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</style><article id="node-1242776" class="node node-logentry contextual-links-region article ia-n clearfix" role="article"><header class="node-header"><h1 class="node-title">
<a href="https://logbooks.jlab.org/entry/4169736" rel="bookmark">snapshot file server issues</a>
</h1>
</header><div class="contextual-links-wrapper"><ul class="contextual-links"><li><a href="https://logbooks.jlab.org/entry/4169736/edit?destination=email/send">Edit</a></li><li><a href="https://logbooks.jlab.org/entry/4169736/delete?destination=email/send">Delete</a></li></ul></div>
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Lognumber <a href="https://logbooks.jlab.org/entry/4169736" class="lognumber" data-lognumber="4169736">4169736</a>. Submitted by <a href="https://logbooks.jlab.org/user/cuffe">cuffe</a> on <time datetime="2023-08-22T13:55:29-0400" pubdate="pubdate"><a href="https://logbooks.jlab.org/entries?start_date=1692723329&end_date=1692730529&book=ACELOG&book=ELOG">Tue, 08/22/2023 - 13:55</a></time>. </p>
<table class="field-vitals"><tr><th>Logbooks: </th><td><a href="https://logbooks.jlab.org/book/acelog">ACELOG</a> <a href="https://logbooks.jlab.org/book/elog">ELOG</a></td></tr><tr><th>Entry Makers: </th><td>cuffe</td></tr></table></div>
<div class="logentry node-content">
<p>Our snapshot backup server (snapfs) began having issues early this morning. The errors indicated file system for disk issues. The system was rebooted and now seems to be functioning normally. The only oddity was that the OS reported a predicated disk failure but when investigating the disks with the Dell tools and the baseboard management controller, the disk is reported as fine. It took a bit to map figure out the correct disk since these tools do not exact report the same information in the same way. It is Physical Disk 0:0:2 that is a member of the snap3 virtual disk. We will keep an eye on it and swap the disk if issues return.</p>
<p>OpenMange Tools:<br />
###############<br />
Status OK<br />
Name Physical Disk 0:0:2<br />
Device Description Disk 2 in Enclosure 0 on Connector 0 of RAID Controller in Slot 3<br />
State Online<br />
Operational State Not Applicable<br />
Slot Number 2<br />
Size 2794.00 GB<br />
Block Size 512 bytes<br />
Security Status Not Capable<br />
Bus Protocol SAS<br />
Media Type HDD<br />
Hot Spare No<br />
Remaining Rated Write Endurance Not Applicable<br />
Failure Predicted No</p>
<p>smartd tools:<br />
###############<br />
[<a href="mailto:root@snapfs">root@snapfs</a> ~]# smartctl -a -d megaraid,1 /dev/sdd1<br />
smartctl 7.0 2018-12-30 r4883 [x86_64-linux-3.10.0-1160.92.1.el7.x86_64] (local build)<br />
Copyright (C) 2002-18, Bruce Allen, Christian Franke, <a href="http://www.smartmontools.org">www.smartmontools.org</a></p>
<p>=== START OF INFORMATION SECTION ===<br />
Vendor: SEAGATE<br />
Product: DKS2D-H3R0SS<br />
Revision: 6FB0<br />
Compliance: SPC-3<br />
User Capacity: 3,000,592,982,016 bytes [3.00 TB]<br />
Logical block size: 512 bytes<br />
Rotation Rate: 7200 rpm<br />
Form Factor: 3.5 inches<br />
Logical Unit id: 0x5000c500418452e7<br />
Serial number: Z292G3WT00009239YA99<br />
Device type: disk<br />
Transport protocol: SAS (SPL-3)<br />
Local Time is: Tue Aug 22 13:52:36 2023 EDT<br />
SMART support is: Available - device has SMART capability.<br />
SMART support is: Enabled<br />
Temperature Warning: Enabled</p>
<p>=== START OF READ SMART DATA SECTION ===<br />
SMART Health Status: FAILURE PREDICTION THRESHOLD EXCEEDED [asc=5d, ascq=0]</p>
<p>Current Drive Temperature: 29 C<br />
Drive Trip Temperature: 68 C</p>
<p>Manufactured in week 15 of year 2012<br />
Specified cycle count over device lifetime: 10000<br />
Accumulated start-stop cycles: 223<br />
Specified load-unload count over device lifetime: 300000<br />
Accumulated load-unload cycles: 223<br />
Elements in grown defect list: 255</p>
<p>Vendor (Seagate Cache) information<br />
Blocks sent to initiator = 3148312464<br />
Blocks received from initiator = 271932906<br />
Blocks read from cache and sent to initiator = 1279949280<br />
Number of read and write commands whose size <= segment size = 265556356<br />
Number of read and write commands whose size > segment size = 0</p>
<p>Vendor (Seagate/Hitachi) factory information<br />
number of hours powered up = 5167.08<br />
number of minutes until next internal SMART test = 32</p>
<p>Error counter log:<br />
Errors Corrected by Total Correction Gigabytes Total<br />
ECC rereads/ errors algorithm processed uncorrected<br />
fast | delayed rewrites corrected invocations [10^9 bytes] errors<br />
read: 2812477162 82 0 2812477244 82 52587.991 0<br />
write: 0 0 0 0 0 11214.903 0<br />
verify: 2888151797 61 0 2888151858 61 20996.633 0</p>
<p>Non-medium error count: 20<br />
########################</p>
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