Wikipedia SystemRescueCD9/19/2023 The parameters were now a bit different from above: ID# ATTRIBUTE_NAME VALUE WORST THRESH WHEN_FAILED RAW_VALUEġ94 Temperature_Celsius 125 125 000 - 48 (Min/Max Was suspended by an interrupting command from host.Īnd viewed the results when it completed: Offline data collection status: (0x82) Offline data collection activity Offline data collection status: (0x84) Offline data collection activity Test will complete after Thu Oct 5 03:40:52 2017ĭuring the test, I monitored its progress with smartctl -capabilities: # watch -n 1 'echo "- sda" smartctl -capabilities /dev/sda | head -13 | tail -9 echo "- sdb" smartctl -capabilities /dev/sdb | head -13 | tail -9' Please wait 113 seconds for test to complete. ![]() Then, I began the immediate offline test: # smartctl -test=offline /dev/sdX I began with the immediate offline test for each of sda and sdb, but first I checked smartctl -capabilities /dev/sdX for each drive: Offline data collection status: (0x80) Offline data collection activity Recommended polling time: ( 571) minutes. I started running the SMART tests however, smartctl -capabilities reported neither of these supported the conveyance self-test. The initial parameters were identical for the two drives: ID# ATTRIBUTE_NAME VALUE WORST THRESH WHEN_FAILED RAW_VALUEġ94 Temperature_Celsius 250 250 000 - 24 (Min/Max I'm not aware if polling too frequently wears anything out on the drive, but I figured once per minute should be enough for the duration of this. To run the script, I typed: # ~/scripts/hdd_init_checks.sh 60 /dev/sdX I powered on each of the USB docks and watched the messages come up for After I was at a prompt, I monitored the log: # tail -F /var/log/messages I booted up the PC with a live CD of System Rescue CD version 5.0.3. I have annotated any differences from the second run where applicable. ![]() ![]() I performed the steps in the following sections twice-once with the first two drives, then again after powering everything off, replacing the drives with the remaining two, and then powering everything back up. I believe I typed everything correctly, but there's always a chance I missed a comma or semicolon somewhere. This also means I had to hand-type the script above onto the test PC. (FYI the value I missed was a VALUE/WORST for a Temperature_Celsius when I updated a RAW_VALUE.) I mention this because I caught myself missing the update of one value after pasting, so I want to apologize in advance in case anyone gets confused reading output below that does not make perfect sense because values look wrong. As a result, I'm trying to capture my notes here by running the corresponding smartctl commands on this laptop, pasting the output, and massaging values to match what I see on-screen of the test PC. Tonight, I tried again without -device and it's working better for no apparent reason.Īlso please keep in mind that I'm running this on a computer that is disconnected from the network (purely because I have no place to plug in an Ethernet cable). After trying a few things out, I gave up on it as it didn't seem to work. lsusb reported the docks are JMicron Technology, and a quick Google search indicated I needed to specify the -device option. Although I could see the devices as /dev/sda and /dev/sdb, any smartctl commands resulted in an error last night. I'm not sure whether I should expect the temperature to be higher or lower than inside an enclosed chassis with power supply fan running.īecause these are USB docks, I ran into some trouble I hadn't seen before. I have two of my four new drives plugged into two USB docks at a time that are sitting on a desk simply because this computer has no SATA ports available. I created a script capturing Xen2050's recommendations. I got the drives and I'm ready to begin testing them out. ![]() Update : I followed the suggestions in answer and comment. Should I look at any particular SMART values at the beginning? Should I write ones, zeroes, or random data across the full length of the disk and, if so, read it all back? Should I leave it powered on for a full 30 days and keep an eye on anything? Should I verify APM settings are turned off for the drive so there is no premature wear from frequent spin-downs? When I get the time, I hook them into smartmontools so smartd can keep an eye on them, but that's about it. Typically, I just stick new drives in, fdisk them, encrypt if I need it, format with ext4, and go, though this time it'll be ZFS (via ZoL). Are there any recommended practices these days I should perform before I start using them and entrusting my data to them, especially since they're still in the initial warranty period? I'm about to get a couple brand new HGST DeskStar 4TB 3.5" SATA hard drives.
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