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Edited January 26, 2023
at 11:38 AM
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ServerPartDeals.com has 12TB Seagate Exos X16 7200RPM SATA 6Gb/s 3.5" Hard Disk Drive HDD (Manufacturer Recertified, ST12000NM001G) on sale for $104.99. Shipping is free.
Specs:
Exos X16 - 12TB Enterprise HDD
CMR recording
Helium sealed-drive design
Hyperscale SATA model tuned for large data transfers and low latency
Supports hot-plugging
256MB cache
2.5 Million hours MTBF
7.2K RPM
2 year warranty through serverpartsdeals
https://serverpartdeals.com/produ...tified-hdd
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The drive works but I have some concerns, as it sometimes seems to take a few tries to calibrate when powering up. The other Exos (an X18) always gets it right on the first try. The drive performs well, with sequential reads/writes around 250MB/s peak. Random 4K reads are about 0.8MB/s, not exactly spectacular. On the other hand, Random 4K writes are over 13MB/s, faster than any other HD I've seen. As far as noise, it seems about the same as the WD/HGST helium drives.
Mine came with outdated firmware. You can get the update from Seagate's site by putting in your serial number. The download takes forever because it's close to dial-up speeds. It comes with a cross-platform command-line utility. I booted to a live Linux session to do the update. Instructions are included. Be careful, the commands are case-sensitive.
This drive has TLER (Time-Limited Error Recovery) which is usually intended for RAID setups. I think it's probably fine to leave this enabled, even when used on its own. The default timer appears to be 10 seconds. If the drive can't sort things out in that period, I doubt more time is going to make much of a difference. You can disable (or adjust) it with smartmontools (also included with GSmartControl). However, the setting must be reapplied after every power cycle. Here is the command:
smartctl -l scterc,0,0 /dev/sdX (Replace sdX with the designation of your drive. Also, this IS case-sensitive.)
This drive does not support conventional APM (Advanced Power Management). However, it does have power-saving features. It has multiple modes, including one that parks the heads and another that reduces the spindle speed. These are enabled by default and too aggressive for my tastes. You can use the SeaChest utility to adjust or disable these. Here are the commands for the Windows version:
SeaChest_PowerControl_x64_windows -s
SeaChest_PowerControl_x64_windows -d PDx --showEPCSettings
SeaChest_PowerControl_x64_windows -d PDx --EPCfeature disable
SeaChest_PowerControl_x64_windows -d PDx --powerBalanceFeature info
SeaChest_PowerControl_x64_windows -d PDx --powerBalanceFeature disable
Use the first command to determine the "handle" of your drive. For the subsequent commands, replace the "PDx" with your drive's handle. The second and forth commands display the current status of those features. The third and fifth commands disable the respective features. These settings DO appear to persist through power cycles.
For anyone wondering, the Exos X18 I got from them had a manufacture date less than six months ago. It had 0 power-on hours and obviously had NOT been tested after the SMART data was reset. Its firmware is up to date and I have not noticed any issue with it yet.
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x18 is slightly faster, but also uses slightly more power. In a home setting in a NAS, the speed benefit won't be realized in any real world situation.
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A lot of Linux distros these days don't require you to even glance at the terminal much less use it. If you're buying enterprise drives like these that aren't meant for home use, Linux is useful to have for troubleshooting.
I converted the drive to GPT from MBR but my Win10 Pro machine is still only seeing it as 936GB and not 12TB.
I've looked at the drive via multiple programs (Disk Management, AOMEI Partittion assistance, CrystalDisk, and DiskCheckup and all see only 936GB without ability to expand it to 12TB.
Opinions on what's wrong here?? I already have 3+ TB GPT drives on this computer so don't know the issue.
Doing a full wipe data now.....will see if that allows me to see the full drive capacity.
Use https://panthema.net/2013/disk-filltest/ to verify the drive once you get it working, files the drive with files and verifies each to ensure there are no bad clusters. Command line so lightest.
Gonna run like 24 hours
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every one I bought has the DOM on the lower right corner below "Product of Thailand"
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