i wrote data to both drives, almost to capacity, with no errors.
"smartctl -a" gives this for one:
Code:
=== START OF INFORMATION SECTION ===
Vendor: SEAGATE
Product: ST1200MM0007
Revision: IS06
Compliance: SPC-4
User Capacity: 1,200,243,695,616 bytes [1.20 TB]
Logical block size: 512 bytes
LU is fully provisioned
Rotation Rate: 10000 rpm
Form Factor: 2.5 inches
Logical Unit id: 0x5000c5007dff31cb
Serial number: S3L0ST1X
Device type: disk
Transport protocol: SAS (SPL-4)
Local Time is: Tue Jun 23 15:50:50 2026 BST
SMART support is: Available - device has SMART capability.
SMART support is: Enabled
Temperature Warning: Disabled or Not Supported
=== START OF READ SMART DATA SECTION ===
SMART Health Status: OK
Current Drive Temperature: 52 C
Drive Trip Temperature: 60 C
Accumulated power on time, hours:minutes 63944:41
Manufactured in week 40 of year 2014
Specified cycle count over device lifetime: 10000
Accumulated start-stop cycles: 81
Specified load-unload count over device lifetime: 300000
Accumulated load-unload cycles: 2800
Elements in grown defect list: 0
Vendor (Seagate Cache) information
Blocks sent to initiator = 2835228570
Blocks received from initiator = 4149471905
Blocks read from cache and sent to initiator = 2414814652
Number of read and write commands whose size <= segment size = 382649282
Number of read and write commands whose size > segment size = 146
Vendor (Seagate/Hitachi) factory information
number of hours powered up = 63944.68
number of minutes until next internal SMART test = 21
Error counter log:
Errors Corrected by Total Correction Gigabytes Total
ECC rereads/ errors algorithm processed uncorrected
fast | delayed rewrites corrected invocations [10^9 bytes] errors
read: 663374276 0 0 663374276 0 464956.595 0
write: 0 0 18 18 18 257091.385 0
verify: 12323876 0 0 12323876 0 3.618 0
Non-medium error count: 2
SMART Self-test log
Num Test Status segment LifeTime LBA_first_err [SK ASC ASQ]
Description number (hours)
# 1 Background short Completed 64 63866 - [- - -]
# 2 Background long Aborted (device reset ?) 64 63840 - [- - -]
# 3 Background long Aborted (device reset ?) 64 63840 - [- - -]
# 4 Background long Aborted (device reset ?) 64 63840 - [- - -]
# 5 Background short Completed 64 7 - [- - -]
# 6 Reserved(7) Completed 48 7 - [- - -]
# 7 Reserved(7) Completed 48 6 - [- - -]
# 8 Background short Completed 48 4 - [- - -]
Long (extended) Self-test duration: 8400 seconds [140.0 minutes]
and this for the other:
Code:
=== START OF INFORMATION SECTION ===
Vendor: SEAGATE
Product: ST1200MM0007
Revision: IS06
Compliance: SPC-4
User Capacity: 1,200,243,695,616 bytes [1.20 TB]
Logical block size: 512 bytes
LU is fully provisioned
Rotation Rate: 10000 rpm
Form Factor: 2.5 inches
Logical Unit id: 0x5000c500717ecb33
Serial number: S3L055K3
Device type: disk
Transport protocol: SAS (SPL-4)
Local Time is: Tue Jun 23 15:52:57 2026 BST
SMART support is: Available - device has SMART capability.
SMART support is: Enabled
Temperature Warning: Disabled or Not Supported
=== START OF READ SMART DATA SECTION ===
SMART Health Status: OK
Current Drive Temperature: 48 C
Drive Trip Temperature: 60 C
Accumulated power on time, hours:minutes 36647:12
Manufactured in week 04 of year 2014
Specified cycle count over device lifetime: 10000
Accumulated start-stop cycles: 59
Specified load-unload count over device lifetime: 300000
Accumulated load-unload cycles: 1664
Elements in grown defect list: 0
Vendor (Seagate Cache) information
Blocks sent to initiator = 3337334440
Blocks received from initiator = 596105458
Blocks read from cache and sent to initiator = 185720872
Number of read and write commands whose size <= segment size = 1012258103
Number of read and write commands whose size > segment size = 265
Vendor (Seagate/Hitachi) factory information
number of hours powered up = 36647.20
number of minutes until next internal SMART test = 0
Error counter log:
Errors Corrected by Total Correction Gigabytes Total
ECC rereads/ errors algorithm processed uncorrected
fast | delayed rewrites corrected invocations [10^9 bytes] errors
read: 3060109606 25 0 3060109631 25 625598.846 0
write: 0 0 11 11 11 85306.297 0
verify: 3123592830 3 0 3123592833 3 200039.215 0
Non-medium error count: 49
SMART Self-test log
Num Test Status segment LifeTime LBA_first_err [SK ASC ASQ]
Description number (hours)
# 1 Background short Completed 48 36538 - [- - -]
# 2 Background short Completed 48 36537 - [- - -]
# 3 Background long Completed 48 36536 - [- - -]
# 4 Background short Completed 48 3 - [- - -]
# 5 Reserved(7) Completed 32 3 - [- - -]
# 6 Background short Completed 48 1 - [- - -]
Long (extended) Self-test duration: 8400 seconds [140.0 minutes]
they seem to stay active as long as they're being accessed/not idle. i do want them to spin down, but it seems, according to what i have managed to find, theyre not entering standby but stop.
they can be recovered if they do drop out by running
Code:
sudo sg_start --pc=3 /dev/sg2
which brings the drive back and it works fine again.