated as user <strong id="alm_12045__b936675713216">omm</strong> and run the <strong id="alm_12045__b18367165783217">ls -l /proc/net/bonding</strong> command to check whether the <strong id="alm_12045__b2367557173219">/proc/net/bonding</strong> directory exists on the node.</span><p><ul id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_ul2536942711511"><li id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li114170711511">If yes, as shown in the following figure, the bond mode is configured for the node. Go to <a href="#alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li56651960171744">12</a>.<pre class="screen" id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_screen61020177174650"># ls -l /proc/net/bonding/
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total 0
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-r--r--r-- 1 root root 0 Oct 11 17:35 bond0</pre>
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</li><li id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li1027536511511">If no, the bond mode is not configured for the node. Go to <a href="#alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li61276131112834">14</a>.<pre class="screen" id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_screen20639077174631"># ls -l /proc/net/bonding/
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ls: cannot access /proc/net/bonding/: No such file or directory</pre>
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</li></ul>
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</p></li><li id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li56651960171744"><a name="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li56651960171744"></a><a name="en-us_topic_0191813872_en-us_topic_0087039254_li56651960171744"></a><span>Run the <strong id="alm_12045__b1362101116330">cat /proc/net/bonding/bond0</strong> command to check whether the value of <strong id="alm_12045__b5363121193315">Bonding Mode</strong> in the configuration file is <strong id="alm_12045__b11363171111333">fault-tolerance</strong>.</span><p><div class="note" id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_note37132714174046"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_p65758970174046">In the preceding command, <strong id="alm_12045__b760116123331">bond0</strong> is the name of the bond configuration file. Use the file name obtained in <a href="#alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li4196511811134">11</a>.</p>
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</div></div>
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<pre class="screen" id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_screen66180417172236"># cat /proc/net/bonding/bond0
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Ethernet Channel Bonding Driver: v3.7.1 (April 27, 2011)
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|
<strong id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_b44473498172934">Bonding Mode</strong>: <strong id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_b2872281172250">fault-tolerance</strong> (active-backup)
|
|
Primary Slave: eth1 (primary_reselect always)
|
|
<strong id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_b66561664172842">Currently Active Slave</strong>: eth1
|
|
MII Status: up
|
|
MII Polling Interval (ms): 100
|
|
Up Delay (ms): 0
|
|
Down Delay (ms): 0
|
|
|
|
<strong id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_b34813235172851">Slave Interface</strong>: eth0
|
|
MII Status: up
|
|
Speed: 1000 Mbps
|
|
Duplex: full
|
|
Link Failure Count: 1
|
|
Slave queue ID: 0
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|
|
|
<strong id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_b54612082172855">Slave Interface</strong>: eth1
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|
MII Status: up
|
|
Speed: 1000 Mbps
|
|
Duplex: full
|
|
Link Failure Count: 1
|
|
Slave queue ID: 0</pre>
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|
<ul id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_ul30997003172359"><li id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li65006029172359">If yes, the NICs are bonded in active/standby mode. Go to <a href="#alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li44376005172456">13</a>.</li><li id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li48183354172359">If no, go to <a href="#alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li61276131112834">14</a>.</li></ul>
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|
</p></li><li id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li44376005172456"><a name="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li44376005172456"></a><a name="en-us_topic_0191813872_en-us_topic_0087039254_li44376005172456"></a><span>Check whether the NIC specified by <strong id="alm_12045__b1821983210332">NetworkCardName</strong> in the alarm details is the standby NIC.</span><p><ul id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_ul28324831172943"><li id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li52545472172943">If yes, the alarm of the standby NIC cannot be automatically cleared. Manually clear the alarm on the alarm management page. No further action is required.</li><li id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li3147203172943">If no, go to <a href="#alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li61276131112834">14</a>.<div class="note" id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_note50257452172948"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_p49663891172948">To determine the standby NIC, check the <strong id="alm_12045__b631643913319">/proc/net/bonding/bond0</strong> configuration file. If the NIC name corresponding to <strong id="alm_12045__b1231733912339">NetworkCardName</strong> is <strong id="alm_12045__b23173396335">Slave Interface</strong> but not <strong id="alm_12045__b1431812390335">Currently Active Slave</strong> (the current active NIC), the NIC is the standby one.</p>
|
|
</div></div>
|
|
</li></ul>
|
|
</p></li></ol>
|
|
<p class="tableheading" id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_p60219992"><strong id="alm_12045__b1648615403338">Check whether the threshold is set properly.</strong></p>
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|
<ol start="14" id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_ol16493433173222"><li id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li61276131112834"><a name="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li61276131112834"></a><a name="en-us_topic_0191813872_en-us_topic_0087039254_li61276131112834"></a><span>Log in to MRS Manager and check whether the threshold (configurable, 0.5% by default) is appropriate.</span><p><ul class="subitemlist" id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_ul36634620112834"><li id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li23616603112834">If yes, go to <a href="#alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li56023883112834">17</a>.</li><li id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li33896675112834">If no, go to <a href="#alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li47653126112834">15</a>.</li></ul>
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</p></li></ol><ol start="15" id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_ol13032980174025"><li id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li47653126112834"><a name="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li47653126112834"></a><a name="en-us_topic_0191813872_en-us_topic_0087039254_li47653126112834"></a><span>Choose <strong id="alm_12045__b6325473313">System</strong> > <strong id="alm_12045__b1433542331">Threshold Configuration</strong> > <strong id="alm_12045__b104105416334">Device</strong> > <strong id="alm_12045__b24115473315">Host</strong> > <strong id="alm_12045__b12545423319">Network Reading</strong> > <strong id="alm_12045__b4595453316">Network Read Packet Rate Information</strong> > <strong id="alm_12045__b136165418336">Read Packet Dropped Rate</strong> and change the alarm threshold based on the actual service usage.</span></li><li id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li20285900112834"><span>Wait 5 minutes and check whether the alarm is cleared.</span><p><ul class="subitemlist" id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_ul59074262112834"><li id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li26224954112834">If yes, no further action is required.</li><li id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li43846509112834">If no, go to <a href="#alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li56023883112834">17</a>.</li></ul>
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</p></li></ol>
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<p class="tableheading" id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_p2385731319369"><strong id="alm_12045__b36311632344">Check whether the network is normal.</strong></p>
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<ol start="17" id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_ol63525722193615"><li id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li56023883112834"><a name="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li56023883112834"></a><a name="en-us_topic_0191813872_en-us_topic_0087039254_li56023883112834"></a><span>Contact the system administrator to check whether the network is normal.</span><p><ul class="subitemlist" id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_ul36051037112834"><li id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li32545240112834">If yes, rectify the network fault and go to <a href="#alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li4503547112834">18</a>.</li><li id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li18918751112834">If no, go to <a href="#alm_12045__en-us_topic_0191813872_li572522141314">19</a>.</li></ul>
|
|
</p></li><li id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li4503547112834"><a name="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li4503547112834"></a><a name="en-us_topic_0191813872_en-us_topic_0087039254_li4503547112834"></a><span>Wait 5 minutes and check whether the alarm is cleared.</span><p><ul class="subitemlist" id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_ul17454193112834"><li id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li34452907112834">If yes, no further action is required.</li><li id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_li39222057112834">If no, go to <a href="#alm_12045__en-us_topic_0191813872_li572522141314">19</a>.</li></ul>
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</p></li><li id="alm_12045__en-us_topic_0191813872_li572522141314"><a name="alm_12045__en-us_topic_0191813872_li572522141314"></a><a name="en-us_topic_0191813872_li572522141314"></a><span>Collect fault information.</span><p><ol type="a" id="alm_12045__en-us_topic_0191813872_en-us_topic_0191813935_ol6089206913036"><li id="alm_12045__en-us_topic_0191813872_en-us_topic_0191813935_li4478836213036">On MRS Manager, choose <span class="menucascade" id="alm_12045__menucascade2607132693415"><b><span class="uicontrol" id="alm_12045__uicontrol17606126153415">System</span></b> > <b><span class="uicontrol" id="alm_12045__uicontrol15607182612346">Export Log</span></b></span>.</li><li id="alm_12045__li18574327401">Contact technical support engineers for help. For details, see <a href="https://docs.otc.t-systems.com/en-us/public/learnmore.html" target="_blank" rel="noopener noreferrer">technical support</a>.</li></ol>
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</p></li></ol>
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<p id="alm_12045__en-us_topic_0191813872_p1940251145735"></p>
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</div>
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<div class="section" id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_section37292060"><h4 class="sectiontitle">Reference</h4><p id="alm_12045__en-us_topic_0191813872_en-us_topic_0087039254_p3971809">None</p>
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</div>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="mrs_01_0241.html">Alarm Reference (Applicable to Versions Earlier Than MRS 3.x)</a></div>
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</div>
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</div>
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