<div dir="ltr"><div class="gmail_default" style="font-family:tahoma,sans-serif">That is the exact HDD we use in a Raid50 array in our workplace server, running since 2011 on an Asus ATX P6X58D-E. Zero failures since and likely only rebooted twice a year as my IT guy is plenty conservative about applying OS patches(MS SVR2012). Damn good drives.</div><div class="gmail_default" style="font-family:tahoma,sans-serif"><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif">And yeah Khalid, I should be less nervous about doing a dist-upgrade, especially on the server edition of Ubuntu:-)</div><div class="gmail_default" style="font-family:tahoma,sans-serif">My travel laptop is still on Lubuntu 16.04, I will do the upgrade to 18.04 and then onto 20.04 and see how that goes. It might be a challenge as the GUI changes from LXDE to LXqT, but worth a shot since it's an easily re-buildable OS profile(small amount of /home contents).<br><br></div><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div>Ron S.<br><br></div></div></div></div></div></div><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun, Feb 13, 2022 at 12:26 PM Khalid Baheyeldin <<a href="mailto:kb@2bits.com">kb@2bits.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Here is something surprising (to me at least) ...<br><br>My home server has been running for over 11 years continuously, and when I saw the statistics on S.M.A.R.T and the file system, I thought these must be shared. <br><br>The 'server' is an Acer Desktop, circa 2010 AMD Athlon II X4 with 4GB of RAM, with a BIOS only (no UEFI).<br>The hard disk is a 1TB Hitachi <br><br>According to SMART, as of late January:<br><br><span style="font-family:monospace">Model Family:   Hitachi Deskstar 7K1000.B<br>Device Model:   Hitachi HDT721010SLA360<br>Firmware Version: ST6OA31B<br>User Capacity:   1,000,204,886,016 bytes [1.00 TB]<br>Sector Size:    512 bytes logical/physical<br>Rotation Rate:   7200 rpm<br>ATA Version is:  ATA8-ACS T13/1699-D revision 4<br>SATA Version is:  SATA 2.6, 3.0 Gb/s<br></span><br>Here are the relevant entries:<br><br><span style="font-family:monospace"> 9 Power_On_Hours      0x0012  086  086  000   Old_age  Always    -    101024<br> 12 Power_Cycle_Count    0x0032  100  100  000   Old_age  Always    -    65<br></span><br>That 101024 hours is 11.5 years of the disk spinning continuously with 65 power cycles over that period. <br><br>And per tune2fs, this ext3 file system was created on July 2010!<br><br><span style="font-family:monospace">Last mounted on:      /<br>Filesystem magic number:  0xEF53<br>Filesystem revision #:   1 (dynamic)<br>Filesystem features:    has_journal ext_attr resize_inode dir_index filetype needs_recovery sparse_super large_file<br>Filesystem flags:     signed_directory_hash<br>Filesystem state:     clean<br>Errors behavior:      Continue<br>Filesystem OS type:    Linux<br>Inode count:        60317696<br>Block count:        241244080<br>Reserved block count:   12062204<br>Free blocks:        125567107<br>Free inodes:        58960270<br>First block:        0<br>Block size:        4096<br>Fragment size:       4096<br>Reserved GDT blocks:    966<br>Blocks per group:     32768<br>Fragments per group:    32768<br>Inodes per group:     8192<br>Inode blocks per group:  256<br>Filesystem created:    Mon Jul 19 15:48:26 2010<br>Mount count:        2<br>Maximum mount count:    23<br>Last checked:       Fri Dec 31 15:44:08 2021<br>Check interval:      15552000 (6 months)<br>Next check after:     Wed Jun 29 16:44:08 2022<br>Lifetime writes:      13 TB</span><br><br>The disk is only half full (~ 500GB).<br><br>I am impressed that a spinning disk can last that long.<br><br>The Hitachi disk was copied to another disk that is ext4, and is running on the new motherboard with UEFI, USB 3.0 and SATA 6Gbps. <br><br>And a note to Ron! <br>The above shows I have been upgrading in-place continually from at least Ubuntu 10.04 (and maybe 8.04) to 20.04.<br><div>No fresh install with every LTS release. At least for a server with no GUI and desktop apps. <br></div><div>--</div><div>Khalid Baheyeldin<br></div></div>
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